Hydrogen fuel supply system and re-heat gas turbine combustion | Zendy

Nils Erland L. Haugen | Zendy; Christian Brunhuber | Zendy; Marie Bysveen | Zendy

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Hydrogen fuel supply system and re-heat gas turbine combustion

Author(s) -

Nils Erland L. Haugen,

Christian Brunhuber,

Marie Bysveen

Publication year - 2012

Publication title -

energy procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.474

H-Index - 81

ISSN - 1876-6102

DOI - 10.1016/j.egypro.2012.06.049

Subject(s) - combustion , combustor , hydrogen fuel enhancement , waste management , ignition system , hydrogen , nuclear engineering , environmental science , fuel mass fraction , combustion chamber , engineering , chemistry , vapor lock , aerospace engineering , organic chemistry

Carbon Capture and Storage (CCS) based on the pre-combustion routine involves a fuel supply and gas turbine combustion system which must handle a fuel with a very high content of Hydrogen. This might cause problems related to ignition and auto-oxidation in the piping in addition to thermo-acoustic instabilities, flash back and increased emissions in the gas turbine. In this work it is found that for typical fuel compositions problems with self ignition and auto-oxidation in the fuel supply system is avoided if the mixture temperature is kept below 400°C and the fraction of Oxygen in the fuel does not exceed 3%. Furthermore it is shown that even a reheat combustor can be fuelled with up to 70% Hydrogen and 30% Nitrogen as diluent at full load without problems with combustion instabilities or NOx emissions when inline fuel injection is used together with appropriate mixing devices

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