Modeling and experiments on energy loss in horizontal connecting pipe of vertical ground source heat pump system

Applied Thermal Engineering

Volumn 61, Issue 2, 2013, Pages 55-64

  Luo, Jin ^a   Rohn, Joachim ^a   Bayer, Manfred ^b   Priess, Anna ^a  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

^b T V Rheinland Industrie Service GmbH   (Germany)

Author keywords

Energy loss; Ground source heat pump system; Horizontal connecting pipe; Pipe burial depth Heat carrier fluid; Pipe insulation

Indexed keywords

BOREHOLE HEAT EXCHANGERS; BURIAL DEPTHS; CURRENT ESTIMATION; DESIGN AND IMPLEMENTATIONS; FLUID CIRCULATION; FLUID TEMPERATURES; PIPE INSULATION; THERMAL EFFICIENCY; HEAT CARRIERS;

COMPUTER SIMULATION; GEOTHERMAL HEAT PUMPS; HEAT PUMP SYSTEMS; NUMERICAL MODELS; ENERGY CONSERVATION; ENERGY DISSIPATION; INSULATION; PUMPS;

ENERGY DISSIPATION; GEOTHERMAL HEAT PUMPS;

EID: 84882783499     PISSN: 13594311     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.applthermaleng.2013.07.022     Document Type: Article

References (18)

1. D. Pahud, and B. Matthey Comparison of the thermal performance of double U-pipe borehole heat exchangers measured in situ Energy and Buildings 33 5 2001 503 507 (Pubitemid 32196563)
2. H. Yang, P. Cui, and Z. Fang Vertical-borehole ground-coupled heat pumps: a review of models and systems Applied Energy 87 1 2010 16 27
3. J. Bose, M.D. Smith, and J.D. Spiter Advances in ground source heat pump systems- an international overview Proceedings of the Seventh International Energy Agency Heat Pump Conference, Beijing 1 2002 313 324
4. S. Gehlin Thermal Response Test: In Situ Measurements of Thermal Properties in Hard Rock Licentiate thesis 1998 Lulea University of Technology Sweden
5. V. Wagner, P. Bayer, M. Kübert, and P. Blum Numerical sensitivity study of thermal response tests Renewable Energy 41 0 2012 245 253
6. H.Y. Zeng, N.R. Diao, and Z.H. Fang Heat transfer analysis of boreholes in vertical ground heat exchangers International Journal of Heat and Mass Transfer 46 23 2003 4467 4481
7. J.C. Choi, J. Park, and S.R. Lee Numerical evaluation of the effects of groundwater flow on borehole heat exchanger arrays Renewable Energy 52 2013 230 240
8. H.J. Wang, C.Y. Qi, H.P. Du, and J.H. Gu Thermal performance of borehole heat exchanger under groundwater flow: a case study from Baoding Energy and Buildings 41 12 2009 1368 1373
9. P. Eskilson, and J. Claesson Simulation model for thermally interacting heat extraction boreholes Numerical Heat Transfer 13 1988 149 165 (Pubitemid 18592985)
10. R. Al-Khoury, and P.G. Bonnier Efficient finite element formulation for geothermal heating systems, part II: transient International Journal for Numerical Methods in Engineering 7 5 2006 725 745 (Pubitemid 44083759)
11. H.J.G. Diersch, D. Bauer, W. Heidemann, W. Rühaak, and P. Schätzl Finite Element Formulation for Borehole Heat Exchangers in Modeling Geothermal Heating Systems by FEFLOW. WASY Software FEFLOW White Paper 5 2010 5 96
12. A.C. Chiasson, S.J. Rees, and J.D. Spilter A preliminary assessment of the effects on gorund-water flow on closed-loop ground-source heat pump system ASHRAE Transactions 106 1 2000 380 393
13. H.J.G. Diersch Discrete Feature Modeling of Flow, Mass and Heat Transport Processes by Using FEFLOW, WASY Software FEFLOW White Paper 1 2005 151 198
14. P. Rasouli Shallow Geothermal Modeling-numerical Verification of Shallow Geothermal Models Using FEFLOW 2010 Department of Enviroment Geosciences, University of Tübingen
15. H.J.G. Diersch, D. Bauer, W. Heidemann, W. Rühaak, and P. Schätzl Finite element modeling of borehole heat exchanger systems part 1 Fundamentals, Computer and Geosciences 2010 10.1016/j.cageo.2010.08.003
16. H.J.G. Diersch WASY software FEFLOW 5.3 User's Manual, Part I 2006 WASY GmbH Berlin 72 75
17. C. Heske, and A. Eber Bauvorhaben verwaltungsgebäude Fa. Ochs, Nürnberg, Planungsbericht zur Errichtung eines Erdwaermesondenfeldes Projekt-Nr.: 64587, Bericht-Nr.: 01 2008
18. P. Wu, G. Gan, A. Verhoef, P.L. Vidale, and R.G. Gonzalez Experimental measurements and numerical simulation of horizontal-coupled slinky ground source heat exchangers Applied Thermal Engineering 30 0 2012 2574 2583