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Stagnation Point Heat Transfer In High Enthalpy Gas Flows Part I Convective Heat Transfer In Partially Ionized Air
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Book Synopsis Stagnation Point Heat Transfer in High Enthalpy Gas Flows. Part I: Convective Heat Transfer in Partially Ionized Air by : Robert M. Nerem
Download or read book Stagnation Point Heat Transfer in High Enthalpy Gas Flows. Part I: Convective Heat Transfer in Partially Ionized Air written by Robert M. Nerem and published by . This book was released on 1964 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using an arc driven shock tube facility, measurements of convective heat transfer at the stagnation point of a blunt body were carried out at simulated flight velocities ranging from 20,000 to 40,000 feet per second. These measurements were performed using standard calorimeter techniques with air as the test media. The results indicate no significant ionization effects on aerodynamic heating and indicate that the Lee's approximate equation for stagnation point heat transfer can be used for engineering calculations at flight velocities up to 40,000 feet per second. (Author).
Book Synopsis Stagnation Point Heat Transfer in a Partially Ionized Gas by : Richard Walter Rutowski
Download or read book Stagnation Point Heat Transfer in a Partially Ionized Gas written by Richard Walter Rutowski and published by . This book was released on 1959 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Convective Heat Transfer in Planetary Gases by : Joseph G. Marvin
Download or read book Convective Heat Transfer in Planetary Gases written by Joseph G. Marvin and published by . This book was released on 1965 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equilibrium convective heat transfer in several real gases was investigated. The gases considered were air, nitrogen, hydrogen, carbon dioxide, and argon. Solutions to the similar form of the boundary-layer equations were obtained for flight velocities to 30,000 ft/sec for a range of parameters sufficient to define the effects of pressure level, pressure gradient, boundary-layer-edge velocity, and wall temperature. Results are presented for stagnation-point heating and for the heating-rate distribution. For the range of parameters investigated the wall heat transfer depended on the transport properties near the wall and precise evaluation of properties in the high-energy portions of the boundary layer was not needed. A correlation of the solutions to the boundary-layer equations was obtained which depended only on the low temperature properties of the gases. This result can be used to evaluate the heat transfer in gases other than those considered. The largest stagnation-point heat transfer at a constant flight velocity was obtained for argon followed successively by carbon dioxide, air, nitrogen, and hydrogen. The blunt-body heating-rate distribution was found to depend mainly on the inviscid flow field. For each gas, correlation equations of boundary-layer thermodynamic and transport properties as a function of enthalpy are given for a wide range of pressures to a maximum enthalpy of 18,000 Btu/lb.
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stagnation Point Heat Transfer in High Enthalpy Gas Flows. Part Ii: Shock Layer Radiative Emission During Hypervelocity Re-entry by : Robert M. Nerem
Download or read book Stagnation Point Heat Transfer in High Enthalpy Gas Flows. Part Ii: Shock Layer Radiative Emission During Hypervelocity Re-entry written by Robert M. Nerem and published by . This book was released on 1964 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental measurements of stagnation point equilibrium radiative heat transfer were performed using an arc driven shock tube facility and over the range of simulated flight velocities between 26,000 and 52,000 feet per second, and at altitudes from 100,000 to 170,000 feet. These measurements were compared with existing theoretical estimates; and wide disagreement is shown to exist at high temperatures and low densities where the continuum emission due to the deionization of N and O cations dominates the shock layer radiation. Using an approximate approach, a revised estimate is presented for the radiative emission from high temperature equilibrium air. This revised estimate is then applied to the determination of stagnation point equilibrium radiative heat transfer during re-entry at super-orbital velocities. A correlation for the shock layer emission rate useful in engineering design calculations is presented. A similar study concerning convective heat transfer appears in part I (AD-601 370) of this series. (Author).
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 1978 with total page 996 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 Comparison of Convective Stagnation Heat Transfer in Air, CO2-N2, and CO2-Ar Gas Mixtures by : Clifford M. Akin
Download or read book Comparison of Convective Stagnation Heat Transfer in Air, CO2-N2, and CO2-Ar Gas Mixtures written by Clifford M. Akin and published by . This book was released on 1967 with total page 20 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 Heat Transfer Measurements in Partially Ionized Air by : Peter H. Rose
Download or read book Stagnation Point Heat Transfer Measurements in Partially Ionized Air written by Peter H. Rose and published by . This book was released on 1963 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Empirical Stagnation-point Heat-transfer Relation in Several Gas Mixtures at High Enthalpy Levels by : Ernest V. Zoby
Download or read book Empirical Stagnation-point Heat-transfer Relation in Several Gas Mixtures at High Enthalpy Levels written by Ernest V. Zoby and published by . This book was released on 1968 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady Stagnation-point Heat Transfer by : E. M. Sparrow
Download or read book Unsteady Stagnation-point Heat Transfer written by E. M. Sparrow and published by . This book was released on 1959 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A General Stagnation-point Convective-heating Equation for Arbitrary Gas Mixtures by : Kenneth Sutton
Download or read book A General Stagnation-point Convective-heating Equation for Arbitrary Gas Mixtures written by Kenneth Sutton and published by . This book was released on 1971 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The stagnation-point convective heat transfer to an axisymmetric blunt body for arbitrary gases in chemical equilibrium was investigated. The gases considered were base bases of nitrogen, oxygen, hydrogen, helium, neon, argon, carbon dioxide, ammonia, and methane and 22 gases mixtures composed of the base gases. In the study, enthalpies ranged from 2.3 to 116.2 MJ/kg, pressures ranged from 0.001 to 100 atmospheres, and the wall temperatures were 300 and 1111 K. A general equation for the stagnation-point convective heat transfer in base gases and gas mixtures was derived and is a function of the mass fraction, the molecular weight, and a transport parameter of the base gases. The relation compares well with present boundary-layer computer results and with other analytical and experimental results. In addition, the analysis verified that the convective heat transfer in gas mixtures can be determined from a summation relation involving the heat-transfer coefficients of the base gases. The basic technique developed for the prediction of stagnation-point convective heating to an axisymmetric blunt body could be applied to other heat-transfer problems.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1965 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Convective Heat Transfer by : Gautam Biswas
Download or read book Fundamentals of Convective Heat Transfer written by Gautam Biswas and published by CRC Press. This book was released on 2019-07-15 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal convection is often encountered by scientists and engineers while designing or analyzing flows involving exchange of energy. Fundamentals of Convective Heat Transfer is a unified text that captures the physical insight into convective heat transfer and thorough, analytical, and numerical treatments. It also focuses on the latest developments in the theory of convective energy and mass transport. Aimed at graduates, senior undergraduates, and engineers involved in research and development activities, the book provides new material on boiling, including nuances of physical processes. In all the derivations, step-by-step and systematic approaches have been followed.
Download or read book NASA Technical Note written by and published by . This book was released on 1969 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Report written by and published by . This book was released on 1971 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :1156 pages Book Rating :4.E/5 ( download)
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1964 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
