Adrian Breicher

Adrian Breicher
Darmstadt University of Applied Sciences · Department of Mechanical and Plastics Engineering

Master of Engineering

About

7
Publications
664
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53
Citations

Publications

Publications (7)
Article
Full-text available
Polyhedral Bunsen flames, induced by hydrodynamic and thermo-diffusive instabilities, are characterized by periodic trough and cusp cellular structures along the conical flame front. In this study, the effects of flow velocity, hydrogen content, and equivalence ratio on the internal cellular structure of premixed fuel-lean hydrogen/methane/air poly...
Article
Full-text available
Fundamental studies on the effects of differential diffusion of hydrogen (H2) on flame structure are motivated as the high diffusivity of H2 presents challenges for the modeling and optimization of combustion systems. Polyhedral Bunsen flames are examples of cellular flames mainly induced by the thermal-diffusive and hydrodynamic instabilities, whi...
Article
In premixed flame propagation of lean hydrogen or hydrogen-enriched blends, both hydrodynamic and thermo-diffusive instabilities are governing the flame front shape and affect its propagation velocity. As a result, different types of cellular patterns can occur along the flame front in a laminar scenario. In this context, an interesting phenomenon...
Article
Hydrogen is a carbon-free energy carrier that can substantially support the decarbonization of the power generation and transportation sector in the near future. Blending H2 into natural gas represents a feasible option to continue using the current infrastructure, allowing a smooth transition to pure H2 combustion technologies. In the present stud...
Article
In this study the characteristics of multi-regime combustion are investigated using a multi-regime burner with well-defined inflow boundary conditions. Based on previous findings, the range of operating conditions is extended. Fluid dynamical and thermochemical states are analysed for a variety of fuel/air ratios. Based on comprehensive Raman/Rayle...

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