[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 …

Investigation of base pressure variations in internal and external suddenly expanded flows using CFD analysis

KA Pathan, PS Dabeer, SA Khan - CFD Letters, 2019 - akademiabaru.com
The Aerodynamic base drag because of negative pressure at the backward-facing step is a
general obstacle connected with all the moving projectiles. The aerodynamic base drag is …

CFD analysis of effect of Mach number, area ratio and nozzle pressure ratio on velocity for suddenly expanded flows

KA Pathan, SA Khan, PS Dabeer - 2017 2nd International …, 2017 - ieeexplore.ieee.org
This paper presents the Computational Fluid Dynamic (CFD) analysis to study the effect of
Mach numbers on velocity distribution at different area ratio and nozzle pressure ratio in the …

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 analysis of effect of area ratio on suddenly expanded flows

KA Pathan, SA Khan, PS Dabeer - 2017 2nd International …, 2017 - ieeexplore.ieee.org
This paper presents the Computational Fluid Dynamic (CFD) analysis to study the effect of
area ratio ie the ratio of enlarged duct area to nozzle exit area on velocity distribution along …

[PDF][PDF] CFD analysis of human powered submarine to minimize drag

SA Khan, MA Fatepurwala, KN Pathan - Ratio (L/D), 2018 - researchgate.net
This paper deals with finding the optimum fineness ratio, ie ratio of length to maximum
diameter, of human-powered submarine of different shapes to reduce the drag force on the …

CFD analysis of effect of flow and geometry parameters on thrust force created by flow from nozzle

KA Pathan, SA Khan, PS Dabeer - 2017 2nd International …, 2017 - ieeexplore.ieee.org
This paper presents the Computational Fluid Dynamic (CFD) analysis to study the effect
geometry and flow parameters on thrust force created by the flow from convergent-divergent …

Impact of Mach number on the flow pattern in suddenly expanded duct

SA Khan, ZI Chaudhary, MAA Baig, HA Delvi… - Materials Today …, 2022 - Elsevier
A study is undertaken to assess the dynamic control's effectiveness at two supersonic Mach
numbers, 2.2 and 2.58 being considerably large Mach number being very significant in the …