Heat Transfer Enhancement in Cooling Jacket of Liquid Cooled Spark Ignition Engine

Faisal Mehmood, Hussain Ahmed Tariq, Muhammad Anwar (), Hassan Elahi, Muhammad Raheel Bhutta (), Talha Irfan Khan, Asif Israr, Muhammad Umer, Usama Waleed Qazi and Usman Ghafoor
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Faisal Mehmood: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Hussain Ahmed Tariq: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Muhammad Anwar: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Hassan Elahi: Department of Mechatronics Engineering, College of Electrical and Mechanical Engineering, National University of Science and Technology, Islamabad 44000, Pakistan
Muhammad Raheel Bhutta: Department of Electrical and Computer Engineering, University of UTAH Asia Campus, Incheon 21985, Republic of Korea
Talha Irfan Khan: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Asif Israr: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Muhammad Umer: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Usama Waleed Qazi: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
Usman Ghafoor: Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan

Energies, 2023, vol. 16, issue 13, 1-14

Abstract: Thermal stresses due to long running of spark ignition engine often results in wear and tear of cylinder near the top dead center (TDC). These high thermal stresses at TDC arise due to the high temperature gradient during spark ignition. This situation eventually decreases the life and efficiency of an engine. In this study, the numerical and analytical analysis was carried out on 1298 cc in line four stroke spark ignition (SI) engine having a power output of 63 kW to drop the peak temperature at TDC. to reduce the peak value of temperature, square pin fins were used on the surface of engine cylinder wall near TDC. A parametric study is performed to get an optimal solution for removal of the peak temperature load at TDC. The results showed that the fins with dimension of 4 × 4 × 4 m m 3 along with uniform spacing of 2 mm provide the optimum solution. It has been observed that the peak temperature at TDC dropped down considerably from 160 °C to 133 °C (a percentage reduction of 16.87%) for the pin fins case as compared to without the fin case. Furthermore, the heat transfer effectiveness for the optimum case was calculated as 3.32, whereas for numerical and analytical study it was calculated as 3.43. The error recorded between both the values was limited to 3.2%.

Keywords: pin fins; heat transfer effectiveness; conjugate heat transfer; cooling jacket; spark ignition engine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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