Sinha-Technology. Other Applications: Wind Turbine Blades; Heat Exchangers

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1 Sinha-Technology Flexible Composite Surface Deturbulator Breakthrough in Flow Control Enables Virtual Morphing by making separated flow turbulence free (U.S. Patents 7,422,051 & 5,961, Pending Patents thus far) Enhances Aerodynamic Efficiency: Aircraft Wings (18% L/D increase; >100% increase possible) Minivans/Pickups/cars (10-20% mpg increase) Class-8 Trucks (4-13% fleet mpg increase; 30% increase possible) Other Applications: Wind Turbine Blades; Heat Exchangers Quality and Commitment R&D Grants from NSF; NASA; DOD; low overhead expenses Inventor:Dr. Sinha (Ph.D. Fluid Dynamics) [Former Professor at University of Mississippi ] 1

2 Sinhatech Engineering solutions for tomorrow s problems today Save fuel with our patented Deturbulator aero- drag reducing strip High-Tech Composite Mimics flexible dolphin skin Honda Civic Sedan: Honda Odyssey Minivan from 23 to 26 mpg from 37 to 41 mpg Stick a Deturbulator Strip and save no matter what you drive Dodge Dakota Pickup: from 20 to 22 mpg Volvo Class-8 truck: from 5.3 to 6.9 mpg 2

3 The Deturbulator Airflow Turbulence Flutters Flexible Composite Skin of the DETURBULATOR. Ridges Constrain Flutter Modes, Killing Turbulence Flexible Composite Skin Selected Location On Body Substrate with Ridges The Deturbulator breaks up Turbulence Producing Vortices 3

4 Deturbulator Independent Validation (Sailplane Tested by Richard Johnson), December

5 CLOSE UP OF DETURBULATOR Flexible Membrane across Ridged Substrate Air Flow Pressure Equalizing Vents 5

6 Effect of Deturbulator on Tractor - Flatbed Trailer No Deturbulator Separated Shear Layer Breaking Down into Turbulent eddies With Deturbulator Deturbulators Quiescent Separated Zone REDUCE FLOW IMPACT ON LOAD INCREASE STATIC PRESSURE IN CAB WAKE 6

7 DETURBULATORS FOR FLATBED HAULING Slide-in Insert with Flexible skin Streamlined Base 7

8 Value to Customer: Tractor Deturbulators on Flatbed Hauling FUEL MILEAGE INCREASE AND COST SAVINGS Volvo Tractor with Flatbed Trailer hauling varying loads Average Dates Mi le s Gallons mpg Before Treat ment May 2-16, Afte r Deturbulator Trea tment May , mpg increase SAVINGS $1, % mpg increase over 2-weeks: gallons fuel Fuel Cost Payback : 1-6 weeks in most cases About 45% Reduction in Aero- 70 mph 8

9 Data: Deturbulators on Flatbed Hauling Fleets Preliminary Data from Truck No Hauling Pipes over Similar Terrain: 4.77 mpg untreated vs mpg treated Improvement mpg incr. % mpg increase Western Express Deturbulator Treated Truck Data Summary Deturb BEFORE TREATMENT Apply TRUCK# Model Fuel-gals Start ODO End ODO Miles mpg Division Dispatch Month Date 5062 FRHT , ,431 5, BRASE June 7/8/ FRHT 07 1, , ,740 8, WILP June 7/8/ FRHT 07 2, , ,431 14, ROBJE March 6/11/2008 Av 3-truck Deturb AFTER DETURBULATOR TREATMENT Apply TRUCK# Model Fuel-gals Start ODO End ODO Miles mpg Division Dispatch Month Date 5062 FRHT 06 1, , ,716 11, BRASE July 7/8/ FRHT 07 1, , ,405 8, WILP July 7/8/ FRHT 07 2, , ,100 15, ROBJE July 6/11/2008 Av 3-truck CHANGE IN OVERALL FLATBED FLEET MILEAGE DUE TO SEASONAL FACTORS # Units Fuel gals Miles MPG Avg. Mile/Unit Month , ,355, ,864 July , ,402, ,986 June , ,325, ,049 March 0.04 mpg change between March and July due to seasonal factors IMPROVEMENT 0.47 mpg increase 0.43 mpg increase after adjusting for seasonal factors (3-truck Averaged): 8.61 % mpg increase 7.82 % mpg increase after adjusting for seasonal factors 9

10 Removable Deturbulator Prototype Screening Tests (45 miles 65 mph) miles/gallon % increase 1 Treatment Type Initial Tests with van Trailer Hauling 8% increase Untreated Cab Side Deturb Cab side + Trailer Corner Slide-in Deturbulator Panels with Flexible Fiber Reinforced Composite Skin Not damaged during high pressure wash; Quick replacement. Convex cross section enhances interaction with flow 10

11 Johnson s Test Results and Comments: The new Sinha Deturbulator could be the first really significant dragreducing aerodynamic invention since the development of the nowcommon laminar-flow airfoils that were developed some 65 years ago. Repeated L/D measurements Revealed in recent tests 11

12 Some of Test Results :- Name of Company Type of tractor Type of Trailer Length of operation Mpg before treatment Mpg after treatment savings Payback period Rollin S. Express, Oxford, MS 2001 Volvo streamlined sleeper Flat-bed 2 Weeks May data from driver fuel report 5.4 May 2-16 data from driver fuel report 6.9 (29.5% improvement) $1000 valued at $4.60 per gallon 1.75 weeks Western Express, Nashville, TN Freightliner Columbia sleeper 2007 model Flat-bed Installed on June 11; measured for 1 trip to California 4.77 with a comparable trailer and load run previous month 5.38 (12.7% improvement) Over $400 in 3,500 miles ($4.77/gal) Less than 1 week Western Express, Nashville, Tennessee 3 truck average; Freightliner Columbia sleeper one 2006 and two 2007 models Flat-bed Treatment applied on July 8, 2008; data from computer downloaded end of July Varied loads (e.g., pipes to large A/C equipment extending above cab) varied routes 5.45 for same group of three untreated trucks (over one month) 5.92 over one month for group after treatment (8.6% improvement); fleet mileage increased by 0.04mpg during the same time; so seasonally adjusted improvement is 0.43 mpg (7.8% improvement) $380 based on being driven for 11,000 miles per month and diesel at $4.00 per gallon 2.6 weeks (10,000 miles per month) Advanced Drainage Systems, Jackson Mississippi Volvo Class-6 daycab with wind deflectors 53-ft Cagelike trailer for hauling pipes Treatment applied July 9, 2008; monthly data from computer pulled August 5, (4.37% improvement) $181 Based on 7,550 miles per per gallon 8.9 weeks 12