Computational fluid dynamics and machine learning as tools for optimization of micromixers geometry

D de Oliveira Maionchi, L Ainstein… - International Journal of …, 2022 - Elsevier
Microfluidic devices have become a new trend in different fields and have attracted attention
due to their compact size and capability to deal with a small amount of fluid. Micromixing is …

[HTML][HTML] 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 of high-speed flow control from CD nozzle using design of experiments and CFD methods

A Aabid, SA Khan - Arabian Journal for Science and Engineering, 2021 - Springer
In high-speed fluid dynamics, the control of base pressure finds many engineering
applications such as automobile industry and defense applications. Several studies have …

CFD analysis of compressible flows in a convergent-divergent nozzle

SA Khan, OM Ibrahim, A Aabid - Materials Today: Proceedings, 2021 - Elsevier
A Nozzle is a mechanical device that uses pressure energy and fluid enthalpy to increase
the outflow velocity and control fluid flow direction. To obtain the nozzle duct's shock pattern …

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 …

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 …

Analysis of area ratio in a CD nozzle with suddenly expanded duct using CFD method

SA Khan, A Aabid, FAM Ghasi, AA Al-Robaian… - CFD Letters, 2019 - akademiabaru.com
Whereas the demand for missiles and rockets has exponentially augmented, but the
difficulties related to the gas dynamics of these vehicles remains to be a threat. Whenever …

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 …

[PDF][PDF] CFD analysis of convergent-divergent nozzle flow and base pressure control using micro-JETS

A Khan, A Aabid, SA Khan - International Journal of Engineering and …, 2018 - academia.edu
This paper presents numerical study was undertaken to identify the use of the micro-jets to
regulate the pressure in the region from twodimensional convergent-divergent (CD) Nozzle …