Research onFlow DeadZonesin Shell Side ofShutter BaffleHeat Exchanger
[1]GUXin,HAO Jian-she,LIUMinshan,et al.Research onFlow DeadZonesin Shell Side ofShutter BaffleHeat Exchanger[J].Journal of Zhengzhou University (Engineering Science),2013,34(06):116-119.[doi:10.3969/j.issn.1671-6833.2013.06.028]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
34
Number of periods:
2013 06
Page number:
116-119
Column:
Public date:
2013-12-30
- Title:
- Research onFlow DeadZonesin Shell Side ofShutter BaffleHeat Exchanger
- Keywords:
- lowdead zone; residence time distribution; shutterbafile
- CLC:
- TQ051.5；TKl24
- DOI:
- 10.3969/j.issn.1671-6833.2013.06.028
- Abstract:
- In orderto grasp the distribution rule offlow dead zone in shell side of shutterbaffle heat exchanger，which is a newand high efficiency heat exchanger，the residence time distribution(RTD)datawas ob— tained and used to analysis by using CFD in this paper．The results showed that the size of flow dead zone in shell side of shutterbaffle heat exchangerwas reducedwith increase of Reynolds number．Thedistribution of flow dead zone wasinfluenced by assemble types of shutter baffles．When the shutter baffle symmetrical arrangement the size of flow dead zone is larger than that of CO—rotating at the same Reynolds number，and the size offlow deadzone ofshutterbaffle heat exchanger is less than that of baffle plate heat exchanger．When Re =5000、Re=10 000and Re=15 000，the dead zone in shell side ofshutter baffle heat exchanger with shutter baffle symmetricalarrangement are respectively 59．23％、49．08％、46．06％of that in baffle plate heat ex— changer，and the dead zone in shell side of shutter baffle heat exchanger with shutter baffle CO—rotating ar— rangement are respectively 29．94％、25．32％、19．80％of that in baffle plate heat exchanger．
- References:
-
[1]古新,董其伍,刘敏珊,等.导向型折流栅强化换热器壳程传热的数值模拟[J].核动力工程,2010,31( 2):113 - 117.[2]GADDIS E S，GNIELIMSKI V. Pressure drop on theshell-side of shell-and-tube heat exchangers with seg-mental baffles[ J]. Chemical Engineering and Process-ing，1997,36(2):149- 159.
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Last Update:
1900-01-01