Simulation and performance evaluation of finned-tube CO2 gas coolers for refrigeration systems.
Author(s) : GE Y. T., CROPPER R. T.
Type of article: Article
Summary
This paper describes a detailed mathematical model and its application for air-cooled finned-tube CO2 gas coolers. The model has been developed utilizing a distributed method which is necessary to predict accurately the great variation of both refrigerant thermophysical properties and local heat transfer coefficients during CO2 gas cooling processes. The modelling method also enables performance analyses with different circuit arrangements and changed structure parameters in gas coolers to be assessed. The model has been validated with the test results from a published literature by comparing the gas temperature profiles along the coil pipes from refrigerant inlet to outlet at different operating states. With the aim of increasing the heat capacity or minimizing the approach temperature for a gas cooler, the validated model is used to carry out performance simulation and analysis when the circuit arrangement of the original heat exchanger is redesigned. It is found that the approach temperature and the heat capacity are both improved with the increase of heat exchanger circuit numbers. [Reprinted with permission from Elsevier. Copyright, 2008].
Details
- Original title: Simulation and performance evaluation of finned-tube CO2 gas coolers for refrigeration systems.
- Record ID : 2009-0547
- Languages: English
- Source: Applied Thermal Engineering - vol. 29 - n. 1
- Publication date: 2009/01
Links
See other articles in this issue (4)
See the source
Indexing
-
Themes:
Heat transfer;
CO2 - Keywords: Refrigerating system; Finned tube; Heat transfer; Gas cooler; Simulation; Performance; Modelling; Transcritical cycle; CO2
-
Modelling and performance simulation of gas coo...
- Author(s) : CHANG Y. S., KIM M. S.
- Date : 2006/07/17
- Languages : English
- Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
- Formats : PDF
View record
-
Modelling fin-and-tube gas cooler for transcrit...
- Author(s) : CORRADI M., CECCHINATO L., SCHIOCHET G., et al.
- Date : 2006/07/17
- Languages : English
- Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
- Formats : PDF
View record
-
Study of the effect of heat transfer through fi...
- Author(s) : SINGH V., AUTE V., RADERMACHER R.
- Date : 2008/07/14
- Languages : English
- Source: 2008 Purdue Conferences. 19th International Compressor Engineering Conference at Purdue & 12th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
- Formats : PDF
View record
-
Simulation and performance optimization of finn...
- Author(s) : GUPTA D. K., DASGUPTA M. S.
- Date : 2014/02
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 38
- Formats : PDF
View record
-
Simulation and performance evaluation of air-co...
- Author(s) : GUPTA D. K., DASGUPTA M. S.
- Date : 2013/04/02
- Languages : English
- Source: 2nd IIR International Conference on Sustainability and the Cold Chain. Proceedings: Paris, France, April 2-4, 2013.
- Formats : PDF
View record