Development of a monte carlo method for numerical analysis on radiative energy transfer through non-grey-gas layer
✍ Scribed by Hiroshi Taniguchi; Kazuhiko Kudo; Maromu Otaka; Markus Sumarsono; Masakazu Obata
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 393 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0029-5981
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✦ Synopsis
An analytical method is developed to study the radiative energy transfer in a non-grey-gas layer by using a Monte Carlo method. The gas is composed of water vapour, carbon dioxide and nitrogen. The profiles of the monochromatic absorption coefficient of each component gas are calculated by using the Elsasser model and wide band model parameters derived by Edwards. The validity of this method is confirmed by comparing the results of the gas emissivity with the ones obtained from Hottel's chart. By using this method, radiative energy transfer is analysed through a one dimensional gas layer between two parallel solid walls with different temperatures. From the analyses, it is shown that the temperature profile in the gas layer is not properly estimated by using Hottel's gas-emissivity charts, though the net heat flux between the bounding walls is estimated properly.