Enhancing the efficiency of the propellant cooling system using a heat exchanger and antifreeze being cooled by liquid nitrogen
Authors: Pavlov S.K., Chugunkov V.V.
Published in issue: #1(49)/2016
DOI: 10.18698/2308-6033-2016-1-1461
Category: Aviation and Rocket-Space Engineering | Chapter: Thermal, Electric Jet Engines, and Power Plants of Aircrafts
The article describes the construction of the propellant cooling system using a heat exchanger and the antifreeze being cooled by liquid nitrogen, when the heat exchanger is placed directly in the tank with antifreeze. Cooling is performed by the circulation of propellant from the tank of its location through the heat exchanger placed in the tank with antifreeze being cooled by supplying dispersed liquid nitrogen. We present the cooling system circuit, equations and the results of predicting its efficiency in terms of the relative liquid nitrogen flowrate in comparison with other variants of propellant cooling on the space launcher complexes.
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