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Author : F. T. Kwok
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Experimental Investigation of a Supersonic Shear Layer with Slot Injection of Helium written by F. T. Kwok and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clarence Albert Kemper
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Analytical and Experimental Investigation of the Annular Injection of Helium Into a Supersonic Air Core written by Clarence Albert Kemper and published by . This book was released on 1962 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: When a lightweight gas is injected into the boundary layer of a high-speed air flow, the adiabatic wall temperature is reduced by means of a change in properties of the gas in the region where viscous dissipation occurs. The paper summarizes some of the results of a controlled experiment in which helium was injected through an annular slot and along the impermeable surface of a 1.46 inch diameter tube in which a supersonic air stream was flowing at a Mach number of about 4.8. A discussion of some of the analytical results which were obtained is also given. The experimental portion of the investigation included the development of miniaturized boundary layer instrumentation capable of measuring velocity, temperature, and concentration profiles of the flow.
Author : Richard Bruce Mays
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (226 download)
Download or read book Experimental Investigation of Helium Injection at a Low Downstream Angle Into Supersonic Flow written by Richard Bruce Mays and published by . This book was released on 1990 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Kenworthy
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)
Download or read book An Experimental Study of Slot Injection Into a Supersonic Stream written by Michael Kenworthy and published by . This book was released on 1973 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of two-dimensional tangential-slot injection into a turbulent boundary layer at a freestream Mach number of 2.4 has been conducted. Nearly adiabatic surface temperatures were maintained during all tests. Static and pitot pressure profiles at four stations downstream of the slot were obtained. Skin friction was measured at the last three stations with a self-nulling balance. Schlieren photographs of the flow field were also obtained. Most of the data were obtained with slot Mach numbers of 0.31 and 0.66 corresponding to slot pressure less than and equal to stream static pressure, respectively. For the latter matched-pressure case, tangential slot injection reduced the surface shear at the three measuring stations by about 60 to 20 percent for increasing downstream distances from the slot of 12 to 28 slot heights. However, for the other case where slot pressure was less than stream static pressure, the effect of injection was to increase the shear by about 90 percent at the last downstream station of 28 slot heights. This increase in shear is attributed to the rapid acceleration of the low speed injectant stream by the high speed main stream and the increasing pressure through the recompression zone which is absent for the matched pressure case.
Author :
Publisher :
ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (227 download)
Download or read book RESEARCH ON SLOT INJECTION INTO A SUPERSONIC AIR STREAM. written by and published by . This book was released on 1968 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of an experimental and analytical study of tangential slot injection into a supersonic stream are presented. The experiments were performed in an atmospheric intake wind tunnel with freestream Mach numbers of 2.85 and 4.19. Injection of air, helium and carbon dioxide at various subsonic Mach numbers and one supersonic condition was considered. Experiments for the flow over of wedges with turning angles between 5 and 25 deg. located on the wall downstream of the injection are also reported. The principal data are in the form of spark schlieren photographs, interferograms and wall static pressure distributions. Density profiles at several axial stations determined from interferograms are also presented. The transition to turbulence in the shear layer and the character of the turbulence were observed from the spark schlieren photographs. The presence of separation zones was detected by small tufts or threads on the surface. With subsonic injection, it is found that the initial slot exit conditions are not arbitrary for a given injectant mass flow but are determined by the downstream interaction between the two streams. The flow field has many of the features of the now well-known base-flow problem. A relatively simple analysis is developed which predicts the initial jet exit conditions. Very good agreement with the experimental observations is achieved.
Author :
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (727 download)
Download or read book An Experimental Investigation of the Properties of a Non-reacting, Supersonic Shear Layer written by and published by . This book was released on 1990 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: A shear layer formed by the merging of two different mass density and velocity, supersonic, inert gas streams (Ar and He) was investigated using both intrusive (probes) and non-intrusive (laser-based) techniques. Interpretations based upon mean pitot pressure surveys, namely shear layer growth rate and compressibility agree with established data. An aspirating probe in conjunction with a mass spectrometer comprised a gas sampling system for ultimately obtaining concentration profiles. Rapid scanning of such flows is possible with such a technique but additional efforts are required to make quantitative concentration assignments. The technique does, however, provide a means of qualitatively assessing mixing rates. Finally planar laser-induced fluorescence (PLIF) was used to establish spatially and temporally resolved images of the shear layer. Obtained images demonstrate the usefulness of PLIF to qualitatively monitor turbulent mixing phenomena in supersonic flows. 17 refs., 14 figs.
Author : Mark A. Stafford
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient written by Mark A. Stafford and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Alan Stafford
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (34 download)
Download or read book Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient Using Laser-induced Iodine Fluorescence written by Mark Alan Stafford and published by . This book was released on 1994 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary Alan Sullins
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (21 download)
Download or read book An Experimental Investigation of Shear Layer Mixing in Supersonic Flows written by Gary Alan Sullins and published by . This book was released on 1988 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kelly Colin Tucker
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (339 download)
Download or read book Experimental Investigation of Non-adiabatic Supersonic Slot Injection Into a Supersonic Cross-flow written by Kelly Colin Tucker and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven William Vavrik
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (258 download)
Download or read book An Experimental Investigation of a Reacting Supersonic Shear Layer Flow Using Plasma Ignition written by Steven William Vavrik and published by . This book was released on 1991 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 548 pages
Book Rating : 4.0/5 ( download)
Download or read book AIAA/SAE/ASME/ASEE 27th Joint Propulsion Conference: 91-2255 - 91-2319 written by and published by . This book was released on 1991 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. J. Wantuck
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book An Experimental Investigation of the Properties of a Non-reacting, Supersonic Shear Layer written by P. J. Wantuck and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.0/5 ( download)
Download or read book 93-2400 - 93-2447 written by and published by . This book was released on 1992 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond Brun
Publisher : Springer Science & Business Media
ISBN 13 : 3642788297
Total Pages : 497 pages
Book Rating : 4.6/5 (427 download)
Download or read book Shock Waves @ Marseille I written by Raymond Brun and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, there have been significant advances in the fields of high-enthalpy hypersonic flows, high-temperature gas physics, and chemistry shock propagation in various media, industrial and medical applications of shock waves, and shock-tube technology. This series contains all the papers and lectures of the 19th International Symposium on Shock Waves held in Marseille in 1993. They are published in four topical volumes, each containing papers on related topics, and preceded by an overview written by a leading international expert. The volumes may be purchased independently.
Author : Y. Haimovitch
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (317 download)
Download or read book Investigation of Ramp Injectors for Supersonic Mixing Enhancement written by Y. Haimovitch and published by . This book was released on 1994 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 694 pages
Book Rating : 4.0/5 ( download)
Download or read book 93-2120 - 93-2167 written by and published by . This book was released on 1992 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:
