The effects of ground heat exchanger parameters changes on geothermal heat pump performance – A review
作者： Younes Noorollahi , Reza Saeidi , Mohammad Mohammadi , Ali Amiri , Mehdi Hosseinzadeh
DOI: 10.1016/J.APPLTHERMALENG.2017.10.111
关键词: Plate heat exchanger 、 Mechanics 、 Heat spreader 、 Geotechnical engineering 、 Coefficient of performance 、 Geothermal heat pump 、 Plate fin heat exchanger 、 Heat transfer 、 Micro-loop heat pipe 、 Heat pipe 、 Engineering
摘要: Abstract Ground source heat pumps are known as a high-efficiency renewable energy heating and cooling system. The ground exchanger (GHE) plays an important role to achieve higher coefficient of performance in GSHP GHE technology has very well significant research been done over the last decades. aim this paper is overview previous on various parametAli Amiriers improve efficiency their effect factors such type, exchange rate, outlet temperature, pressure loss, thermal resistance, interference, conductivity, soil thermo-economic etc. According effective parameters, divided into three parts. first part dedicated inside pipe parameters (velocity, inlet temperatures working fluid). including diameter, pitch, center-to-center distance, arrangement material reviewed second part. Outside length, borehole depth backfill third It concluded that, inlet-temperature circulating fluid velocity, distance vertical pitch for spiral and, conductivity material, have greatest impact increasing system compare other parameters.
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