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Effect of varying biogas mass flow rate on performance and emission characteristics of a diesel engine fuelled with blends of n-butanol and diesel

Authors
  • Goga, Geetesh1
  • Chauhan, Bhupendra Singh2
  • Mahla, Sunil Kumar3
  • Dhir, Amit4
  • Cho, Haeng Muk5
  • 1 Lovely Professional University, Phagwara, Punjab, India , Phagwara (India)
  • 2 Meerut Institute of Engineering and Technology, Meerut, Uttar Pradesh, India , Meerut (India)
  • 3 IKG Punjab Technical University, Kapurthala, Punjab, India , Kapurthala (India)
  • 4 Thapar Institute of Engineering and Technology, Patiala, India , Patiala (India)
  • 5 Kongju National University, Cheonan, South Korea , Cheonan (South Korea)
Type
Published Article
Journal
Journal of Thermal Analysis and Calorimetry
Publisher
Springer Netherlands
Publication Date
Nov 19, 2019
Volume
140
Issue
6
Pages
2817–2830
Identifiers
DOI: 10.1007/s10973-019-09055-1
Source
Springer Nature
Keywords
License
Yellow

Abstract

Dwindling petroleum products and environment degradation, owing to the gases from the exhaust tailpipe of compression ignition engines, have obligated the investigators to invent some unconventional fuel. Current experimentation aimed to evaluate the combustion, performance and emission characteristics of a dual fuel engine by using blends of diesel and n-butanol as pilot fuel with biogas as primary fuel. Under dual fuel mode, biogas at different mass flow rates (0.5, 1.2 and 2.0 kg h−1) was admitted into the engine through inlet manifold and blends of n-butanol with diesel (D90/nb10 and D80/nb20) were injected as a pilot fuel to initiate the combustion. The fuel properties of the tested fuels were measured as per ASTM standards. The engine testing was carried out at constant speed of 1500 rpm and different engine loads. The experimental results depict that under dual fuel mode, brake-specific fuel consumption increased by 22.6% and brake thermal efficiency of the engine decreased by 11.9% in comparison to conventional diesel. As far as emissions are concerned, carbon monoxide and hydrocarbon emissions increased by 50.8 and 11.9%, respectively, whereas NOx and smoke opacity decreased by 19.8 and 40.9%, respectively, when compared to conventional diesel. Thus, such fuel combinations can be used in existing diesel engines for addressing long term energy needs and solving environmental associated challenges.

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