|本期目录/Table of Contents|

[1]马景辉,汪辰,魏厚福,等.矩形直肋地埋管换热器换热特性模拟分析[J].浙江理工大学学报,2019,41-42(自科三):400-406.
 MA Jinghui,WANG Chen,WEI Houfu,et al.Simulation study on heat transfer characteristics of ground heat exchangers with radial rectangular fins[J].Journal of Zhejiang Sci-Tech University,2019,41-42(自科三):400-406.
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矩形直肋地埋管换热器换热特性模拟分析()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第41-42卷
期数:
2019年自科三期
页码:
400-406
栏目:
出版日期:
2019-06-23

文章信息/Info

Title:
Simulation study on heat transfer characteristics of ground heat exchangers with radial rectangular fins
文章编号:
1673-3851 (2019) 05-0400-07
作者:
马景辉汪辰魏厚福杨艺真
浙江理工大学建筑工程学院,杭州 310018
Author(s):
MA Jinghui WANG Chen WEI Houfu YANG Yizhen
School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
竖直地埋管换热器矩形直肋强化传热相关性分析
分类号:
TU83
文献标志码:
A
摘要:
为强化地源热泵系统竖直地埋管换热器换热性能,设计了一种矩形直肋地埋管换热器,建立了矩形直肋地埋管换热器地下传热模型,利用Matlab软件模拟分析了直肋地埋管结构参数、运行参数对单U型和双U型地埋管换热器换热性能的影响。结果表明:当入口水温32 ℃,流速0.6 m/s,埋深100 m时,8片直肋单U型与双U型PE地埋管的单位埋深换热量与光滑管相比,分别提高了19.12%和18.28%。根据矩形直肋地埋管各参数与单位埋深换热量的相关性分析,肋片高度和肋片个数对换热性能的影响最为显著。

参考文献/References:

[1] Lin Q L, Ma J H, Lei S. Study on finned pipe performance as a ground heat exchanger[C]// Proceedings of the 2nd International Conference on Materials Science, Energy Technology and Environmental Engineering. Zhuhai, Guangzhou. IOP Publishing Ltd, 2017:012120.
[2] Lee C, Park M, Nguyen T B, et al. Performance evaluation of closedloop vertical ground heat exchangers by conducting insitu thermal response tests[J]. Renewable Energy, 2012, 42(1): 77-83.
[3] BorinagaTrevino R, NorambuenaContreras J, CastroFresno D. How to correct the ambient temperature influence on the thermal response test results[J]. Applied Thermal Engineering, 2015, 82(3): 39-47.
[4] 王宏磊.土壤源热泵U型内肋埋管换热器传热特性竖直模拟[D].西安:西安科技大学,2011:47-48.
[5] 肖益民,刘希臣,张华廷,等.竖直地埋管换热器的结构改进与性能试验[J].哈尔滨工业大学学报,2015,47(2):92-97.
[6] 袁亚飞.土壤源热泵垂直埋管微肋换热器的强化换热性能研究[D]. 西安:长安大学,2017: 37-62.
[7] Ren C, Deng Y L, Cao S J. Evaluation of polyethylene and steel heat exchangers of ground source heat pump systems based on seasonal performance comparison and life cycle assessment[J]. Energy and Buildings, 2018, 162: 54-64.
[8] Hellstom G. Ground heat storage: Thermal analyses of duct storage systems[D]. Skane: University of Lund, 1991: 73-98.
[9] Eskilson P. Thermal analysis of heat extraction boreholes[D]. Skane: University of Lund, 1987: 8-12.
[10] 刁乃仁,曾和义,方肇洪.竖直U型管地热换热器的准三维传热模型[J]. 热能动力工程,2003,18(4):387-390.

备注/Memo

备注/Memo:
收稿日期: 2018-10-19
网络出版日期: 2018-12-29
作者简介:马景辉(1972-),男,山西太原人,副教授,博士,主要从事建筑节能、被动式建筑设计策略、空调系统优化控制等方面的研究
更新日期/Last Update: 2019-05-29