The results of the experimental research of the processes of the hydrocarbon propellant temperature preparation using a heat exchanger placed in antifreeze
Authors: Aleksandrov A.A., Barmin I.V., Pavlov S.K., Chugunkov V.V.
Published in issue: #1(85)/2019
DOI: 10.18698/2308-6033-2019-1-1842
Category: Aviation and Rocket-Space Engineering | Chapter: Ground Complexes, Launch Equipment, Aircraft Exploitation
The article describes the experimental stand and the results of an experimental research of the hydrocarbon propellant temperature preparation in a heat exchanger placed in an antifreeze medium. The mode of propellant cooling is provided by cooling the antifreeze by liquid nitrogen sparging, and the mode of propellant heating with a tubular electric heater placed in a tank with antifreeze. The operation of hydrocarbon propellant temperature preparation is used in space rocket complexes to provide the necessary properties of the propellant and improve the efficiency of propulsion systems for space rockets. The experiments implemented an efficient technology for cooling hydrocarbon propellant by improving heat transfer on the outer surface of the heat exchanger due to the interaction of liquid nitrogen with antifreeze. The experimental research resulted in obtaining quantitative data on the processes of propellant cooling and heating in a heat exchanger located in an antifreeze medium in the temperature range of 243...293 K. Experimental data were obtained about the characteristics of heat transfer required for calculating the heat transfer between the propellant and the antifreeze and determining the parameters of the processes of the propellant temperature preparation
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