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Numerical Study of Enhancement of Regenerative Cooling Using Ribs [PDF]
49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, 2013 Advancements in liquid propellant rocket engines (LPRE) are requiring higher thermal loads for long duration times. Regenerative cooling has been shown to be a highly effective cooling technique for LPRE. To authors’ knowledge, there have not been any previous work published that explores the use of turbulators in regenerative cooling channels for LPRE
Hossain, J. +4 more
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Space engineering and technology, 2021
The paper discusses a new method for regenerative cooling of the chamber of liquid-propellant rocket engines using the concept of interchannel coolant flow through a porous metal mesh made by vacuum diffusion welding of woven metal netting. It provides a
F. Pelevin, A. Ponomarev
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The paper discusses a new method for regenerative cooling of the chamber of liquid-propellant rocket engines using the concept of interchannel coolant flow through a porous metal mesh made by vacuum diffusion welding of woven metal netting. It provides a
F. Pelevin, A. Ponomarev
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Polybranched regenerative GAX cooling cycles
International Journal of Refrigeration, 1995After a short characterization of today's advanced absorption cooling systems, of multi-effect and generator-absorber heat exchange (GAX) type, this work introduces polybranched regenerative GAX cycles (PBR(GAX)). They combine the advantages of four cycles: GAX, branched GAX, regenerative GAX, and those with rectification heat recovery.
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Fixed-Bed Reactors with Regenerative Cooling
Industrial & Engineering Chemistry Fundamentals, 1971A regeneratively cooled fixed-bed reactor system was studied theoretically. It consists of two sections which alternate roles as reactor and heat regenerator by periodic flow reversals. Calculations were performed for a single exothermic reaction using a forward cell model.
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Propellant feed system of a regeneratively cooled scramjet
Journal of Propulsion and Power, 1991An expander cycle for an airframe-integrated hydrogen-fueled scramjet is analyzed to study regenerative cooling characteristics and overall specific impulse. Below Mach 10, the specific impulse and thrust coincide with the reference values. At Mach numbers above 10, a reduction of the specific impulse occurs due to the coolant flow rate requirement ...
Yoshio Wakamatsu +2 more
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Supercritical Pyrolysis and Coking of JP-10 in Regenerative Cooling Channels
, 2020JP-10 is a potential endothermic hydrocarbon fuel (EHF) with a high energy density for the regenerative cooling technology of advanced aircrafts. In this work, pyrolysis and coking of JP-10 were experimentally studied using an electrically heated tube as
Yu Pan +7 more
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70 W Yb:YLF Cryogenically-Cooled Regenerative Amplifier
OSA High-brightness Sources and Light-driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS), 2020We demonstrate a cryogenically-cooled Yb:YLF regenerative amplifier delivering 20-mJ pulses at 3.5 kHz corresponding to 70 W average power. The pulses possess 2.1 nm spectral bandwidth centered at 1019 nm supporting sub-ps pulses.
Cankaya, Huseyin +5 more
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Life analysis of regenerative-cooling thrust chamber
2014 ISFMFE - 6th International Symposium on Fluid Machinery and Fluid Engineering, 2014Thrust chamber is an important part of liquid rocket engine (LRE), which always uses the structure of regenerative-cooling channels in order to lower the temperature of the wall. With the concept of reusability of LRE is advanced, the life analysis of regenerative-cooling chamber should be carried out.
Jialong Ji, Bing Sun
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Comparison During a Scramjet Regenerative Cooling and Recooling Cycle
Journal of Thermophysics and Heat Transfer, 2012A coupled heat-transfer and flow model of a scramjet with a recooling cycle is established, and it includes supersonic combustion, combustion heating, and fuel cooling with real scramjet engine geometry and operating parameters. Under the most insufficient heat sink condition, flow and heat transfer characteristics are compared under real operating ...
Silong Zhang +3 more
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Automation of regenerative compressor cooling system using microcontroller
2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015], 2015Since there is a need for enhanced efficiency system in power generation, regenerative compressor cooling has become a savior for the existing limited resources. The compressed air, commonly called industry's fourth utility, that is condensed and contained at a pressure greater than the atmosphere.
G. Kirthika, S. Charles Raja
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