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A Study on Practical Use of Diesel Combustion Calculation and Development of Automatic Optimizing Calculation System
Technical Paper
2015-01-1845
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A KIVA code which is customized for passenger car's diesel engines is linked with an engine performance simulator and demonstrated with our optimizing calculation system. Aiming to fulfill our target calculation speed, the combustion model of the KIVA code is changed from a chemical reaction calculation method to a chemical equilibrium calculation method which is introduced a unique technique handling chemical species maps. Those maps contain equilibrium mole fraction data of chemical species according to equivalence ratio and temperature. Linking the KIVA code to the engine simulator helps to evaluate engine performance by indicated mean effective pressure (IMEP). The optimizing calculation system enables to obtain response surfaces. Observing the response surfaces, clear views of engine performance characteristics can be seen. The overview of this calculation system and some examples of the calculation are shown in this paper.
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Kitada, T., Kuchita, M., and Hayashi, S., "A Study on Practical Use of Diesel Combustion Calculation and Development of Automatic Optimizing Calculation System," SAE Technical Paper 2015-01-1845, 2015, https://doi.org/10.4271/2015-01-1845.Also In
References
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