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An experimental investigation on performance of bubble pump with lunate channel for absorption refrigeration system.

Author(s) : CALM J. M.

Type of article: Article, IJR article

Summary

An experimental research on the performance of the bubble pump for absorption refrigeration units was made. The bubble pump provides the drive for the absorption cycle and is a decisive component of the absorption refrigeration unit. The bubble pump's property determines the efficiency of the absorption refrigeration system. A continuous experimental system with different size of bubble pumps were designed, constructed and successfully worked. The experiments were performed by changing some of the parameters affecting the bubble pump performance. The experimental results shows that the performance of the bubble pump depends mainly on the driving temperature, the solution head and the combining tube diameters. With the suitable size of section area of the pump tubes, the net elevating height of solution is 2.5 times as high as the solution submergence. The lunate channel has several outstanding characteristics, such as low starting temperature (minimum 68°C), wide operating temperature range and lower requirement for vacuum condition (under 10 kPa). Then, the elevating capability of the bubble pump with lunate channel is much better than others.

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Details

  • Original title: An experimental investigation on performance of bubble pump with lunate channel for absorption refrigeration system.
  • Record ID : 2006-1749
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 5
  • Publication date: 2006/08

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