Hydrogen Combustion:Features and Barriers to its Exploitation in the Energy Transition

Eugenio Giacomazzi; Guido Troiani; Antonio Di Nardo; Giorgio Calchetti; Donato Cecere; Giuseppe Messina; Simone Carpenella

doi:10.20944/preprints202309.1834.v1

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preprints.org > engineering > energy and fuel technology > doi: 10.20944/preprints202309.1834.v1

Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Hydrogen Combustion:Features and Barriers to its Exploitation in the Energy Transition

^* ,

Version 1 : Received: 26 September 2023 / Approved: 27 September 2023 / Online: 27 September 2023 (08:15:14 CEST)

A peer-reviewed article of this Preprint also exists.

Giacomazzi, E.; Troiani, G.; Di Nardo, A.; Calchetti, G.; Cecere, D.; Messina, G.; Carpenella, S. Hydrogen Combustion: Features and Barriers to Its Exploitation in the Energy Transition. Energies 2023, 16, 7174. Giacomazzi, E.; Troiani, G.; Di Nardo, A.; Calchetti, G.; Cecere, D.; Messina, G.; Carpenella, S. Hydrogen Combustion: Features and Barriers to Its Exploitation in the Energy Transition. Energies 2023, 16, 7174.

Abstract

The aim of this article is to review hydrogen combustion applications within the energy transition framework. Hydrogen blends are also included, from the well known hydrogen enriched natural gas (HENG) to the hydrogen and ammonia blends whose chemical kinetics is still not clearly defined. Hydrogen and hydrogen blends combustion characteristics will be firstly summarized, in terms of standard properties like the laminar flame speed and the adiabatic flame temperature, but also evidencing the critical role of hydrogen preferential diffusion in burning rate enhancement and the drastic reduction in radiative emission with respect to natural gas flames. Then, combustion applications in both thermo-electric power generation (based on internal combustion engines, i.e., gas turbines and piston engines) and hard-to-abate industry (requiring high temperature kilns and furnaces) sectors will be considered, highlighting the main issues due to hydrogen addition related to safety, pollutant emissions, and potentially negative effects on industrial products (e.g., glass, cement and ceramic).

Keywords

hydrogen combustion; hydrogen blends; power generation; gas turbines; hard-to-abate industry

Subject

Engineering, Energy and Fuel Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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