Application of soldered finned tube to convection section of high hydrogenation heater in refinery is proved to be safe and reliable through industrial practice.
工艺应用实践表明，钎焊翅片管应用于炼油厂高压加氢加热炉对流段是安全可靠的。
The burst part in convection section of a tube of F108 cracking furnace in alkene factory, Liaoyang Petrochmical Company, was analyzed.
针对辽阳石化分公司烯烃厂f 108裂解炉对流段炉管爆裂破坏进行了分析。
This makes the convective heat transfer coefficient of the stainless steel tube is larger than that of the convection heat transfer coefficient of the copper tube.
这就使不锈钢管的对流放热系数比铜管的对流放热系数大。
The chemical cleaning method of convection section tube for hydrogen manufacturing furnace was recommended.
介绍了制氢炉对流段炉管的化学清洗方法。
Three-dimensional physical and mathematical models for the coupled heat transfer of natural convection in a liquid pool with heat source and forced convection in cooling coil tube are established.
建立了含内热源的液池内自然对流与冷却盘管内强制对流耦合传热的三维物理、数学模型，进行了相应的数值模拟计算。
In the long-term operation of atmospheric and vacuum heat furnace that use vacuum heavy oil as fuel, thesurface of nailhead furnace tube in the convection chamber was seriously deposited.
以减压渣油为燃料的常减压加热炉在长期生产运行过程中，对流室钉头炉管表面结垢严重。
Roller squeezer heating can be quartz tube or infrared tube, and also can equipped with convection system.
辊压加热可选石英管加热和中波红外辐射管加热，并可配备加热对流搅拌系统。
The result of numerical simulation for single tube, will lead to great error, neglecting transverse convection and variable film thickness, being lack of experimental test.
数值模拟主要针对单管，数学模型一般忽略横向对流和膜厚变化，结果缺乏必要的实测数据的验证，直接用于实际机组的设计会带来比较大的误差。
The experimental results indicate that free convection caused by the buoyancy in the heated tube with natural circulation has great influence on the heat transfer characteristics.
实验结果表明，自然循环工况下上升加热段内工质的物性变化及由浮升力引起的自由流动对对流传热特性有重要影响。
If there is a bulk mixing of the layers of gas in the tube by mechanical stirring or because of a density gradient, mass transfer occurs primarily by the mechanism of forced or natural convection.
如果是受到机械式的搅拌或者是密度梯度发生了变化而使得管中有大量的分层的气体，那么传递就主要通过强制对流或自然对流而发生。
Numerical calculations for the conjugate problem of in-tube convection and tube wall conduction were conducted on the basis of the experimental measurements using the FLUENT code.
论文采用FLUENT通用软件对实验工况下的管内对流换热与固壁导热的耦合问题进行了数值模拟。
The radiation between the cell tube and the air feed tube and heat transfer by convection and conduction are also included in this model.
在传热模型中，除了考虑传导和对流换热外，本文也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction was also included in this model.
在传热模型中，除考虑传导和对流换热外，也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction were also included in this model.
在传热模型中，除了考虑传导和对流换热外，也考虑了电池和空气进气管之间的辐射换热。
Convection heat transfer of CO2 at supercritical pressures in a vertical tube at low re was investigated experimentally and numerically.
本文对竖直圆管中超临界压力二氧化碳在低雷诺数条件下的对流换热进行了实验研究和数值模拟。
Local convection heat transfer coefficient decreases along the micro-tube by 12.5% for the influence of thermal conductivity of liquid nitrogen.
微通道中局部对流换热系数受到液氮导热系数变化的影响沿管程逐渐下降约12.5%。
Convection heat transfer of supercritical CO2 in a vertical sintered porous tube was investigated experimentally.
本文对超临界压力二氧化碳在烧结多孔介质的竖直圆管中的对流换热进行了实验研究。
The receiver with a vacuum tube can greatly reduce the heat loss caused by surface convection, and hence the heat transfer efficiency can be improved effectively.
而太阳能集热器用真空管作为接收器，可以大大减小接收器外表面的散热损失，可以显著提高集热器的集热效率。
As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.
结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。
This paper offers the measured distribution of the surface temperature of horizontal finned tube along the circumference in natural convection heat transfer.
实测了水平肋片管在自然对流换热条件下圆管表面温度在圆周方向上的分布。
The convection heat transfer in gas flow normal to clean tube Banks has been investigated and calculation methods proposed by various investigators have been analyzed and compared.
本文研究了气体横向冲刷清洁光管管束时的对流换热过程，分析比较了许多研究者提出的各种计算方法。
The characteristic of convection-condensing heat transfer of wet flue gas in a vertical tube was introduced and it was studied experimentally.
本文介绍了含湿混合气体在垂直管内对流冷凝换热的特点，并对其进行了实验研究；
The characteristic of convection-condensing heat transfer of wet flue gas in a vertical tube was introduced and it was studied experimentally.
本文介绍了含湿混合气体在垂直管内对流冷凝换热的特点，并对其进行了实验研究；
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