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Volume 15
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Article

Exploring the Effects of DEE Pilot Injection on a Biogas-Fueled HCCI Engine at Different Injection Locations

by
Nihal Mishra
1,
Shubham Mitra
1,
Abhishek Thapliyal
1,
Aniket Mahajan
1,
T. M. Yunus Khan
2,*,
Sreekanth Manavalla
1,3,
Rahmath Ulla Baig
4,
Ayub Ahmed Janvekar
1 and
Feroskhan M
1,*
1
School of Mechanical Engineering (SMEC), VIT Chennai, Chennai 600127, India
2
Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
3
Electric Vehicles Incubation, Testing and Research Center, VIT Chennai, Chennai 600127, India
4
Department of Industrial Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
*
Authors to whom correspondence should be addressed.
Sustainability 2023, 15(13), 10713; https://doi.org/10.3390/su151310713
Submission received: 7 May 2023 / Revised: 28 June 2023 / Accepted: 30 June 2023 / Published: 7 July 2023
(This article belongs to the Section Energy Sustainability)
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Abstract

One of the popular ways to minimise the impact of emissions produced by engines is by enabling alternative fuels. Out of the many trending options for alternative fuels, biogas provides some unique advantages, such as being considered to be environmentally friendly, obeying the laws of renewable energy and generating the smallest carbon footprints. The two major drawbacks of traditional diesel engines are their high rate of NOx and significant amount of soot. The best candidates for overcoming these issues are HCCI engines; HCCI engines can provide better control over NOx generation and overall thermal efficiency can be improved to a greater level. These types of engines are compatible with both SI and CI. Now, to understand and analyse the behaviour of HCCI, the present work was focused on a modified single-cylinder CI engine. It was made to operate in HCCI mode by enabling the combination of biogas, along with diethyl ether (DEE), as a fuel mixture. To achieve better combustion, biogas was combined with air, while DEE acted as an ignition source, which can be introduced at three different locations. In total, the experiment was performed sixty times so as to achieve the best injection position. To obtain this information, other parameters, such as biogas flow rate, torque, methane fraction and DEE injection position, were also incorporated. The main results were consolidated by warping the output parameters such as brake thermal efficiency, equivalence ratio, air–fuel ratio, and brake-specific fuel consumption. Emission such as CO, HC, NOx, and smoke were taken into account. The results indicate that port injection provides higher thermal efficiency than manifold injections, while lower emissions were observed in manifold injections.
Keywords: biogas; DEE; manifold injection; port injection ultra-low NOx; HCCI biogas; DEE; manifold injection; port injection ultra-low NOx; HCCI

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MDPI and ACS Style

Mishra, N.; Mitra, S.; Thapliyal, A.; Mahajan, A.; Khan, T.M.Y.; Manavalla, S.; Baig, R.U.; Janvekar, A.A.; M, F. Exploring the Effects of DEE Pilot Injection on a Biogas-Fueled HCCI Engine at Different Injection Locations. Sustainability 2023, 15, 10713. https://doi.org/10.3390/su151310713

AMA Style

Mishra N, Mitra S, Thapliyal A, Mahajan A, Khan TMY, Manavalla S, Baig RU, Janvekar AA, M F. Exploring the Effects of DEE Pilot Injection on a Biogas-Fueled HCCI Engine at Different Injection Locations. Sustainability. 2023; 15(13):10713. https://doi.org/10.3390/su151310713

Chicago/Turabian Style

Mishra, Nihal, Shubham Mitra, Abhishek Thapliyal, Aniket Mahajan, T. M. Yunus Khan, Sreekanth Manavalla, Rahmath Ulla Baig, Ayub Ahmed Janvekar, and Feroskhan M. 2023. "Exploring the Effects of DEE Pilot Injection on a Biogas-Fueled HCCI Engine at Different Injection Locations" Sustainability 15, no. 13: 10713. https://doi.org/10.3390/su151310713

APA Style

Mishra, N., Mitra, S., Thapliyal, A., Mahajan, A., Khan, T. M. Y., Manavalla, S., Baig, R. U., Janvekar, A. A., & M, F. (2023). Exploring the Effects of DEE Pilot Injection on a Biogas-Fueled HCCI Engine at Different Injection Locations. Sustainability, 15(13), 10713. https://doi.org/10.3390/su151310713

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