Summary
A three-dimensional Computational Fluid Dynamics (CFD) modelling investigation in a finned-tube CO2 gas cooler has been presented and compared with literatures in terms of airside heat transfer coefficient and refrigerant side temperature profile. For the heat exchanger air flow, the Reynolds number is varied in the range of 94.1-282.3 such that laminar flow and viscous model are selected in the CFD model. Simulation results were analyzed and compared at different operating parameters of both air and refrigerant sides including air inlet velocity, air inlet temperature, refrigerant inlet temperature, pressure and mass flow rate. The numerical results have been validated with the public literature results. The simulation results show that when the air inlet velocity varies from 1 m/s to 3 m/s, airside average heat transfer coefficient increases from 88.58 W/m2k to 138.69 W/m2k. In addition, it is found that the higher velocity leads to lower the approach temperature and thus improving the performance of the gas cooler. The research methods and outcomes can be used for further investigation and optimization in this area.
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Details
- Original title: Performance analysis of finned-tube CO2 gas cooler with advanced CFD modelling development and simulation.
- Record ID : 30026482
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.0835
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Indexing
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Multi-physics simulation of a CO2 ga...
- Author(s) : ROSSETTI A., MARINETTI S., MINETTO S.
- Date : 2017/05/11
- Languages : English
- Source: 7th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, May 11-13, 2017.
- Formats : PDF
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Multi-physics simulation of CO2 gas coolers usi...
- Author(s) : ROSSETTI A., MARINETTI S., MINETTO S.
- Date : 2018/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 90
- Formats : PDF
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Investigation of shape‐optimized, non‐round tub...
- Author(s) : TANCABEL J., AUTE V., LING J.
- Date : 2022/06/13
- Languages : English
- Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
- Formats : PDF
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CO2 gas coolers circuitry optimizati...
- Author(s) : LI Z., AUTE V.
- Date : 2020/12/07
- Languages : English
- Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
- Formats : PDF
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New development of air cooled finned heat excha...
- Author(s) : FILIPPINI S.
- Date : 2012/06/25
- Languages : English
- Source: 10th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2012). Proceedings. Delft, The Netherlands, June 25-27, 2012.
- Formats : PDF
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