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基于沸腾传热的柴油机耦合传热研究

王银 欧阳光耀 张萍 刘琦

舰船电子工程2016,Vol.36Issue(4):154-158,5.
舰船电子工程2016,Vol.36Issue(4):154-158,5.DOI:10.3969/j.issn.1672-9730.2016.04.041

基于沸腾传热的柴油机耦合传热研究

Coupled Heat Transfer of Diesel Engine Based on Boiling Heat Transfer

王银 1欧阳光耀 1张萍 1刘琦1

作者信息

  • 1. 海军工程大学动力工程学院 武汉 430033
  • 折叠

摘要

Abstract

Three kinds of typical boiling heat transfer models are demarcated by using a kind of forced convection super -cooling boiling experimental date in simple pipe .Results indicate that the divisional model has the highest precision in a large range of temperature for the subsection temper about the surface temprature .Based on divisional model ,the Tcri is forcasted using chang critical heat flow model ,and the critical heat flow is calculated .Coaple heat transfer system of diesel engine which consists of combustion in firebox ,heat exchange in cylinder head and convection heat transfer is set up .Results indi-cate that boling heat transfer can strengthen the heat tranfer efficiency between cylinder head and cooling water jacket .The maximum temperature on the surface of cooling water jacket is close to T OFDB but far away from T cri on the rated working con-dition ,indicating that the cooling system has large optimizied space .

关键词

柴油机/沸腾传热/耦合/临界热流

Key words

diesel engine/boiling heat transfer/coupling/critical heat flux

分类

化学化工

引用本文复制引用

王银,欧阳光耀,张萍,刘琦..基于沸腾传热的柴油机耦合传热研究[J].舰船电子工程,2016,36(4):154-158,5.

基金项目

海军工程大学校基金项目(编号HGDQNEQJJ15007)资助。 ()

舰船电子工程

OACSTPCD

1672-9730

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