The results from this paper provide a reference for the thermodynamic performance evaluation on the basic heat transfer process through a duct and enhancement in double sides of duct.
结果和方法对进一步完善基本对流换热过程的热力学评价具有一定的意义，同时为换热管双侧强化传热时性能的评价提供理论基础。
The substructure boundary element-transfer matrix method is presented for duct system of greater length or mufflers with complex geometry.
对于较长或具有复杂形状的管道及消声器，提出了子结构边界元——传递关系矩阵法。
On the base of both consideration of heat transfer performance and resistance, the optimization and research are carried out on single spiral duct double pipe condenser.
本文在综合考虑传热性能和摩擦阻力等因素的基础上，对单螺旋槽套管式冷凝器的结构进行了优化和研究。
The heat transfer and characteristics of the fluid flow in the duct with waist-shaped pin - fin arrays for the trailing edge of the turbine blade were experimentally investigated.
本文对涡轮叶片尾缘中具有束腰结构扰流柱的冷却通道的传热和流动阻力特性进行了实验研究，重点研究了雷诺数、扰流柱的束腰比以及不同组合的影响。
Based on the measured data, practical equations for calculation of the ventilation duct heat transfer are also derived through regression analysis.
通过对实测数据的回归分析，确定了胶皮风筒传热系数实用计算关系式。
In installation process, the duct USES fast connecting kits, making the installation, upgrading and equipment transfer more convenient and faster.
在安装过程中，管道用快速连接套件，使得安装、升级和设备转移更加便捷。
The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.
并用声学传递矩阵方法建立了柴油机源特性，管内声场与管口辐射噪声的关系。
A quasi-three-dimensional model was developed to simulate earth-to-air heat exchange process in underground duct system(UDS), which ignores heat transfer in the earth in the direction of air flow.
提出准三维土壤—空气传热传质模型，对地道通风系统内空气与土壤之间的热物理过程进行数值模拟。
An experimental study has been carried out for the forced convection heat transfer in non-Newtonian fluid in a small scale square duct at low Reynolds Numbers.
对非牛顿流体在小尺寸方形通道内的低雷诺数受迫对流传热进行了实验研究。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
研究表明，流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
The heat transfer and characteristics of the fluid flow in the duct of the trailing edge of the turbine blade with parted pin-fin arrays were experimentally investigated.
本文对具有断裂结构扰流柱的涡轮叶片尾缘楔型通道的流动与换热过程进行了实验研究。
Simplified analysis on a single fiber fin in the duct flow demonstrates that the heat transfer can be enhanced with the increasing length-to-diameter ratio and thermal conductivity ratio.
对单根纤毛肋进行的简化理论分析表明纤毛长径比和肋材与流体的导热系数比越大其强化换热作用越好。
The correctness of using periodic unit duct model to simulate the shell-side flow and heat transfer is confirmed for the first time, when using the corrugated tube.
本文首次验证了纵流壳程换热器选用波纹管作为换热元件采用单元流道模型对壳程进行数值模拟的正确性，同时验证了数值模拟结果的正确性。
Suitable for Petrochemical, Mining, Vessels, Boilers, Piping and Duct, Pumps and Valves, Flanges, for Steam, mineral oils, heat transfer oils, hydraulic oil, fuel, water, seawater, freshwater etc.
广泛应用于石化、矿业等的容器、锅炉、管道及泵、阀和法兰上。适应蒸汽、矿物油、变压器油、液压油、燃料、清水、海水等。
Suitable for Petrochemical, Mining, Vessels, Boilers, Piping and Duct, Pumps and Valves, Flanges, for Steam, mineral oils, heat transfer oils, hydraulic oil, fuel, water, seawater, freshwater etc.
广泛应用于石化、矿业等的容器、锅炉、管道及泵、阀和法兰上。适应蒸汽、矿物油、变压器油、液压油、燃料、清水、海水等。
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