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Sensitivity analysis of the steam Rankine cycle in marine applications

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

Abstract

Increasing the efficiency of the ship marine systems using multi-source energies is becoming essential to reduce the amount of fuel consumption and exhaust emissions. In this paper, a sensitivity analysis is performed to study the influence of various parameters of a steam Rankine cycle on its performance. The steam Rankine cycle is modeled in Aspen Plus, a commercial software used to simulate the performance of different types of power systems. The pump, boiler, turbine and condenser are the main parts of the Rankine cycle considered in this study. The exhaust gas of two four-stroke marine diesel engines is the main source of heat for the boiler. The performance of the system is evaluated based on the variation of the condenser pressure, feed pump outlet pressure, the mass flow rate of the working fluid and the outlet gas temperature to the ambient. This study opens the doors to optimize the performance of different marine waste heat recovery systems.

Original languageEnglish
Title of host publicationDevelopments in Maritime Technology and Engineering - Proceedings of the 5th International Conference on Maritime Technology and Engineering, MARTECH 2020
EditorsC. Guedes Soares, T.A. Santos
Pages491-499
Number of pages9
DOIs
Publication statusPublished - 2021
Event5th International Conference on Maritime Technology and Engineering, MARTECH 2020 - Lisbon, Portugal
Duration: 16 Nov 2020 → 19 Nov 2020

Publication series

NameDevelopments in Maritime Technology and Engineering - Proceedings of the 5th International Conference on Maritime Technology and Engineering, MARTECH 2020
Volume2

Conference

Conference5th International Conference on Maritime Technology and Engineering, MARTECH 2020
Country/TerritoryPortugal
CityLisbon
Period16/11/20 → 19/11/20

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

Keywords

  • steam Rankine cycle
  • fuel consumption
  • exhaust emissions

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