Earticle

초록

영어

In the extreme conditions of launch vehicle in a space, such as cryogenic temperature and low-gravity environment, the mass gauging of remaining propellants becomes a difficult problem. Pressure–volume -temperature (PVT) method is one of the attractive mass gauging methods under low-gravity due to its simplicity and reliability. PVT gauging experiment with various mass flow rates of helium injection is carried out with the experimental apparatus creating cryogenic homogeneous condition as the condition of low-gravity. Experimental results are analyzed by a novel PVT gauging analysis method which considers all instantaneous changes of pressure and temperature in the ullage volume with small time intervals. It is observed that the gauging error from the novel PVT gauging analysis is –0.11% with 2 slpm mass flow rate of helium injection.

목차

Abstract
 1. 서론
 2. PVT 잔량 측정법 소개 및 실험 장치
  2.1. PVT 잔량 측정법
  2.2. 실험 장치 및 조건
 3. 기존 PVT 잔량 계측법의 실험 결과
 4. 순간 해석 기법을 적용한 PVT 측정법
 5. 결론
 참고문헌

키워드

저자

• 서만수 [ Mansu Seo | 학생회원, KAIST 기계공학과 통합과정 ] 교신저자
• 정상권 [ Sangkwon Jeong | 정회원, KAIST 기계공학과 교수 ]
• 정영석 [ Young-suk Jung | 비회원, 항공우주연구원 선임연구원 ]
• 구동훈 [ Donghun Ku | 비회원, KAIST 기계공학과 학부과정 ]
• 지동진 [ Dongjin Ji | 비회원, KAIST 부속 한국과학영재고등학교 ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  한국초전도·저온논문지 (구 한국초전도저온공학회논문지) [Progress in Superconductivity and Cryogenics]

• 간기

  계간

• pISSN

  1229-3008

• eISSN

  2287-6251

• 수록기간

  1999~2025

• 등재여부

  KCI 등재,SCOPUS

• 십진분류

  KDC 427 DDC 537