Abstract
주기적으로 배열된 액체 로켓엔진의 연료 분사기 배열에 대한 3차원 열전달 수치해석을 수행하였다. 해석에는 SIMPLE 알고리즘을 사용한 유한체적법이 적용되었으며 2차원 후향 계단에 대해서 기존의 문헌과 일치하는 열전달 결과를 주었다. 분사기 요소 사이의 거리가 가까울수록 누셀 수와 압력강하가 증가하였다. 레이놀즈 수가 증가할 경우, 누셀 수는 증가 하였으며 무차원 압력강하는 약간 감소하였다. Three dimensional numerical heat transfer analysis was carried out against periodically arranged fuel injectors of the liquid rocket engine. A finite volume method based on SIMPLE algorithm was adapted which gave a good agreement with the published results of the heat transfer problem of a backward facing step. The Nusselt number and pressure drop increased as the distance between the injector elements decreased. When the Reynolds number increased, the Nusselt number increased but nondimensionalized pressure drop decreased slightly.
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