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Keywords: drag reduction
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Proceedings Papers

Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A056, November 16–19, 2020
Paper No: IMECE2020-24480
...CFD INVESTIGATIONS ON DRAG REDUCTION DUE TO CAVITATOR HEADS ON SUPERCAVITATING BODIES Michael Steppert, Philipp Epple1, Stefan Gast Coburg University of Applied Sciences Department of Mechanical Engineering Coburg, Germany Zoltan Von Mohos, Martin Wortmann Rheinische Fachhochschule Köln Cologne...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1213-1220, November 9–15, 2012
Paper No: IMECE2012-86816
... In the presented work, two studies using Computational Fluid Dynamics (CFD) have been conducted on a generic truck-like model with and without a trailer unit at a speed of 80 km/h. The purpose is to evaluate drag reduction possibilities using externally fitted devices. A first study deals...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 709-718, November 12–18, 2010
Paper No: IMECE2010-37697
... polymer molecules. The mechanism of drag reduction and its impact on centrifugal pump performance is poorly understood, especially when there is a combination of polymer and fibres in suspension. Centrifugal (slurry) pump performance was measured as a function of pulp fibre and PAM polymer concentration...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 77-86, October 31–November 6, 2008
Paper No: IMECE2008-68190
... effect. superhydrophobic surface liquid slip wetting transition drag reduction Proceedings of IMECE2008 2008 ASME International Mechanical Engineering Congress and Exposition November 2-6, 2008, Boston, Massachusetts, USA O D E 7 te 4 wafer with a good size uniformity and no defect. A pitch...
Proceedings Papers

Proc. ASME. IMECE2002, Heat Transfer, Volume 1, 59-63, November 17–22, 2002
Paper No: IMECE2002-32945
... effects on the flow. The forward step caused a stronger disturbance with a small increase in drag. The backward step arrangement softened the disturbance but reduced the drag coefficient by 33%. 23 05 2008 incompressible viscous fluids flow past cylinder drag reduction boundary layer...
Proceedings Papers

Proc. ASME. IMECE2004, Advanced Energy Systems, 273-278, November 13–19, 2004
Paper No: IMECE2004-62193
... of more buildings, and particularly for district cooling or heating systems. 27 03 2008 HVAC drag reduction surfactants pumping additives R S considered to be very successful on all counts, especially considering the relatively small size of the building and the ( DR ) in percentage...
Proceedings Papers

Proc. ASME. IMECE2006, Fluids Engineering, 955-970, November 5–10, 2006
Paper No: IMECE2006-16336
... This study experimentally investigates the drag reduction characteristics of the most commonly used polymer fluids in coiled tubing applications. The flow loop employed consists of 1/2-in. straight and coiled tubing sections. The curvature ratio (a/R where a and R are the radii of the tubing...
Proceedings Papers

Proc. ASME. IMECE2006, Fluids Engineering, 1045-1053, November 5–10, 2006
Paper No: IMECE2006-16368
... by introducing smooth frontal fillets in case of tractor and single trailer. The study also emphasizes flow structures around the vehicle that contribute to the total drag. 12 02 2008 Truck aerodynamics aerodynamic drag CFD simulations drag coefficient drag reduction ground transportation...