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强迫对流换热冷却的产热体(火积)耗散率最小构形优化
  • ISSN号：0023-074X
  • 期刊名称：科学通报
  • 时间：0
  • 页码：2032-2039
  • 分类：TK123[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]海军工程大学船舶与动力学院,武汉430033
  • 相关基金：国家自然科学基金（10905093）、教育部新世纪优秀人才资助计划（NCET-04-1D06）和全国优秀博士学位论文作者专项资金（2001136）资助项目
  • 相关项目：换热过程和热机最优构型研究
作者： 肖庆华|陈林根|孙丰瑞|
关键词： (火积)耗散极值原理, 构形理论, 强迫对流换热, (火积)耗散率, 广义热力学优化
中文摘要：

应用（火积）耗散极值原理和构形理论,对强迫对流换热冷却的产热体进行构形优化设计,得到了基于（火积）耗散率最小的最优管间距和最优管道直径.结果表明,基于（火积）耗散率最小与最大温差最小的最优构形明显不同.对于前者,换热通道的体（火积）在整个产热体中最优占比为1/2;而对于后者,该占比越大越好.与后者的最优构形相比,前者的最优构形极大地降低了产热体的当量热阻,明显改善了产热体的整体传热性能.基于（火积）耗散极值原理时,传递相同热量（给定发热体的发热量）所需的传热温差是最小的,符合（火积）耗散极值原理的本质要求.

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换热过程和热机最优构型研究
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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792