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Sinha Deturbulator Progress Reports
Progress Articles
9/17/2003
First successful test of Sinha deturbulator on a glider
10/18/2003
Further drag reductions on Standard Cirrus wing
Baseline polar for performance testing
2/8/2004
Progress Report: SSA Convention in Atlanta
2/28/2004
First outer-span test
5/27/2004
Wind tunnel goes into operation
8/31/2004
Stereolithography used for wind tunnel wing sections
12/3/2004
First success on upper surface of Standard Cirrus wing
12/12/2004
More success on upper surface of Standard Cirrus wing
2/18/2005
First Sink-Rate Measurement
(revised 3/13/2005)
2/26/2005
Second Sink-Rate Measurement: Some Encouraging Data
3/19/2005
First Parallel Flight - vs. ASW-28
3/19/2005
Measurements with Full Top Surface Deturbulation
9/12/2005
A Performance Endurance Issue
10/29/2005
It’s Deturbulation Time Again
1/9/2006
Paper Presented at AAIA Annual Conference
2/3/2006
Talk Presented at SSA Annual Convention
5/6/2006
Paper Presented at AAIA Flow Control Conference
7/1/2006
Notes on Endurance and the Temperature/Humidity Issue
10/21/2006
Measurements Show 20% Improvement!
(revised 1/3/07)
12/13/2006
Deturbulator Performance Confirmed!
1/2/2007
Calibrated Airspeeds
12/13/2006
Summary of Johnson Flight Test
(revised 2/10/2007)
12/13/2006
Details of Johnson Flight Test
(revised 12/26/2007)
12/01/2007
Johnson Effect Confirmed
(revised 12/26/2007)
06/7/2008
Third Parallel Flight - vs. Diana 1
(revised 8/3/2008)
Publications and Presentations
1/2006
Sailplane Performance Improvement Using a Flexible Composite Surface Deturbulator - Sinha
(PDF, 1174 KB)
6/2006
Drag Reduction of Natural Laminar Flow Airfoils with a Flexible Surface Deturbulator - Sinha
(PDF, 757 KB)
2/2007
Wing Surface Deturbulators - Johnson
(PowerPoint, 2140 KB)
2/2007
Revolutionary Aerodynamics - Sinha
(PDF, 856 KB)
6/2007
Optimizing Wing Lift to Drag Ratio Enhancement with Flexible-Wall Turbulence Control - Sinha
(PDF, 588 KB)
8/2007
Improving Automotive Fuel Efficiency with Deturbulator Tape - Sinha
(PDF, 1368 KB)
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© Copyright 2003-2008 Jim Hendrix