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Assessment of the performance and the exhaust emissions of a marine diesel engine for different start angles of combustion

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

Abstract

The start angle of combustion plays an important role in determining the performance and the exhaust emissions of a diesel engine. In this paper, the assessment of the behavior of a marine diesel engine is presented for twelve start angles of combustion. The simulation is done using a 1D engine simulation code developed and implemented in Matlab, which was validated with a commercial software tool. Three engine speeds are considered during the simulation. The optimum range of crank angles to start the combustion is determined for engine optimization. The heat release rate and the Wiebe function are used to determine the behavior of the combustion process. The amount of carbon dioxide (CO2) and nitrogen oxide (NOx) emissions are calculated for the different cases assumed. The simulation results are compared with data taken from a real engine.

Original languageEnglish
Title of host publicationProceedings of 3rd International Conference on Maritime Technology and Engineering, MARTECH 2016
EditorsGuedes Soares, T.A. Santos
Pages769-776
Number of pages8
DOIs
Publication statusPublished - 2016
Event3rd International Conference on Maritime Technology and Engineering, MARTECH 2016 - Lisbon, Portugal
Duration: 4 Jul 2016 → 6 Jul 2016

Publication series

NameProceedings of 3rd International Conference on Maritime Technology and Engineering, MARTECH 2016
Volume2

Conference

Conference3rd International Conference on Maritime Technology and Engineering, MARTECH 2016
Country/TerritoryPortugal
CityLisbon
Period4/07/16 → 6/07/16

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

  • exhaust emissions
  • diesel engines
  • combustion analysis

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