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The effect of duct input height on temperature stratification in an adiabatic closed environment.

Number: pap. n. 2

Author(s) : AWAD A. S.

Summary

This paper discusses the effect of input location (input height) and airflow rates, on the stratified flow characteristics. The variations for both input locations and flow variations were experimentally investigated. From the results it can be concluded that the effects input locations on the stratified flow characteristics were significant. When a location of input location is higher, the buoyancy forces is increased with a sufficient amount to stratify the flow, whiles for the decreasing of input location, the interface level height is decreasing downward to reach the ground, yielding a mixed flow in both zones. The temperature distribution in the upper zone is somewhat independent of the location of input location unlike the lower zone. The results can be used to obtain a good estimation of ventilation flows that aid in the design and applications of ventilation systems. The stratification interface level height and the ventilation flow rates are two main factors in the design of natural ventilation system.

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Pages: 12 p.

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Details

  • Original title: The effect of duct input height on temperature stratification in an adiabatic closed environment.
  • Record ID : 30014710
  • Languages: English
  • Source: 5th Jordanian IIR International Conference on Refrigeration and Air Conditioning. Proceedings: Aqaba, Jordan, March 8-10, 2015.
  • Publication date: 2015/03/08

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