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COMPUTATIONAL STUDIES OF SWIRL RATIO AND INJECTION TIMING ON ATOMIZATION IN A DIRECT INJECTION DIESEL ENGINE

Renganathan Manimarana, Rajagopal Thundil Karuppa Rajb,*

a Thermal and Automotive Research Group, School of Mechanical and Building Sciences, VIT Chennai, Tamilnadu, India
b Energy Division, School of Mechanical and Building Sciences, VIT Vellore, Tamilnadu, India

* Corresponding Author: E-mail: email

Frontiers in Heat and Mass Transfer 2014, 5, 1-9. https://doi.org/10.5098/hmt.5.2

Abstract

Diesel engine combustion modeling presents a challenging task with the formation and breakup of spray into droplets. In this work, 3D-CFD computations are performed to understand the behaviour of spray droplet diameter and temperature during the combustion by varying the swirl ratio and injection timing. After the validation and grid and time independency tests, it is found that increase in swirl ratio from 1.4 to 4.1 results in peak pressure rise of 8 bar and an advancement of injection timing from 6 deg bTDC to 20 deg bTDC results in increase of peak pressure by 15 %.

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APA Style
Manimaran, R., Raj, R.T.K. (2014). COMPUTATIONAL STUDIES OF SWIRL RATIO AND INJECTION TIMING ON ATOMIZATION IN A DIRECT INJECTION DIESEL ENGINE. Frontiers in Heat and Mass Transfer, 5(1), 1-9. https://doi.org/10.5098/hmt.5.2
Vancouver Style
Manimaran R, Raj RTK. COMPUTATIONAL STUDIES OF SWIRL RATIO AND INJECTION TIMING ON ATOMIZATION IN A DIRECT INJECTION DIESEL ENGINE. Front Heat Mass Transf. 2014;5(1):1-9 https://doi.org/10.5098/hmt.5.2
IEEE Style
R. Manimaran and R.T.K. Raj, "COMPUTATIONAL STUDIES OF SWIRL RATIO AND INJECTION TIMING ON ATOMIZATION IN A DIRECT INJECTION DIESEL ENGINE," Front. Heat Mass Transf., vol. 5, no. 1, pp. 1-9. 2014. https://doi.org/10.5098/hmt.5.2



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