本文采用Fluent对针翅管换热器进行了数值模拟研究。
The heat exchangers with pin finned tube have been simulated by means of FLUENT.
由于针翅管换热器内部结构的复杂性，以往的研究大都集中在实验研究上，在数值模拟方面的研究较匮乏。
Because of the complicated configuration of the heat exchangers with pin finned tube, previous studies focused on their experiments and there are no many researches on their numerical simulations.
为了考察这类翅片的性能特征，对9种不同几何参数的单排肋管式换热器样件在吸风式直流热风洞内进行了实验。
To investigate the performance characteristics of these fins, 9 single row finned tube heat exchangers sample were tested in a suction opened circuit thermal wind tunnel for a number of geometers.
通过实测的运行数据，对板翅式换热器和管式换热器的性能进行了对比。
Comparation on the performances of the plate-fin and tube heat exchanger is made according to the base datas from power plant.
第二部分为比较传统的管翅式换热器和微通道换热器在压缩冷凝机组中的应用。
Part Two compares the traditional tube-fin heat exchanger and the microchannel heat exchanger used in compressor condensing unit.
模拟结果表明，热管的管径，管长，管间距和翅片结构均影响热管换热器的换热效率和压力降。
The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.
H型鳍片管换热器是一种新的翅片型式的换热器，具有较高的强化传热能力和优良的不积灰性能，其应用日趋增多。
So it has great practical significance to study the heat transfer and friction characteristics of the H-type finned tube heat exchanger.
通过实测的运行数据，对板翅式换热器和管式换热器的性能进行了对比。
Evaluation methods to heat transfer enhancement performance in shell of shell and tube heat exchanger;
通过实测的运行数据，对板翅式换热器和管式换热器的性能进行了对比。
Evaluation methods to heat transfer enhancement performance in shell of shell and tube heat exchanger;
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