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Case study the “GEOCOOL” heat pump system in UPV campus

Case study the “GEOCOOL” heat pump system in UPV campus. José M . Corberán Instituto de Ingeniería Energética Universidad Politécnica de Valencia. THE FIFTH FRAMEWORK PROGRAMME GEO COOL Geothermal Heat Pump for Cooling-and Heating along European Coastal Areas.

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Case study the “GEOCOOL” heat pump system in UPV campus

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  1. Case studythe “GEOCOOL” heat pump system in UPV campus José M. Corberán Instituto de Ingeniería Energética Universidad Politécnica de Valencia Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  2. THE FIFTH FRAMEWORK PROGRAMME GEOCOOL Geothermal Heat Pump for Cooling-and Heating along European Coastal Areas Project No: NNE5 – 2001 – 00847,July 2002 Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  3. THE FIFTH FRAMEWORK PROGRAMME GEOCOOL Geothermal Heat Pump for Cooling-and Heating along European Coastal Areas UPV UNIVERSIDAD POLITÉCNICA DE VALENCIA Spain GROHOL GROENHOLLANDHolland CIATESA Compañía Industrial de Aplicaciones Térmicas S.A. Spain AUTH Aristotle University of ThessalonikiGreece ENEA Ente per le NuoveTecnologie, l’Energia e l’AmbienteItaly AEDIE Asociación para la Investigación y la Diagnosis de la Energía Spain Duration: 3 years Feb. 2003 - 2006 Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  4. GEOCOOL OBJECTIVES Todesign, construct and demonstratea GSHP case system in orderto produce fair and rigorous data aboutthe: Energysavingpotential in comparisonto a realisticnowadaysalternativesystem Economic and technicalfeasibility of GSHP technology in ourarea Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  5. GroundSourceHE mainparameters BOREHOLE Configuration: 6 : 2 x 3, rectangle Borehole depth 50 m Borehole spacing 3 m Borehole installation SINGLE-U Borehole diameter 0.14 m U-pipe diameter 0.032 m U-pipe thermal conductivity 0.430 W/m·K(Polyethylene) HEAT CARRIER FLUID: Water HEAT PUMP: IZE70 + R290 (UPV-CIATESA) GROUND(test IN-SITU) Ground thermal conductivity 1.800 W/m·K Volumetric heat capacity 2.4MJ/m3·K Ground surface temperature 18.5 °C Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  6. Hydr.switch Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  7. GroundSource HE Backfilling: sand (course and fine) orsand/bentonite alternative use of spacers Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  8. GroundSource HE Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  9. GeoCool data acquisitionsystem • 44 sensors in theloop (PT100, coriolismassflowmeters and wattmeters) • Onsiteautomaticmeteorologicalstation w. 22 parameters • 1 min samplingduring 1 year Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  10. Internal hydraulic group Heat pump system Building Analysis of data Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  11. Instantaneousvalues GeoCoolizer • Cooling/Heating capacity • Absorbed/Transferred capacity from/to the ground • Instantaneous COP Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  12. GeoCoolizer Integratedoraveragedvalues • Heating and cooling load • Total energy absorbed/transferred from/to the ground - From 7 a.m to 10 p.m - The selected period (one week, all the season…) • Electric energy • Seasonal Performance Factor (SPF) Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  13. Dynamicbehaviour CoolingMode Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  14. Experimental results Systemperformance in heatingmode 3.46 COP – WW SPF – WW COP – AW SPF - AW 73 % SUMMER 2.00 Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  15. Two systems with the same heating load 42 Total electricitysavings Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  16. Heatingmode – Return WT SUMMER Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  17. Energydistribution in heating Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  18. COP and SPF in coolingmode 4.36 COP – WW SPF – WW COP – AW SPF - AW 60 % 2.72 Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  19. Two systems with the same cooling load Total electricitysavings Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  20. Coolingmode - Return WT Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  21. Energydistribution in cooling Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  22. JANUARY 2005-APRIL 2010

  23. SYSTEM OPTIMIZATION Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  24. OPTIMUM FLOW RATES: Coolingmode 20% 25% Pumpfreq. (Hz) Pumpfreq. (Hz) Bothpumps at samespeed 40% Pumpfreq. (Hz) Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  25. OPTIMUM FLOW RATES: Coolingmode Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  26. OPTIMUM FLOW RATES: Coolingmode Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  27. OPTIMUM FLOW RATES: Coolingmode Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  28. OPTIMUM FLOW RATES: Coolingmode Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  29. MODELLING WITH TRNSYS Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  30. TRNSYS MODEL Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  31. BUILDING THERMAL LOADS: Calculated vs. experiments Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  32. DAILY TEMPERATURES: Calculated vs. experiments Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

  33. Conclusions In heatingmode, GSHP saves, in terms of primaryenergyconsumption, 41% comparedtotheair towaterroof top system. In coolingmode a 38% savingwasobtained. Theimpact in electricityconsumption of theauxiliaryelements of the HVAC systemwasfoundtobelarge and shouldbetakenintoaccounttoimproveoverallsystemefficiency, Capacityadaptationstrategies are neededtoimprove load factor and efficiency of (both) systems. Improvedcontrol strategiesare beinginvestigated. Seminar: GSHP Systems of High Efficiency – The Ground-Med case study. Madrid, June 23, 2010 José M. Corberán

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