发布日期：2018-04-09 作者：地源热泵公司 点击：
神彩v81. Calculation of building cooling and heating load and underground heat exchange in winter and summer
The calculation of building cooling and heating load is the same as that of the conventional air conditioning system, which can be referred to the design manual of air conditioning system. The winter and summer underground heat exchange refers to the amount of heat released to the soil in summer and the amount of heat absorbed from the soil in winter.
Generally, the refrigerating capacity, heating capacity, refrigerating coefficient and heating coefficient of the water source heat pump units are given at different inlet and outlet water temperatures, and the COP1 and COP2 should be selected from the sample under the design conditions. If there is no required design condition in the sample, the interpolation method can be used.
2. Design of underground heat exchanger
This part is the core content of the soil source heat pump system design, mainly including the selection of underground heat exchanger and pipes, diameter, number, length and shaft spacing, pipeline resistance calculation and pump selection etc..
神彩v8Ground source heat pump design can generally follow the following principles:
神彩v8First, the horizontal buried pipe mode is considered; on the contrary, if the surface area is limited, the vertical U buried pipe mode should be adopted. The buried pipe is connected in series and parallel way, but the small diameter is adopted in parallel way, the initial investment and operation cost are low, so it is commonly used in practical engineering, and in order to keep the resistance balance between the parallel loops, it is best to design the same program.
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