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Numerical investigation on flow boiling characteristics of liquified natural gas in FLNG plate-fin heat exchanger under sloshing conditions.

Number: pap. n. 987

Author(s) : LI J., HU H., HAN W., et al.

Summary

Plate-fin heat exchangers (PFHX) are widely used in floating liquefied natural gas (FLNG) facilities, and the PFHX performance may be significantly affected by the FLNG sloshing motions. In the present study, a model for liquefied natural gas flow boiling in PFHX under sloshing conditions was established. In the model, the numerical model to simulate the flow and heat transfer was developed, and the sloshing acceleration model was added to reflect the sloshing effect. The proposed model was verified experimentally, and it agrees well with the experimental data. Based on the proposed model, the sloshing motion effects were analyzed. The heaving motion among sloshing conditions has most obvious influence on heat transfer, showing a sloshing impact factor of 38.5%~240.9%; the rotation type of sloshing motion has negligible effect on the heat transfer.

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Details

  • Original title: Numerical investigation on flow boiling characteristics of liquified natural gas in FLNG plate-fin heat exchanger under sloshing conditions.
  • Record ID : 30025946
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0987

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