Based on the heat conduction theory , the fea theoretical formulas of temperature field and thermal stress are deduced in this paper 本论文从热传导理论出发,推导出温度场和温度应力的有限单元法理论公式。
The variation of thermal insulation of wet cotton fabric is studied based on the theory of heat transfer through plane wall in chemical thermodynamics 根据化工热力学中平壁热传导理论,研究了润湿棉织物热胆的变化。
Through applying thermodynamics theory , it is concluded that the heat conductivity of steel - fiber concrete is superior to normal one 根据热传导理论对数据进行分析,得出了钢纤维混凝土有较好导热性以及钢纤维混凝土的早期抗变形能力要强于普通混凝土的结论。
Based on the theories of fluid mechanics and heat transfer , a new way of semi - sealing tube combined with a structure of heat disturbing , distributing , and isolating is created 根据流体力学和热传导理论,设计了解决这一问题的半封闭式炉管结构氧化方法和相关的匀流隔热散热装置。
Analyzing the sintering theory of nano material and the heat conduction theory of laser machining , the mathematic model of grain size growth of nano material in laser sintering is built 在分析纳米材料已有烧结理论的基础上,结合激光加工中有关热传导理论,建立了纳米材料在激光作用下晶粒尺寸变化的数学模型。