The paper mainly describes the design , optimization , simulation and the parametric drawing of air - cooled plate - finned - tube evaporator 本文主要阐述了风冷翅片管式蒸发器的设计、优化、仿真与参数化绘图。
Under the guidance of the above method , the type of hampson heat exchanger for mixed - refrigerant j - t coolers is designed . 3 阐述了混合工质热交换器的设计方法，对翅片管绕管式换热器( hampson型)进行初步设计； 3
The operation efficiency for the improved device shows that the service life is 2 times of unimproved exchanger with a high operating stability 改造后的运行效果表明，纵向翅片管式换热器的使用寿命是改造前的2倍，且运行平稳。
The finite element solutions of natural frequencies of low - finned tube were obtained in four - constraint mode by simulating work condition of tube in heat exchanger 采用共振法对低翅片管在上述四种约束模态下的固有频率进行实验测试。
Finally , three foundational principles are presented for the optimal design of the fin system with lower flow resistance and higher heat transfer rate 在此基础上，提出并理论证明了低阻力高传热的翅片结构的优化设计应遵循的三个基本原则。
In addition , the effect of several parameters including the type of the blast , the spacing of fins , and the fin thickness on the frost performance was discussed 讨论了改变风机类型、翅片间距以及翅片厚度在内的几种设计参数对结霜性能的影响。
A forced convection finned tube exchanger model with constant blast volume was constructed and its reliability was confirmed by the performance test 摘要建立了恒流条件下的强制对流翅片管式换热器的结霜模型，并用实验结果验证了模型的可靠性。
The machine designed for expanding tubes inserted into the fin parcel , in order to get a compact coil and thus obtain thermal exchange 产品说明:该机是管片式热交换器的散热片与换热管的涨接设备，经涨管后，使管、翅片紧密涨接为一体以达到较高的热交换率。
The finite element model was made by considering the influence of fins geometry , radius at the bottom of the fins , and the rate of length to outer diameter of tube 模拟低翅片管在换热器中的工作状态，得到低翅片管在四种约束模态下固有频率的有限元计算值。
It is shown that the fin efficiency , air flow - rate , and fin performance are significantly decreased while pressure of the air side is increased when frosting occurs at the exchanger 研究发现，换热器结霜引起了翅片效率、空气流通率及翅片性能的显著降低，同时还伴随着空气侧压力降上升。
