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In-tube condensation performance of refrigerants considering penalization terms (exergy losses) for heat transfer and pressure drop.

Author(s) : CAVALLINI A., BROWN J. S., DEL COL D., et al.

Type of article: Article

Summary

This paper presents performance evaluation criteria (PEC) dubbed penalty factor (PF) and total temperature penalization (TTP) for condensation inside tubes. This general methodology allows for the ranking of refrigerants for condenser applications based on their heat transfer potentials. Among halocarbons, higher pressure fluids have lower PF and TTP values than medium and lower pressure refrigerants, with ammonia outperforming all refrigerants. These PEC are also used to develop simple theoretical models for the optimization of condenser refrigerant circuitry. As examples, two condenser optimization cases are considered, with the theoretical predictions comparing favourably with simulation results from a detailed heat exchanger model. [Reprinted with permission from Elsevier. Copyright, 2010].

Details

  • Original title: In-tube condensation performance of refrigerants considering penalization terms (exergy losses) for heat transfer and pressure drop.
  • Record ID : 2010-1387
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 53 - n. 13-14
  • Publication date: 2010/06
  • DOI: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2010.02.007

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