Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO

Eungchan Lee, Hoon Kang, Yong Chan Kim, Hyug Lim, Jaehong Park, Sungyoul Cho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A nitrogen double expander cycle has been widely used for liquefaction of natural gas in LNG-FPSO (Floating Production, Storage, and Offloading). An aluminum plate-fin heat exchanger (ALPHE) is usually adopted in the liquefaction cycle. In general, the ALPHE has a very large heat transfer surface area per unit volume. This surface area consists of primary and secondary (finned) surfaces. Even taking into account fin efficiency of the secondary surface, the effective surface area per unit volume can be typically five times greater than that of a shell-and-tube heat exchanger. Various types of fin are available in ALPHE and the fin type should be selected properly to optimize the performance. For example, serrated, wavy and perforated fin are particularly suitable for gas streams. The selection and design of the layer arrangement and effective length of each stream are very important design parameters for ALPHE. In this paper, to optimize the design of ALPHE, the effects of the design parameters on the performance of ALPHE were studied using a simulation method. The properties of nitrogen and natural gas were calculated from proper equations of state. Because the performance of ALPHE is mainly influenced by the fin type, fin frequency, fin height, fin thickness, and layer arrangement, the effects of the geometric design parameters on the performance of ALPHE were studied, and the optimum design conditions were suggested in this paper.

Original languageEnglish
Title of host publication2010 14th International Heat Transfer Conference, IHTC 14
Pages583-588
Number of pages6
Volume4
DOIs
Publication statusPublished - 2010 Dec 1
Event2010 14th International Heat Transfer Conference, IHTC 14 - Washington, DC, United States
Duration: 2010 Aug 82010 Aug 13

Other

Other2010 14th International Heat Transfer Conference, IHTC 14
CountryUnited States
CityWashington, DC
Period10/8/810/8/13

Fingerprint

Liquefied natural gas
Aluminum
Heat exchangers
Liquefaction
Natural gas
Nitrogen
Floating production storage and offloading
Tubes (components)
Equations of state
Gases
Heat transfer

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes

Cite this

Lee, E., Kang, H., Kim, Y. C., Lim, H., Park, J., & Cho, S. (2010). Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO. In 2010 14th International Heat Transfer Conference, IHTC 14 (Vol. 4, pp. 583-588) https://doi.org/10.1115/IHTC14-22783

Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO. / Lee, Eungchan; Kang, Hoon; Kim, Yong Chan; Lim, Hyug; Park, Jaehong; Cho, Sungyoul.

2010 14th International Heat Transfer Conference, IHTC 14. Vol. 4 2010. p. 583-588.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lee, E, Kang, H, Kim, YC, Lim, H, Park, J & Cho, S 2010, Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO. in 2010 14th International Heat Transfer Conference, IHTC 14. vol. 4, pp. 583-588, 2010 14th International Heat Transfer Conference, IHTC 14, Washington, DC, United States, 10/8/8. https://doi.org/10.1115/IHTC14-22783
Lee E, Kang H, Kim YC, Lim H, Park J, Cho S. Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO. In 2010 14th International Heat Transfer Conference, IHTC 14. Vol. 4. 2010. p. 583-588 https://doi.org/10.1115/IHTC14-22783
Lee, Eungchan ; Kang, Hoon ; Kim, Yong Chan ; Lim, Hyug ; Park, Jaehong ; Cho, Sungyoul. / Parametric analysis of an aluminium plate-fin heat exchanger (ALPHE) for LNG-FPSO. 2010 14th International Heat Transfer Conference, IHTC 14. Vol. 4 2010. pp. 583-588
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