A Zero-Dimensional Mixing Controlled Combustion Model for Real Time Performance Simulation of Marine Two-Stroke Diesel Engines
| Autor: | Yuanqing Zhu, Ruifeng Gao, Yongming Feng, Haiyan Wang |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Control and Optimization
020209 energy marine two-stroke diesel engine Energy Engineering and Power Technology 02 engineering and technology Combustion Diesel engine lcsh:Technology Automotive engineering Cylinder (engine) law.invention Diesel fuel 0203 mechanical engineering law Real-time simulation 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Engineering (miscellaneous) Scavenging Two-stroke engine real-time modeling Renewable Energy Sustainability and the Environment lcsh:T Fuel injection performance simulation 020303 mechanical engineering & transports mixing controlled combustion model Environmental science Energy (miscellaneous) |
| Zdroj: | Energies, Vol 12, Iss 10, p 2000 (2019) Energies Volume 12 Issue 10 |
| ISSN: | 1996-1073 |
| Popis: | The paper presents a performance prediction model of marine low-speed two-stroke diesel engines based on an advanced MCC (mixture controlled combustion) model coupled with a fuel injection model. Considering the time of real calculation, the so-called &ldquo concentrated exhausting gas&rdquo scavenging model and the working process model are used in the present work, and improved by introducing the ratio of pure combustion product over the total gas mass in the cylinder as an expression of the working medium components. The reaction rate model in the zero-dimensional MCC model is improved by introducing the fraction of combustion product in the fuel spray, and the relationship between the combustion model and scavenging quality is established. Meanwhile, the combustion model was simplified in the diffusion combustion phases and integrated with the fuel injection model in order to respond to the change of injection profile and injection timing. A large-scale low-speed marine diesel engine was used for a simulation. The results of the whole model are consistent with experimental data and the speed of calculation is fast enough for real time simulation of low speed and medium speed diesel engines. The prediction model can be used in the design and calibration of the electronic control system and performance optimization of the marine two-stroke diesel engine. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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