Contents

Bulletin of the Lebedev Physics Institute

Vol. 52, No. 2, 2025

Effect of Convection on the Flame Stability and Dynamics in Ultralean Hydrogen–Air Mixtures

I. S. Yakovenko, A. D. Kiverin, and K. S. Melnikova p. S121  abstract

Numerical Study on Combustion of Hydrogen Jet in Supersonic Airflow with Detailed and Skeletal Mechanisms

G. A. Ashirova, A. O. Beketaeva, A. Zh. Naimanova, and V. V. Bykov p. S130  abstract

Chemistry Tabulation: REDIM Based Implementation to Treat Blended Hydrogen–Methane Combustion Systems

V. Bykov, Sudhi Shashidharan, and Ulrich Maas p. S144  abstract

Addressing Axial Singularities in the Cylindrical Laplacian for Nonaxisymmetric Simulations: An Example of the Graetz Problem in Pipes

V. N. Kurdyumov p. S156  abstract

Combustion Regimes of Ultralean Methane–Hydrogen/Air Premixed Flames with Dominant Diffusion Transport Process

A. Demin, S. Mokrin, and S. Minaev p. S163  abstract

Investigation of Two-Dimensional Counterflow Laminar Flame Using Generalized Coordinates Based Reaction-Diffusion Manifold Approach

P. Shrotriya, V. V. Bykov, R. Schießl, C. Yu, and U. Maas p. S170  abstract

Nonlinear Analysis of Outward Propagating Hydrodynamically Unstable Flame at Large Gas Expansion Ratio

S. S. Minaev, V. V. Gubernov, and E. P. Dats p. S178  abstract

Thermal Radiation Characteristics of a Cylindrical Hybrid Porous-Microchannel Counterflow Burner

A. D. Moroshkina, A. A. Ponomareva, V. V. Mislavskii, E. V. Sereshchenko, V. V. Gubernov, S. N. Tskhai, and V. E. Rogozhnikov p. S183  abstract

Automatic Progress Variable Construction for Reduced Combustion Models

Marcel Reinbold, and Robert Schießl p. S192  abstract

On the Simulation of Rapid Compression Machine Autoignition Experiments

Felipe Flores-Carrasco, Rubén Palomeque-Santiago, Robert Schießl, Mariano Rubio-Rubio, Mario Sánchez-Sanz, and Eduardo Fernández-Tarrazo p. S201  abstract

The Effect of the Exit Boundary Condition on the Acoustics of Premixed Flame Propagation in Channels

David Rodríguez-Gutiérrez, Raquel Gómez-Miguel, Eduardo Fernández-Tarrazo, and Mario Sánchez-Sanz p. S213  abstract

Product Channels of the Reaction of Cyanoacetylene with Methylidyne

L. I. Krikunova, M. M. Evseev, D. P. Porfiriev, and V. N. Azyazov p. S222  abstract