A physical model of energetic processes in a diesel marine generator set

Kniaziewicz, Tomasz; Zacharewicz, Marcin

doi:10.19206/ce-2018-402

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…The first stage of research was to develop a program for their implementation. It was presented in the form of an algorithm containing all the anticipated stages of the research [3,11,17] (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

Model tests of a marine diesel engine powered by a fuel-alcohol mixture

Zacharewicz¹,

Kniaziewicz²

2021

Combustion Engines

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The paper presents the results of model and empirical tests conducted for a marine diesel engine fueled by a blend of n-butanol and diesel oil. The research were aimed at assessing the usefulness of the proprietary diesel engine model in conducting research on marine engines powered by alternative fuels to fossil fuels. The authors defined the measures of adequacy. On their basis, they assessed the adequacy of the mathematical model used. The analysis of the results of the conducted research showed that the developed mathematical model is sufficiently adequate. Therefore, both the mathematical model and the computer program based on it will be used in further work on supplying marine engines with mixtures of diesel oil and biocomponents.

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Section: Methodsmentioning

confidence: 99%

Model tests of a marine diesel engine powered by a fuel-alcohol mixture

Zacharewicz¹,

Kniaziewicz²

2021

Combustion Engines

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“…Spray combustion is widely encountered in various engines [1][2][3]. It was studied by large-eddy simulation [4,5], where droplets were taken as volume-less point-source particles.…”

Section: Introductionmentioning

confidence: 99%

Studies on the flame structure and drag of a combusting droplet group

Zhou¹,

Li²,

Sun³

2023

Combustion Engines

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Droplet combustion has been studied by experiments and numerical simulation for many years, and most of studies were done about single droplets. As for droplet groups, some theoretical and experimental studies were reported, but less of numerical studies. One of the important characteristics is the drag of combusting droplets, which is closely related to flame structure and is a sub-model in numerical simulation of spray combustion. There are contradictory research results for the drag of combusting droplets. In the present paper, large-eddy simulation (LES) is used to study the flame structure and drag of a combusting ethanol-droplet group. The results show that there are three combustion modes: fully-enveloped flame, partially-enveloped flame and wake flame in a droplet group, leading to the change of the drag with inlet velocities. It is found that the drag of droplets in the group is much smaller than that of a non-combusting particle in isothermal flows

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A physical model of energetic processes in a diesel marine generator set

Cited by 2 publications

References 2 publications

Model tests of a marine diesel engine powered by a fuel-alcohol mixture

Model tests of a marine diesel engine powered by a fuel-alcohol mixture

Studies on the flame structure and drag of a combusting droplet group

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