Effects of carbon deposit run-time cleaning on combustion performance and exhaust emission of fishing boat diesel engine

Horng-Wen Wu, C. Y. Yang, R. H. Wang, C. H. Fang, C. H. Hung

Research output: Contribution to journalArticle

Abstract

The oil price is rising and then operating cost is increasing in recent years, and how to maintain engine parts with prolonging their life and reducing fuel consumption is the concern of-the present large fishing boats. In particular, general fishing boats have been prolonging their equipment lifespan by focusing on maintenance and repair, but they have neglected the carbon deposits in engine parts caused by the engine operation on fishing boats. These deposits then generate engine consumption, higher fuel consumption, and shorter engine lifespan. The primary objective of this study is to develop a carbon deposit cleaning system, to investigate how carbon deposit run-time cleaning affects combustion performance and exhaust emissions. The results show that carbon deposit run-time cleaning can reduce brake specific fuel consumption but increase cylinder pressure, and then CO2 and NOx emissions slightly increase, while exhaust emissions CO, HC and Smoke concentrations decrease. The percents of cleaning carbon for this system are from 14.7% to 43.6% for various engine speeds.

Original languageEnglish
Pages (from-to)137-146
Number of pages10
JournalJournal of Taiwan Society of Naval Architects and Marine Engineers
Volume29
Issue number3
Publication statusPublished - 2010 Aug 1

Fingerprint

Cleaning
Deposits
Engines
Carbon
Boats
Fuel consumption
Engine cylinders
Smoke
Operating costs
Brakes
Diesel boat engines
Repair

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Mechanical Engineering

Cite this

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abstract = "The oil price is rising and then operating cost is increasing in recent years, and how to maintain engine parts with prolonging their life and reducing fuel consumption is the concern of-the present large fishing boats. In particular, general fishing boats have been prolonging their equipment lifespan by focusing on maintenance and repair, but they have neglected the carbon deposits in engine parts caused by the engine operation on fishing boats. These deposits then generate engine consumption, higher fuel consumption, and shorter engine lifespan. The primary objective of this study is to develop a carbon deposit cleaning system, to investigate how carbon deposit run-time cleaning affects combustion performance and exhaust emissions. The results show that carbon deposit run-time cleaning can reduce brake specific fuel consumption but increase cylinder pressure, and then CO2 and NOx emissions slightly increase, while exhaust emissions CO, HC and Smoke concentrations decrease. The percents of cleaning carbon for this system are from 14.7{\%} to 43.6{\%} for various engine speeds.",
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Effects of carbon deposit run-time cleaning on combustion performance and exhaust emission of fishing boat diesel engine. / Wu, Horng-Wen; Yang, C. Y.; Wang, R. H.; Fang, C. H.; Hung, C. H.

In: Journal of Taiwan Society of Naval Architects and Marine Engineers, Vol. 29, No. 3, 01.08.2010, p. 137-146.

Research output: Contribution to journalArticle

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