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Numerical and experimental study of a sprayed air-cooled condenser.

Author(s) : TISSOT J., TRINQUET F., MACCHI-TEJEDA H., et al.

Summary

A numerical study has been carried out on a sprayed air flow. An Eulerian-Lagrangian model of droplets suspended in an air flow has been used, investigating the droplet evaporation and the resulting balances for humidity and temperature of the air as a function of droplet size in particular. Numerical simulations have been performed on a geometry corresponding to an experimental device that will allow the evaluation of the energy balance on a heat exchanger with and without injecting droplets in the air flow. Even with low water flow rates (0.025 l/min), the use of very fine droplets with size below 50-micrometer results in a significant air cooling (up to 15 K). Effective cooling of the air before a condenser is achievable and will be further investigated in the frame of a study aimed at the optimization of refrigerating systems.

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Details

  • Original title: Numerical and experimental study of a sprayed air-cooled condenser.
  • Record ID : 2011-0080
  • Languages: English
  • Source: IIR/Eurotherm sustainable refrigeration and heat pump technology conference. Proceedings of the Eurotherm Seminar No. 88, Stockholm, Sweden, June 13-16, 2010.
  • Publication date: 2010/06/13

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