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Transient Performances of a Two—Pass Gas—to—Gas Crossflow Heat Exchanger
引用本文:Song-Junxiao,Lin-Guiping,等. Transient Performances of a Two—Pass Gas—to—Gas Crossflow Heat Exchanger[J]. 热科学学报(英文版), 1998, 7(1): 67-70. DOI: 10.1007/s11630-998-0028-7
作者姓名:Song-Junxiao  Lin-Guiping  
作者单位:Institute of Air-Conditioning and Refrigeration,Beijing University of Aeronautics and Astronautics,Beijing 100083
摘    要:INTaoDUCTIoNThecrossllowgas-trtasheatexchngehasbeenwidelyusedinmanengineeringfields,suchastheenvironmDtalcontrosystemofaeroplanes.Itstransientbehaviourshavebecomemoreandmorebopor-ta-nttothedesignandtheperformanceofthewholesystem.Theinvestigationofthetransielltbehavioursisthefocusoftoday'sresearches.Bothnumericalll]andanalyticalmethodsl2]havebeenusedforthispurpose.Thenumericalmethodismoregenerala-ndcanbeusedfordifferentkindsofheatexchangersandworkingconditions,butitiscomplicatedandmoredriei…

关 键 词:热交换器  集中参数  瞬变现象
收稿时间:1997-09-15

Transient performances of a two-pass gas-to-gas crossflow heat exchanger
Junxiao Song,Guiping Lin,Xiugan Yuan. Transient performances of a two-pass gas-to-gas crossflow heat exchanger[J]. Journal of Thermal Science, 1998, 7(1): 67-70. DOI: 10.1007/s11630-998-0028-7
Authors:Junxiao Song  Guiping Lin  Xiugan Yuan
Affiliation:(1) Institute of Air-Conditioning and Refrigeration, Beijing University of Aeronautics and Astronautics, 100083 Beijing
Abstract:In this paper a lumped parameter model of a two-pass gas-to-gas crossflow heat exchanger with high speed air flow has been presented for the investigation of its transieat behaviours. The effects of both the changes of inlet temperature and flow rate on outlet temperature can be predicted with this model.The calculation results under typical conditions are compared with experimental results and good agreements are obtained.
Keywords:lumped parameter   transient performances   heat exchanger
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