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A Computational Study Of Driven Micro Cavities In Supersonic Flat Plate Flow
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Book Synopsis A Computational Study of Driven Micro-cavities in Supersonic Flat Plate Flow by : Thomas Ryan Rehmeier
Download or read book A Computational Study of Driven Micro-cavities in Supersonic Flat Plate Flow written by Thomas Ryan Rehmeier and published by . This book was released on 2013 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Driven micro-cavities embedded in the wall beneath turbulent supersonic boundary layers are analyzed using two-dimensional computational fluid dynamics. This concept is a passive flow control technique in which very small cavities formed by arrays of thin vertical walls are oriented transverse to the flow direction and underlie the boundary layer. The purpose is to reduce or eliminate skin friction drag. Various micro-cavity configurations were analyzed at locations (0.1 m and 1 m) downstream of the leading edges of flat plates, for free-stream Mach numbers of 1.2, 2.0, and 3.0. Results focus on net drag reduction achieved, cavity flow-field effects, perforation effects in vertical cavity walls, cavity scale effects, mesh refinement issues, and the stability of the solutions. Skin friction drag was eliminated over micro-cavity regions for all configurations tested. Drag in these regions was due to pressure effects on vertical walls and exhibited a linear increase with downstream distance. Drag reductions as high as 18-20% (compared to a reference flat plate section) were obtained for 52-cavity geometries at Mach 2.0 and Mach 3.0 downstream of the 10 cm and 1 m flat plates, respectively. Perforation of the cavity walls showed no effect on net drag reduction for these cases. Stability issues were observed when using a fine grid mesh for the Mach 2.0 case, with significant oscillations seen in the drag. A parametric investigation in which cavity scale, number, and wall configuration were varied was also performed for two free-stream Mach numbers of 1.2 and 3.0. Drag reductions between 18-40% were seen for these cases. It is shown that drag reduction was reduced with increasing cavity length and that the steadiness of the solution increases with the number of vertical cavity walls present"--Abstract, page iii.
Book Synopsis A Computational Study of Time-dependent Driven Cavity Flow by : Larry R. Coke
Download or read book A Computational Study of Time-dependent Driven Cavity Flow written by Larry R. Coke and published by . This book was released on 1994 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cavity Unsteady-Pressure Measurements at Subsonic and Transonic Speeds by : Maureen B. Tracy
Download or read book Cavity Unsteady-Pressure Measurements at Subsonic and Transonic Speeds written by Maureen B. Tracy and published by . This book was released on 1997 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the Flow in a Rectangular Cavity in a Flat Plate at a Mach Number of 3.55 by : Russell W. McDearmon
Download or read book Investigation of the Flow in a Rectangular Cavity in a Flat Plate at a Mach Number of 3.55 written by Russell W. McDearmon and published by . This book was released on 1960 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Towards Computational Study of Flow Within Cavities with Complex Geometric Features by :
Download or read book Towards Computational Study of Flow Within Cavities with Complex Geometric Features written by and published by . This book was released on 2015 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis AIAA Journal by : American Institute of Aeronautics and Astronautics
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mesoscale Computational Approach for Shear Driven Cavity Flow by : Nor Azwadi Che Sidik
Download or read book Mesoscale Computational Approach for Shear Driven Cavity Flow written by Nor Azwadi Che Sidik and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Advisory Committee on Technology and Society Publisher :National Academies Press ISBN 13 :9780309037860 Total Pages :1298 pages Book Rating :4.0/5 (378 download)
Book Synopsis Cities and Their Vital Systems by : Advisory Committee on Technology and Society
Download or read book Cities and Their Vital Systems written by Advisory Committee on Technology and Society and published by National Academies Press. This book was released on 1989 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.
Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Book Synopsis Bibliography of Lewis Research Center Technical Publications Announced in 1993 by :
Download or read book Bibliography of Lewis Research Center Technical Publications Announced in 1993 written by and published by . This book was released on 1994 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1987 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 248) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 248) written by and published by . This book was released on 1990 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
