نتایج جستجو برای: combustion parameters

تعداد نتایج: 606823  

Journal: :international journal of automotive engineering 0
m. bidarvatan k.n.t. university of technology m. shahbakhti k.n.t. university of technology s.a. jazayeri k.n.t. university of technology

homogenous charge compression ignition (hcci) engines hold promise of high fuel efficiency and low emission levels for future green vehicles. but in contrast to gasoline and diesel engines, hcci engines suffer from lack of having direct means to initiate combustion. a combustion timing controller with robust tracking performance is the key requirement to leverage hcci application in production ...

2008
E. Gruenbacher

Control of the inner engine torque of a combustion engine is very crucial for the overall performance of a dynamical combustion engine test bench. The main problem thereby is the usually unknown system behavior of the combustion engine, the time delay of the accelerator actuator which is used to control the combustion engine. In general the combustion engine is mounted on a combustion engine te...

2016
Tamás Varga Carsten Olm Tibor Nagy István Gy. Zsély Éva Valkó Róbert Pálvölgyi Henry. J. Curran Tamás Turányi

A comprehensive and hierarchical optimization of a joint hydrogen and syngas combustion mechanism has been carried out. The Kéromnès et al. (Combust Flame, 2013, 160, 995-1011) mechanism for syngas combustion was updated with our recently optimized hydrogen combustion mechanism (Varga et al., Proc Combust Inst, 2015, 35, 589-596) and optimized using a comprehensive set of direct and indirect ex...

2007
WON YANG DONGHOON SHIN SANGMIN CHOI

A process simulation model was constructed for a 2 ton/hr incinerator. The simulation model was designed to provide system performance parameters according to various operating conditions. In accommodating the wide variation of quality and composition of input wastes, the plant operating parameters such as amount of excess air, preheated air temperature, waste feed rate and primary air distribu...

2008
Almerinda Di Benedetto Paola Russo

Combustion hazards associated with liquid fuels are often categorized in terms of the fuel’s flashpoint. However, in hazard scenarios where high-flashpoint fuel is released under pressure, jet breakup and aerosol formation will result. In these cases, this simplistic method of combustion hazard classification may be not sufficient and then alternative approaches are required. As for gases and d...

2005
S. Henriot J. Bohbot

Due to recent improvements on combustion modeling, three-dimensional Computational Fluid Dynamics (CFD) tools have become essential in aiding in the engine development. They allow the understanding of basic combustion phenomena and help to optimize various parameters of a pre-existing combustion system or to design a combustion chamber from scratch. Combustion systems become more and more compl...

2010
V. V. Gubernov A. V. Kolobov A. A. Polezhaev H. S. Sidhu

In this paper we numerically study the properties and stability of the travelling combustion waves in Zeldovich-Liñán model in the adiabatic limit in one-dimension. The structure and the properties of the combustion waves are found to be different for the fast and slow recombination regimes. The dependence of flame speed on the parameters of the model are studied in detail. The results are comp...

M.D. Checkel, S.V. Hosseini,

Homogenous charge compression ignition (HCCI) combustion is spontaneous multi-site combustion of a nominally premixed air/fuel mixture that exhibits high rate of pressure rise and short combustion duration. To avoid excessive pressure rise rate and knocking, HCCI engines are fueled with highly diluted mixture using a combination of excess air and/or EGR. HCCI combustion is attractive due to ...

M. H. Hamzeh Sayed Mojtaba Sadrameli,

ABSTRACT:A mathematical model for the performance prediction of an industrial glass furnace with six ports on each side was developed. This model comprises of two main sub-models for the combustion chamber and glass-melting tank. The first sub-model consists of the models for the combustion and the heat transfer model including, radiation, convection and conduction. The fuel combustion in a...

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