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Dimensionless parameter for evaluation of thermo-fluids performance of air-conditioning and ventilation systems.

Author(s) : SHARMA R., PATEL C., BASH C.

Summary

In this paper, the authors formulate non-dimensional parameters to evaluate the thermal performance of air conditioning systems within a conditioned space. The parameters, based on temperature, reflect the convective heat transfer and fluid flow within the space and can be applied to commercial or non-commercial buildings as well. The self-similar parameters can be scaled from one unit to several units operating in the same room. Measurements from an experimental system are used to validate and correlate with monitored data from other sources. Dimensionless parameters in the form of utilization index are calculated, based on space temperature, outlet and inlet temperatures, for validation purposes. Experimental data show that utilization index provides a simple and powerful tool to understand the convective heat transfer and fluid flow in around the air conditioning system. Analysis based on utilization index is carried out to understand air flow distribution among units.

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Details

  • Original title: Dimensionless parameter for evaluation of thermo-fluids performance of air-conditioning and ventilation systems.
  • Record ID : 2008-2204
  • Languages: English
  • Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Publication date: 2006/07/17

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