Numerical investigation of hydrogen ignition induced by unsteady flow phenomena

AH Alibolandi, AM Tahsini, SA Tabatabaei - International Journal of …, 2024 - Elsevier
The purpose of the present study is to evaluate the possibility of using a gas dynamic heater
as an igniter of the combustible gas mixtures. The impacts of some operating and …

An accurate performance prediction of solid fuel ramjets using coupled intake-combustor-nozzle simulation

AM Tahsini - Journal of Mechanics, 2020 - cambridge.org
The performance of the solid fuel ramjet is accurately predicted using full part simulation of
this propulsion system, where the flow fields of the intake, combustion chamber, and the …

Burning rate augmentation in solid fuel ramjets by swirling inlet air stream

AM Tahsini - Proceedings of the Institution of Mechanical …, 2021 - journals.sagepub.com
The influence of the inlet swirling flow on the regression rate of the fuel in the combustion
chamber of the solid fuel ramjet is investigated in this study using numerical simulations. The …

The response of droplet cloud decomposition to the gas phase excitation

A Sadri, AM Tahsini - Physics of Fluids, 2024 - pubs.aip.org
The purpose of the present work is to investigate the response of an evaporating and
decomposing droplet cloud to applied excitations in the surrounding. The classic and …

Supersonic combustion of n-Heptane droplets with cavity-based fuel injection

M Mohamadi, AM Tahsini - Aircraft Engineering and Aerospace …, 2023 - emerald.com
Purpose The purpose of this study is to investigate the combustion of the n-Heptane droplets
in the supersonic combustor with a cavity-based fuel injection configuration. The focus is on …

An Investigation on Constant Convection Coefficient Assumption in Decoupled Conjugate Heat Transfer

K Sadafi, AM Tahsini, FG Mangodeh - International Journal of …, 2024 - Springer
The accuracy of using a constant convective heat transfer coefficient of the flow field in
conjugate heat transfer problems over various surface temperatures and geometries is …

Inlet air and fuel flow pressure fluctuation effect on supersonic combustion

AM Tahsini - Aircraft Engineering and Aerospace Technology, 2021 - emerald.com
Purpose The purpose of this paper is to analyze the effect of pressure fluctuations on the
combustion efficiency of the hydrogen fuel injected into the supersonic oxidizing cross flow …

Using Wavy Fuel Surface to Improve the Performance of the Solid Fuel Ramjets

A Reyhani, AM Tahsini - Propellants, Explosives, Pyrotechnics, 2022 - Wiley Online Library
This paper introduces a new idea to augment the fuel regression rate in solid fuel ramjets.
The heat transfer rate from the reacting flow field into the surface of the solid fuel grain …

Qualitative phenomenological investigation of the transient temperature gradient during gas turbine's hot section component cooling

AM Tahsini - Proceedings of the Institution of Mechanical …, 2020 - journals.sagepub.com
In this study, the temporal variation of temperature gradient in the gas turbine hot section
components in the transient process is raised, and according to its impact on life expectancy …

Proton Exchange Membrane Fuel Cells: Geometric Scaling and Similarity Conditions.

AM Tahsini - International Journal of Heat & Technology, 2020 - search.ebscohost.com
In the present study, the similarity conditions in the proton exchange membrane fuel cells
are investigated and the scaling effect on the polarization curve is analyzed. The steady …