A nonlinear simulation model of 4190 type turbocharged 4stroke marine diesel engine was built based on MATLAB/Simulink platform, and the simulation calculation of air intake and exhaust system was carried out. Taking 4190ZLC-2 type marine diesel engine as example, the correctness of the simulation model of diesel engine was verified by comparing the simulation results with the test ones. Finally, the proposed simulation model was used to study the effects of the intake and exhaust system on the performances of 4190ZLC-2 type diesel engine power, torque, fuel consumption rate as well as charging efficiency. Simulation results indicate that the fuel economy and emission of 4190 type diesel engine achieve the optimal value when the inlet manifold diameter offset +20 mm and exhaust manifold diameter of 65 mm, which provides the basis of performance optimization for the 190 series medium speed marine diesel engine design.
HUANG Jia-liang*1a
,
1b
,
XIANG Yong-bing1a
,
QIAO Ying-zhi2
,
YIN Zi-bin1a
,
1b
. Modeling of intake and exhaust system for 4190 type turbocharged 4-stroke marine diesel engine[J]. Journal of Dalian Maritime University, 2015
, 41(1)
: 42
-48
.
DOI: 10.16411/j.cnki.issn1006-7736.2015.01.009
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