Preliminary analysis of compression system integrated heat management concepts using LH2-based parametric gas turbine model

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dc.contributor.authorAbedi, Hamidreza
dc.contributor.authorXisto, Carlos M.
dc.contributor.authorJonsson, Isak
dc.contributor.authorGrönstedt, Tomas
dc.contributor.authorRolt, Andrew Martin
dc.date.accessioned2022-04-25T14:06:01Z
dc.date.available2022-04-25T14:06:01Z
dc.date.embargo2022-04-25
dc.date.issued2022-04-14
dc.description.abstractThe investigation of the various heat management concepts using LH2 requires the development of a modeling environment coupling the cryogenic hydrogen fuel system with turbofan performance. This paper presents a numerical framework to model hydrogen-fueled gas turbine engines with a dedicated heat-management system, complemented by an introductory analysis of the impact of using LH2 to precool and intercool in the compression system. The propulsion installations comprise Brayton cycle-based turbofans and first assessments are made on how to use the hydrogen as a heat sink integrated into the compression system. Conceptual tubular compact heat exchanger designs are explored to either precool or intercool the compression system and preheat the fuel to improve the installed performance of the propulsion cycles. The precooler and the intercooler show up to 0.3% improved specific fuel consumption for heat exchanger effectiveness in the range 0.5–0.6, but higher effectiveness designs incur disproportionately higher pressure losses that cancel-out the benefits.en_UK
dc.identifier.citationAbedi H, Xisto C, Jonsson I, et al., (2022) Preliminary analysis of compression system integrated heat management concepts using LH2-based parametric gas turbine model. Aerospace, Volume 9, Issue 4, April 2022, Article number 216en_UK
dc.identifier.issn2226-4310
dc.identifier.urihttps://doi.org/10.3390/aerospace9040216
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17799
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcryogenic fuelen_UK
dc.subjectliquid hydrogenen_UK
dc.subjectheat exchangeren_UK
dc.subjectprecoolingen_UK
dc.subjectintercoolingen_UK
dc.subjectThrust Specific Fuel Consumptionen_UK
dc.titlePreliminary analysis of compression system integrated heat management concepts using LH2-based parametric gas turbine modelen_UK
dc.typeArticleen_UK

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