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The Emission and Combustion Characteristics of Marine Diesel Engine with Extreme Throttled of Air or Exhaust Ducts
Abstract
Presented paper shows the results of the laboratory tests on the relationship between the extreme throttling of both air intake duct and exhaust gas duct and gaseous emission from the marine engine. The object of research is a laboratory, 4-stroke, DI diesel engine, operated at loads from 50 kW to 250 kW at a constant speed equal to 750 rpm. During the laboratory tests the thermodynamic and exhaust gas emission characteristics of the engine were measured with technical condition recognized as "working properly" and with simulated throttling of both air intake duct and exhaust gas duct. Air intake duct throttling by 60% causes visible changes at both gas temperature and pressure behind the intercooler. The study results show significant changes of NOx and CO2 emission for considered air intake duct throttling. The best indicator of exhaust gas duct throttling among considered thermodynamic parameters of the engine is mean in-cylinder pressure. In the case of measuring the composition of exhaust gas, the throttling of the exhaust gas duct causes visible changes in CO2 and NOx emission. The conclusion is that the results of measurements of the composition of the exhaust gas may contain valuable diagnostic information about the technical condition of air intake and exhaust gas duct of the marine engine
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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New Trends in Production Engineering
no. 1,
pages 427 - 433,
ISSN: 2545-2843 - ISSN:
- 2545-2843
- Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Kowalski J.: The Emission and Combustion Characteristics of Marine Diesel Engine with Extreme Throttled of Air or Exhaust Ducts// New Trends in Production Engineering -Vol. 1,iss. 1 (2018), s.427-433
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/ntpe-2018-0053
- Bibliography: test
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show (13) hide
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- Sources of funding:
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- Statutory activity/subsidy
- Verified by:
- Gdańsk University of Technology
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