SPHERICAL SURFACE SYMMETRICAL EQUAL DIVIDING DISCRETE ORDINATES METHOD FOR RADIATIVE HEAT TRANSFER

LI Benwen; ZHOU Junhu; LI Jianhua; CAO Xinyu; CEN Kefa

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SPHERICAL SURFACE SYMMETRICAL EQUAL DIVIDING DISCRETE ORDINATES METHOD FOR RADIATIVE HEAT TRANSFER

更新时间：2025-12-10

- SPHERICAL SURFACE SYMMETRICAL EQUAL DIVIDING DISCRETE ORDINATES METHOD FOR RADIATIVE HEAT TRANSFER
- CIESC Journal Issue 6, (2002)
- 作者机构：
  
  1. 东北大学材料与冶金学院
  2. 浙江大学热能工程研究所
  3. 东北大学理学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 2002，
  
  Published：25 June 2002
- 稿件说明：
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LI Benwen, ZHOU Junhu, LI Jianhua, et al. SPHERICAL SURFACE SYMMETRICAL EQUAL DIVIDING DISCRETE ORDINATES METHOD FOR RADIATIVE HEAT TRANSFER[J]. CIESC Journal, 2002, (6).
DOI：

LI Benwen, ZHOU Junhu, LI Jianhua, et al. SPHERICAL SURFACE SYMMETRICAL EQUAL DIVIDING DISCRETE ORDINATES METHOD FOR RADIATIVE HEAT TRANSFER[J]. CIESC Journal, 2002, (6). DOI：

摘要

基于优化计算几何原理

提出了球面微元对称等分 (sphericalsurfacesymmetricalequaldividing

SSDN)离散坐标方法 .经双动量矩检验计算及有精确解的辐射换热计算

与传统的、精度较高的几种方法相比

SSDN 的精度较高

某些N取值的SSDN 方法精度甚至高于SN 方法 .关于计算迭代次数的比较表明

SSDN 方法更能节省计算时间

Abstract

Based on the optimum numerical geometry of a sphere

a new angular quadrature scheme named Spherical surface Symmetrical equal Dividing(abbreviated to SSD N ) was presented.The evaluations of double moment by SSD N and other traditional quadrature sets showed that the new SSD N could provide good accuracy and compared well with others such as the S N with the highest accuracy.Radiative heat transfer predictions in a black-walled rectangular enclosure containing absorbing-emitting medium indicated that

compared with S N

T N and SRAP N

the SSD N could give almost as high or even accuracy as the S N does under some order numbers N .The numerical experiments of iteration comparison higs lighted the feature of SSD N of computational economy.

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