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Author : Faith Tezok
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (613 download)
Download or read book Effects of Roughness on Advanced Airfoils and Wings written by Faith Tezok and published by . This book was released on 1995 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bombardier Aerospace
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (932 download)
Download or read book Effects of Roughness on Advanced Airfoils written by Bombardier Aerospace and published by . This book was released on 1998 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results of the second and third phases of a research program that studied the effects of roughness contamination on modern airfoils and wings. Phase two involved testing a Bombardier Aerospace proprietary supercritical airfoil section in a wind tunnel, and phase three involved a low-speed test of the Canadair Regional Jet wing in a larger wind tunnel. The performance of the tested models with different flap deflections, sweep angles, and roughness parameters was compared to computational fluid dynamics (CFD) results. A quasi-three-dimensional CFD model based on a viscous-inviscid coupling technique, using a panel method for the inviscid flow field and a two-dimensional compressible boundary layer with sweep and roughness effects, was calibrated using the results. Experimental results were also compared with Regional Jet flight test data. The results reveal the possibility of predicting the effects of roughness on aerodynamic performance.
Author :
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (946 download)
Download or read book Effects of Roughness on Advances Airfoils and Wings written by and published by . This book was released on 1995 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milton A. Schwartzberg
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (11 download)
Download or read book Effects of Roughness and Reynolds Number on the Nonlinear Lift Characteristics of a Wing with Modified Hexagonal Airfoil Sections written by Milton A. Schwartzberg and published by . This book was released on 1953 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Glenn Kessler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (614 download)
Download or read book Wing Surface Roughness written by Glenn Kessler and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. R. Czarnecki
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (317 download)
Download or read book Investigation of Effects of Roughness, Surface Cooling, and Shock Impingement on Boundary-layer Transition on a Two-dimensional Wing written by K. R. Czarnecki and published by . This book was released on 1960 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (317 download)
Download or read book NASA Scientific and Technical Publications written by and published by . This book was released on 1991 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tero Tuovinen
Publisher : Springer Nature
ISBN 13 : 3031611098
Total Pages : 289 pages
Book Rating : 4.0/5 (316 download)
Download or read book Advanced Computational Methods and Design for Greener Aviation written by Tero Tuovinen and published by Springer Nature. This book was released on with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zachary T. Applin
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Pressure Distributions from Subsonic Tests of an Advanced Laminar-flow-control Wing with Leading- and Trailing-edge Flaps written by Zachary T. Applin and published by . This book was released on 1988 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Niroj Maharjan
Publisher : Springer Nature
ISBN 13 : 9819986435
Total Pages : 418 pages
Book Rating : 4.8/5 (199 download)
Download or read book Proceedings of the 3rd International Conference on Advanced Surface Enhancement (INCASE) 2023 written by Niroj Maharjan and published by Springer Nature. This book was released on with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.3/5 ( download)
Download or read book NASA Scientific and Technical Publications written by and published by . This book was released on 1987 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 664 pages
Book Rating : 4.F/5 ( download)
Download or read book Canadian Aeronautics and Space Journal written by and published by . This book was released on 2000 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (683 download)
Download or read book Effects of Grit Roughness and Pitch Oscillations on the S814 Airfoil written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Horizontal-axis wind turbine rotors experience unsteady aerodynamics when the rotor is yawed, when rotor blades pass through the support tower wake, and when the wind is gusting. An understanding of this unsteady behavior is necessary to assist in the design of new rotor airfoils. The rotors also experience performance degradation due to surface roughness. These surface irregularities are due to the accumulation of insect debris, ice, and/or the aging process. Wind tunnel studies that examine both the steady and unsteady behavior of airfoils can help define pertinent flow phenomena, and the resultant data can also be used to validate analytical computer codes. An S814 airfoil model was tested in The Ohio State University Aeronautical and Astronautical Research Laboratory (OSU/AARL) 3 X 5 subsonic wind tunnel (3 X 5) under steady flow with both stationary model conditions and pitch oscillations. To study the extent of performance loss due to surface roughness, a leading edge grit roughness pattern (LEGR) was used to simulate leading edge contamination. After baseline cases were completed, the LEGR was applied for both steady state and model pitch oscillation cases. The Reynolds numbers for steady state conditions were 0.75, 1, 1.25 and 1.5 million, while the angle of attack ranged from -20° to +40°. While the model underwent pitch oscillations, data were acquired at Reynolds numbers of 0.75, 1, 1.25, and 1.5 million, at frequencies of 0.6, 1.2, and 1.8 Hz. Two sine wave forcing functions "5.5° and "10°, were used; at mean angles of attack of 8°, 14°, and 20°. For purposes herein, any reference to unsteady conditions means the model was in pitch oscillation.
Author :
Publisher :
ISBN 13 :
Total Pages : 700 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA SP. written by and published by . This book was released on 1990 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Illinois at Urbana-Champaign. Office of Engineering Publications
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Summary of Engineering Research written by University of Illinois at Urbana-Champaign. Office of Engineering Publications and published by . This book was released on 1992 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
