The thesis does some research on d045 - 35 / 15g finned - pipe evaporator , which is produced by dalian bingshan corporation 本文的研究对象是大连冰山集团提供的d045 - 35 / 15g型翅片管蒸发器。
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。
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 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。
The components of this system are a cross - flow finned - tube evaporator , cross - flow finned - tube gascooler , a reciprocation compressor , a gas - liquid seperator , a double pipe internal heat exchanger and a throttling valve 系统由一个叉流翅片管式蒸发器、一个叉流翅片管式冷却器、一台往复式压缩机、一个气液分离器、一个套管式回热器、一个节流阀组成。
Finned tube is welded the finned helix pieces on the smooth tube , expanding 4 ~ 10 times of the heat transfer surface , highly elevated the heat - transfer coefficient of the tube to reach the purpose of rapid , efficient heat transferring 翅片管是在钢管外表面焊上螺旋型翅片，扩展外表面传热面积4 10倍，大幅提升管子的传热系数，达到高效快速传热的目的。
In order to investigate the reason that the convection pipes cracked , the cracked pipes were also examined by physical and chemical methods and analyzed by the finite element method after macro appearances were studied in this paper 本文对发生开裂失效的翅片管进行了宏观形貌分析及理化检验，并对翅片管模型进行了有限元计算，通过综合分析翅片管发生开裂失效的原因。
