Dynamics of slowly propagating flames: Role of the Rayleigh-Taylor instability

JK Tavares, J Jayachandran - Combustion and Flame, 2024 - Elsevier
Environmental concerns have motivated the development of alternate fuels and refrigerant
working fluids that have low global warming potential. Ammonia (NH 3) is a candidate zero …

Effects of radiation heat loss on planar and spherical hydrofluorocarbon/air flames

JK Tavares, V Gururajan, J Jayachandran - Combustion and Flame, 2023 - Elsevier
Hydrofluorocarbons (HFC), which are mildly flammable and pose potential fire risks, have
received greater attention as a viable low global warming potential alternative to traditional …

Accurately measuring slowly propagating flame speeds: Application to ammonia/air flames

J Mathew, JK Tavares, J Jayachandran - Combustion and Flame, 2025 - Elsevier
Environmental concerns have driven the development of alternative fuels and refrigerant
working fluids with low global warming potential. Ammonia (NH 3) is a potential zero-carbon …

[HTML][HTML] A well-defined methodology to extract laminar flame speeds at engine-relevant conditions

C Bariki, C Schwenzer, R Hesse, R Glaznev… - Combustion and …, 2024 - Elsevier
This paper presents a new method for accurate laminar flame speed measurements relevant
to engine operating temperature and pressure conditions, where literature data are scarce …

Air humidity influence on combustion of R-1234yf (CF3CFCH2), R-1234ze (E)(trans-CF3CHCHF) and R-134a (CH2FCF3) refrigerants

VI Babushok, GT Linteris - Combustion and flame, 2024 - Elsevier
The influence of air humidity on flame propagation in mixtures of hydrofluorocarbons (HFCs)
with air was studied through numerical simulations and comparison with measurements …

[HTML][HTML] Ultra-slow ammonia flame speeds—A microgravity study on radiation

R Glaznev, C Schwenzer, R Hesse, S Girhe… - Proceedings of the …, 2024 - Elsevier
Ammonia/air flames burn slowly and are consequently affected by buoyancy-, radiation-,
and stretch-related uncertainties more than many conventional hydrocarbon fuels. In this …

[HTML][HTML] Exploring nonlinear flame speed inhibition effects in mixtures of R1234yf and R32 under microgravity conditions

R Hesse, R Glaznev, R Langer, C Schwenzer… - Proceedings of the …, 2024 - Elsevier
This study investigates the flame speed inhibition effects in R1234yf and R32 mixtures, two
hydrofluorocarbon (HFC) refrigerants with low global warming potential but mild …

[PDF][PDF] Simultaneous Particle Image Velocimetry and Schlieren Measurements of Slow-burning Flames C. Schwenzer, R. Hesse1, R. Glaznev1, VI Babushok2, GT …

C Schwenzer, R Hesse, R Glaznev, VI Babushok… - tsapps.nist.gov
Laminar flame speed is a key parameter in understanding a fuel's combustion behavior and
is used to optimize chemical kinetic mechanisms, simulate combustion processes, and …