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Environmental Science and Pollution Research

, Volume 26, Issue 10, pp 9552–9560 | Cite as

Effect of induction hydroxy and hydrogen along with algal biodiesel blend in a CI engine: a comparison of performance and emission characteristics

  • Md. Atiqur RahmanEmail author
Research Article
  • 933 Downloads

Abstract

Gaseous fuel as a combustion enhancer with a pilot fuel offers significant benefits in improving engine efficiency. Hydrogen and hydroxy are the two most common gaseous fuels that have been widely investigated in the CI engine but which one performs best is still inconvenient. In this study, hydrogen and hydroxy were injected with BD40 (v/v) separately in a common diesel engine to compare the performance and emission characteristics of these fuels. Engine performance parameters include brake thermal efficiency (BTE) and brake-specific energy consumption (BSEC), and exhaust emissions include hydrocarbon (HC), CO, CO2, NOx, and smoke opacity. The induction of both hydroxy and hydrogen with BD40 has a positive effect on engine performance and emissions except NOx when compared to neat diesel fuel and BD40. The BTE of hydroxy-rich BD40 increased by 7.2% while BSEC reduced by 7.6% as compared to BD40 with hydrogen. The CO, HC, and smoke opacity of hydroxy-operated engine was found to be better than hydrogen-inducted engine. The NOx emission increased with the induction of both gaseous fuels and hydroxy-enriched BD40 produced 12.5% more emission than hydrogen-operated BD40 engine. Thus, more concisely, hydroxy-operated biodiesel engine performed better than hydrogen engine in terms of BTE, BSEC, CO, HC, and smoke opacity.

Keywords

Biodiesel Hydrogen gas Hydroxy gas CI engine Engine performance Exhaust emissions 

Abbreviations

CI

Compression ignition

HHO

Hydroxy gas

BP

Brake power

DF

Diesel fuel

BD40

40% biodiesel + 80% DF (v/v)

FC

Fuel consumption

BSEC

Brake-specific energy consumption

BTE

Brake thermal efficiency

EGT

Exhaust gas temperature

HC

Hydrocarbon

NOx

Nitrogen oxides

LPG

Liquefied petroleum gas

LNG

Liquefied natural gas

lpm

Liter per minute

Notes

Acknowledgements

This experiment has been carried out in Institute of Fuel Research & Development (IFRD), Dhaka, Bangladesh. The authors would like to thank Lab expert for the technical assistance.

Funding information

Ministry of Power, Energy and Mineral Resources, Bangladesh provided partial financial support through research program.

Supplementary material

11356_2019_4380_MOESM1_ESM.docx (17 kb)
ESM 1 (DOCX 17 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Bangladesh Power Development Board, Ministry of Power, Energy and Mineral ResourcesPower DivisionDhakaBangladesh

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