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Experimental investigation of water spray cooling for temperature reduction in liquid piston compressor.

Number: pap. 1687

Author(s) : ACHARYA P., PATIL V., RO P.

Summary

For many compressor applications achieving an efficient compressor necessitates an isothermal compression process. A high heat transfer rate during the compression process is needed for reaching near-isothermal conditions. In this study, experimental investigations are carried out with water spray injection in a liquid piston compressor during the compression process to absorb the heat and lower the temperature. A low flow full-cone nozzle with 0.045 in (0.1143 cm) diameter is used for the experiments with different injection pressures. Injection of water spray proved to be an effective heat transfer mechanism for a substantial temperature drop of air during the compression process. It is observed that increasing the injection pressure of spray resulted in a temperature reduction of 10-20 K during compression. For a compression ratio of 2.5, a 10-20% efficiency improvement was observed during the compression.

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Pages: 8

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Details

  • Original title: Experimental investigation of water spray cooling for temperature reduction in liquid piston compressor.
  • Record ID : 30024391
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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