Results 1 to 10 of about 266 (118)
Results in Engineering, 2023 Transpiration cooling is a potential active thermal protection method for aircraft under severe thermal environment. Though it is cooling efficiency that is of concern in most structural designs, the injection pressure is equally critical for ...
Fei He +3 more
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Frontiers in Energy Research, 2022 Transpiration cooling is a highly efficient active thermal protection technology, which has a great application prospect in the thermal protection of hypersonic vehicles. Nevertheless, the problem of large injection pressure caused by porous structure in
Xiaokai Zhang +5 more
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Energies, 2022 Struts as an important structure in the combustion chamber of hypersonic flight vehicles to inject fuel into main flow face a severe thermal environment. Transpiration cooling is considered as a potential method to provide a thermal protection for struts.
Haiwei Yang +3 more
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Case Studies in Thermal Engineering, 2022 Micro cooling utilizing the micro-sized cooling hole or a porous structure on the surface is a promising technology in cooling applications of gas turbine blades.
Mingeon Kim +3 more
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Micromachines, 2022 We experimentally investigate the transpiration cooling characteristics of a porous material, sintered wire mesh. Three samples with different porosities in a plain weave structure are tested with various blowing ratios in an open-loop wind tunnel with a
Yubo Peng +4 more
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Numerical analysis of convection/transpiration cooling [PDF]
9th International Space Planes and Hypersonic Systems and Technologies Conference, 1999 An innovative concept utilizing the natural porosity of refractory-composite materials and hydrogen coolant to provide CONvective and TRANspiration (CONTRAN) cooling and oxidation protection has been numerically studied for surfaces exposed to a high heat flux, high temperature environment such as hypersonic vehicle engine combustor walls.
David E. Glass +2 more
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Flow characterization of microscale effusion and transpiration air cooling on single blade
Case Studies in Thermal Engineering, 2022 Micro cooling has drawn attention as the next-generation cooling technique that is better than film cooling for a high-temperature turbine blade. Not to reduce the gas turbine efficiency while having high blade cooling effectiveness, it recommends that ...
Mingeon Kim +3 more
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Probabilistic constrained Bayesian inversion for transpiration cooling
International Journal for Numerical Methods in Fluids, 2022 AbstractTo enable safe operations in applications such as rocket combustion chambers, the materials require cooling to avoid material damage. Here, transpiration cooling is a promising cooling technique. Numerous studies investigate possibilities to simulate and evaluate the complex cooling mechanism.
Ella Steins +3 more
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Quantifying outdoor cooling effects of vertical greening system on mean radiant temperature
Developments in the Built Environment, 2023 Energy flux of Vertical Greening System (VGS) is crucial for understanding of heat exchange processes by optimizing the cooling performance in outdoor thermal comfort, thereby mitigating heat stress through the transpiration.
Eun Sub Kim +6 more
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International Journal of Rotating Machinery, 2004 This article attempts to provide a cooling performance comparison of various mass transfer cooling methods and different cooling media through two experiments.
J. H. Wang, J. Messner, H. Stetter
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