Descripción del proyecto
Entender las características del gas natural potenciado por hidrógeno
Existe una demanda de combustibles alternativos como solución contra el aumento de la degradación medioambiental. El gas natural potenciado por hidrógeno se presenta como un factor esencial en el proceso de descarbonización del gas destinado a edificios de viviendas y la generación de electricidad. Sin embargo, los conocimientos sobre las características de explosión y combustión turbulenta del gas natural potenciado por hidrógeno son limitados, lo cual desacelera su expansión comercial. El proyecto HYGAS, financiado con fondos europeos, abordará esta brecha de conocimiento mediante del desarrollo de la comprensión de las características de la combustión turbulenta del gas natural potenciado por hidrógeno. El proyecto usará estudios numéricos junto con datos experimentales actuales. Así, desarrollará un sólido método de modelización para la combustión con mecanismos de reacción química reducidos con el objetivo de permitir el acoplamiento eficaz en modelos de dinámica de fluidos computacional.
Objetivo
The growing crisis of serious environmental degradation necessitates the demand for alternative fuels. Hydrogen-enhanced natural gas is playing an increasingly important role to decarbonize the gas going into people’s homes and for power generation. However, there are substantial knowledge gap concerning the turbulent combustion and explosion characteristics of hydrogen-enhanced natural gas, which makes great challenge in associated combustion systems and safety issues. Such knowledge gaps hinder the progress of wide deployment of Hydrogen-enhanced natural gas to achieve the ambitious target for decarbonization.
The proposed research aims to bridge these knowledge gaps by gaining insight about the turbulent combustion characteristics of hydrogen-enhanced natural gas through numerical studies aided by existing experimental data. The Fellow will develop a robust modelling approach for the combustion of such blended fuel with reduced chemical reaction mechanism to facilitate effective coupling with computational fluid dynamics (CFD) models. The reduced mechanism will be designed to firstly reproduce the fundamental combustion characteristics concerning ignition and laminar flame speed for validation before being implemented in open source CFD code OpenFOAM. The following specific research objectives are set towards achieving this goal:
⁃ Improve detailed kinetic mechanism HP-Mech for hydrogen-enriched natural gas and validate the mechanism with available laminar flame speed, ignition delay time, and species profile, etc. in the literature;
⁃ Develop reduced kinetic mechanism using the PFA method and perform validations through comparison with the predictions of the detailed mechanism;
⁃ Conduct CFD simulations using the newly developed reduced mechanism for small scale scenarios where test data are available for validation;
⁃ Extend CFD simulations to medium and large-scale scenarios for validation as well as applications.
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MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)Coordinador
GU2 7XH Guildford
Reino Unido