Adapting a One-Dimensional Mathematical Model to the Dual Fuel Engine In-Cylinder Processes Modelling

被引：0
|
作者：
Lebedevas, Sergejus [1 ]
Dauksys, Vygintas [1 ]
Jonika, Linas [1 ]
机构：
[1] Klaipeda Univ, Bijunu Str 17, LT-91225 Klaipeda, Lithuania
来源：
TRANSBALTICA XI: TRANSPORTATION SCIENCE AND TECHNOLOGY | 2020年
关键词：
Mathematical model; Duel-fuel engine; Energy indicators; Combustion law;
D O I：
10.1007/978-3-030-38666-5_43
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
The article presents results from numerical studies evaluating one-dimensional mathematical model (MM) with single-phase I.I. Vibe combustion law for dual fuel (DF): diesel (D) and natural gas (NG) engine energy experiment. Adequacy criteria were established for high speed 4CN79,5/95,5 engine with conventional fuel system, engine was tested on D100 and D20/NG80 fuel, in high (HLM), medium (MLM) and low (LLM) engine load modes, changing diesel injection angle (DIT) from -1 to -13 degrees CA BTDC range for each load. The simulation of single-phase I.I. Vibe's law of combustion is characterized by limited application possibilities. The rationality of single-phase model use was determined only in HLM engine mode (with error 7%). In the MLM and LLM regimes, the mismatch between real bi-phasic combustion with highly dispersed natural gas NG diffuse during second phase modelling error is 50%.
引用
收藏
页码：407 / 414
页数：8
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