Journal of Dalian Maritime University >
2017 , Vol. 43 >Issue 1: 45 - 52
DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2017.01.008
Study on the comprehensive utilization of fuel cold energy for LNG powered carrier
Received date: 2016-06-28
Revised date: 2016-09-14
Online published: 2016-09-14
In order to reuse the fuel cold energy, the feasibility of LNG cold energy cascade utilization was verified through the theoretical calculation and comparison on behalf of the ship type for very large crude carrier (VLCC). In addition, a concrete scheme for LNG cold energy comprehensive utilization was designed to meet the energy needs of seawater desalination, marine air-conditioning and marine refrigerator, as well as the power generation by using cold energy with the carrier’s main diesel engine flue gas heat. To get an optimal case, the influence of crucial point parameters on system performance using different refrigerant was compared and analyzed taking the energy efficiency as main objective function by using the software Aspen HYSYS simulate computation. Simulation results show that the system performance is improved markedly by using R170 as Rankine cycle refrigerant, such as decreasing temperature of crucial point NG-3, decreasing condensation pressure and raising the evaporating pressure.
LI Bo-yang , HU De-dong , QIAN De-song , ZHANG Xiao-rong , YAO Wen-long . Study on the comprehensive utilization of fuel cold energy for LNG powered carrier[J]. Journal of Dalian Maritime University, 2017 , 43(1) : 45 -52 . DOI: 10.16411/j.cnki.issn1006-7736.2017.01.008
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