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Design and Predictions for a High-altitude (low-Reynolds-number) Aerodynamic Flight Experiment

Design and Predictions for a High-altitude (low-Reynolds-number) Aerodynamic Flight Experiment PDF Author: Donald Greer
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 24

Book Description
A sailplane being developed at NASA Dryden Flight Research Center will support a high-altitude flight experiment. The experiment will measure the performance parameters of an airfoil at high altitudes (70,000 to 100,000 ft), low Reynolds numbers (200,000 to 700,000), and high subsonic Mach numbers (0.5 to 0.65). The airfoil section lift and drag are determined from pitot and static pressure measurements. The locations of the separation bubble, Tollmien-Schlichting boundary layer instability frequencies, and vortex shedding are measured from a hot-film strip. The details of the planned flight experiment are presented. Several predictions of the airfoil performance are also presented. Mark Drela from the Massachusetts Institute of Technology designed the APEX-16 airfoil, using the MSES code. Two-dimensional Navier-Stokes analyses were performed by Mahidhar Tatineni and Xiaolin Zhong from the University of California, Los Angeles, and by the authors at NASA Dryden.

Design and Predictions for a High-altitude (low-Reynolds-number) Aerodynamic Flight Experiment

Design and Predictions for a High-altitude (low-Reynolds-number) Aerodynamic Flight Experiment PDF Author: Donald Greer
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 24

Book Description
A sailplane being developed at NASA Dryden Flight Research Center will support a high-altitude flight experiment. The experiment will measure the performance parameters of an airfoil at high altitudes (70,000 to 100,000 ft), low Reynolds numbers (200,000 to 700,000), and high subsonic Mach numbers (0.5 to 0.65). The airfoil section lift and drag are determined from pitot and static pressure measurements. The locations of the separation bubble, Tollmien-Schlichting boundary layer instability frequencies, and vortex shedding are measured from a hot-film strip. The details of the planned flight experiment are presented. Several predictions of the airfoil performance are also presented. Mark Drela from the Massachusetts Institute of Technology designed the APEX-16 airfoil, using the MSES code. Two-dimensional Navier-Stokes analyses were performed by Mahidhar Tatineni and Xiaolin Zhong from the University of California, Los Angeles, and by the authors at NASA Dryden.

Summary of Low Speed Airfoil Data

Summary of Low Speed Airfoil Data PDF Author: Michael S. Selig
Publisher: Soartech
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 320

Book Description


Low Reynolds Number

Low Reynolds Number PDF Author: Mustafa Serdar Genç
Publisher: BoD – Books on Demand
ISBN: 9535104926
Category : Science
Languages : en
Pages : 176

Book Description
This book reports the latest development and trends in the low Re number aerodynamics, transition from laminar to turbulence, unsteady low Reynolds number flows, experimental studies, numerical transition modelling, control of low Re number flows, and MAV wing aerodynamics. The contributors to each chapter are fluid mechanics and aerodynamics scientists and engineers with strong expertise in their respective fields. As a whole, the studies presented here reveal important new directions toward the realization of applications of MAV and wind turbine blades.

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Computational Fluid Dynamics 2010 PDF Author: Alexander Kuzmin
Publisher: Springer Science & Business Media
ISBN: 3642178847
Category : Technology & Engineering
Languages : en
Pages : 902

Book Description
The International Conference on Computational Fluid Dynamics is held every two years and brings together physicists, mathematicians and engineers to review and share recent advances in mathematical and computational techniques for modeling fluid flow. The proceedings of the 2010 conference (ICCFD6) held in St Petersburg, Russia, contain a selection of refereed contributions and are meant to serve as a source of reference for all those interested in the state of the art in computational fluid dynamics.

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Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 892

Book Description


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2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings PDF Author: Song Fu
Publisher: Springer Nature
ISBN: 9819739985
Category :
Languages : en
Pages : 1975

Book Description


Airfoils at Low Speeds

Airfoils at Low Speeds PDF Author: Michael S. Selig
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 424

Book Description


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Aeronautical Engineering PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 538

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Monthly Catalog of United States Government Publications PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 878

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Monthly Catalogue, United States Public Documents PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 876

Book Description