A. B. M. Toufique Hasan
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View article: A Numerical Study of Underexpanded Free Jet Under Steady and Imposed Oscillating Inlet Pressure Conditions
A Numerical Study of Underexpanded Free Jet Under Steady and Imposed Oscillating Inlet Pressure Conditions Open
View article: Numerical Investigation on Particle Deposition in a Bifurcating Duct
Numerical Investigation on Particle Deposition in a Bifurcating Duct Open
View article: Aerothermal Characteristics of Hypersonic Flow Around a Circular Arc Airfoil Under Transitional Rarefied Conditions
Aerothermal Characteristics of Hypersonic Flow Around a Circular Arc Airfoil Under Transitional Rarefied Conditions Open
View article: Direct Simulation Monte Carlo Analysis on Thrust Vectoring of a Supersonic Micro Nozzle using Bypass Mass Injection
Direct Simulation Monte Carlo Analysis on Thrust Vectoring of a Supersonic Micro Nozzle using Bypass Mass Injection Open
Converging diverging micro nozzle is fundamentally intended for flow acceleration through the generation of kinetic energy for the advanced micro-propulsion systems. Such supersonic micro nozzles have significant applications in the launch…
View article: Exposure risk analysis of COVID-19 for a ride-sharing motorbike taxi
Exposure risk analysis of COVID-19 for a ride-sharing motorbike taxi Open
A dominant mode of transmission for the respiratory disease COVID-19 is via airborne virus-carrying aerosols. As national lockdowns are lifted and people begin to travel once again, an assessment of the risk associated with different forms…
View article: Numerical Analysis of Bypass Mass Injection on Thrust Vectoring of Supersonic Nozzle
Numerical Analysis of Bypass Mass Injection on Thrust Vectoring of Supersonic Nozzle Open
High speed aerospace applications require rapid control of thrust (i.e. thrust vectoring) in order to achieve better manoeuvrability. Among the existing technologies, shock vector control is one of the efficient ways to achieve thrust vect…
View article: Characteristics of transonic moist air flows around butterfly valves with spontaneous condensation
Characteristics of transonic moist air flows around butterfly valves with spontaneous condensation Open
View article: Numerical Investigation of Aerodynamic Hysteresis for Transonic Flow Over a Supercritical Airfoil
Numerical Investigation of Aerodynamic Hysteresis for Transonic Flow Over a Supercritical Airfoil Open
A computational study is performed to investigate transonic flow over supercritical airfoil RAE 2822. In this study, Reynolds averaged Navier Stokes equations (RANS) with Spalart-Allmaras turbulence model have been applied. Results have be…
View article: Study of Physiological Flow Through an Abdominal Aortic Aneurysm (AAA)
Study of Physiological Flow Through an Abdominal Aortic Aneurysm (AAA) Open
Pulsatile flow in an axisymmetric rigid-walled model of an abdominal aortic aneurysm (AAA) has been analyzed numerically for various aneurysm dilations considering blood as a Newtonian fluid and Non-Newtonian fluid respectively. Physiologi…
View article: Flow Characteristicsian Eccentric Arterial Stenosis with Variable Pulsatile Flow Wave Forms
Flow Characteristicsian Eccentric Arterial Stenosis with Variable Pulsatile Flow Wave Forms Open
A numerical simulation is carried out to investigate the effect of time period of pulsation on the flow behavior through an arterial stenosis. A semicircular eccentric stenosis is considered which is more relevant in cardiovascular system …
View article: A Computational Study on the Development of Secondary Flow Through S-shaped Curved Channel
A Computational Study on the Development of Secondary Flow Through S-shaped Curved Channel Open
A three-dimensional computational analysis has been carried out to investigation the pulsatile flow through a S-shaped curved channel. The numerical study is performed using Reynolds-averaged Navier-Stokes equation, where a pulsated veloci…
View article: Blood Flow Dynamics in Cerebral Aneurysm - A CFD Simulation
Blood Flow Dynamics in Cerebral Aneurysm - A CFD Simulation Open
In the present study, the dynamics of blood flow in saccular cerebral aneurysms is investigated. The aneurysm is considered to be located at an arterial bend in human vascular system. The flow field is analyzed computationally by three-dim…
View article: Passive Control of Shock Oscillation Around a Biconvex Circular Arc Airfoil in a Channel
Passive Control of Shock Oscillation Around a Biconvex Circular Arc Airfoil in a Channel Open
A strong normal shock wave, generated on an airfoil, is responsible not only for limiting the aerodynamic performance but also for shock induced boundary layer separation. This shock induced boundary layer separation results aerodynamics i…
View article: Hemodynamics of Physiological Blood Flow through a Double Stenosed Artery
Hemodynamics of Physiological Blood Flow through a Double Stenosed Artery Open
A numerical analysis of physiological blood flow in a rigid artery has been performed to observe the variation in flow pattern and hemodynamic parameters under the influence of double stenoses. A finite volume method has been employed to s…