대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제35권7호
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  • Pages.657-664
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  • 2011
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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몬테카를로 방법을 이용한 기체로 채워진 평판 사이의 마이크로 역열전달 해석

Inverse Heat Transfer Analysis Using Monte Carlo Method in Gas-Filled Micro-Domains Enclosed by Parallel Plates

  • 김선경 (서울과학기술대학교 제품설계금형공학과)
  • Kim, Sun-Kyoung (Dept. of Product Design Manufacturing Engineering, Seoul National University of Science and Technology)
  • 투고 : 2010.05.19
  • 심사 : 2011.04.13
  • 발행 : 2011.07.01
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초록

이 연구는 기체로 채워진 1 차원 평행 공간에서 경계 온도를 추정하는 역해석 기법을 제안한다. 평판사이의 거리는 마이크론 이하의 크기부터 1 밀리미터 까지를 고려한다. 한쪽 경계에서는 온도와 열유속이 동시에 활용 가능하지만 다른 경계에서는 아무런 측정이 불가한 상황을 가정한다. 한쪽 경계의 온도는 알려진 열유속과 온도를 이용하여 거꾸로 결정하여야 한다. 이 연구는 이 온도를 몬테카를로 모사를 통하여 산정하는 절차를 제안하였는데 직접 문제는 DSMC 를 사용하고 역문제는 모사 어닐링을 이용한다.

This study proposes an inverse method for estimating the boundary temperature in a gas-filled, onedimensional parallel domain enclosed by parallel plates. The distance between the plates is considered submicron to one mm. In the current method, it is assumed that the conditions of both heat flux and temperature are simultaneously applicable to one boundary, while no conditions are applicable to the other boundary The temperature on one of the boundaries should be inversely determined from the known temperature and heat flux on the other boundary. This study proposes a procedure for estimating the unknown boundary temperature through Monte Carlo simulation. Both the forward and inverse problems employ the Monte Carlo approach. The forward (direct) problem is solved by using the direct simulation Monte Carlo while the inverse solution is obtained by the simulated annealing.

키워드

참고문헌

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