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http://dx.doi.org/10.5139/JKSAS.2010.38.12.1202

Required Pressurant Mass for Cryogenic Propellant Tank with Pressurant Temperature Variation  

Kwon, Oh-Sung (한국항공우주연구원)
Kim, Byung-Hun (한국항공우주연구원)
Cho, In-Hyun (한국항공우주연구원)
Ko, Young-Sung (충남대학교 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.12, 2010 , pp. 1202-1208 More about this Journal
Abstract
The prediction of the required pressurant mass for maintaining the pressure of propellant tanks during propellant feeding is an important issue in designing pressurization system. The temperature of pressurant fed into propellant tank is the critical factor in the required pressurant mass and is one of the most crucial design parameters in the development of pressurization system including designing the weight of pressurant tanks and the size of heat exchanger. Hence a series of propellant drainage tests by pressurizing propellant stored in a cryogenic propellant tank have been performed with measuring the temperature distribution inside ullage and the required pressurant mass according to the temperature condition of pressurant. Results shows that the required pressurant mass decreases as the temperature of pressurant increases. However, the rate of the actual pressurant mass to the ideal required pressurant mass increases.
Keywords
Pressurant; Propellant Tank; Cryogenic; Ullage; Launch Vehicle;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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