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A study on performance improvement for heat recovery ventilation system.

Number: pap. n. 305

Author(s) : CHUNG M. H., OH B. K., BAE S. H.

Summary

The supply and use of exhaust heat recovery ventilation equipment as effective energy saving equipment has been increasing steadily. Heat recovery ventilation equipment can be installed at ceiling of balcony or emergency space. However, in case of fire, because emergency space has to remain as empty space by law, ventilation systems can’t be installed there. Therefore the need to properly provide space for ventilation system is highlighted. In this study, in order to install heat recovery ventilation systems in light weight wall, thickness of heat exchanger was assembled below 140 mm. The efficiency of heat recovery was analyzed through performance experiment in the case of cooling and heating mode. Heat recovery efficiency increases when the surface area is increased by using closer channel spacing in the heat exchanger or by increasing the size of the heat exchanger. Decreasing the channel spacing was found to be more efficient than increasing the size of the heat exchanger to obtain the same surface area.

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Pages: 10 p.

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Details

  • Original title: A study on performance improvement for heat recovery ventilation system.
  • Record ID : 30008895
  • Languages: English
  • Source: Clima 2013. 11th REHVA World Congress and 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings.
  • Publication date: 2013/06/16

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