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 …

[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 …

Determination of wall pressure flows at supersonic Mach numbers

A Aabid, SA Khan - Materials Today: Proceedings, 2021 - Elsevier
This article investigates the wall pressure dissemination on a circular duct when the flow is
exhausted into a CD nozzle. This study aims at to scrutinize the static pressure on the duct …

Analysis of flow through a convergent nozzle at Sonic Mach Number for Area Ratio 4

A Khan, NM Mazlan, MA Ismail - Journal of Advanced …, 2019 - semarakilmu.com.my
The presence of a blunt base can be found in automobile industries as well as in the
aerospace industry. The blunt base caused the lower base pressure than ambient pressure …

Grooved cavity as a passive controller behind backward facing step

SA Khan, AA AlRobaian, M Asadullah… - Journal of Advanced …, 2019 - semarakilmu.com.my
A semicircular grooved cavity is designed for controlling the base pressure and hence the
base drag in case of a backward facing step. This paper presents the effect of the continuous …

Threaded spikes for bluff body base flow control

SA Khan, AA Alrobaian… - Journal of advanced …, 2019 - semarakilmu.com.my
Although the demand for rockets and missiles has increased exponentially but the problems
of the gas dynamics related to these vehicles remains to be a challenge. The main problem …

Flow dynamics and heat transfer in the wake of an rotary oscillating circular cylinder with an isothermal control plate

A Haty, RK Ray, HVR Mittal - Numerical Heat Transfer, Part A …, 2024 - Taylor & Francis
This research explores the flow dynamics and heat transfer within the wake of a rotary
oscillating circular cylinder in the presence of an isothermal control plate. Two-dimensional …

Experimental Investigation of Wall Pressure Distribution in a Suddenly Expanded Duct from a Convergent-Divergent Nozzle

A Aabid, AGM Fharukh, SA Khan - 2019 IEEE 6th International …, 2019 - ieeexplore.ieee.org
This study focusses attention on the flow development in the duct, whose diameter ratio is
1.6. Experimental investigation was done carried out in an open jet facility using the internal …

[PDF][PDF] Studies on Flows Development in a Suddenly Expanded Circular Duct at Supersonic Mach Numbers.

A Aabid, SA Khan - International Journal of Heat & Technology, 2021 - researchgate.net
Accepted: 19 November 2020 This article focuses on the flow development and the static
wall pressure distribution along the circular duct from the convergent-divergent (CD) nozzle …