Title: Energy and exergy analyses of hydrogen addition in a diesel engine

Authors: Kubilay Bayramoğlu; Semih Yilmaz; Mustafa Nuran

Addresses: Department of Marine Engineering, Dokuz Eylul University, Tinaztepe Campus, İzmir, Turkey; Bulent Ecevit University, 67100 Merkez/Zonguldak, Turkey ' Department of Marine Engineering, Dokuz Eylul University, Tinaztepe Campus, İzmir, Turkey ' Department of Marine Engineering, Dokuz Eylul University, Tinaztepe Campus, İzmir, Turkey

Abstract: In the study, the effect of hydrogen addition with air taken from the intake manifold at different rates on performance and emissions in a single-cylinder, four-stroke diesel engine has been numerically investigated. The first and second law analyses of thermodynamics are performed for each hydrogen addition condition. Numerical analysis has been performed with ANSYS-Forte, energy and exergy calculations have been carried out according to the analysis results. The results of the analysis show that with the addition of hydrogen, CO emissions decrease while the engine performance and NO_x emissions increase.

Keywords: diesel engine; chemical exergy; combustion; hydrogen addition.

DOI: 10.1504/IJEX.2022.122076

International Journal of Exergy, 2022 Vol.37 No.4, pp.377 - 392

Received: 22 Dec 2020
Accepted: 28 Jun 2021
Published online: 08 Apr 2022 *

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