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Steady-state thermal finite-element analysis of a microchannel CO2 evaporator.
Author(s) : ORTIZ T. M., GROLL E. A.
Summary
A finite-element model of a microchannel CO2 evaporator is presented. The overall modelling strategy appears sound based on favorable qualitative trends in calculated temperature and heat flux distributions within the evaporator. Calculations of the volumetric cooling capacity of the evaporator also follow expected physical trends. That is, refrigerant-side heat transfer coefficient has a negligible effect on volumetric capacity and air-side heat transfer coefficient, a thermal resistance two orders of magnitude larger, has a large impact, with capacity increasing almost directly as the air-side heat transfer coefficient.
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Details
- Original title: Steady-state thermal finite-element analysis of a microchannel CO2 evaporator.
- Record ID : 2002-0038
- Languages: English
- Source: Final proceedings of the 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Purdue.
- Publication date: 2000/07/25
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Indexing
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Themes:
Heat transfer;
CO2 - Keywords: Microchannel; Heat transfer; Steady state; Modelling; Miniaturization; Evaporator; Boiling; CO2
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- Date : 2000/09/18
- Languages : English
- Source: Selected issues on CO2 as working fluid in compression systems. Workshop proceedings.
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Unsteady heat transfer in the cross-flow heat e...
- Author(s) : KRAJCI I.
- Date : 2001/11/22
- Languages : English
- Source: Strojné inzinierstvo 2001. Zborník referátov z medzinárodnej konferencie./ Mechanical Engineering 2001. Proceedings.
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Experimental heat-transfer coefficients of CO2 ...
- Author(s) : ZHAO Y., OHADI M. M., FRANÇA F. H. R.
- Date : 2003
- Languages : English
- Source: ASHRAE Transactions. 2003 Winter Meeting, Chicago, Illinois. Volume 109, part 1 + CD-ROM.
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Heat transfer and pressure drop characteristics...
- Author(s) : PETTERSEN J., RIEBERER R., MUNKEJORD S. T.
- Date : 2000/07/25
- Languages : English
- Source: Final proceedings of the 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Purdue.
- Formats : PDF
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Effect of end plates on heat transfer of plate ...
- Author(s) : JIN S., HRNJAK P.
- Date : 2016/07/11
- Languages : English
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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