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The Flow Field And Heat Transfer Downstream Of A Rearward Facing Step In Supersonic Flow
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Book Synopsis The Flow Field and Heat Transfer Downstream of a Rearward Facing Step in Supersonic Flow by : Howard E. Smith
Download or read book The Flow Field and Heat Transfer Downstream of a Rearward Facing Step in Supersonic Flow written by Howard E. Smith and published by . This book was released on 1967 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of the flow field, and the model pressure and steady-state heat transfer distributions for a rearward-facing step in supersonic flow is described. Tests were conducted using a water-cooled model with a step height adjustable to 0.443 and 0.750 inches at free stream Mach numbers of 2.5, 3.5, and 5.0, and at Reynolds numbers based on length of surface ahead of separation of approximately 250,000 to 1,800,000. It was found that the Reynolds number based on step height is an important parameter and that both the base pressure and the maximum heat transfer at reattachment may be predicted as a function of this parameter. Several representative flow fields are presented along with analyses of the various regions of these fields. It was found that the depressed base pressure is communicated upstream of the step through the subsonic portion of the attached boundary layer resulting in a pressure gradient immediately upstream of the step. It is shown that the rapid corner expansion is not the commonly used Prandtl-Meyer expansion, but rather is accurately described by the method of inviscid rotational characteristics which accounts for both the entropy gradient in the boundary layer and the pressure gradient upstream of the step. This description of the corner expansion also accurately predicts the position of the lip shock associated with the rapid expansion.
Book Synopsis Rearward-facing Steps in Laminar Supersonic Flows with and Without Suction by : Antoni K. Jakubowski
Download or read book Rearward-facing Steps in Laminar Supersonic Flows with and Without Suction written by Antoni K. Jakubowski and published by . This book was released on 1974 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Integral Analysis of Heat Transfer Downstream of a Rearward-facing Step with Small Coolant Injection by : Keiichi Karashima
Download or read book An Integral Analysis of Heat Transfer Downstream of a Rearward-facing Step with Small Coolant Injection written by Keiichi Karashima and published by . This book was released on 1970 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Near Flow Field Generated by the Supersonic Flow Over Rearward Facing Steps by : Jain-Ming Wu
Download or read book On the Near Flow Field Generated by the Supersonic Flow Over Rearward Facing Steps written by Jain-Ming Wu and published by . This book was released on 1971 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements were made and evaluated in the oncoming boundary layer, in the free shear layer, the lip shock and in the wake (or reattachment) shock region. Pitot and static pressure surveys were conducted, along with hot wire measurements and flow visualization studies. The measured free shear layer profiles were compared at different free stream Mach numbers, Reynolds numbers and step heights. A new technique was established for reducing the hot wire data. This was based upon the heat transfer correlation formula, and allows a broader range of applicability; in both the low Reynolds number region and in the free shear layer where the flow field is changing rapidly. This technique when applied to the measurements allowed the flow structure in the recirculating region to be explored. The low base pressure generated by the step influences the flow field ahead of the step and the extent of this upstream influence has been discussed. A new base pressure correlation parameter has also been developed for fully laminar and transitional flow.
Download or read book NASA Technical Note written by and published by . This book was released on 1973 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Separated Flow Downstream of a Backward Facing Step by : Donald R. Crawford
Download or read book Supersonic Separated Flow Downstream of a Backward Facing Step written by Donald R. Crawford and published by . This book was released on 1967 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method of integral relations is applied to the study of the viscous separated flow field downstream of a backward facing step in laminar supersonic flow. The boundary layer equations are reduced to a set of coupled ordinary differential equations in a formulation which incorporates a two parameter velocity profile. The neighborhood of the corner and the reattachment point are examined in detail, taking into account the proper interaction between the viscous and inviscid flow. The complete flow field in these regions is found from the analyses of the limiting forms of the equations. In particular, it is found that the pressure gradient and thickness of the boundary layer at the reattachment point are related and cannot be arbitrarily specified. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 912 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 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat-transfer and Pressure Distributions for Laminar Separated Flows Downstream of Rearward-facing Steps with and Without Mass Suction by : Ronald D. Brown
Download or read book Heat-transfer and Pressure Distributions for Laminar Separated Flows Downstream of Rearward-facing Steps with and Without Mass Suction written by Ronald D. Brown and published by . This book was released on 1974 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat-transfer and pressure distributions were measured for laminar separated flows downstream of rearward-facing steps with and without mass suction. The flow conditions were such that the boundary-layer thickness was comparable to or larger than the step height. For both suction and no-suction cases, an increase in the step height resulted in a sharp decrease in the initial heat-transfer rates behind the step. Downstream, however, the heat transfer gradually recovered back to less than or near attached-flow values. Mass suction from the step base area increased the local heat-transfer rates; however, this effect was relatively weak for the laminar flows considered. Even removal of the entire approaching boundary layer raised the post-step heat-transfer rates only about 10 percent above the flatplate values. Post-step pressure distributions were found to depend on the entrainment conditions at separation. In the case of the solid-faced step, a sharp pressure drop behind the step was followed by a very short plateau and relatively fast recompression. For the slotted-step connected to a large plenum but without suction, the pressure drop at the base was much smaller and the downstream recompression more gradual than that for solid-faced step.
Book Synopsis OAR Cumulative Index of Research Results by :
Download or read book OAR Cumulative Index of Research Results written by and published by . This book was released on 1967 with total page 1264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Heat Transfer written by and published by Academic Press. This book was released on 1970-07-31 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Heat Transfer
Book Synopsis Comparison of Wind-tunnel and Flight-measured Base Pressures from the Sharp-leading-edge Upper Vertical Fin of the X-15 Airplane for Turbulent Flow at Mach Numbers from 1.5 to 5.0 by : Sheryll Goecke Powers
Download or read book Comparison of Wind-tunnel and Flight-measured Base Pressures from the Sharp-leading-edge Upper Vertical Fin of the X-15 Airplane for Turbulent Flow at Mach Numbers from 1.5 to 5.0 written by Sheryll Goecke Powers and published by . This book was released on 1971 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Israel Journal of Technology written by and published by . This book was released on 1974 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes proceedings of various meetings and conferences.
Book Synopsis OAR Index of Research Results by : United States. Air Force. Office of Aerospace Research
Download or read book OAR Index of Research Results written by United States. Air Force. Office of Aerospace Research and published by . This book was released on 1967 with total page 1262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1966-11 with total page 1014 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 1973 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
