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Blunt Body Stagnation Region Flow With Nongray Radiation Heat Transfer Singular Perturbation Solution With List Of References
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Book Synopsis Blunt-body Stagnation-region Flow with Nongray Radiation Heat Transfer, Singular Perturbation Solution [with List of References] by :
Download or read book Blunt-body Stagnation-region Flow with Nongray Radiation Heat Transfer, Singular Perturbation Solution [with List of References] written by and published by . This book was released on 1968 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Blunt-body Stagnation-region Flow with Nongray Radiation Heat Transfer by : Walter B. Olstad
Download or read book Blunt-body Stagnation-region Flow with Nongray Radiation Heat Transfer written by Walter B. Olstad and published by . This book was released on 1968 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: A singular perturbation solution to the blunt-body stagnation-region flow of an inviscid, radiating gas has been obtained by means of the Poincař-Lighthill-Kuo, or perturbation-of-coordinates, method. A number of results for a gray gas have been presented in order to provide some physical insight into the effects of various parameters on the shock-layer enthalpy profiles and the radiant heat-transfer rates. A nongray absorption-coefficient model was developed which includes, in an approximate way, the important vacuum-ultraviolet contributions of bound-free and line transitions. This model was used to obtain solutions pertinent to the case of reentry into the earth's atmosphere. While the results are restricted to small values of the radiation cooling parameter, which characterizes the relative importance of radiation and convection as energy-transport mechanisms, they cover broad ranges of vehicle velocity, altitude, and nose radius, which are of practical interest. The characteristic enthalpy variation of the model absorption coefficient was found to be nearly independent of altitude and nose radius for fixed vehicle velocity except for velocities lower than 10.67 km/sec. Thus it was possible to correlate certain quantities by plotting these quantities as functions of the nondimensional adiabatic radiant heat-transfer rate for various altitudes and nose radii at fixed vehicle velocity. Among the quantities correlated was the cooling factor (the ratio of the stagnation-point radiant heat-transfer rate to the adiabatic radiant heat-transfer rate). The cooling-factor correlation is particularly useful because it eliminates the need to perform nonadiabatic calculations whenever radiant heat-transfer rates are desired. Also correlated was the factor by which the convective heat-transfer rate is reduced because of radiation losses in the shock layer. Finally, upper-bound estimates were made of the effects of absorption of precursor radiation by the free-stream air on the radiant and convective heat-transfer rates.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1969 with total page 1352 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 1969 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book National Union Catalog written by and published by . This book was released on 1973 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The National Union Catalogs, 1963- by :
Download or read book The National Union Catalogs, 1963- written by and published by . This book was released on 1964 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Solution of the Boundary Layer Equations in the Stagnation Region of a Blunt Nose Body of Revolution by : Robert Bromberg
Download or read book A Solution of the Boundary Layer Equations in the Stagnation Region of a Blunt Nose Body of Revolution written by Robert Bromberg and published by . This book was released on 1955 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: A knowledge of the rate of heat transfer from a flowing gas to the stagnation region of a body of revolution is of considerable interest in many applications. Solutions are presented for a range of conditions, including that of large heat transfer in an imperfect gas.
Book Synopsis Solutions of the Laminar Compressible Boundary-layer Equations with Transpiration which are Applicable to the Stagnation Regions of Axisymmetric Blunt Bodies by : John T. Howe
Download or read book Solutions of the Laminar Compressible Boundary-layer Equations with Transpiration which are Applicable to the Stagnation Regions of Axisymmetric Blunt Bodies written by John T. Howe and published by . This book was released on 1959 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Speed Low Density Flow Near the Stagnation Point of a Blunt Body by : Reuben Ru-Ren Chow
Download or read book High Speed Low Density Flow Near the Stagnation Point of a Blunt Body written by Reuben Ru-Ren Chow and published by . This book was released on 1963 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The boundary layer thickness around a blunt nosed body increases as the Reynolds number de creases. When this thickness reaches a magni tude of the order of the inviscid shock detach ment distance, the heat fluxes and the compo nents of stresses after the shock begin to play important roles in the flow field behind the shock. These effects necessitate the modifica tion of the usual Rankine-Hugoniot shock condi tions in the study of the energy transfer be tween the fluid and the body surface. In the present analysis the leading order shock condi tions are obtained from the systematic order of magnitude analysis. A complete matching scheme for the components of heat flux and stresses be tween the shock and the boundary layer is pro posed for the study of the flow field as well as the surface heat transfer to the body. No pos tulation, except the axial symmetry, has been made concerning the shape of the shock. The shape of the matching surface can be obtained uniquely from the present analysis. A method of solution has been introduced so that the labor ious job of numerical integration of the flow equations with complicated boundary conditions can be bypassed. The governing equations are transformed and reduced to algebraic forms with the knowledge of the usual similarity solutions of the boundary layer equations. (Author).
Book Synopsis Effects of Mass Addition on Blunt-body Boundary-layer Transition and Heat Transfer by : George E. Kaattari
Download or read book Effects of Mass Addition on Blunt-body Boundary-layer Transition and Heat Transfer written by George E. Kaattari and published by . This book was released on 1978 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Approximate Analysis of Unsteady Vaporization Near the Stagnation Point of Blunt Bodies by : Leonard Roberts
Download or read book An Approximate Analysis of Unsteady Vaporization Near the Stagnation Point of Blunt Bodies written by Leonard Roberts and published by . This book was released on 1959 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Theoretical Study of Stagnation-point Ablation by : Leonard Roberts
Download or read book A Theoretical Study of Stagnation-point Ablation written by Leonard Roberts and published by . This book was released on 1959 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simplified analysis is made of ablation cooling near the stagnation point of a two-dimensional or axisymmetric body which occurs as the body vaporizes directly from the solid state. The automatic shielding mechanism is discussed and the important thermal properties required by a good ablation material are given. The results of the analysis are given in terms of dimensionless parameters.
Book Synopsis Stagnation Point Flow with Radiation by :
Download or read book Stagnation Point Flow with Radiation written by and published by . This book was released on 1965 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stagnation Point Heat Transfer Predictions for Blunt Bodies in Hypervelocity Flow by : Peter A. Ross
Download or read book Stagnation Point Heat Transfer Predictions for Blunt Bodies in Hypervelocity Flow written by Peter A. Ross and published by . This book was released on 1964 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stagnation point heat transfer predictions from boundary layer program by E.A. Brown and A. Dusto are presented in comparison with other predictions and shock tube data. Several charts have been prepared in terms of simulation parameters, whereby, the heating rates based on these results can be quickly determined at the stagnation point of a blunt body in shock tubes, hypervelocity tunnels and gun ranges. (Author).
Book Synopsis Heat Transfer at the Forward Stagnation Point of Blunt Bodies by : Eli Reshotko
Download or read book Heat Transfer at the Forward Stagnation Point of Blunt Bodies written by Eli Reshotko and published by . This book was released on 1955 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relations are presented for the calculation of heat transfer at the forward stagnation point of both two-dimensional and axially symmetric blunt bodies. The relations for the heat transfer, which were obtained from exact solutions to the equations of the laminar boundary layer, are presented in terms of the local velocity gradient at the stagnation point. These exact solutions include the effects of variation of fluid properties, Prandtl number, and transpiration cooling. Examples illustrating the calculation procedure are also included.
Book Synopsis Stagnation Region Heat Transfer: The Influence of Turbulence Parameters, Reynolds Number and Body Shape by :
Download or read book Stagnation Region Heat Transfer: The Influence of Turbulence Parameters, Reynolds Number and Body Shape written by and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Duplication of Reynolds Number and Stagnation Point Heat Transfer Rates for Blunt Bodies at Hypersonic Speeds by : J. D. Regan
Download or read book Duplication of Reynolds Number and Stagnation Point Heat Transfer Rates for Blunt Bodies at Hypersonic Speeds written by J. D. Regan and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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