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SUMMARY:GSHP application for Heating and Cooling at City Scale: Study on t
 he City of Westminster - Yi Zhang\, CUED
DTSTART:20141016T160000Z
DTEND:20141016T170000Z
UID:TALK54238@talks.cam.ac.uk
CONTACT:Anama Lowday
DESCRIPTION:Geothermal energy is an efficient low carbon solution for the 
 heating and cooling of buildings. For many megacities\, such as London\, t
 he amount of energy that can be stored in the urban local subsurface is gr
 eater than their annual heating and cooling demands. The ground source hea
 t pump (GSHP) system\, a shallow geothermal technology that provides heati
 ng and cooling for buildings by continuously replenishing the energy in th
 e subsurface\, has been used increasingly in recent years\, but its applic
 ation has been generally limited to single buildings. In this study\, a GI
 S-based simulation model was developed to estimate how many GSHPs could be
  installed at the city scale without losing control of the ground thermal 
 capacity and to evaluate the degree to which such a system can contribute 
 to the energy demands of the buildings in a city. The model was built by e
 mbedding a PYTHON-based GSHP design code into ArcGIS software and was tria
 lled on the City of Westminster as a case study under the following two sc
 enarios\; (a) boreholes are ‘under buildings’ and (b) boreholes are 
 ‘around buildings’. Under both scenarios\, the model produced borehole
  allocation maps and ratio of capacity to demand maps. In addition\, param
 etric studies have been conducted to analyse the influence of various fact
 ors on the ratio distribution.
LOCATION: Cambridge University Engineering Department\, Lecture Room 6
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