The objective of this study is to construct a regime diagram for laminar flames stabilized behind flame holders with respect the presence recirculation zone (RZ), trend heat loss burner, and flow strain curvature effects. This achieved by varying radius cylindrical holder mixture velocity between flashback limit blow-off at fixed equivalence ratio. It found that all holders, RZ vortex not prese...

A numerical study on mixing of hydrogen injected transversely into a supersonic air stream has been performed by solving Two-Dimensional full Navier-Stokes equations. An explicit Harten-Yee Non-MUSCL Modified-flux-type TVD scheme has been used to solve the system of equations, and a zero-equation algebraic turbulence model to calculate the eddy viscosity coefficient. The main objectives of this...

The trend towards performance-based codes for achieving acceptable fire safety creates a significant demand for improved material properties and computer fire models. The performance-based engineering analysis is very difficult to achieve for wood-based materials because of their complex physical processes for pyrolysis and combustion. To address this need the cone calorimeter (ASTM E1354) was ...

Improving the performance of flame holders has been a key focus research on ramjet combustors. The plasma actuator potential to improve ignition by manipulating flow field holder. In this study, plasma-actuated holder was designed. aim study is combustor applying discharge aerodynamic effects and were investigated. results demonstrated that induced jet direction surface arc perpendicular actuat...