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Feasibility analysis for intermediated fluid type LNG vaporizers using R32 and R410A considering fluid properties.

Author(s) : HIGASHI K., KONDOU C., KOYAMA S.

Type of article: IJR article

Summary

LNG vaporizer is widely used all over the world to vaporize LNG by using seawater. An intermediated fluid type vaporizer (IFV) uses intermediated fluid between LNG and heat source to transfer heat, and is enable to utilize LNG cold energy for a cryogenic power generation, and so on. Conventionally propane has been used as an intermediated fluid; however, refrigerants other than propane are recently needed because of the diversified usage environments. In this study, R32 and R410A are selected and their feasibility is discussed in heat transfer aspect. By using a number of unit (NTU) method, prediction of boiling and condensation heat transfer rate in tube bundles was carried out. The prediction demonstrated that those selected refrigerants can increase the vaporization rate with IFV from the base line of propane. From those, feasibility of refrigerant use in IFV was shown.

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Pages: 325-335

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Details

  • Original title: Feasibility analysis for intermediated fluid type LNG vaporizers using R32 and R410A considering fluid properties.
  • Record ID : 30027740
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
  • Publication date: 2020/10
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2020.06.028
  • Available in the IIR library

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