提出冷冻干燥升华过程主要由传热控制和传质过程两阶段组成。
This paper proposed that there are two stages in sublimation process: the heat transfer controlled stage and the mass transfer controlled stage.
认为番茄冻干过程为传热控制，建立了辐射边界的准稳态模型，利用该模型可以较准确的预测升华干燥的时间。
The freeze drying model on the basis of heat transfer processes for tomatoes subject to radiation boundary conditions was founded to predict the time of sublimation dehydration.
推导了界面上具有耦合传热时的控制体离散方程序，界面上的辐射热流以附加源项的形式出现在离散方程中。
The discretion equation was derived for the control volume with conjugate heat transfer at its interface, with the radiation heat flux at the interface appearing as an additional source term.
通过控制方程的相似律分析，可预言混合对流传热由阿基米德数和几何因子控制。
With similarity considerations on governing equations, the heat transfer of mixed convection can be predicted to be controlled by Archimedes number and geometric factors.
在传热传质实验中经常存在多个热力参数的控制问题。
There is a problem of controling multiple thermal parameters in heat and mass transfer experiment.
这对于生物质传热和激光加工过程中温度的控制有重要意义。
It is very important for temperature control during biological heat transfer or laser process.
使用性能合适的保护渣可以改善结晶器内初始坯壳的传热条件，控制表面裂纹的产生。
The heat transfer conditions in initial shells in mould can be improved and the surface cracks can be controlled by using good workability powders.
微波处理材料的优点是传热快、体积加热和选择性加热、无环境污染和容易自动控制。
The major advantages of microwave used for material processing are rapid heat transfer, volumetric heating and selective heating, pollution-free environment and automatic control.
宏观集中控制装置以水为传热媒质，通过特制换热器给芯片提供聚合酶反应所需的基本温度；
The cardinal temperature that PCR chips need is controlled by macroscopic control device, in which water as heat medium is pumped through a special heat exchanger.
该方法可根据过程控制机采集的现场工作数据，实时地计算出蒸发器的传热系数。
By using this method and the operation data collected by the process control computer, the heat transfer coefficients will be achieved in real time.
管外介质温度作为控制函数出现在传热方程的第三边界条件中。
The temperature of the medium out of the pipe, as a control function, occurs in the third boundary condition of heat transfer equation.
因此，在沥青基炭纤维形成过程中，控制温度和传热速率是极为关键的。
Therefore, the control of both temperature and heat-transfer rate is extremely critical during the formation of pitch-based carbon fibers.
认为对物料的传热是生产过程中的主要控制因素，由于料层中温度梯度的存在，影响到物料床中不同层次分解的钴粉聚集长大过程。
The results show that the main factor is the heat transferring to the material, the conglomeration and growing of the cobalt powder on different material bed is effected by the temperature gradient.
试验表明内旋流流化床内的埋管传热特性更有利于控制燃烧和传热。
The heat transfer experimental characteristics of immersed pipe is very useful to control combustion and heat transfer.
通过控制和调节热气候风洞内的环境参数，分析了广州地区典型气候环境下佛甲草轻型种植屋面的传热过程。
Analyses the heat transfer process of the planted roof in hot-climate wind tunnel in the typical climate condition of Guangzhou by controlling the environment parameters in the wind tunnel.
对变域传热发汗控制理论的产生背景及其空气动力学机理和变域传热发汗理论的特点进行分析。
The developing background of variable domain transpiration cooling control theory, the mechanism of aerodynamics and its characteristics are analyzed.
不同的沸腾传热区域内起主导作用的沸腾传热机制是不同的，从而揭示了控制微尺度沸腾传热的统一规律。
The dominant boiling heat transfer mechanisms are different in different boiling heat transfer regions, and the unified law that controls the microscale boiling heat transfer was discovered.
本文认为毛细管的相变传热机理为液膜的导热和表面蒸发；表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
In this paper, it is believed that the heat transfer mechanism of phase change in a capillary tube belongs to liquid film conduction and surface evaporation.
该专业课程包括：电学基本原理、物理学、机械学、传热学、材料检测学、系统控制学以及其他相关学科。
Coursework includes the basics of electrical theory, physics, mechanics, heat transfer, materials testing, system controls, and other subjects.
本文就模压料在模具中加热过程和达到固化温度以后的传热过程进行定量分析，以确定合理的工艺控制参数。
In order to determine reasonable processing parameters, heating of thermosetting molding compound in the mold and that of heat transfer after curing temperature are analyzed.
用三维控制容积法推导了传热、导电的有限差分方程。
The finite difference equations was deduced using three dimensional control volume method.
本文根据现代控制论的状态空间原理，提出了一种计算多层壁传热反应系数的新方法。
In this paper, Based on the state space principle of modern control theory a new approach to calculating thermal response factors of multilayer walls has been proposed.
对比传统设备，该系统具有传热效率高、能量消耗低、干燥时间短和可靠性高等优点。工业生产中计算机控制干燥氢氧化铝设备可替代传统设备。
Compared with the traditional drying device, the new system has the advantages of high heat-transfer efficiency, low energy consumption, short drying time and high operating reliability.
根据锅炉启动过程中各个部件管内工质、管外烟气及汽包所遵循的流动传热方程，开发了控制循环与自然循环锅炉启动过程模拟程序。
A computer program is developed to simulate the start-up behavior of controlled-circulation and natural-circulation boilers on the basis of mass, momentum, and energy equations.
制作了一台样机及其控制系统，在蒸汽发生器传热管道群模拟平台上进行了实验，结果表明该样机性能达到了预期目标。
Experiment results of the prototype working on a simulation platform are provided, and the results indicate that the performance of the robot has met the requirements.
试验结果表明：在加热区中，试样与热装置之间的传热主要受热辐射控制。
The experimental result shows that heat radiation is the major means of heat transfer between the sample and the heating device in heated area.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
本文依据湍流边界层拟序结构理论的基础，研究湍流反馈控制模式，在湍流流场中输入控制，达到强化传热的目的。
The article is based on coherent structures of turbulent boundary layer theory, studies the feedback control model of turbulence, and inputs control system to get the enhancement of heat transfer.
使用本装置，不仅可以有效控制蒸发压力，提高蒸发器的传热效率，同时可以控制高压侧的压力。
Using the mechanism can control the evaporation pressure effectively, raise the heat transferring efficiency of the evaporator and control the pressure in the high-pressure side.
使用本装置，不仅可以有效控制蒸发压力，提高蒸发器的传热效率，同时可以控制高压侧的压力。
Using the mechanism can control the evaporation pressure effectively, raise the heat transferring efficiency of the evaporator and control the pressure in the high-pressure side.
应用推荐