Results 211 to 220 of about 13,259,157 (240)

Passive Control of Pressure Fluctuations Generated by Separated Flow

AIAA Journal, 1996
Measurements of wall-pressure fluctuations have been made in the flow behind a backward-facing step, with a permeable reattachment surface Different configurations are tried, the most successful producing a reduction in peak rms pressure fluctuation of about 13% and a reduction in drag of about 9%.
A. Heenan, J. Morrison
openaire   +1 more source

Flow Control of Jet Flow by Passive Nozzle Configuration Changes

International Journal of Flow Control, 2009
Nozzle configuration may offer the possibility of a passive control technique to provide high mixing and heat transfer rates. Thus, numbers of investigations have been carried out to reveal the influence of nozzle configuration on the flow characteristics. However, very few papers in the scientific literature have focused on orifice jets.
null Shakouchi, null Kito, null Sakamoto, null Tsujimoto, null Ando   +4 more
openaire   +1 more source

Using Non-Normality for Passive Laminar Flow Control

2008
The scope of this paper was to show how optimal transient growth due to non-normality can be used as an effective amplifier of a passive laminar flow control. Optimal perturbations, usually seen as the most dangerous for transition are here seen as the most effective for control.
C. Cossu, L. Brandt, J. H. M. Fransson, TALAMELLI, ALESSANDRO   +3 more
openaire   +2 more sources

Flow around a semicircular cylinder with passive flow control mechanisms

Experiments in Fluids, 2017
Wind tunnel experiments were performed to study the effect of passive flow control strategies on the wake and drag of a semicircular cylinder of infinite aspect ratio. High-resolution planar particle image velocimetry was used to obtain flow statistics around the semicircular cylinder at Reynolds number
A. M. Hamed, J. Vega, B. Liu, L. P. Chamorro   +3 more
openaire   +1 more source

Sensitivity analysis and passive control of cylinder flow

Journal of Fluid Mechanics, 2008
A general theoretical formalism is developed to assess how base-flow modifications may alter the stability properties of flows studied in a global approach of linear stability theory. It also comprises a systematic approach to the passive control of globally unstable flows by the use of small control devices.
Marquet, Olivier, Sipp, Denis, Jacquin, Laurent   +2 more
openaire   +2 more sources

Passive Flow Control of Ship Air Wakes

Proceedings of the Vertical Flight Society 69th Annual Forum and Technology Display, 2013
Passive flow control of ship air wakes was investigated to determine the impact of a solid, notched fence design and to determine the applicability of using computational fluid dynamics (CFD) and wind tunnel testing to predict changes in ship air wakes.
HyungSuk Kang, Nicholas LaSalle, Murray Snyder   +2 more
openaire   +1 more source

The Performance of Passive Flow Monitors and Phosphate Accumulating Passive Samplers When Exposed to Pulses in External Water Flow Rate And/Or External Phosphate Concentrations

Environmental Pollution, 2011
Jochen F Mueller, Dominique O'Brien, Melanie Shaw   +2 more
exaly  

Numerical Simulation of Gas Flow Around a Passive Vent in a Sanitary Landfill

Journal of Hazardous Materials, 2003
Yen-Cho Chen, Kang-Shin Chen
exaly  

Passive Control of the Flow Around a Square Cylinder Using Porous Media

International Journal for Numerical Methods in Fluids, 2004
Charles-Henri Bruneau
exaly  

Passive Control of the Flow Around a Hemisphere Using Porous Media

European Journal of Mechanics, B/Fluids, 2017
G -H Cottet
exaly