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Effect of Hydrogen-Diesel Dual Fuel Combustion on the Performance and Emission Characteristics of a Four Stroke-Single Cylinder Diesel Engine
The present work attempts to investigate the combustion, performance and emission characteristics of an existing single-cylinder four-stroke compression-ignition engine operated in dual-fuel mode with hydrogen as an alternative fuel. Environmental concerns and limited amount of petroleum fuels have caused interests in the development of alternative fuels like hydrogen for internal combustion (IC) engines. In this experimental investigation, a diesel engine is made to run using hydrogen in dual fuel mode with diesel, where hydrogen is introduced into the intake manifold using an LPGCNG injector and pilot diesel is injected using diesel injectors. A Timed Manifold Injection (TMI) system has been developed to vary the injection strategies. The optimized timing for the injection of hydrogen was 10^0 CA after top dead center (ATDC). From the study it was observed that with increasing hydrogen rate, enhancement in brake thermal efficiency (BTHE) of the engine has been observed with reduction in brake specific energy consumption (BSEC). Furthermore, Soot contents decrease with an increase in indicated specific NOx emissions with the enhancement of hydrogen flow rate.
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[1] J.M. Gomes Antunes, R. Mikalsen, A.P. Roskilly, An experimental study of a direct injection compression ignition hydrogen engine, International Journal of Hydrogen Energy, Volume 34, Issue 15, August 2009, Pages 6516-6522, ISSN 0360-3199,
[2] Biplab K. Debnath, Ujjwal K. Saha, Niranjan Sahoo. Effect of hydrogen-diesel quantity variation on brake thermal efficiency of a dual fuelled diesel engine. Journal of Power Technologies 92 (1) (2012) 55- 67.
[3] N. Saravanan, G. Nagarajan, Performance and emission studies on port injection of hydrogen with varied flow rates with Diesel as an ignition source, Applied Energy, Volume 87, Issue 7, July 2010, Pages 2218- 2229, ISSN 0306-2619,
[4] Heffel James W, Mcclanahan Michael N, Norbeck Joseph M. Electronic fuel injection for hydrogen fueled internal combustion engines. SAE Transactions 1998. 981924.
[5] G.P. Prabhukumar, S. Swaminathan, B. Nagalingam, K.V. Gopalakrishnan, Water induction studies in a hydrogen-diesel dual-fuel engine, International Journal of Hydrogen Energy, Volume 12, Issue 3, 1987, Pages 177-186, ISSN 0360-3199, 3199(87)90151-0.
[6] Y. J. Qian, C. J. Zuo, J. T. H. M. Xu, Effect of intake hydrogen addition on performance andemission characteristics of a diesel engine with exhaust gas recirculation, proceedings of the institution of mechanical engineers, Journal of Mechanical Engineering Science 225 (2011) 1919- 1925.
[7] L.M Das, Near-term introduction of hydrogen engines for automotive and agricultural application, International Journal of Hydrogen Energy, Volume 27, Issue 5, May 2002, Pages 479-487, ISSN 0360-3199,
[8] N. Saravanan, G. Nagarajan, C. Dhanasekaran, K.M. Kalaiselvan, Experimental investigation of hydrogen port fuel injection in DI diesel engine, International Journal of Hydrogen Energy, Volume 32, Issue 16, November 2007, Pages 4071-4080, ISSN 0360-3199,
[9] Madhujit Deb, Rahul Banerjee, Arindam Majumder, G.R.K. Sastry, Multi objective optimization of performance parameters of a single cylinder diesel engine with hydrogen as a dual fuel using pareto-based genetic algorithm, International Journal of Hydrogen Energy, Volume 39, Issue 15, 15 May 2014, Pages 8063-8077, ISSN 0360-3199,
[10] P. K. Bose, R. Banerjee, An Experimental Investigation on the Role of Hydrogen in the Emission Reduction and Performance Trade-Off Studies in an Existing Diesel Engine Operating in Dual Fuel Mode Under Exhaust Gas Recirculation, Journal of Energy Resources Technology(ASME), March 2012, Vol. 134 / 012601-15.
[11] IS 10,000(Part 8):1980 (Reaffirmed Aug 2010; Amendments: 1): Methods of tests for internal combustion engines: Part 8 Performance tests, Retrieved from: on August, 2010
[12] IS 10,000(Part 6):1980 (Reaffirmed Aug 2010; Amendments: 1):Methods of tests for internal combustion engines: Part 6 Recording of test results, Retrieved from: on August, 2010
[13] Lilik, G, 2007, “Mixing Length of Hydrogen in an Air Intake”, Retrievedfrom: 07Deliverables/Reports/Greg_Lilik_Final_EGEE_520v6.pdf - on 20th July, 2011.
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