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Applied Research on Ground Source Heat Pump System in Weifang Region

Author: WangMeiYan
Tutor: ZhaoDaJun；YuJingJie
School: Jilin University
Course: Architecture and Civil Engineering
Keywords: ground source heat pump applied research Weifang region design construction operational analysis
CLC: TU831
Type: Master's thesis
Year: 2010
Downloads: 310
Quote: 1
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Abstract


With the development of economy,energy played a more and more important part in the life.People paid more attention to green and low-carbon energy when the Earth’s resource declined dramatically.Ground source heat pump was evey competitive because it was effective,clean and save energy.It was widely used because the government’s preferential policies.Ground source heat pump was a technology which maked use of the shallow geothermal energy resourc.It indicated that the temperature where it was about 10 meters under the surface of the earth is not affected by temperature of atmosphere.The temperature would raise 3 degree every 100 meters.By consumption little electric energy,ground source heat pump collected the shallow geothermal energy resource and gained more than 4 times of energy which was consumed.It can be heated in winter(cooled in summer)and,supplied hot water.Ground source heat pump can be divided to Ground Heat Exchanger System, Groundwater System and Surface Water System according to its source of energy.In Weifang region,it appeared first in 2006.By the end of 2009,there had been 23 projects,more than 1761.6 thousands m 2, it was 7 projects,more than 754.6 thousands m2 , that adopted ground heat exchanger system.This subject researched the application of ground source heat pump system in Weifang region by surveying buildings which applied technology of ground source heat pump system and analyzing the geological condition,earth temperature and thermophysical properties.The subject finished design verification of ground source heat pump,analysis of construction and performance.The paper put forward some positive suggestion for its optimum design,and provided a valuable report for its popularization.The main results were as follows: 1、It maked sure the suitable conditions and parameters of ground source heat pump technology by analying the geological condition,the earth temperature and thermophysical properties in Weifang region.2、It finished the design of ground source heat pump system of 27# building for teachers of Shandong Vocational College of Science & Technology.It designed the type and length of the heat exchanger,numerical measure and spacing interval of the well and the indoor equipments.3、It finished the trace and analysis of the entire construction design of ground source heat pump system of 27# building for teachers of Shandong Vocational College of Science & Technology especially some major project.Such as backfill project,hot melt project and so on.It supplied comprehensive reference material for others.4、It analyzed the performance of ground source heat pump technology. Comparing with the traditional heating methods which was high in investment and low in running costs,especially in cooling,its advantage was prominent.There were two objects according to the introduction of this paper about the application of ground source heat pump technology in Weifang region.On the one hand,it can be as the reference for the engineer whether he was professional.On the other hand,it can provide the information for the formulation of the relevant standard.The author hoped this paper was useful in the construction、management and application of ground source heat pump technology.

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CLC: > Industrial Technology > Building Science > Housing construction equipment > Air-conditioning, heating, ventilation,and its equipment > Air-conditioning
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