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以2007年的珠江水水温数据及当地室外空气干球温度数据为依据,对使用珠江水和空气作为热源的热泵进行了比较分析。结果表明,1-4月和10-12月期间气温较低,水源热泵蒸发温度比空气源热泵蒸发温度高5℃以上的时间占92.78%,水源热泵蒸发温度比空气源热泵蒸发温度高10℃以上的时间占60.37%,且珠江水温度比空气温度波动小,使用珠江水源热泵不会出现结霜现象,因此使用珠江水源作为热源的热泵要比空气源热泵有明显的优势。
Based on the 2007 Pearl River water temperature data and the local outdoor air dry bulb temperature data, a comparative analysis was made on the heat pump using Pearl River water and air as the heat source. The results show that the air temperature is low between January and April and from October to December, the water source heat pump evaporation temperature is 92.78% higher than the air source heat pump evaporation temperature, and the water source heat pump evaporation temperature is 10 ℃ higher than the air source heat pump evaporation temperature 60.37% of the time above, and the Pearl River water temperature fluctuations less than the air temperature, the use of the Pearl River water source heat pump does not appear frosted, so the use of the Pearl River water as a heat pump than the air source heat pump has obvious advantages.