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This paper presents experimental studies on a solar-assisted ground coupled heat pump (SAGCHP) system for space heating. The system was installed at the Hebei Academy of Sciences in Shijiazhuang (lat. N38°03′, long. E114°26′), China. Solar collectors are in series connection with the borehole array through plate heat exchangers. Four operation modes of the system were investigated throughout the coldest...
This paper presents a new modular solar refrigeration and liquid desiccant air conditioning system composed by adsorption refrigeration system, liquid desiccant system and roof cold radiation. The feasibility and beneficial of this new system are analyzed from both the technical and the economic point of view. It is pointed out that its obvious beneficial can promote the commercialization of this...
Based on the prominent position of constructing resource conservation and environmental-friendly society in the industrialization and modernization developmental strategy, this paper compared the GSHP, radiant floor heating system, PCM for heat storage with its corresponding style, conceived a new energy system-GSHP radiant floor heating system with PCM for energy storage. This paper had analyzed...
In order to solve the electricity problem of residents in the single-family villa, while for the effective use of solar and wind energy, the paper give a run analysis of wind solar hybrid power generation system in villa, which is utilized to replace the using of electricity from state grid. The results showed that the off-grid wind solar hybrid power system can save grid power and reduce emission...
With the development of mining economy and the exploitation of mining technology, deep well mining has become a trend. The technical requirements of mine thermal environment are getting higher and higher. It can not effectively solve the problem of mining high-temperature by using the general cooling ways. With general ways, the system needs to consume a large amount of energy. At the same time by...
Using assistant cooling composite ground source heat pump system can reduce the initial investment and enhance the efficient of energy-savings. This paper introduces the climate and the overview of building energy consumption of hot summer and cold winter region; also analyses the feasibility of ground source heat pump system using assistant cooling equipment in this region. Taking a building in Shanghai...
Ground source heat pump for cooling-dominated commercial buildings may utilize supplemental cooling towers to reduce system first cost and to improve system performance. The use of hybrid ground source heat pump (HGSP) can reduce the size of the ground-loop heat exchanger. Degradation of the heat pump performance due to the excess heat in the ground can be avoided by offsetting the annual load imbalance...
Based on the analysis of energy-saving technologies in current telecommunication industry, the paper analyzed the energy-saving renovation of air conditioning in IDC plant in Langfang. The technologies including introducing fresh air directly and air heat exchanging with isolated type were compared. According to the load characteristic of the air conditioning in plant and outdoor climate conditions...
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