Unit OneHeating:供暖Air conditioning:空调Ventilation:通风CNG(compressed natural gas):压缩天然气LNG(liquefied natural gas):液化天然气Fuel cell:燃烧电池Combined cycle power generation:联合循环发电Unit Threeair temperature:空气温度 air humidity:空气湿度air velocity:风速 air cleanliness:空气洁净度heat transfer:传热 mass transfer: 传质heat conduction:热传导 heat convection: 热对流heat radiation: 热辐射heat source:热源(in winter) heat sink:热汇(in summer)heating:加热 cooling:冷却dehumidifying:除湿humidfying:加湿dust removal:除尘fresh air :新风natural ventilation: 自然通风mechanical ventilation: 机械风general ventilation:全面通风local ventilation:局部通风air-source/water-source/ground-source heat pump:空气源、水源、地源热泵Unit Fivetemperature difference 温差energy consumption 能耗 installation cost 安装费用running cost 运行费用two dimensional model 二维模型 heat source 热源air curtain 空气幕working medium 工作介质