Mathematical Modeling of the Working Conditions of the Ship’s Utilization Boiler in Order to Evaluate Its Performance

Tomasz Tuński, Cezary Behrendt and Marcin Szczepanek
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Tomasz Tuński: Institute of Marine Power Plants, Maritime University of Szczecin, ul. Waly Chrobrego1-2, 70-500 Szczecin, Poland
Cezary Behrendt: Institute of Marine Power Plants, Maritime University of Szczecin, ul. Waly Chrobrego1-2, 70-500 Szczecin, Poland
Marcin Szczepanek: Institute of Marine Power Plants, Maritime University of Szczecin, ul. Waly Chrobrego1-2, 70-500 Szczecin, Poland

Energies, 2019, vol. 12, issue 16, 1-15

Abstract: The paper presents a mathematical model allowing the determination of the amount of saturated steam produced in marine water tube boilers and smoke tube boilers. The mathematical model includes the impact of the exhaust gas temperature and its amount, ambient temperature, engine power load, and location of boiler tubes. In addition to the amount of steam generated in a boiler, it is also feasible to establish flow resistance of the exhaust gas in the boiler determined by the boiler tubes’ arrangement and the thickness of scale deposits and the exhaust gas temperature after the exhaust gas boiler. Due to the model universality, it may be applied not only to make calculations for existing boilers, but also to perform numerical experiments in order to determine the amount of steam produced by the entire range of boilers used in the waste heat recovery systems in power marine systems and the adopted limit values, such as exhaust gas flow resistance and their temperature, after the boiler. The reliability of the obtained results has been revised by comparing them with the outcomes of the experiments performed on the ships.

Keywords: marine exhaust gas boiler; mathematical model; steam production; exploitation condition influence; boiler type influence (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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