Airship Technology. G. A. Khoury. J. D. Gillett Formerly of Brunei University and The Airship Association CAMBRIDGE UNIVERSITY PRESS

Size: px
Start display at page:

Download "Airship Technology. G. A. Khoury. J. D. Gillett Formerly of Brunei University and The Airship Association CAMBRIDGE UNIVERSITY PRESS"

Transcription

1 - uirf Airship Technology G. A. Khoury Imperial College, London, and The Airship Association J. D. Gillett Formerly of Brunei University and The Airship Association CAMBRIDGE UNIVERSITY PRESS

2 Contents Preface Acknowledgements page xi xii Chapter 1 Introduction (G. A. Khoury and J.D. Gillett) 1 Chapter 2 Basic Principles (E. Mowforth) 5 Introduction 5 Principles of aerostatics 5 The aerostatics of the airship 11 The aerodynamics of the airship 17 Unconventional designs 20 Chapter 3 Aerodynamics (/. Cheeseman) 25 Basic Assumptions 25 Drag 28 Dynamic forces 39 Slender body theory 46 An estimation method for overall aerodynamic forces and moments 49 Unsteady aerodynamics 55 Aerodynamic parameter estimation 59 References 70 Chapter 4 Stability and Control {M.V. Cook) 73 Introduction 73 System of axes and notation 75 The equations of motion 76 The linearised equations of motion 83 Dynamic stability analysis 88 Control and response 96 Automatic flight control 102 Flying and handling qualities 104 Acknowledgements 104 References 104 Symbols 105 Subscripts 106 Stability and control derivatives 106 Chapter 5 Propulsion (/. Cheeseman) 107 Introduction 107 The propulsor 107 The prime mover 129

3 viii Airship Technology Energy sources 133 Propulsion, performance and control 135 References 139 Chapter 6 Materials (P. Bradley) 141 Introduction 141 Desirable properties for airship textile materials 141 Development of textiles for airship use 142 Properties of envelope materials 153 Improved laminates 162 Summary 162 References 163 Chapter 7 Structures (C. Luffman) 165 Introduction 165 Historical 166 General principles and considerations 166 Principal structural groups 177 References 209 Chapter 8 Aerostatics (J. Craig) 211 Introduction 211 The atmosphere 212 Contained gas 215 Buoyancy and static lift 216 Summary of airship operations 218 Other factors affecting lift 221 Closed or open 222 Airship balance 224 Derivation of gas mass properties 228 Terms and abbreviations used 233 Chapter 9 Weight Estimates and Control (J. Craig) 235 Airship mass properties 235 Design considerations for weight 239 Weight estimation 242 Weight monitoring and control 267 Build weight control and actual airship weight determination 267 Weights aspects of airship operations 269 Chapter 10 Systems (N. Mayer) 273 Introduction 273 Pressure control 273 Fuel 282 Ballast 284

4 Contents ix Electrical 285 Crew 288 Access and maintenance 290 Emergency 292 Auxiliary thrust 294 Replenishing 295 References 296 Chapter 11 Ground Handling and Mooring (D. Howe) 297 Introduction 297 Survey of the ground handling problem 299 Ground handling and mooring requirements 300 Historical review of ground handling techniques 302 Forces on an airship whilst moored 309 The effect of size on ground handling 314 Future ground handling systems 315 Conclusion 319 Chapter 12 Piloting (D. Bums) 321 Introduction 321 Effects of controls 322 Static heaviness 323 Effects of wind 326 Weather 327 Vectored thrust 331 Ground handling 333 Take-off 334 Pressure height (altitude) 337 Free ballooning 338 Landing 339 Chapter 13 Performance (R. Hunt) 345 Mission considerations 345 Maximum 'in-flight' fuel usage 345 Engine selection 347 Power off-take 350 Engine drives and propellers 351 Ship weight 352 Gas lift 352 Airship sizing 354 Effect of wind 356 Chapter 14 Improvements (E. Mowforth) 359 Introduction 359 Buoyancy control by lifting gas manipulation 359

5 x Airship Technology Boundary layer control 371 Stern propulsion 377 Lenticular geometry 380 Chapter 15 Unconventional Designs (GA. Khoury) 385 Introduction 385 Shape 385 Lift 392 Power source 409 Structural configuration 417 Lifting gas 426 Control 428 Payload 434 References 436 Chapter 16 Solar Power (GA. Khoury) 441 Introduction 441 Outline of the 'Sunship' 442 Solar radiation 444 Solar-powered flight speed 448 Components of the solar power system 458 References 473 Chapter 17 Roles and economic considerations (R. Hillsdon) 475 Introduction 475 The utility of airship types 475 The spectrum of potential roles 483 Role suitability 492 The potential market 496 Airship economics 500 Conclusion 504 References 504 Chapter 18 Design Synthesis (B.G. Wilson) 507 Introduction 507 Preliminary comments 507 Baseline design layout 514 Baseline evaluation 517 Design trades and sensitivities 521 Technology trends 528 Design synthesis 530 Index 535

Contents. 1 Introduction (Gabriel Alexander Khoury) Basic Principles (Edwin Mowforth) Aerodynamics (Ian Cheeseman)...

Contents. 1 Introduction (Gabriel Alexander Khoury) Basic Principles (Edwin Mowforth) Aerodynamics (Ian Cheeseman)... Table of Preface Acknowledgements page xv xvii 1 Introduction ()...1 2 Basic Principles (Edwin Mowforth)...8 Introduction 8 Principles of Aerostatics 8 The Aerostatics of the Airship 13 The Aerodynamics

More information

Part II. HISTORICAL AND ENGINEERING ANALYSIS OF AIRSHIP PLAN-AND- DESIGN AND SERVICE DECISIONS

Part II. HISTORICAL AND ENGINEERING ANALYSIS OF AIRSHIP PLAN-AND- DESIGN AND SERVICE DECISIONS CONTENTS MONOGRAPHER S FOREWORD DEFENITIONS, SYMBOLS, ABBREVIATIONS, AND INDICES Part I. LAWS AND RULES OF AEROSTATIC FLIGHT PRINCIPLE Chapter 1. AIRCRAFT FLIGHT PRINCIPLE 1.1 Flight Principle Classification

More information

CONTENTS Duct Jet Propulsion / Rocket Propulsion / Applications of Rocket Propulsion / 15 References / 25

CONTENTS Duct Jet Propulsion / Rocket Propulsion / Applications of Rocket Propulsion / 15 References / 25 CONTENTS PREFACE xi 1 Classification 1.1. Duct Jet Propulsion / 2 1.2. Rocket Propulsion / 4 1.3. Applications of Rocket Propulsion / 15 References / 25 2 Definitions and Fundamentals 2.1. Definition /

More information

Jay Gundlach AIAA EDUCATION SERIES. Manassas, Virginia. Joseph A. Schetz, Editor-in-Chief. Blacksburg, Virginia. Aurora Flight Sciences

Jay Gundlach AIAA EDUCATION SERIES. Manassas, Virginia. Joseph A. Schetz, Editor-in-Chief. Blacksburg, Virginia. Aurora Flight Sciences Jay Gundlach Aurora Flight Sciences Manassas, Virginia AIAA EDUCATION SERIES Joseph A. Schetz, Editor-in-Chief Virginia Polytechnic Institute and State University Blacksburg, Virginia Published by the

More information

Preface. Acknowledgments. List of Tables. Nomenclature: organizations. Nomenclature: acronyms. Nomenclature: main symbols. Nomenclature: Greek symbols

Preface. Acknowledgments. List of Tables. Nomenclature: organizations. Nomenclature: acronyms. Nomenclature: main symbols. Nomenclature: Greek symbols Contents Preface Acknowledgments List of Tables Nomenclature: organizations Nomenclature: acronyms Nomenclature: main symbols Nomenclature: Greek symbols Nomenclature: subscripts/superscripts Supplements

More information

External Aerodynamics: Lift of airship created only by buoyancy which doesn t need lift generating surface like an airfoil or a wing

External Aerodynamics: Lift of airship created only by buoyancy which doesn t need lift generating surface like an airfoil or a wing 5.1 AERODYNAMICS: The HAA aerodynamic regime could broadly be categorized into External and Internal Aerodynamics. The External Aerodynamics deals with the Shape of airship and the internal aerodynamics

More information

Environmentally Focused Aircraft: Regional Aircraft Study

Environmentally Focused Aircraft: Regional Aircraft Study Environmentally Focused Aircraft: Regional Aircraft Study Sid Banerjee Advanced Design Product Development Engineering, Aerospace Bombardier International Workshop on Aviation and Climate Change May 18-20,

More information

Airships: A New Horizon for Science April 30 May 3, Worldwide Aeros Corp. Montebello, California. Presented by:

Airships: A New Horizon for Science April 30 May 3, Worldwide Aeros Corp. Montebello, California. Presented by: Airships: A New Horizon for Science April 30 May 3, 2013 Worldwide Aeros Corp. Montebello, California Presented by: Mr. Fred Edworthy V.P. Business Development www.aeroscraft.com 1 25 YEARS INNOVATION,

More information

1 Introduction. Gabriel Alexander Khoury

1 Introduction. Gabriel Alexander Khoury 1 Introduction This book is intended as a technical guide to those interested in studying, designing, building, flying, and operating the airship of today. Although the book aims towards the future, mention

More information

Technical data of the Zeppelin NT 07

Technical data of the Zeppelin NT 07 Zeppelin NT The concept of the semi-rigid airship was re-defined with the development of the Zeppelin NT. It is the only kind of airship worldwide that has a rigid internal structure, in contrast to a

More information

Design, Theory, Calculations

Design, Theory, Calculations Heavy-Duty Wheeled Vehicles: Design, Theory, Calculations By Boris N. Belousov and Sergei D. Popov INTERNATIONAL. Warrendale, Pennsylvania, USA Table of Contents Preface xi Acknowledgments xiii Symbols

More information

COMPRESSOR STATION OPERATIONS

COMPRESSOR STATION OPERATIONS CONTENTS FIGURES AND TABLES... viii PREFACE... xi ACKNOWLEDGEMENTS... xiii CHAPTER 1. INTRODUCTION... 1 Scope and Outline... 1 Types of Stations... 2 Production Stations... 2 Storage Stations... 3 Transmission

More information

Martin J. L. Turner. Expedition Mars. Published in association with. Chichester, UK

Martin J. L. Turner. Expedition Mars. Published in association with. Chichester, UK Martin J. L. Turner Expedition Mars Springer Published in association with Praxis Publishing Chichester, UK Contents Preface Acknowledgements List of illustrations, colour plates and tables xi xv xvii

More information

20 February 2018 The Airlander Hybrid Air Vehicle Andy Barton, CEng, FRAeS Civil Business Development Director

20 February 2018 The Airlander Hybrid Air Vehicle Andy Barton, CEng, FRAeS Civil Business Development Director ! 20 February 2018 The Airlander Hybrid Air Vehicle Andy Barton, CEng, FRAeS Civil Business Development Director Air vehicles are often categorised and regarded as bland for looking so much alike, but

More information

About the Author... Preface... xvii Acknowledgments... 1 The Goal of One Hundred Knots... 1

About the Author... Preface... xvii Acknowledgments... 1 The Goal of One Hundred Knots... 1 About the Author................................ page xv Preface......................................... xvii Acknowledgments................................... 1 The Goal of One Hundred Knots....................

More information

Paper Design Studies of Power Plant System of Non-Rigid Airships Amol C. Gawale 1, Rajkumar S. Pant 2

Paper Design Studies of Power Plant System of Non-Rigid Airships Amol C. Gawale 1, Rajkumar S. Pant 2 Paper 2004-01 - Design Studies of Power Plant System of Non-Rigid ships Amol C. Gawale 1, Rajkumar S. Pant 2 Aerospace Engineering Department Indian Institute of Technology Bombay, Mumbai- 400076 Abstract:

More information

GEARING. Theory of. Stephen. Kinetics, Geometry, and Synthesis. P. Radzevich. /Ov CRC Press yc*** J Taylor& Francis Croup Boca Raton

GEARING. Theory of. Stephen. Kinetics, Geometry, and Synthesis. P. Radzevich. /Ov CRC Press yc*** J Taylor& Francis Croup Boca Raton Theory of GEARING Kinetics, Geometry, and Synthesis Stephen P. Radzevich /Ov CRC Press yc*** J Taylor& Francis Croup Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Group, an

More information

CONCEPTUAL STUDY OF AN INNOVATIVE HIGH ALTITUDE SOLAR POWERED FLIGHT VEHICLE

CONCEPTUAL STUDY OF AN INNOVATIVE HIGH ALTITUDE SOLAR POWERED FLIGHT VEHICLE CONCEPTUAL STUDY OF AN INNOVATIVE HIGH ALTITUDE SOLAR POWERED FLIGHT VEHICLE Jiang Hanjie, Duan Zhuoyi, Pu Hongbin, Shang Liying The First Aircraft Institute, Aviation Industry Corporation of China Xi

More information

Chapter 1: Introduction to Automobile Aerodynamics...1

Chapter 1: Introduction to Automobile Aerodynamics...1 Preface...xv Acknowledgments...xix Chapter 1: Introduction to Automobile Aerodynamics...1 1.1 Scope... 1 1.1.1 The Role of Aerodynamics in Vehicle Design... 1 1.1.2 The Character of Vehicle Aerodynamics...

More information

Aeronautical Engineering Design II Sizing Matrix and Carpet Plots. Prof. Dr. Serkan Özgen Dept. Aerospace Engineering Spring 2014

Aeronautical Engineering Design II Sizing Matrix and Carpet Plots. Prof. Dr. Serkan Özgen Dept. Aerospace Engineering Spring 2014 Aeronautical Engineering Design II Sizing Matrix and Carpet Plots Prof. Dr. Serkan Özgen Dept. Aerospace Engineering Spring 2014 Empty weight estimation and refined sizing Empty weight of the airplane

More information

Mobilus. Creating A New Transport Airship Capability in the US Aerospace Industry

Mobilus. Creating A New Transport Airship Capability in the US Aerospace Industry UNCLASSIFIED Mobilus Creating A New Transport Airship Capability in the US Aerospace Industry Presented to AIAA September 2004* LTC Michael Woodgerd 703.806.5438 michael.woodgerd@caa.army.mil * Updated

More information

International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July ISSN BY B.MADHAN KUMAR

International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July ISSN BY B.MADHAN KUMAR International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July-2013 485 FLYING HOVER BIKE, A SMALL AERIAL VEHICLE FOR COMMERCIAL OR. SURVEYING PURPOSES BY B.MADHAN KUMAR Department

More information

DESIGN OF AIRSHIP FOR AERIAL SURVEILLANCE AND COMMUNICATION USING KNOWLEDGE BASED ENGINEERING M. GANESH & SAI KUMAR A

DESIGN OF AIRSHIP FOR AERIAL SURVEILLANCE AND COMMUNICATION USING KNOWLEDGE BASED ENGINEERING M. GANESH & SAI KUMAR A International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN (P): 2249-6890; ISSN (E): 2249-8001 Vol. 8, Issue 1, Feb 2018, 17-26 TJPRC Pvt. Ltd DESIGN OF AIRSHIP

More information

Vibration, and Sound Quality

Vibration, and Sound Quality Vehicle Noise, Vibration, and Sound Quality By Gang Sheng (Gang Sheng Chen) SASInternational Warrendale, Pennsylvania USA Table of Contents Preface ix Chapter 1 Introduction to Vehicle Vibrations and Sound

More information

FLIGHT DYNAMICS AND CONTROL OF A ROTORCRAFT TOWING A SUBMERGED LOAD

FLIGHT DYNAMICS AND CONTROL OF A ROTORCRAFT TOWING A SUBMERGED LOAD FLIGHT DYNAMICS AND CONTROL OF A ROTORCRAFT TOWING A SUBMERGED LOAD Ananth Sridharan Ph.D. Candidate Roberto Celi Professor Alfred Gessow Rotorcraft Center Department of Aerospace Engineering University

More information

1. Aero-Science B.Sc. Aero Science-I Total Mark: 100 Appendix A (Outlines of Tests) Aero-Engines : 100 Marks

1. Aero-Science B.Sc. Aero Science-I Total Mark: 100 Appendix A (Outlines of Tests) Aero-Engines : 100 Marks 1. Aero-Science B.Sc. Aero Science-I Total Mark: 100 Appendix A (Outlines of Tests) Aero-Engines : 100 Marks Note:- The questions will be set in each paper. Candidates are to attempt any five except in

More information

1.1 REMOTELY PILOTED AIRCRAFTS

1.1 REMOTELY PILOTED AIRCRAFTS CHAPTER 1 1.1 REMOTELY PILOTED AIRCRAFTS Remotely Piloted aircrafts or RC Aircrafts are small model radiocontrolled airplanes that fly using electric motor, gas powered IC engines or small model jet engines.

More information

DUDLEY'S" HANDBOOK OF PRACTICAL GEAR DESIGN AND MANUFACTURE. Stephen P. Radzevich

DUDLEY'S HANDBOOK OF PRACTICAL GEAR DESIGN AND MANUFACTURE. Stephen P. Radzevich Second Edition DUDLEY'S" HANDBOOK OF PRACTICAL GEAR DESIGN AND MANUFACTURE Stephen P. Radzevich LßP) CRC Press VV J Taylors Francis Group Boca Raton London New York CRC Press is an imprint of the Taylor

More information

Automotive Transmissions

Automotive Transmissions Gisbert Lechner Harald Naunheimer Automotive Transmissions Fundamentals, Selection, Design and Application In Collaboration with Joachim Ryborz With 370 Figures J i Springer Contents Terms and Symbols

More information

COMPUTATIONAL ANALYSIS OF TWO DIMENSIONAL FLOWS ON A CONVERTIBLE CAR ROOF ABDULLAH B. MUHAMAD NAWI

COMPUTATIONAL ANALYSIS OF TWO DIMENSIONAL FLOWS ON A CONVERTIBLE CAR ROOF ABDULLAH B. MUHAMAD NAWI COMPUTATIONAL ANALYSIS OF TWO DIMENSIONAL FLOWS ON A CONVERTIBLE CAR ROOF ABDULLAH B. MUHAMAD NAWI Report submitted in partial of the requirements for the award of the degree of Bachelor of Mechanical

More information

AERONAUTICAL ENGINEERING

AERONAUTICAL ENGINEERING AERONAUTICAL ENGINEERING SHIBIN MOHAMED Asst. Professor Dept. of Mechanical Engineering Al Ameen Engineering College Al- Ameen Engg. College 1 Aerodynamics-Basics These fundamental basics first must be

More information

Safety & Economics Trade Study

Safety & Economics Trade Study Safety & Economics Trade Study Principal Investigator: Prof. Ken Sivier Graduate Research Assistant: Jennifer Bradley 1 2-1 SMART ICING SYSTEMS Research Organization Core Technologies Aerodynamics and

More information

CFD on Cavitation around Marine Propellers with Energy-Saving Devices

CFD on Cavitation around Marine Propellers with Energy-Saving Devices 63 CFD on Cavitation around Marine Propellers with Energy-Saving Devices CHIHARU KAWAKITA *1 REIKO TAKASHIMA *2 KEI SATO *2 Mitsubishi Heavy Industries, Ltd. (MHI) has developed energy-saving devices that

More information

Subject Syllabus Summary Mechanical Engineering Undergraduate studies (BA) AERODYNAMIC OF AIRCRAFT Subject type:

Subject Syllabus Summary Mechanical Engineering Undergraduate studies (BA) AERODYNAMIC OF AIRCRAFT Subject type: Subject Syllabus Summary Mechanical Engineering Undergraduate studies (BA) Subject: AERODYNAMIC OF AIRCRAFT Subject type: Essential Subject code: Year: Semester: Form of studies: Full-time course Type

More information

Deployment and Flight Test of Inflatable Membrane Aeroshell using Large Scientific Balloon

Deployment and Flight Test of Inflatable Membrane Aeroshell using Large Scientific Balloon 1 Deployment and Flight Test of Inflatable Membrane Aeroshell using Large Scientific Balloon Kazuhiko Yamada, Takashi Abe (JAXA/ISAS) Kojiro Suzuki, Naohiko Honma, Yasunori Nagata, Masashi Koyama (The

More information

Electric Flight Potential and Limitations

Electric Flight Potential and Limitations Electric Flight Potential and Limitations Energy Efficient Aircraft Configurations, Technologies and Concepts of Operation, Sao José dos Campos, 19 21 November 2013 Dr. Martin Hepperle DLR Institute of

More information

Introduction and a Brief History of Electric Aircraft 1

Introduction and a Brief History of Electric Aircraft 1 contents Preface xi CHAPTER 1 Introduction and a Brief History of Electric Aircraft 1 1.1 Background 1 1.2 Electrification Trend 2 1.3 Early Electric Flights 3 1.4 The Solar Years 4 1.5 All-Electric and

More information

Appenidix E: Freewing MAE UAV analysis

Appenidix E: Freewing MAE UAV analysis Appenidix E: Freewing MAE UAV analysis The vehicle summary is presented in the form of plots and descriptive text. Two alternative mission altitudes were analyzed and both meet the desired mission duration.

More information

Galileo Systems Interim Report

Galileo Systems Interim Report Galileo Systems Interim Report Low Cost High Altitude Sensor Platform January 12, 2004 K. Mark Caviezel, Engineer, PI Dr. Gary E. Snyder, President (720)333-2248 Richard Powers, Engineer Wil McCarthy,

More information

Chapter 3: Aircraft Construction

Chapter 3: Aircraft Construction Chapter 3: Aircraft Construction p. 1-3 1. Aircraft Design, Certification, and Airworthiness 1.1. Replace the letters A, B, C, and D by the appropriate name of aircraft component A: B: C: D: E: 1.2. What

More information

Methodology for Distributed Electric Propulsion Aircraft Control Development with Simulation and Flight Demonstration

Methodology for Distributed Electric Propulsion Aircraft Control Development with Simulation and Flight Demonstration 1 Methodology for Distributed Electric Propulsion Aircraft Control Development with Simulation and Flight Demonstration Presented by: Jeff Freeman Empirical Systems Aerospace, Inc. jeff.freeman@esaero.com,

More information

31 st National Conference on FMFP, December 16-18, 2004, Jadavpur University, Kolkata

31 st National Conference on FMFP, December 16-18, 2004, Jadavpur University, Kolkata 31 st National Conference on FMFP, December 16-18, 24, Jadavpur University, Kolkata Experimental Characterization of Propulsion System for Mini Aerial Vehicle Kailash Kotwani *, S.K. Sane, Hemendra Arya,

More information

Powertrain Design for Hand- Launchable Long Endurance Unmanned Aerial Vehicles

Powertrain Design for Hand- Launchable Long Endurance Unmanned Aerial Vehicles Powertrain Design for Hand- Launchable Long Endurance Unmanned Aerial Vehicles Stuart Boland Derek Keen 1 Justin Nelson Brian Taylor Nick Wagner Dr. Thomas Bradley 47 th AIAA/ASME/SAE/ASEE JPC Outline

More information

Key Drivers for evtol Design Christopher Silva From VTOL to evtol Workshop May 24, 2018

Key Drivers for evtol Design Christopher Silva From VTOL to evtol Workshop May 24, 2018 Key Drivers for evtol Design Christopher Silva From VTOL to evtol Workshop May 24, 2018 Can we use what we already know? Techniques and processes Aircraft / System design theory: Design Thinking, MDAO,

More information

Development of a Variable Stability, Modular UAV Airframe for Local Research Purposes

Development of a Variable Stability, Modular UAV Airframe for Local Research Purposes Development of a Variable Stability, Modular UAV Airframe for Local Research Purposes John Monk Principal Engineer CSIR, South Africa 28 October 2008 Outline A Brief History of UAV Developments at the

More information

Approche novatrice pour la conception et l exploitation d avions écologiques, sous incertitudes.

Approche novatrice pour la conception et l exploitation d avions écologiques, sous incertitudes. Sylvain Prigent Approche novatrice pour la conception et l exploitation d avions écologiques, sous incertitudes. Challenges Air traffic will double in the next 20 years! *Revenue passenger kilometers (number

More information

Innovating the future of disaster relief

Innovating the future of disaster relief Innovating the future of disaster relief American Helicopter Society International 33rd Annual Student Design Competition Graduate Student Team Submission VEHICLE OVERVIEW FOUR VIEW DRAWING INTERNAL COMPONENTS

More information

Prof. João Melo de Sousa Instituto Superior Técnico Aerospace & Applied Mechanics. Part B Acoustic Emissions 4 Airplane Noise Sources

Prof. João Melo de Sousa Instituto Superior Técnico Aerospace & Applied Mechanics. Part B Acoustic Emissions 4 Airplane Noise Sources Prof. João Melo de Sousa Instituto Superior Técnico Aerospace & Applied Mechanics Part B Acoustic Emissions 4 Airplane Noise Sources The primary source of noise from an airplane is its propulsion system.

More information

7. PRELIMINARY DESIGN OF A SINGLE AISLE MEDIUM RANGE AIRCRAFT

7. PRELIMINARY DESIGN OF A SINGLE AISLE MEDIUM RANGE AIRCRAFT 7. PRELIMINARY DESIGN OF A SINGLE AISLE MEDIUM RANGE AIRCRAFT Students: R.M. Bosma, T. Desmet, I.D. Dountchev, S. Halim, M. Janssen, A.G. Nammensma, M.F.A.L.M. Rommens, P.J.W. Saat, G. van der Wolf Project

More information

AN ADVANCED COUNTER-ROTATING DISK WING AIRCRAFT CONCEPT Program Update. Presented to NIAC By Carl Grant November 9th, 1999

AN ADVANCED COUNTER-ROTATING DISK WING AIRCRAFT CONCEPT Program Update. Presented to NIAC By Carl Grant November 9th, 1999 AN ADVANCED COUNTER-ROTATING DISK WING AIRCRAFT CONCEPT Program Update Presented to NIAC By Carl Grant November 9th, 1999 DIVERSITECH, INC. Phone: (513) 772-4447 Fax: (513) 772-4476 email: carl.grant@diversitechinc.com

More information

Systems Group (Summer 2012) 4 th Year (B.Eng) Aerospace Engineering Candidate Carleton University, Ottawa,Canada Mail:

Systems Group (Summer 2012) 4 th Year (B.Eng) Aerospace Engineering Candidate Carleton University, Ottawa,Canada Mail: Memo Airport2030_M_Family_Concepts_of_Box_Wing_12-08-10.pdf Date: 12-08-10 From: Sameer Ahmed Intern at Aero Aircraft Design and Systems Group (Summer 2012) 4 th Year (B.Eng) Aerospace Engineering Candidate

More information

Preliminary design of Aircraft Landing Gear Strut

Preliminary design of Aircraft Landing Gear Strut Preliminary design of Aircraft Landing Gear Strut Mainuddin A 1, 2 Abubakar Siddiq S 2, Mohammed Farhaan Shaikh 3, Abdul Falah B 4, Jagadeesh B 5 1,2,3,4 Student, Department of Aeronautical Engineering,

More information

JSBSim Library for Flight Dynamics Modelling of a mini-uav

JSBSim Library for Flight Dynamics Modelling of a mini-uav JSBSim Library for Flight Dynamics Modelling of a mini-uav Tomáš Vogeltanz and Roman Jašek Tomas Bata University in Zlín, Faculty of Applied Informatics Department of Informatics and Artificial Intelligence

More information

DESIGN AND DEVELOPMENT OF A MICRO AIR VEHICLE (µav) CONCEPT: PROJECT BIDULE

DESIGN AND DEVELOPMENT OF A MICRO AIR VEHICLE (µav) CONCEPT: PROJECT BIDULE DESIGN AND DEVELOPMENT OF A MICRO AIR VEHIE (µav) CONCEPT: PROJECT BIDULE Mr T. Spoerry, Dr K.C. Wong School of Aerospace, Mechanical and Mechatronic Engineering University of Sydney NSW 6 Abstract This

More information

10th Australian International Aerospace Congress

10th Australian International Aerospace Congress AUSTRALIAN INTERNATIONAL AEROSPACE CONGRESS Paper presented at the 10th Australian International Aerospace Congress incorporating the 14th National Space Engineering Symposium 2003 29 July 1 August 2003

More information

Fundamentals of Engineering High-Performance Actuator Systems. Kenneth W. Hummel

Fundamentals of Engineering High-Performance Actuator Systems. Kenneth W. Hummel Fundamentals of Engineering High-Performance Actuator Systems Kenneth W. Hummel Author Name Chapter 1: Introduction...1 1.1 Fundamentals... 2 1.2 Performance... 2 1.3 Loads... 3 1.4 Constraints... 3 1.5

More information

The winner team will have the opportunity to perform a wind tunnel test campaign in the transonic/supersonic Wind tunnel at the VKI.

The winner team will have the opportunity to perform a wind tunnel test campaign in the transonic/supersonic Wind tunnel at the VKI. Aircraft Design Competition Request for proposal (RFP) - High speed UAV Objectives: This RFP asks for an original UAV design capable of reaching, in less than 15 minutes, a given target located at 150

More information

CHAPTER 6 ENVIRONMENTAL CONDITIONS

CHAPTER 6 ENVIRONMENTAL CONDITIONS ENVIRONMENTAL CONDITIONS 6.1 Summary This chapter introduces the natural environment of launch site, thermal environment during SC operation, thermal and mechanical environments (vibration, shock & noise)

More information

In this lecture... Prof. Bhaskar Roy, Prof. A M Pradeep, Department of Aerospace, IIT Bombay

In this lecture... Prof. Bhaskar Roy, Prof. A M Pradeep, Department of Aerospace, IIT Bombay 1 In this lecture... Intakes for powerplant Transport aircraft Military aircraft 2 Intakes Air intakes form the first component of all air breathing propulsion systems. The word Intake is normally used

More information

Design Considerations for Stability: Civil Aircraft

Design Considerations for Stability: Civil Aircraft Design Considerations for Stability: Civil Aircraft From the discussion on aircraft behavior in a small disturbance, it is clear that both aircraft geometry and mass distribution are important in the design

More information

Optimization of Power and Station Keeping Installations by a Total System Design Approach

Optimization of Power and Station Keeping Installations by a Total System Design Approach Optimization of Power and Station Keeping Installations by a Total System Design Approach Dynamic Positioning Conference DPC October 1999, Houston Alf Kåre Ådnanes Introduction Integrated Systems Total

More information

Integrated. Safety Handbook. Automotive. Ulrich Seiffert and Mark Gonter. Warrendale, Pennsylvania, USA INTERNATIONAL.

Integrated. Safety Handbook. Automotive. Ulrich Seiffert and Mark Gonter. Warrendale, Pennsylvania, USA INTERNATIONAL. Integrated Automotive Safety Handbook Ulrich Seiffert and Mark Gonter INTERNATIONAL. Warrendale, Pennsylvania, USA Table of Contents Preface ix Chapter 1 The Need to Increase Road Safety 1 1.1 Introduction

More information

A SOLAR POWERED UAV. 1 Introduction. 2 Requirements specification

A SOLAR POWERED UAV. 1 Introduction. 2 Requirements specification A SOLAR POWERED UAV Students: R. al Amrani, R.T.J.P.A. Cloosen, R.A.J.M. van den Eijnde, D. Jong, A.W.S. Kaas, B.T.A. Klaver, M. Klein Heerenbrink, L. van Midden, P.P. Vet, C.J. Voesenek Project tutor:

More information

ELECTRICITY GENERATION USING WIND POWER

ELECTRICITY GENERATION USING WIND POWER ELECTRICITY GENERATION USING WIND POWER ELECTRICITY GENERATION USING WIND POWER William Shepherd University of Bradford, UK Li Zhang University of Leeds, UK World Scientific NEW JERSEY LONDON SINGAPORE

More information

POWER ESTIMATION FOR FOUR SEATER HELICOPTER

POWER ESTIMATION FOR FOUR SEATER HELICOPTER Jurnal Mekanikal December 2008, No. 27, 78-90 POWER ESTIMATION FOR FOUR SEATER HELICOPTER Ahmad Azlan Shah B. Ibrahim Mohammad Nazri Mohd Jaafar * Faculty of Mechanical Engineering University Technology

More information

Manual for Assessing Safety Hardware

Manual for Assessing Safety Hardware American Association of State Highway and Transportation Officials Manual for Assessing Safety Hardware 2009 vii PREFACE Effective traffic barrier systems, end treatments, crash cushions, breakaway devices,

More information

FLIGHT READINESS REVIEW TEAM OPTICS

FLIGHT READINESS REVIEW TEAM OPTICS FLIGHT READINESS REVIEW TEAM OPTICS LAUNCH VEHICLE AND PAYLOAD DESIGN AND DIMENSIONS Vehicle Diameter 4 Upper Airframe Length 40 Lower Airframe Length 46 Coupler Band Length 1.5 Coupler Length 12 Nose

More information

CONCEPTUAL DESIGN OF UTM 4-SEATER HELICOPTER. Mohd Shariff Ammoo 1 Mohd Idham Mohd Nayan 1 Mohd Nasir Hussain 2

CONCEPTUAL DESIGN OF UTM 4-SEATER HELICOPTER. Mohd Shariff Ammoo 1 Mohd Idham Mohd Nayan 1 Mohd Nasir Hussain 2 CONCEPTUAL DESIGN OF UTM 4-SEATER HELICOPTER Mohd Shariff Ammoo 1 Mohd Idham Mohd Nayan 1 Mohd Nasir Hussain 2 1 Department of Aeronautics Faculty of Mechanical Engineering Universiti Teknologi Malaysia

More information

Aircraft Propulsion Technology

Aircraft Propulsion Technology Unit 90: Aircraft Propulsion Technology Unit code: L/601/7249 QCF level: 4 Credit value: 15 Aim This unit aims to develop learners understanding of the principles and laws of aircraft propulsion and their

More information

Onboard DC Grid. Jan Fredrik DP Conference 2011; Houston. for enhanced DP operation in ships

Onboard DC Grid. Jan Fredrik DP Conference 2011; Houston. for enhanced DP operation in ships Onboard Grid Jan Fredrik Hansen @ DP Conference 2011; Houston for enhanced DP operation in ships Traditional System Onboard Grid Up to 20% fuel saving potential Quicker and more dynamic system performance

More information

Analysis. Techniques for. Racecar Data. Acquisition, Second Edition. By Jorge Segers INTERNATIONAL, Warrendale, Pennsylvania, USA

Analysis. Techniques for. Racecar Data. Acquisition, Second Edition. By Jorge Segers INTERNATIONAL, Warrendale, Pennsylvania, USA Analysis Techniques for Racecar Data Acquisition, Second Edition By Jorge Segers INTERNATIONAL, Warrendale, Pennsylvania, USA Preface to the Second Edition xiii Preface to the First Edition xv Acknowledgments

More information

Jordan High School Rocketry Team. A Roll Stabilized Video Platform and Inflatable Location Device

Jordan High School Rocketry Team. A Roll Stabilized Video Platform and Inflatable Location Device Jordan High School Rocketry Team A Roll Stabilized Video Platform and Inflatable Location Device Mission Success Criteria No damage done to any person or property. The recovery system deploys as expected.

More information

Content. Chapter 1 Hydraulic energy converters... 10

Content. Chapter 1 Hydraulic energy converters... 10 Content Chapter 1 Hydraulic energy converters... 10 1.1 List of symbols... 13 1.2 Hydraulic pump types, constant output... 14 1.2.1 External gear pumps... 16 1.2.2 Internal gear pumps... 17 1.2.3 Vane

More information

John Klaus Robert Cooper Thilina Fernando Zoe Morozko

John Klaus Robert Cooper Thilina Fernando Zoe Morozko Faculty Advisors: Dr. Dan Kirk Greg Peebles Justin Treptow Alex Morrese Alexis Mendez Casselle Russell John Klaus Robert Cooper Thilina Fernando Zoe Morozko Paul Martin Ben Burnett Damian Harasiuk 1 Launch

More information

Designing evtol for the Mission NDARC NASA Design and Analysis of Rotorcraft. Wayne Johnson From VTOL to evtol Workshop May 24, 2018

Designing evtol for the Mission NDARC NASA Design and Analysis of Rotorcraft. Wayne Johnson From VTOL to evtol Workshop May 24, 2018 Designing evtol for the Mission NDARC NASA Design and Analysis of Rotorcraft Wayne Johnson From VTOL to evtol Workshop May 24, 2018 1 Conceptual Design of evtol Aircraft Conceptual design Define aircraft

More information

European Aviation Safety Agency. Zeppelin LZ N07

European Aviation Safety Agency. Zeppelin LZ N07 European Aviation Safety Agency EASA TYPE-CERTIFICATE DATA SHEET Zeppelin LZ N07 Normal and Commuter Airship Type Certificate Holder: Friedrichshafen, Manufacturer: Friedrichshafen, Variants: LZ N07-100

More information

THE ANALYSIS OF WING PERFORMANCE FOR RECONNAISSANCE UAV ZULKIFLI BIN YUSOF UNIVERSITI MALAYSIA PAHANG

THE ANALYSIS OF WING PERFORMANCE FOR RECONNAISSANCE UAV ZULKIFLI BIN YUSOF UNIVERSITI MALAYSIA PAHANG THE ANALYSIS OF WING PERFORMANCE FOR RECONNAISSANCE UAV ZULKIFLI BIN YUSOF UNIVERSITI MALAYSIA PAHANG The Analysis of Wing Performance for Reconnaissance UAV ZULKIFLI BIN YUSOF Report submitted in partial

More information

SPACE PROPULSION SIZING PROGRAM (SPSP)

SPACE PROPULSION SIZING PROGRAM (SPSP) SPACE PROPULSION SIZING PROGRAM (SPSP) Version 9 Let us create vessels and sails adjusted to the heavenly ether, and there will be plenty of people unafraid of the empty wastes. - Johannes Kepler in a

More information

THE INVESTIGATION OF CYCLOGYRO DESIGN AND THE PERFORMANCE

THE INVESTIGATION OF CYCLOGYRO DESIGN AND THE PERFORMANCE 25 TH INTERNATIONAL CONGRESS OF THE AERONAUTICAL SCIENCES THE INVESTIGATION OF CYCLOGYRO DESIGN AND THE PERFORMANCE Hu Yu, Lim Kah Bin, Tay Wee Beng Department of Mechanical Engineering, National University

More information

Architecture Options for Propellant Resupply of Lunar Exploration Elements

Architecture Options for Propellant Resupply of Lunar Exploration Elements Architecture Options for Propellant Resupply of Lunar Exploration Elements James J. Young *, Robert W. Thompson *, and Alan W. Wilhite Space Systems Design Lab School of Aerospace Engineering Georgia Institute

More information

2015 GROUP DESIGN PROJECT PRESENTATIONS by LOUGHBOROUGH UNIVERSITY AERONAUTICAL ENGINEERING MEng DEGREE FINAL YEAR STUDENTS

2015 GROUP DESIGN PROJECT PRESENTATIONS by LOUGHBOROUGH UNIVERSITY AERONAUTICAL ENGINEERING MEng DEGREE FINAL YEAR STUDENTS 2015 GROUP DESIGN PROJECT PRESENTATIONS by LOUGHBOROUGH UNIVERSITY AERONAUTICAL ENGINEERING MEng DEGREE FINAL YEAR STUDENTS Extending a process inaugurated in 2014, and again attracting many Branch members

More information

Development of a Subscale Flight Testing Platform for a Generic Future Fighter

Development of a Subscale Flight Testing Platform for a Generic Future Fighter Development of a Subscale Flight Testing Platform for a Generic Future Fighter Christopher Jouannet Linköping University - Sweden Subscale Demonstrators at Linköping University RAVEN Rafale Flight Test

More information

3 rd EASN Association International Workshop on AeroStructures

3 rd EASN Association International Workshop on AeroStructures 3 rd EASN Association International Workshop on AeroStructures ESTOLAS PROJECT Analysis of the design features and flying -technical characteristics of the ESTOLAS hybrid aircraft prototype Speaker Vladimir

More information

Contents 1 General on Ship Design 2 Selection of Main Dimensions and Calculation of Basic Ship Design Values

Contents 1 General on Ship Design 2 Selection of Main Dimensions and Calculation of Basic Ship Design Values Contents 1 General on Ship Design... 1 1.1 Conventional and Advanced Marine Vehicles... 1 1.2 Maritime Transport Innovative Design Concepts, Energy Efficiency and Environmental Impact... 4 1.3 Introduction

More information

Experimental Verification of the Implementation of Bend-Twist Coupling in a Wind Turbine Blade

Experimental Verification of the Implementation of Bend-Twist Coupling in a Wind Turbine Blade Experimental Verification of the Implementation of Bend-Twist Coupling in a Wind Turbine Blade Authors: Marcin Luczak (LMS), Kim Branner (Risø DTU), Simone Manzato (LMS), Philipp Haselbach (Risø DTU),

More information

Energy Saving Capabilities of Superconducting Electrical Machines For Transport

Energy Saving Capabilities of Superconducting Electrical Machines For Transport Energy Saving Capabilities of Superconducting Electrical Machines For Transport Rick Smith Academic Supervisor : Dr. JiaBin Wang Industry Supervisor : Dr. Eamonn Maher Introduction Energy saving applications

More information

Vehicle Reusability. e concept e promise e price When does it make sense? MARYLAND U N I V E R S I T Y O F. Vehicle Reusability

Vehicle Reusability. e concept e promise e price When does it make sense? MARYLAND U N I V E R S I T Y O F. Vehicle Reusability e concept e promise e price When does it make sense? 2010 David L. Akin - All rights reserved http://spacecraft.ssl.umd.edu 1 Sir Arthur C. Clarke: We re moving from the beer can philosophy of space travel

More information

Lunette: A Global Network of Small Lunar Landers

Lunette: A Global Network of Small Lunar Landers Lunette: A Global Network of Small Lunar Landers Leon Alkalai and John O. Elliott Jet Propulsion Laboratory California Institute of Technology LEAG/ILEWG 2008 October 30, 2008 Baseline Mission Initial

More information

Innovative Airship Solutions from Guardian Flight Systems

Innovative Airship Solutions from Guardian Flight Systems Innovative Airship Solutions from Guardian Flight Systems ITAR Disclaimer: This presentation does not contain Technical Data per 22 CFR 120.10 distribution unrestricted w/o 3282. Presentation Preview About

More information

Regression Analysis of Count Data

Regression Analysis of Count Data Regression Analysis of Count Data A. Colin Cameron Pravin K. Trivedi Hfl CAMBRIDGE UNIVERSITY PRESS List offigures List oftables Preface Introduction 1.1 Poisson Distribution 1.2 Poisson Regression 1.3

More information

Abstract Process Economics Program Report 43D MEGA METHANOL PLANTS (December 2003)

Abstract Process Economics Program Report 43D MEGA METHANOL PLANTS (December 2003) Abstract Process Economics Program Report 43D MEGA METHANOL PLANTS (December 2003) World scale, grass roots methanol plants currently have production capacities as high as 3,000 metric tons per day. A

More information

Axial Flux Permanent Magnet Brushless Machines

Axial Flux Permanent Magnet Brushless Machines Jacek F. Gieras Rong-Jie Wang Maarten J. Kamper Axial Flux Permanent Magnet Brushless Machines Second Edition Springer Contents 1 Introduction 1 1.1 Scope 1 1.2 Features 1 1.3 Development of AFPM Machines

More information

Copyrighted material Taylor & Francis Not for resale

Copyrighted material Taylor & Francis Not for resale Contents Preface Acknowledgements xi xiii Chapter 1 The earth s atmosphere 1 Atmospheric composition 1 Gases 2 Atmospheric pressure 2 Pressure measurement 2 Temperature 4 Density 4 International Standard

More information

SHIP HYDRODYNAMICS LECTURE NOTES OF PROPULSION PART

SHIP HYDRODYNAMICS LECTURE NOTES OF PROPULSION PART SHIP HYDRODYNAMICS LECTURE NOTES OF PROPULSION PART Course Outline Contents Time Date Week 1. Propulsion Systems a) History and Development of Screw Propeller b) Modern Propulsion Systems i- Fixed pitch

More information

FLIGHT TEST RESULTS AT TRANSONIC REGION ON SUPERSONIC EXPERIMENTAL AIRPLANE (NEXST-1)

FLIGHT TEST RESULTS AT TRANSONIC REGION ON SUPERSONIC EXPERIMENTAL AIRPLANE (NEXST-1) 26 TH INTERNATIONAL CONGRESS OF THE AERONAUTICAL SCIENCES FLIGHT TEST RESULTS AT TRANSONIC REGION ON SUPERSONIC EXPERIMENTAL AIRPLANE (NEXST-1) Dong-Youn Kwak*, Hiroaki ISHIKAWA**, Kenji YOSHIDA* *Japan

More information

DYNAMIC EFFICIENCY - Propulsors with Contra-Rotating Propellers for Dynamic Positioning

DYNAMIC EFFICIENCY - Propulsors with Contra-Rotating Propellers for Dynamic Positioning Author s Name Name of the Paper Session DYNAMIC POSITIONING CONFERENCE October 14-15, 2014 THRUSTER SESSION DYNAMIC EFFICIENCY - Propulsors with Contra-Rotating Propellers for Dynamic Positioning By Kari

More information

ME 466 PERFORMANCE OF ROAD VEHICLES 2016 Spring Homework 3 Assigned on Due date:

ME 466 PERFORMANCE OF ROAD VEHICLES 2016 Spring Homework 3 Assigned on Due date: PROBLEM 1 For the vehicle with the attached specifications and road test results a) Draw the tractive effort [N] versus velocity [kph] for each gear on the same plot. b) Draw the variation of total resistance

More information

Development of an Extended Range, Large Caliber, Modular Payload Projectile

Development of an Extended Range, Large Caliber, Modular Payload Projectile 1 Development of an Extended Range, Large Caliber, Modular Payload Projectile April 12th, 2011 Miami, Florida, USA 46 th Annual Gun & Missile Systems Conference & Exhibition Speaker: Pierre-Antoine Rainville

More information

STRUCTURAL DESIGN AND ANALYSIS OF ELLIPTIC CYCLOCOPTER ROTOR BLADES

STRUCTURAL DESIGN AND ANALYSIS OF ELLIPTIC CYCLOCOPTER ROTOR BLADES 16 TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS STRUCTURAL DESIGN AND ANALYSIS OF ELLIPTIC CYCLOCOPTER ROTOR BLADES In Seong Hwang 1, Seung Yong Min 1, Choong Hee Lee 1, Yun Han Lee 1 and Seung Jo

More information

using composites Blast protection of civil infrastructures and vehicles WOQDHEAD PUBLISHING LIMITED Edited by Nasim Uddin

using composites Blast protection of civil infrastructures and vehicles WOQDHEAD PUBLISHING LIMITED Edited by Nasim Uddin Blast protection of civil infrastructures and vehicles using composites Edited by Nasim Uddin CRC Press Boca Raton Boston New York Washington, DC WOQDHEAD PUBLISHING LIMITED Oxford Cambridge New Delhi

More information