吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (02): 339-343.

Previous Articles     Next Articles

Analysis of temperature of underground heat exchanger and efficiency of heat pump with combined cooling and heating

QI Zi-shu1,2,3, GAO Qing1,3, LIU Yan1,3, YU Ming4   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2. School of Municipal and Environment Engineering, Jilin Architectural and Civil Engineering Institute, Changchun 130118, China;
    3. College of Automobile Engineering, Jilin University, Changchun 130022, China;
    4. College of Materials Science and Engineering, Jilin University, Changchun 130022, China
  • Received:2011-06-18 Online:2012-03-01 Published:2012-03-01

PDF (PC)

690

Abstract: A thermodynamic calculation model was built for the ground source heat pump based on the G-function theory of the underground heat exchanger. The basic performance of the underground heat exchanger and the heat pump, and the main differences between the combined cooling and heating mode and the single mode were studied. The thermodynamic parameters, such as the coefficient of performance of the heat pump, and the energy consumption were analyzed comparatively by calculating the borehole wall temperatures and the fluid temperatures at the inlet and outlet of the underground heat exchanger. Taking the severe cold region and the hot summer and cold winter region as examples, the effects of the combined cooling and heating, and the single cooling or heating on the temperatures of the underground heat exchanger and the efficiency of the heat pump were studied in combination with the cooling and heating load demands.

Key words: engineering thermophysics, ground source heat pump, combined cooling and heating, underground heat exchanger, coefficient of performance

CLC Number: 

  • TK529
[1] Gao Q, Li M, Yu M, et al. Review of deuelopment from GSHP to UTES 1h China and other countries［J］. Renewable and Sustainable Energy Reviews, 2009,13(6/7):1383-1394.

[2] 高青,李明,于鸣,等.间歇性地温恢复增强传热试验研究//中国工程热物理学会传热传质学术会议论文集,上海,2002.

[3] 王勇,刘宪英,付祥钊. 地源热泵及地下蓄能系统的实验研究［J］. 暖通空调,2003, 33(5):21-23. Wang Yong, Liu Xian-ying, Fu Xiang-zhao. Experiment of ground-source heat pump and underground energy storage system［J］. HV&AC,2003, 33(5):21-23.

[4] 于凤菊,丁良士. 动态负荷分布对土壤源热泵系统的影响//全国暖通空调制冷2004年学术年会资料摘要集(2),兰州,2004.

[5] 高青,李明,乔广,等.间歇过程地温恢复特性及其规律模拟计算分析［J］.热科学与技术,2004, 3(3):224-228. Gao Qing, Li Ming, Qiao Guang, et al. Restorative characteristics of ground temperature and simulation analysis of behavior［J］. Journal of Thermal Science and Technology,2004, 3(3):224-228.

[6] Spitler J D.GLHEPRO—a design tool for commercial building ground loop heat exchangers//Proceedings of the Fourth International Heat Pumps in Cold Climates Conference, Aylmer, Québec,2000.

[7] Yavuzturk C, Spitler J D. A short time step response factor model for vertical ground loop heat exchangers［J］. ASHRAE Transactions,105(2): 475-485.

[8] Michopoulos A, Kyriakis N. Predicting the fluid temperature at the exit of the vertical ground heat exchangers［J］. Applied Energy,2009,86:2065-2070.
[1] MENG Yu-bo, LI Pi-mao, ZHANG You-tong, WANG Zhi-ming. Inhibition of pressure fluctuation and multi-injection fuel mass deviation in high pressure common rail system [J]. 吉林大学学报(工学版), 2018, 48(3): 760-766.
[2] SUN Zheng, HUANG Yu-qi, YU Xiao-li. Numerical simulation of flow and heat transfer in journal bearing lubrication [J]. 吉林大学学报(工学版), 2018, 48(3): 744-751.
[3] MENG Yu-bo, ZHANG You-tong, WANG Zhi-ming, ZHANG Xiao-chen, FAN Li-kang, LI Tao. Couple hysteretic thermo-electro-mechanical performance of piezoelectric actuators for fuel injector [J]. 吉林大学学报(工学版), 2018, 48(2): 480-485.
[4] CUI Jin-sheng, HOU Xu-yan, DENG Zong-quan, PAN Wan-jing, JIANG Sheng-yuan. Measurement system and experiment study of the effective thermal conductivity of granular system in a vacuum [J]. 吉林大学学报(工学版), 2016, 46(2): 457-464.
[5] QI Zi Shu, GAO Qing, LIU Yan, BAI Li. Model calculation and analysis of operation condition of heat pump using earth energy system for years [J]. 吉林大学学报(工学版), 2015, 45(6): 1811-1816.
[6] ZHOU Xue-zhi, GAO Qing, YU Ming, ZHAO Xiao-wen, ZHU Tian-kui. Effect of aquifer structure on water temperature evolution in field of pumping and injecting wells [J]. 吉林大学学报(工学版), 2013, 43(01): 56-61.
[7] QI Zi-shu, GAO Qing, YU Ming, LIU Yan, BAI Li. Forecast and analysis of long-term operation of ground source heat pump system [J]. , 2012, 42(04): 877-881.
[8] Gao Yin-han，Chen Wang-feng，Cheng Peng，Li Zhen-lei，Chi Juncheng，Li Qiang3 . Twophase three dimension flow field simulation in a cyclone separator [J]. 吉林大学学报(工学版), 2008, 38(增刊): 85-0089.
[9] Li Zhong-jian,Zheng Mao-yu,Wang Fang . Optimization of irreversible fourheatsource absorption
refrigerator with finite heat capacity [J]. 吉林大学学报(工学版), 2008, 38(02): 283-0286.
[10] Jiang Yan, Gao Qing, Li Ming, Cui Shu-qin . Modeling for coaxial tubes underground heat exchanger
and analysis of heat transfer
 [J]. 吉林大学学报(工学版), 2007, 37(05): 1034-1038.
[11] Zhang Bao-yong，Wu Qiang，Wang Yong-jing . Reaction mechanism between surfactant and induction time of gas hydrate formation [J]. 吉林大学学报(工学版), 2007, 37(01): 239-244.
[12] Gao Qing，J D Spitler，Li Ming，Yu Ming，Qiao Guang. Underground thermal energy storage and its effect on ground source heat pump system [J]. 吉林大学学报(工学版), 2006, 36(04): 497-501.
[13] Bai Li, Yin Jun, Liao Zisheng. Heat supplying system by urban sewage heat energy based on platisticAlpipeimproved [J]. 吉林大学学报(工学版), 2006, 36(02): 269-0273.
[14] Cui Shuqin，Gao Qing，Li Ming，Jiang Yan. Underground heat transfer characteristics in discontinuous operation of GSHP and its control strategy [J]. 吉林大学学报(工学版), 2006, 36(02): 172-0176.
[15] GAO Qing, YU Ming, QIAO Guang, LI Ming, BAI Jin-yu. Underground temperature restoration characteristics and enhancement heat transfer in geothermal energy utilization [J]. 吉林大学学报(工学版), 2004, (1): 107-111.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
Copyright © Journal of Jilin University(Engineering and Technology Edition), All Rights Reserved.
Tel: +86-431-85095297　Fax: +86-431-85094074　E-mail: xbgxb@jlu.edu.cn
Powered by Beijing Magtech Co. Ltd