CFD modeling of heat transfer and fluid flow inside a pent-roof type combustion chamber using dynamic model

Varol, Yasin; Öztop, Hakan F.; Fırat, Müjdat; Koca, Ahmet

doi:10.1016/j.icheatmasstransfer.2010.07.003

Cited by 27 publications

(13 citation statements)

References 13 publications

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“…CFD analysis can help to predict more accurate simulation results by solving the fundamental equations of that solver. The temperature, pressure and in-cylinder (unsteady, compressible, turbulent) flow fields can be described by solving a set of governing equations, namely continuity, momentum, energy, turbulence kinetic energy (k) and its dissipation rate (ε) equations [181]. Here, radiation and buoyancy forces are avoided and only force convection heat transfer is considered.…”

Section: Sst K-ω Turbulent Combustion Modelmentioning

confidence: 99%

“…For the turbulence combustion model there are two important factors, namely turbulence kinetic energy "k" and turbulence dissipation rate "ε" which can be determined from the following transport equations [181]. Table 5 presents the simpler models at the top rows, with complexity and computational cost per iteration increasing during progression down the rows.…”

Section: Sst K-ω Turbulent Combustion Modelmentioning

confidence: 99%

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Recent development of biodiesel combustion strategies and modelling for compression ignition engines

Azad

Rasul

Khan

et al. 2016

Renewable and Sustainable Energy Reviews

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Section: Sst K-ω Turbulent Combustion Modelmentioning

confidence: 99%

Section: Sst K-ω Turbulent Combustion Modelmentioning

confidence: 99%

Recent development of biodiesel combustion strategies and modelling for compression ignition engines

Azad

Rasul

Khan

et al. 2016

Renewable and Sustainable Energy Reviews

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“…Such model, prepared for light duty Diesel engine allows to qualitative mapping of the effect of injection timing on the changes of the NO concentration in the cylinder. Similar model, presented in [28], allows to analysis of the both pressure and temperature distribution during the cylinder scavenging. Still up to date overview of combustion models in the engine cylinders was presented in [5] and in [17,22].…”

Section: Jerzy Kowalskimentioning

confidence: 99%

The model of combustion process in the marine 4-stroke engine for exhaust gas composition assessment

Kowalski

2016

Combustion Engines

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The paper presents the model of combustion process in the marine, turbocharged, 4-stroke and Diesel engine. The main target of modeling is the assessment of the exhaust gas composition. Presented multi-zone, 3-D model of combustion process consists of the following sub-models of processes: the fuel injection, the brake-up and the evaporation of fuel and the turbulence flow and the heat transfer phenomena. Presented model basis on the 3Z-ECFM mechanism of combustion and the initial and boundary conditions collected during direct measurements. The positive validation of the calculation results are obtained for mean and maximum value of the combustion pressure and values of oxygen and nitric oxides fractions in the exhaust gas. Unfortunately, fractions of carbon compounds in the exhaust gas are not properly calculated.

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“…Varol et al [83] has performed a numerical analysis to examine the flow of fluid and heat transfer in an engine having a combustion chamber in pent roof model. They had considered a moving mesh model, k-e turbulence model to simulation piston intake stroke and to presage the incompressible fluid flow inside the cylinder.…”

Section: Effect Of Piston Bowl Shapementioning

confidence: 99%

Homogeneous Charge Compression Ignition (HCCI) Engines: A Review

Sharma

Rao

Murthy

2015

Arch Computat Methods Eng

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The homogeneous charge compression ignition (HCCI) combustion is considered to be the principally promising future IC engine concepts. HCCI is a concept of hybrid combustion, between the Otto engine and Diesel engine. HCCI is however not a modern finding. Already in the early twentieth century hot bulb engines operated with an HCCI-like combustion. They were superior in terms of brake efficiency compared with the contemporary gasoline engines and at the same level as the diesel engines. High engine efficiencies and ultra low NO emissions and low particulates are the benefits of HCCI engines. Volumetric auto ignited combustion of the compressed lean air-fuel mixture is attributed to these benefits. There are few drawbacks also were there in HCCI engines like, low specific output, narrow operating range, lack control over the ignition process, long start up time and high emissions like CO and UHC emissions. The CO and UHC emissions can be after treated using catalytic converters. In this study a literature review on HCCI engine has been performed and the parameters affecting the HCCI combustion phasing, performance and emissions were discussed. Strategies to widen the peak load bearing capacity of HCCI engine, reducing the emissions like NOx, CO and UHC, easy autoignition were discussed in the present study.

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CFD modeling of heat transfer and fluid flow inside a pent-roof type combustion chamber using dynamic model

Cited by 27 publications

References 13 publications

Recent development of biodiesel combustion strategies and modelling for compression ignition engines

Recent development of biodiesel combustion strategies and modelling for compression ignition engines

The model of combustion process in the marine 4-stroke engine for exhaust gas composition assessment

Homogeneous Charge Compression Ignition (HCCI) Engines: A Review

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