Experimental investigation of the flow features around an elliptical Ahmed body

NA Siddiqui, M Agelin-Chaab - Physics of Fluids, 2022 - pubs.aip.org
The standard Ahmed body (SAB) with a rectangular rear end is a simplified, canonical bluff
body geometry that shares similarities with generic road vehicles. It is known to produce flow …

Drag reduction on a flat-back ground vehicle with active flow control

J McNally, E Fernandez, G Robertson, R Kumar… - Journal of Wind …, 2015 - Elsevier
Active flow control is applied to the Honda Simplified Body (HSB), a flat-back ground vehicle
model, for aerodynamic drag reduction. The use of small scale, steady jets (microjets) in …

Aspect ratio and the dynamic wake of the Ahmed body

J Venning, T McQueen, DL Jacono, D Burton… - … Thermal and Fluid …, 2022 - Elsevier
The dynamic structures in the wake of the Ahmed body with a 25° slant angle were
investigated. It is well established that the wake is dominated by two, counter rotating …

Time-averaged three-dimensional flow topology in the wake of a simplified car model using volumetric PIV

P Sellappan, J McNally, FS Alvi - Experiments in Fluids, 2018 - Springer
Fuel shortages and air pollution are two major incentives for improving the aerodynamics of
vehicles. Reducing wake-induced aerodynamic drag, which is strongly dependent on flow …

Control of salient flow features in the wake of a Ahmed model using microjets

J McNally, N Mazellier, F Alvi, A Kourta - Experiments in Fluids, 2019 - Springer
Flow control, employing linear arrays of discrete microjets, is applied to the rear of a 25^ ∘
25∘ Ahmed model. The locations of the arrays are selected to test the effectiveness of …

Effect of underhood architecture on aerodynamic drag—suggestion of new concepts for fuel consumption reduction

J Faraj, E Harika, M Ramadan, S Ali… - International Journal of …, 2020 - Springer
The present work concerns an experimental study of the aerodynamic drag on a simplified
vehicle body in relation to the underhood architecture, especially the engine block and …

Active flow control on an ahmed body-an experimental study

JW McNally, FS Alvi, N Mazellier… - 53rd AIAA aerospace …, 2015 - arc.aiaa.org
Active flow control devices are implemented on a 25◦ Ahmed model for the purpose of
controlling aerodynamics. The application of steady microjet actuators in multiple …

Flow topology of a ground vehicle wake and its response to flow control

P Sellappan, J McNally, FS Alvi - 2018 AIAA Aerospace Sciences …, 2018 - arc.aiaa.org
Fuel shortages, air pollution, and cost savings are just three of the many incentives for
improving the aerodynamics of vehicles. Reducing wake-induced aerodynamic drag, which …