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An improved ammonia-NaSCN absorption refrigeration cycle.

Number: AB-SI1-1119

Author(s) : SHI Y., CHEN G., WANG Q., et al.

Summary

NH3-NaSCN is thought to be a good working fluid for absorption refrigeration because it can make refrigeration at temperature lower than 0 °C and has not rectification loss. But when generation temperature is very high, the NH3-NaSCN absorption refrigeration cycle will have a great of “sensible loss”. To reduce this sensible loss, an improved cycle is proposed in this paper. The main point of the improved cycle is that a part of the solution out of the solution pump flows to an additional heat exchanger to recover part of the sensible heat of the ammonia vapor from the generator. Theorectical simulation results show that the refrigeration COP of the system is 9% higher than that of the conventional cycle at most simulated working conditions, leading a great amount of energy saving.

Details

  • Original title: An improved ammonia-NaSCN absorption refrigeration cycle.
  • Record ID : 30022715
  • Languages: English
  • Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.
  • Publication date: 2017/08/07

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