Energy and Exergy Efficiency Analysis of Sealing Steam Condenser in Propulsion System of LNG CarrierReportar como inadecuado




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OUR SEA : International Journal of Maritime Science & Technology, Vol.64 No.1 March 2017. -

In ship propulsion systems today diesel engines are dominant, but steam propulsion systems prevail in one type of ships and that are LNG carriers. Such steam propulsion systems consist of many different components. One interesting component of these systems is sealing steam condenser analysed in this paper. Measurements of all necessary operating parameters for analysed sealing steam condenser were performed during the ship exploitation and they were used for calculating the energy and exergy efficiency of this device. Except the displayed movement of both efficiencies the reasons for those changes and proposals for possible improvements were presented. Also, it was displayed all operating parameters of sealing steam condenser that has an impact on its performance and efficiency. During the ship exploitation, improvements related to the sealing steam condenser efficiency are hard to expect because improvements would cause an increase in the steam propulsion system operating costs.

sealing steam condenser; steam propulsion system; energy efficiency; exergy efficiency



Autor: Vedran Mrzljak - orcid.org-0000-0003-0323-2600 ; Department of Thermodynamics and Energy Engineering, Faculty of Engineering, Uni

Fuente: http://hrcak.srce.hr/



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