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Article

Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends

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Department of Mechanical Engineering, K. L. Deemed to be University, Green Fields, Vaddeswaram 520002, India
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Department of Mechanical Engineering, Jawaharlal Nehru Technological University College of Engineering Hyderabad, Kukatpally, Hyderabad 500085, India
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Department of Mechanical Engineering, BVB College of Engineering and Technology, KLE Technological University, Vidyanagar, Hubli 580031, India
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Department of Mechanical Engineering, School of Technology, Glocal University, Delhi-Yamunotri Marg 247121, Uttar Pradesh, India
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Mechanical Engineering Department, College of Engineering, King Khalid University, Asir-Abha 61421, Saudi Arabia
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Authors to whom correspondence should be addressed.
Academic Editor: Kumarasamy Sudhakar
Sustainability 2021, 13(17), 9613; https://doi.org/10.3390/su13179613
Received: 16 July 2021 / Revised: 11 August 2021 / Accepted: 12 August 2021 / Published: 26 August 2021
(This article belongs to the Special Issue Renewable Biodiesel/Green Diesel for a Sustainable Future)
Environmentally friendly, renewable, and green fuels have many benefits over fossil fuels, particularly regarding energy efficiency, in addition to addressing environmental and socioeconomic problems. As a result, green fuels can be used in transportation and power generating applications. Furthermore, being green can ably address the emission-related issues of global warming. In view of the advantages of renewable fuels, two B20 fuel blends obtained from methyl esters of cashew nutshell (CHNOB), jackfruit seed (JACKFSNOB), and jamun seed oils (JAMSOB) were selected to evaluate the performance of a common rail direct injection (CRDI) engine. Compatibility of the nozzle geometry (NG) and combustion chamber shape (CCS) were optimized for increased engine performance. The optimized CCS matched with an increased number of injector nozzle holes in NG showed reasonably improved brake thermal efficiency (BTE), reduced emissions of smoke, HC, and CO, respectively, while NOx increased. Further combustion parameters, such as ignition delay (ID) and combustion duration (CD) reduced, while peak pressure (PP) and heat release rates (HRR) increased at the optimized injection parameters. The CRDI engine powered with JAMSOB B20 showed an increase in BTE of 4–5%, while a significant reduction in HC and CO emissions was obtained compared to JACKFSNOB B20 and CHNOB B20, with increased NOx. View Full-Text
Keywords: cashew nutshell oil methyl ester (CHNOB); jamun seed oil methyl ester (JAMSOB); jackfruit seed oil methyl ester (JACKFSNOB); CRDI; combustion chamber shape; nozzle geometry; combustion and emissions cashew nutshell oil methyl ester (CHNOB); jamun seed oil methyl ester (JAMSOB); jackfruit seed oil methyl ester (JACKFSNOB); CRDI; combustion chamber shape; nozzle geometry; combustion and emissions
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MDPI and ACS Style

Teja, K.M.V.R.; Prasad, P.I.; Reddy, K.V.K.; Banapurmath, N.R.; Soudagar, M.E.M.; Khan, T.M.Y.; Badruddin, I.A. Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends. Sustainability 2021, 13, 9613. https://doi.org/10.3390/su13179613

AMA Style

Teja KMVR, Prasad PI, Reddy KVK, Banapurmath NR, Soudagar MEM, Khan TMY, Badruddin IA. Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends. Sustainability. 2021; 13(17):9613. https://doi.org/10.3390/su13179613

Chicago/Turabian Style

Teja, K. M.V.R., P. I. Prasad, K. V.K. Reddy, N. R. Banapurmath, Manzoore E.M. Soudagar, T. M.Y. Khan, and Irfan A. Badruddin. 2021. "Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends" Sustainability 13, no. 17: 9613. https://doi.org/10.3390/su13179613

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