Design and Analysis of Intake Port of Diesel Engine for Target Value of Swirl

Sabale, S.K.; Sanap, S.B.

doi:10.12691/ajme-1-5-6

Cited by 14 publications

(7 citation statements)

References 10 publications

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“…In previous research data, it was said that installing swirl generator increases the swirl performance but decreases the volumetric efficiency. 4,[19][20][21] HSSIV proposed in this study is considered to be an effective method to increase the mixing performance of air and fuel and to increase combustion efficiency by increasing the swirl ratio and TKE without having a negative effect on the volumetric efficiency from its geometrical characteristics.…”

Section: Discussionmentioning

confidence: 99%

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Effect of the helical-spiral shroud intake valve on flow in cylinder of internal combustion engine

Choe¹,

Kang²,

et al. 2022

International Journal of Engine Research

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In this paper, we proposed a method to increase the mixing performance of gasoline and intake air by attaching a helical-spiral shroud to the intake valve. The effect of the height and revolution number of helical-spiral shroud on the generation of swirl in the engine cylinder are analyzed. The height is 20 and 25 mm, and the revolution number is changed to 1 and 1.5 turns. A three-dimensional simulation model using the shear stress transport k–ω model is used as the turbulence model to predict the air flow characteristics through the intake valve and engine cylinder in the intake and compression strokes. As a result, the helical-spiral shroud intake valve (HSSIV) generally increases the swirl ratio compared to the general valve, and the swirl ratio in the HSSIV with a height of 20 mm and revolution number of one turn has a maximum value of 77 around 90CAD. It also shows that HSSIV has little effect on the volumetric efficiency reduction while increasing the swirl ratio from different geometrical properties than the conventional shroud valves.

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Section: Discussionmentioning

confidence: 99%

“…The results showed that as the valve shroud angle increased, the swirl increased and conversely the volumetric efficiency decreased. Sabale and Sanap 20 studied the influence of the helical inlet port design parameters (dimensions and angles) on the swirl generation.…”

Section: Introductionmentioning

confidence: 99%

Effect of the helical-spiral shroud intake valve on flow in cylinder of internal combustion engine

Choe¹,

Kang²,

et al. 2022

International Journal of Engine Research

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“…The most important function of Diesel engine combustion chamber is to provide proper air and fuel mixture in short span of time. In order to get this, an proper air movement named as swirl is provided to generate high relative velocity between the air and fuel droplet [1]. During the air jet is injected into the combustion chamber, the spray cone getting disturbed due to air motion inside that can be guided by the intake port, makes it necessary to study the helical port design in detail.…”

Section: Introductionmentioning

confidence: 99%

Studies on the efficacy of helical port design using computationla fluid dynamics

Joswa¹,

Subramanian²,

Pandiyan³

et al. 2020

THERM SCI

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Original scientific paper https://doi.org/10.2298/TSCI190709441JIn-cylinder gas motion is the essential parameter that enhances fuel-air mixing and increases the combustion rate and governs the performance and emission of the engine. It also has significant impact on heat transfer. Angling the intake port into various angles is the one of the method to enhance swirl motion inside the combustion chamber. In this project, direct port is converted into helical port to analyze the air motion inside the engine cylinder. In order to analyze the effect of helical port design the various flow parameters such as swirl ratio, flow coefficient, and turbulent kinetic energy are calculated. By angling the intake port, swirl generation during suction stroke is comparatively larger than direct port. A commercial CFD software STAR-CCM is used to analyze the in-cylinder air motion.

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“…S.K Sabaleand S.B. Sanab [4] has developed a methodology for design of helical inlet port targeting high swirl number of the order of 1.8 and experimentally tested in paddle wheel facility.…”

Section: Introductionmentioning

confidence: 99%

Experimental Studies on the Intake Port of a Diesel Engine to Determine Swirl

Shankar

Thejaraju²,

Varunraju³

et al. 2016

IJMECH

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This paper focuses on experimentalstudies of intake port of a four cylinder diesel engine for different vacuum pressures and valve lift positions. In this study, the cylinder head is experimented through a paddle wheel flow setup, which gives the flow coefficient and swirl number asoutput. Main scope of the work is to understand the flow behaviour through the intake port and finally to determine mean flow coefficient and mean swirl number for different valve lift ratios L/D, where L is valve lift and D is bore diameter. KEYWORDSExperimental study,Intake port, mean swirl number, mean flow coefficient, L/D ratio.

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Design and Analysis of Intake Port of Diesel Engine for Target Value of Swirl

Cited by 14 publications

References 10 publications

Effect of the helical-spiral shroud intake valve on flow in cylinder of internal combustion engine

Effect of the helical-spiral shroud intake valve on flow in cylinder of internal combustion engine

Studies on the efficacy of helical port design using computationla fluid dynamics

Experimental Studies on the Intake Port of a Diesel Engine to Determine Swirl

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