heat-transfer process造句

• According to the theory of engineering thermodynamics and phase change , heat - transfer process of the special working fluid heat - pipe stove is analyzed . some hypotheses are postulated and with the help of equation of mass - conservation , energy - conservation , the dynamic concentrative parameter model is built , the change of each parameter is prescribed at any stage from starting to stopping . with the thermodynamic calculation of burnable process , the parameter of device , such as heat - transfer coefficient / thermal efficiency etc , are achieved under steady state ; based on theoretic calculation , observing the actual running circumstance of the heating stove in person , with some performance comparison between the new and the old , the high efficiency and reliability of heat - pipe stove is proved , the project which expend it in the oil - filed is feasible
  对充入该工质的热管加热炉，本文根据工程热力学和相变传热学及相关知识，对其进行了传热分析，经过适当假设，运用质量守恒和能量守恒定律，建立了装置动态集中参数模型，描述了加热炉从开机到稳定运行这一动态过程各参数的变化情况，同时对燃烧过程也进行了热力计算，最终得到了稳态工况下装置的换热系数、热效率等热力参数；在理论计算的基础上，亲赴现场观察该炉的实际运行情况，通过与原有的加热炉的各项性能进行对比，最终证明新炉的高效性和可靠性，为其在油田中推广的可行性提供了依据。
• Through the analysis of heat - transfer process of the slab in reheating furnace , the numerical simulation of the temperature within the slab was carried out with the finite difference method , and an optimized mathematical model for heating - up process curve in a reheating furnace was given by using the flexible tolerance optimization method
  摘要通过对钢坯在步进式炉内传热过程的分析，采用有限差分方法对钢坯内温度进行数值模拟，用可变容差优化方法建立了钢坯最优加热数学模型。