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Preliminary Analysis of the Impact of Gas-Fired Heat Pump on Heating and Cooling Energy Consumption of a Library Building 燃气热泵对图书馆建筑供暖和制冷能耗影响的初步分析
本文对加拿大安大略省一座图书馆建筑的燃气吸收式热泵(GAHP)对供暖和制冷能耗的影响进行了初步分析。图书馆大楼安装了以氨水为工质的单效燃气吸收式热泵(GAHP)。从2012年至2014年的公用事业账单中收集能源消耗数据。利用室外干球温度在PRISM中进行线性回归分析。根据每加热度日和冷却度日能耗的建筑特征,以及GAHP的加热和冷却能力曲线,确定年度加热和冷却能耗和需求。与季节能效比(SEER)为14的传统冷却设备和年燃料利用率(AFUE)为76%的加热设备相比,GAHP加热和冷却的年能耗进行了比较。 结果显示,在使用GAHP供暖和制冷的三年中,能源消耗平均每年减少11.1%,能源成本减少22.7%,温室气体(GHG)排放减少9.7%。初步分析表明,GAHPs在加拿大供暖应用方面具有巨大潜力,当用于供暖和制冷时,这些应用可以净减少温室气体排放。引文:2018年冬季会议,伊利诺伊州芝加哥,会议论文
This paper presents a preliminary analysis of the impact of a gas-fired absorption heat pump (GAHP) on heating and cooling energy consumption of a library building in Ontario, Canada. A single effect gas-fired absorption heat pump (GAHP) that uses ammonia-water as the working pair has been installed at the library building. Energy consumption data from utility bills from 2012–2014 were collected. Linear regression analysis was conducted in PRISM using outdoor dry bulb temperature. The building characteristics in terms of energy consumption per heating degree day and cooling degree day were used along with the heating and cooling capacity curves of the GAHP to determine annual heating and cooling energy consumptions and demands. The annual energy consumptions for heating and cooling of the GAHP were compared with conventional cooling equipment having seasonal energy efficiency ratio (SEER) of 14 and heating equipment having annual fuel utilization efficiency (AFUE) of 76%. Results show an average annual reduction of 11.1% in energy consumption, 22.7% reduction in energy cost and 9.7% reduction in greenhouse gas (GHG) emissions for the three years when GAHP is used for both heating and cooling. Preliminary analysis shows that GAHPs have great potential for heating applications in Canada and these could operate with a net reduction of greenhouse gas emissions when used for both heating and cooling.
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