Abstract
Constructing a solar house with a solar vacuum tube heat collector to produce hot water , and using hot water to drive the low-temperature floor heating system for heating. The test results indicate that the indoor average temperature (IAT) would be 7.62°C under the condition of no solar radiation and the outdoor average temperature (OAT) at 2.17°C, ,and then it carried on the heating compensation system, the IAT reaches to 16.35°C when setting the heating water flow is 0.1m/s ,inlet water temperature is 45°C,at 5°Ctemperature difference; When the average intensity of solar radiation is 62W/m2 and OAT is 5.15°C, the IAT is 12.74°C, at the same heating conditions , the IAT reaches 19.74°C by floor heating, and it can control the indoor temperature in a comfortable area ,so the floor heating system has a clear effect on the peak load shifting of house heating.
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