역복사 해석을 위한 혼합형 유전 알고리듬에 관한 연구A Study on a Hybrid Genetic Algorithm for the Analysis of Inverse Radiation
- Authors
- 김기완; 백승욱; 김만영; 유홍선
- Issue Date
- 2003
- Publisher
- 대한기계학회
- Keywords
- Inverse Radiation Analysis; Hybrid Genetic Algorithm; Parameter Estimation; Irregular Geometry; Wall Emissivities; Finite-Volume Method; 역복사 해석; 혼합형 유전 알고리듬; 파라미터 추정; 비직교 형상; 벽면 방사율; 유한 체적법
- Citation
- 대한기계학회논문집 B, v.27, no.10
- Journal Title
- 대한기계학회논문집 B
- Volume
- 27
- Number
- 10
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/32025
- ISSN
- 1226-4881
- Abstract
- An inverse radiation analysis is presented for the estimation of the boundary emissivities for an absorbing, emitting, and scattering media with diffusely emitting and reflecting opaque boundaries. The finite-volume method is employed to solve the radiative transfer equation for a two-dimensional irregular geometry. A hybrid genetic algorithm is proposed for improving the efficiency of the genetic algorithm and reducing the effects of genetic parameters on the performance of the genetic algorithm. After verifying the performance of the proposed hybrid genetic algorithm, it is applied to inverse radiation analysis in estimating the wall emissivities in a two-dimensional irregular medium when the measured temperatures are given at only four data positions. The effect of measurement errors on the estimation accuracy is examined.
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