###
DOI:
有色金属工程:2018,8(6):-
←前一篇   |   后一篇→
本文二维码信息
巷道棚子支护对围岩传热影响研究
刘玉姣,高科,刘剑
(辽宁工程技术大学 安全科学与工程学院,辽宁工程技术大学 安全科学与工程学院,辽宁工程技术大学 安全科学与工程学院)
Study on effect of shed support on heat transfer of surrounding rock in roadway of coal mine
LIU Yujiao,GAO Ke and LIU Jian
(Liaoning Technical University,Liaoning Technical University,Liaoning Technical University)
摘要
图/表
参考文献
相似文献
本文已被:浏览 509次   下载 1
投稿时间:2017-07-22    修订日期:2017-10-10
中文摘要: 围岩散热在矿井热源中占有很大的比例,而棚子支护对巷道围岩传热产生一定的影响。利用数值计算方法,采用湍流模型Standard k-e,分析了在雷诺数25860~689600下棚子支护巷道的湍流传热、流阻及对巷道风流的影响。结果表明,棚子支护增大对流换热强度,加大壁面向巷道空间散热,随雷诺数的增大呈线性增强;巷道棚子支护扩大了温度梯度,使距离壁面0.75m处温度便显著增加,压差随雷诺数呈指数函数增加,而无支护压差呈直线增加。
中文关键词: 巷道  棚子支护  围岩  传热
Abstract:The heat dissipation of surrounding rock has a large proportion of mine heat source, while shed support has a certain effect on heat transfer of surrounding rock in roadway of coal mine. The heat transfer and flow structure characteristics have been obtained and compared with each other for the reynolds numbers of 25860~689600 by using numerical simulation with Standard k-e turbulence model. The study shows that the heat transfer intensity increases due to shed support, and heat radiation from wall to roadway space increases, which increases linearly with the increase of Reynolds number. Temperature gradient is expanded by roadway supporting, so that the temperature increases 0.75m away from the wall significantly. The pressure difference increases exponentially with the Reynolds number when there is shed support in roadway of coal mine, but the pressure difference increases linearly shed support doesn’t exist.
文章编号:     中图分类号:X936    文献标志码:
基金项目:国家自然科学基金(51404126, 51574142),辽宁省教育厅科学研究项目资助(LYJL003)。#$NL
引用文本:
刘玉姣,高科,刘剑.巷道棚子支护对围岩传热影响研究[J].有色金属工程,2018,8(6):.

我们一直在努力打
造,精品期刊,传
播学术成果

全国咨询服务热线
86-10-63299224

杂志信息

期刊简介

相关下载

联系我们

电话:86-10-63299224/63299153

传真:010-63299754

QQ:XXXXXXX

Email:ysjsgc@bgrimm.com

邮编:100160

地址:北京市南四环西路188号总部基地十八区23号楼

关注微信公众号