The differencetemperature and air of indoor and outdoor, can affect the pressure distribution of the high-rise building and the smoke velocity.
不同室内外温差、火源位置、室外风等因素会对高层建筑中的压力分布，烟气运动速度产生不同程度的影响。
2
Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite differencetemperature model.
以傅里叶定律和能量守恒定律为基础，结合有限差分理论推导出有限差分温度计算模型。
3
The relations between bending angle of different shape of sheet section and time and differencetemperature were measured with displacement sensor and thermocouple.