寒冷地区空气源热泵辅助太阳能热水器供暖性能
李金平, 董玉慧, 李彩军, 代静波, 牛轶男, NOVAKOVIC Vojislav

Performance of Solar Vacuum Tube Water Heater-Air Source Heat Pump System in Cold Area
LI Jinping, DONG Yuhui, LI Caijun, DAI Jingbo, NIU Yinan, NOVAKOVIC Vojislav
图16 多云时太阳能热泵切换到空气源热泵时热泵COP的变化
Fig.16 Change of COP when water switched to air on a cloudy day