Energy Analysis of a Complementary Heating System Combining Solar Energy and Coal for a Rural Residential Building in Northwest China

Table 3

The heat loss coefficient of the storage tank.

Duration		/W/K	/W/K
2014-12-21	0:00–8:00	4.17	4.10
2014-12-26	0:00–8:00	4.70
2015-01-30	0:00–8:00	4.38
2015-02-11	0:00–8:00	3.77
2015-02-14	0:00–8:00	3.59
2015-02-15	0:00–8:00	4.01