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Heat Transfer Prediction for Methane in Regenerative Cooling Channels with Neural Networks [PDF]
Journal of thermophysics and heat transfer, 2019 Methane is considered being a good choice as a propellant for future reusable launch systems. However, the heat transfer prediction for supercritical methane flowing in cooling channels of a regeneratively cooled combustion chamber is challenging. Because accurate heat transfer predictions are essential to design reliable and efficient cooling systems,
Günther Waxenegger-Wilfing +3 more
arxiv +3 more sources
Optimization and Design of Regenerative Cooling Channel for Scramjet Engine
Journal of Physics: Conference Series, 2020 Abstract In this paper, the optimization model and numerical calculation verification model of the regenerative cooling channel structure of the scramjet engine are established, and the structural parameters of the regenerative cooling channel of the scramjet engine are optimized and numerically verified.
Xuefeng Xia +4 more
openaire +3 more sources
Improved Wall Temperature Prediction for the LUMEN Rocket Combustion Chamber with Neural Networks
Aerospace, 2023 Accurate calculations of the heat transfer and the resulting maximum wall temperature are essential for the optimal design of reliable and efficient regenerative cooling systems.
Kai Dresia +3 more
doaj +1 more source
Energies, 2021 Thermal protection is still one of the key challenges for successful scramjet operations. In this study, the three-dimensional coupled heat transfer between high-temperature gas and regenerative cooling panel with kerosene of supercritical pressure ...
Jiangyu Hu, Ning Wang, Jin Zhou, Yu Pan
doaj +1 more source
Junction temperature of CMOS electronics cooled by a regenerative cryocooler
SSRN Electronic Journal, 2021 The optimal operation of cryo-CMOS electronics requires accurate knowledge of the junction temperature, which may be derived from the design parameters of the mechanical cryocooler and cryospace. Research on the subject has been mostly restricted to limited examples of coupled cryocooler-cryocomputer operation with little quantitative analysis.
Smirnov, Dmitry +2 more
openaire +3 more sources
Aerospace, 2023 This paper introduces the concept of a thermal management system (TMS) with integrated on-board power generation capabilities for a Mach 8 hypersonic aircraft powered by liquid hydrogen (LH2).
Davide Ferretto, Nicole Viola
doaj +1 more source
Numerical Study on the Effect of Buoyancy on Heat Transfer and Flow of Aviation Kerosene
Hangkong gongcheng jinzhan, 2021 Under different gravity conditions, the buoyancy can influence different effects of regeneration cooling effect of aviation kerosene.The RNG k-ε turbulence three-dimensional model is established, which is verified by comparing the wall temperature ...
YAO Changxin
doaj +1 more source
A Coupled Heat Transfer Calculation Strategy for Composite Cooling Liquid Rocket Engine
Aerospace, 2023 To better understand the characteristics of coupled heat transfer in liquid rocket engines, a calculation scheme is proposed in this paper. This scheme can simulate the coupled heat transfer processes, including combustion and flow in the thrust chamber,
Bo Xu +4 more
doaj +1 more source
Aerospace, 2022 Regenerative cooling is considered promising in the thermal protection of hypersonic propulsion devices such as SCRamjet. However, the heat transfer deterioration (HTD) of hydrocarbon fuel is a severe threat to the thermal structure safety, especially ...
Jin Zhang +4 more
doaj +1 more source
Progress in Regenerative Cooling and Coking Carbon Accumulation of High-Density Heat-Absorbing Hydrocarbon Fuels [PDF]
Hangkong bingqiHypersonic scramjet engines encounter extreme thermal loading conditions during sustained operation. Regenerative cooling has emerged as a cost-efficient and thermodynamically viable strategy for extreme thermal protection in hypersonic propulsion ...
Ma Zhengzheng, Mao Qian, Cheng Yifan, Shi Baolu, Wang Ningfei
doaj +1 more source