Project description
Controlling hydrogen volatility and nitride oxide emissions in gas turbine engines
Hydrogen is viewed as a future clean replacement for fossil-based transport fuels. However, despite its promise, concerns arise regarding the safety of the fuel cell technology and the volatility of hydrogen fuel. What is more, hydrogen combustion produces high levels of nitrogen oxide (NOx) emissions. The ERC-funded OTHERWISE project will study for the first time intensive strain and water injection in the context of lean premixed combustion. OTHERWISE will rely on previous research that has shown that intensive strain combined with water injection helps reduce NOx emissions significantly and prevents common combustion instabilities in lean premixed combustion.
Objective
We are racing against time to find a clean, yet abundant, energy source able to arrest global warming. Hydrogen has all the characteristics to address this challenge: it can be produced cleanly from water; it is incredibly energetic; and more importantly, it is carbon-free. However, hydrogens strong reactivity and diffusivity make the control of its flame in energy-generation devices extremely challenging. Moreover, toxic nitric oxides (NOx), a major concern for air quality, are still abundantly produced in a hydrogen flame. Enabling the use of hydrogen requires thus solutions where the flame is stable and with ultra-low NOx at the same time, and at any power setting.
In this research I will study, for the first time, the combination of intensive strain and water injection in the context of lean premixed combustion. My preliminary research has indicated that intensive strain improves the reactivity of the hydrogen flame and simultaneously pushes the NOx down significantly, a property yet to be understood. Water injection further pushes down the NOx, but it commonly causes flame extinctions and inefficiencies. Its combination with hydrogen and intensive strain, by enhancing the flame, offers a way of surpassing these limitations, and further allows to operate the flame at richer conditions, so preventing common instabilities from occurring in lean premixed combustion.
The objective of this research is to push the hydrogen flame into a high-strain regime characterised by stable flame and ultra-low NOx, and find the extreme limits and physical knowledge allowing full control of the reacting flow in such a regime. The flame dynamics, still unknown in this regime, will be explored for the first time and fully characterised in this research by using high-fidelity simulations, experiments and theoretical analyses. The gathered understanding will allow the control of hydrogen flames at any power setting. This will pave the way for the exploitation of green energy.
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Keywords
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-ERC - HORIZON ERC Grants
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2022-STG
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
2628 CN Delft
Netherlands
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