Experimental and numerical simulation study on the offshore adaptability of spiral wound heat exchanger in LNG-FPSO DMR natural gas liquefaction process

Chongzheng Sun, Yuxing Li, Hui Han, Jianlu Zhu, Shaowei Wang and Liang Liu

Energy, 2019, vol. 189, issue C

Abstract: For studying the performance of spiral wound heat exchangers (SWHEs) applied in the LNG-FPSO (LNG Floating Production Storage and Offloading unit) dual mixed refrigerant (DMR) liquefaction process, an experimental device and a numerical simulation model of DMR liquefaction process are established. Based on the experimental results and the REFPROP software, the effects of sloshing on the performance of SWHE are selected as the disturbances to test the responses of the DMR liquefaction process. The results show that the sloshing-induced reduction of SWHE heat transfer performance is within 50% for all sloshing cases. The decrease of specific power consumption of DMR liquefaction process is within 13%, when the SWHE is under sloshing angles from 3° to 9° and sloshing periods from 6 s to 30 s.

Keywords: DMR liquefaction process; LNG-FPSO; Numerical simulation; Experiment; SWHE (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:189:y:2019:i:c:s0360544219318730

DOI: 10.1016/j.energy.2019.116178

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