Journal ArticleDOI
Energy efficient piston configuration for effective air motion – A CFD study
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TLDR
In this article, four configurations of flat, inclined, center bowl and inclined offset bowl pistons have been studied for the analysis of in-cylinder air motion and the comparison of predicted results with the experimental results available in the literature.About:
This article is published in Applied Energy.The article was published on 2013-02-01. It has received 70 citations till now. The article focuses on the topics: Piston & Cylinder (engine).read more
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Journal ArticleDOI
Studies on the influence of combustion bowl modification for the operation of Cymbopogon flexuosus biofuel based diesel blends in a DI diesel engine
TL;DR: In this article, four different combustion bowls were designed based on the keen literature survey for a single-cylinder diesel engine with 20% Cymbopogon flexuosus biofuel and 20% diesel fuel.
Journal ArticleDOI
A numerical study on the effect of various combustion bowl parameters on the performance, combustion, and emission behavior on a single cylinder diesel engine
Dhinesh Balasubramanian,Sabari Rajan Sokkalingam Arumugam,Lingesan Subramani,Isaac JoshuaRamesh Lalvani Joshua Stephen Chellakumar,Annamalai Mani +4 more
TL;DR: The sensitivity analysis proved that bowl depth, bowl diameter, toroidal radius, and throat diameter played a vital role in the fuel consumption parameter and emission characteristics even at the manufacturing tolerance variations.
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Modification in combustion chamber geometry of CI engines for suitability of biodiesel: A review
TL;DR: In this article, different combustion chamber geometries have been considered and results obtained from experimental and numerical analysis was discussed, including performance parameters (brake thermal efficiency, brake specific fuel consumption), combustion parameters (heat release rate, cylinder pressure, ignition delay, peak pressure) and emission parameters (Carbon Monoxide, Nitrogen Oxides, smoke, unburnt hydrocarbons and sulfur dioxide).
Journal ArticleDOI
Engine structure modifications effect on the flow behavior, combustion, and performance characteristics of DI diesel engine
TL;DR: In this article, a 1.8-L Ford diesel engine and the geometrical modification in structure of piston were considered in terms of bowl movement and the bowl size in four equal increments.
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Experimental and simulation-based investigations of marine diesel engine performance against static back pressure
TL;DR: In this article, the authors provide a comprehensive understanding of back pressure effects on marine diesel engine performance, and identify limits of acceptable back pressure along with methods to tackle high back pressure.
References
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Book
An Introduction to Computational Fluid Dynamics: The Finite Volume Method
TL;DR: This chapter discusses the development of the Finite Volume Method for Diffusion Problems, a method for solving pressure-Velocity Coupling in Steady Flows problems, and its applications.
Journal ArticleDOI
CFD modeling of the in-cylinder flow in direct-injection Diesel engines
TL;DR: In this article, three-dimensional flow calculations of the intake and compression stroke of a four-valve direct-injection Diesel engine have been carried out with different combustion chambers.
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High swirl-inducing piston bowls in small diesel engines for emission reduction
TL;DR: In this paper, the effect of reentrant piston bowl geometries on pollutant emissions from a single-cylinder diesel engine was investigated. But the simulation results indicated that the selected piston bowl geometry could actually be reducing the incylinder swirl and turbulence and the emission reduction may be entirely due to the introduction of the sac-less injector.
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The effect of injection timing and intake valve close timing on performance and emissions of diesel PCCI engine with a full engine cycle CFD simulation
TL;DR: In this paper, the effect of start of injection (SOI) timing and intake valve close (IVC) timing on performance and emissions of diesel premixed charge compression ignition (PCCI) engine was investigated.
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A computational study of free-piston diesel engine combustion
TL;DR: In this paper, the in-cylinder gas motion, combustion process and nitrogen oxide formation in a free-piston diesel engine and compares the results to those of a conventional engine, using a computational fluid dynamics engine model.