한국추진공학회지 (Journal of the Korean Society of Propulsion Engineers)

  • 제23권1호
  • /
  • Pages.61-70
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  • 2019
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  • 1226-6027(pISSN)
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  • 2288-4548(eISSN)
한국추진공학회 (The Korean Society of Propulsion Engineers)
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플라즈마 풍동의 초음속 마하 디스크 특성

Supersonic Mach Disk Characteristics in a Plasma Wind Tunnel

  • Chinnaraj, Rajesh Kumar (Aerospace Engineering Department, Chonbuk National University) ;
  • Oh, Philyong (High Enthalpy Plasma Research Center, Chonbuk National University) ;
  • Choi, Seongman (Aerospace Engineering Department, Chonbuk National University)
  • 투고 : 2018.06.18
  • 심사 : 2018.12.01
  • 발행 : 2019.02.01
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초록

0.4 MW 급 고 엔탈피 초음속 아크 가열 플라즈마 풍동에서 발생된 팽창 유동에 대한 기초연구를 실험적으로 완료하였다. 노즐 출구로부터의 마하 디스크의 직경과 위치는 전체 압력비가 200에서 30까지 측정되었다. 마하 디스크 직경과 위치에 대한 경험적인 상관관계는 실험결과와 매우 일치하는 결과를 얻었다.

A primary investigation on the underexpanded flow generated in a 0.4 MW class high enthalpy supersonic arc-heated plasma wind tunnel is conducted experimentally. The diameter and the position of the Mach disk from the nozzle exit is measured for overall pressure ratios ranging from 200 to 30. The empirical correlations for Mach disk diameter and position are determined which show very good agreement with experimental results.

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참고문헌

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