A critical review of supersonic flow control for high-speed applications

A Aabid, SA Khan, M Baig - Applied Sciences, 2021 - mdpi.com
In high-speed fluid dynamics, base pressure controls find many engineering applications,
such as in the automobile and defense industries. Several studies have been reported on …

Investigation and back-propagation modeling of base pressure at sonic and supersonic Mach numbers

A Afzal, SA Khan, MT Islam, RD Jilte, A Khan… - Physics of …, 2020 - pubs.aip.org
The experimental analysis of base pressure in a high-speed compressible flow is carried
out. The flow is made to expand abruptly from the nozzle into an enlarged duct at fifteen …

[HTML][HTML] Optimization of area ratio and thrust in suddenly expanded flow at supersonic Mach numbers

KA Pathan, PS Dabeer, SA Khan - Case studies in thermal engineering, 2018 - Elsevier
In this investigation the flow field has been computed by the numerical approach using
Computational Fluid Dynamics (CFD) Analysis to investigate the efficacy of the supersonic …

Effect of nozzle pressure ratio and control jets location to control base pressure in suddenly expanded flows

KA Pathan, PS Dabeer, SA Khan - Journal of Applied Fluid …, 2019 - jafmonline.net
In this paper, computational fluid dynamic (CFD) analysis and experiments have been
carried out to study the effect of nozzle pressure ratio, ie the ratio of inlet pressure to …

[PDF][PDF] Enlarge duct length optimization for suddenly expanded flows

KA Pathan, PS Dabeer, SA Khan - Advances in Aircraft and …, 2020 - researchgate.net
In many applications like the aircraft or the rockets/missiles, the flow from a nozzle needs to
be expanded suddenly in an enlarged duct of larger diameter. The enlarged duct is provided …

Numerical simulation of surface pressure of a wedge at supersonic Mach numbers and application of design of experiments

A Crasta, KA Pathan, SA Khan - Journal of advanced …, 2023 - semarakilmu.com.my
This paper aims to numerically simulate the flow field for wedge, cone, and ogives. Usually,
wedge shapes are used as a stabilizing surface for supersonic projectiles like rockets …

Analytical and Numerical Simulation of Surface Pressure of an Oscillating Wedge at Hypersonic Mach Numbers and Application of Taguchi's Method

A Crasta, KA Pathan, SA Khan - Journal of Advanced …, 2023 - semarakilmu.com.my
This paper aims to estimate the surface pressure of a wedge at hypersonic Mach numbers at
a considerable angle of incidence. The Ghosh similitude, corresponding strip theory, and …

Analysis of parameters affecting thrust and base pressure in suddenly expanded flow from nozzle

KA Pathan, S Ashfaq, PS Dabeer, SA Khan - 2019 - lrc.acharyainstitutes.in
In the case of flow from the nozzle, the net thrust is the vital and critical consideration. The
net thrust force is the difference of the thrust developed by the jet from the nozzle and the …

Influence of expansion level on base pressure and reattachment length

KA Pathan, PS Dabeer, SA Khan - CFD Letters, 2019 - akademiabaru.com
In high speed projectiles like rocket, the thrust is created by the convergent divergent nozzle.
The flow from the nozzle is exhausted in the enlarged duct of larger diameter to maximize …

CFD Study on the Influence of Exostructure Elements on the Resistance of a Submarine

I Gatin, J Čokić, D Romić, J Parunov - Journal of marine science and …, 2022 - mdpi.com
Submersible vessels designed to operate at low speeds are often designed with an intricate
exostructure, as well as other elements that are located outside of the main pressure hull …