本文用热力学原理，导出了土壤热流计算公式。
This paper educed the soil heat flow calculating formula in thermodynamics principles.
综合实验结果得出多孔薄层表面上临界沸腾热流计算关联式。
A calculating equation of critical heat flux on the porous surface is gotten on the basis of the experiment.
计算得出，由于热流计测头的出现，对流换热系数的变化会给热流测量带来较大误差。
Conclusions can be drawn that changes of the convective heat transfer coefficients can bring error because of the appearance of heat flux sensors.
目前的热流计在测量热量时需要测量供热管道的流量以及进出口温度，然后再对其进行积分计算。
The flux and the temperature difference between inlet and outlet of the heat-supply system must be measured when measuring heat flux by heat meter, and then the result can be calculated.
目前的热流计在测量热量时需要测量供热管道的流量以及进出口温度，然后再对其进行积分计算。
The flux and the temperature difference between inlet and outlet of the heat-supply system must be measured when measuring heat flux by heat meter, and then the result can be calculated.
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