Results 21 to 30 of about 1,515,531 (320)
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
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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
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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
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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
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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, 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
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Energies, 2023 This study presents results of predicting the transport properties of hydrocarbon aviation fuels and their decomposed products after pyrolysis.
Sung-rok Hwang, Hyung Ju Lee
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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
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Numerical Investigation on the Thermal Behaviour of a LOx/LCH4 Demonstrator Cooling System
Aerospace, 2021 Reliability of liquid rocket engines is strictly connected with the successful operation of cooling jackets, able to sustain the impressive operative conditions in terms of huge thermal and mechanical loads, generated in thrust chambers. Cryogenic fuels,
Daniele Ricci +2 more
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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
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