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Analysis And Sizing For Transient Thermal Heating Of Insulated Aerospace Vehicle Structures
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Book Synopsis Analysis and Sizing for Transient Thermal Heating of Insulated Aerospace Vehicle Structures by : National Aeronaut Administration (Nasa)
Download or read book Analysis and Sizing for Transient Thermal Heating of Insulated Aerospace Vehicle Structures written by National Aeronaut Administration (Nasa) and published by . This book was released on 2020-08-18 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analytical solution was derived for the transient response of an insulated structure subjected to a simplified heat pulse. The solution is solely a function of two nondimensional parameters. Simpler functions of these two parameters were developed to approximate the maximum structural temperature over a wide range of parameter values. Techniques were developed to choose constant, effective thermal properties to represent the relevant temperature and pressure-dependent properties for the insulator and structure. A technique was also developed to map a time-varying surface temperature history to an equivalent square heat pulse. Equations were also developed for the minimum mass required to maintain the inner, unheated surface below a specified temperature. In the course of the derivation, two figures of merit were identified. Required insulation masses calculated using the approximate equation were shown to typically agree with finite element results within 10%-20% over the relevant range of parameters studied. Blosser, Max L. Langley Research Center NASA/TP-2012-217595, L-20165, NF1676L-15092 AEROSPACE VEHICLES; INSULATION; TRANSIENT HEATING; AIRCRAFT STRUCTURES; TRANSIENT RESPONSE; MATHEMATICAL MODELS; HYPERSONIC VEHICLES; SIZE (DIMENSIONS); FINITE ELEMENT METHOD; TEMPERATURE DEPENDENCE; THERMAL PROTECTION; SURFACE TEMPERATURE
Book Synopsis Analysis and Sizing for Transient Thermal Heating of Insulated Aerospace Vehicle Structures by : Max L. Blosser
Download or read book Analysis and Sizing for Transient Thermal Heating of Insulated Aerospace Vehicle Structures written by Max L. Blosser and published by BiblioGov. This book was released on 2013-07 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analytical solution was derived for the transient response of an insulated structure subjected to a simplified heat pulse. The solution is solely a function of two nondimensional parameters. Simpler functions of these two parameters were developed to approximate the maximum structural temperature over a wide range of parameter values. Techniques were developed to choose constant, effective thermal properties to represent the relevant temperature and pressure-dependent properties for the insulator and structure. A technique was also developed to map a time-varying surface temperature history to an equivalent square heat pulse. Equations were also developed for the minimum mass required to maintain the inner, unheated surface below a specified temperature. In the course of the derivation, two figures of merit were identified. Required insulation masses calculated using the approximate equation were shown to typically agree with finite element results within 10%-20% over the relevant range of parameters studied.
Book Synopsis Analysis and sizing for transient thermal heating of insulated aerospace vehicle structures by : Max L. Blosser
Download or read book Analysis and sizing for transient thermal heating of insulated aerospace vehicle structures written by Max L. Blosser and published by . This book was released on 2012 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Analytical Determination of the Thermal Response of a Typical Aircraft Structure Subjected to Transient External Heating and Cooling by : Thomas N. Bernstein
Download or read book The Analytical Determination of the Thermal Response of a Typical Aircraft Structure Subjected to Transient External Heating and Cooling written by Thomas N. Bernstein and published by . This book was released on 1966 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The thermal analysis is presented of a portion of the external surface thermal protection system and load bearing structure of a hypersonic vehicle, whose mission consists of a climb-out to 100,000 feet, cruise at Mach 6, descent, and a final phase, termed turn around, which includes landing rollout, refueling and maintenance. Temperature-dependent thermo-physical properties are utilized and compared to results obtained for constant thermo-physical properties.
Book Synopsis Optimum Element Density Studies for Finite-element Thermal Analysis of Hypersonic Aircraft Structures by : William L. Ko
Download or read book Optimum Element Density Studies for Finite-element Thermal Analysis of Hypersonic Aircraft Structures written by William L. Ko and published by . This book was released on 1990 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725628502 Total Pages :32 pages Book Rating :4.6/5 (285 download)
Book Synopsis Reduction Method for Thermal Analysis of Complex Aerospace Structures by : National Aeronautics and Space Administration (NASA)
Download or read book Reduction Method for Thermal Analysis of Complex Aerospace Structures written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-20 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A reduction method which combines classical Rayleigh-Ritz modal superposition techniques with contemporary finite-element methods is applied to transient nonlinear thermal analysis of aerospace structures. The essence of the method is the use of a few thermal modes from eigenvalue analyses as basis vectors to represent the temperature response in the structure. The method is used to obtain approximate temperature histories for a portion of the Shuttle orbiter wing subject to reentry heating and for a large space antenna reflector subject to heating associated with a low Earth orbit. The reduction method has excellent potential for significant size reduction for radiation-dominated problems such as the antenna reflector. However, for conduction-dominated problems such as the Shuttle wing, especially those with complex spatial and temporal variations in the applied heating, additional work appears necessary to find alternate sources of basis vectors which will permit significant problem size reductions. Shore, C. P. Langley Research Center NASA-TP-2373, L-15777, NAS 1.60:2373 RTOP 506-53-53...
Author :Earl Arthur Thornton Publisher :AIAA (American Institute of Aeronautics & Astronautics) ISBN 13 : Total Pages :576 pages Book Rating :4.3/5 (91 download)
Book Synopsis Thermal Structures and Materials for High-speed Flight by : Earl Arthur Thornton
Download or read book Thermal Structures and Materials for High-speed Flight written by Earl Arthur Thornton and published by AIAA (American Institute of Aeronautics & Astronautics). This book was released on 1992 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents recent research and development in aerothermodynamics, advanced light metals and composites, thermal structures, materials performance and failure criteria, and intelligent processing of materials, as they relate to high-speed flight. Researchers and designers of aerospace vehicles for high-speed flight, as well as materials scientists, should find this text valuable.
Book Synopsis Computational Aspects of Heat Transfer in Structures by : Howard M. Adelman
Download or read book Computational Aspects of Heat Transfer in Structures written by Howard M. Adelman and published by . This book was released on 1982 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimum Element Density Studies for Finite-element Thermal Analysis of Hypersonic Aircraft Structures by : William L. Ko
Download or read book Optimum Element Density Studies for Finite-element Thermal Analysis of Hypersonic Aircraft Structures written by William L. Ko and published by . This book was released on 1990 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerospace Thermal Structures and Materials for a New Era by : Earl A. Thornton
Download or read book Aerospace Thermal Structures and Materials for a New Era written by Earl A. Thornton and published by AIAA. This book was released on 1995 with total page 430 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 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Aspects of Heat Transfer in Structures by :
Download or read book Computational Aspects of Heat Transfer in Structures written by and published by . This book was released on 1982 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reduction Method for Thermal Analysis of Complex Aerospace Structures by : Charles P. Shore
Download or read book Reduction Method for Thermal Analysis of Complex Aerospace Structures written by Charles P. Shore and published by . This book was released on 1985 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonlinear Transient Thermal Analysis by the Force-derivative Method by : Narayani V. Balakrishnan
Download or read book Nonlinear Transient Thermal Analysis by the Force-derivative Method written by Narayani V. Balakrishnan and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "High-speed vehicles such as the Space Shuttle Orbiter must withstand severe aerodynamic heating during reentry through the atmosphere. The Shuttle skin and substructure are constructed primarily of aluminum, which must be protected during reentry with a thermal protection system (TPS) from being overheated beyond the allowable temperature limit, so that the structural integrity is maintained for subsequent flights. High-temperature reusable surface insulation (HRSI), a popular choice of passive insulation system, typically absorbs the incoming radiative or convective heat at its surface and then re-radiates most of it to the atmosphere while conducting the smallest amount possible to the structure by virtue of its low diffusivity. In order to ensure a successful thermal performance of the Shuttle under a prescribed reentry flight profile, a preflight reentry heating thermal analysis of the Shuttle must be done. The surface temperature profile, the transient response of the HRSI interior, and the structural temperatures are all required to evaluate the functioning of the HRSI. Transient temperature distributions which identify the regions of high temperature gradients, are also required to compute the thermal loads for a structural thermal stress analysis. Furthermore, a nonlinear analysis is necessary to account for the temperature dependent thermal properties of the HRSI as well as to model radiation losses."--Page 1.
Book Synopsis Thermal Stress Analysis for Aircraft Structures by : Bruno A. Boley
Download or read book Thermal Stress Analysis for Aircraft Structures written by Bruno A. Boley and published by . This book was released on 1957 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Implicit and Explicit Solution Techniques in Transient Thermal Analysis of Structures by : Howard M. Adelman
Download or read book Studies of Implicit and Explicit Solution Techniques in Transient Thermal Analysis of Structures written by Howard M. Adelman and published by . This book was released on 1982 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Aspects of Algorithm Performance and Modeling in Transient Analysis of Structures by :
Download or read book Some Aspects of Algorithm Performance and Modeling in Transient Analysis of Structures written by and published by . This book was released on 1981 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
