Effect of Injection Timing and Injection Duration of Manifold Injected Fuels in Reactivity Controlled Compression Ignition Engine Operated with Renewable Fuels

P. A. Harari, N. R. Banapurmath, V. S. Yaliwal, T. M. Yunus Khan, Irfan Anjum Badruddin, Sarfaraz Kamangar and Teuku Meurah Indra Mahlia
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P. A. Harari: Department of Mechanical Engineering, S.D.M. College of Engineering and Technology, Dharwad 580002, Karnataka, India
N. R. Banapurmath: Department of Mechanical Engineering, B.V.B. College of Engineering and Technology, K.L.E Technological University, Hubballi 580031, Karnataka, India
V. S. Yaliwal: Department of Mechanical Engineering, S.D.M. College of Engineering and Technology, Dharwad 580002, Karnataka, India
T. M. Yunus Khan: Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Irfan Anjum Badruddin: Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Sarfaraz Kamangar: Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Teuku Meurah Indra Mahlia: Centre for Green Technology, School of Civil and Environmental Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, NSW 2007, Australia

Energies, 2021, vol. 14, issue 15, 1-19

Abstract: In the current work, an effort is made to study the influence of injection timing (IT) and injection duration (ID) of manifold injected fuels (MIF) in the reactivity controlled compression ignition (RCCI) engine. Compressed natural gas (CNG) and compressed biogas (CBG) are used as the MIF along with diesel and blends of Thevetia Peruviana methyl ester (TPME) are used as the direct injected fuels (DIF). The ITs of the MIF that were studied includes 45° ATDC, 50° ATDC, and 55° ATDC. Also, present study includes impact of various IDs of the MIF such as 3, 6, and 9 ms on RCCI mode of combustion. The complete experimental work is conducted at 75% of rated power. The results show that among the different ITs studied, the D+CNG mixture exhibits higher brake thermal efficiency (BTE), about 29.32% is observed at 50° ATDC IT, which is about 1.77, 3.58, 5.56, 7.51, and 8.54% higher than D+CBG, B20+CNG, B20+CBG, B100+CNG, and B100+CBG fuel combinations. The highest BTE, about 30.25%, is found for the D+CNG fuel combination at 6 ms ID, which is about 1.69, 3.48, 5.32%, 7.24, and 9.16% higher as compared with the D+CBG, B20+CNG, B20+CBG, B100+CNG, and B100+CBG fuel combinations. At all ITs and IDs, higher emissions of nitric oxide (NOx) along with lower emissions of smoke, carbon monoxide (CO), and hydrocarbon (HC) are found for D+CNG mixture as related to other fuel mixtures. At all ITs and IDs, D+CNG gives higher In-cylinder pressure (ICP) and heat release rate (HRR) as compared with other fuel combinations.

Keywords: manifold injected fuels; manifold injection timing; manifold injection duration; direct injected fuels (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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