scholarly journals Determination of drag coefficients in automatic ball balancers at low Reynolds numbers

2020 ◽  
Author(s):  
Lars Spannan ◽  
Elmar Woschke
Keyword(s):  
Drag Coefficient ◽  
Reynolds Numbers ◽  
Outer Ring ◽  
Ball Bearings ◽  
Drag Coefficients ◽  
Low Reynolds Numbers ◽  
Low Reynolds

With the OpenFOAM CFD Software the drag coefficient in automatic ball balancers utilizing the outer ring of radial ball bearings is calculated.

Experimental and Numerical Determination of Micropropulsion Device Efficiencies at Low Reynolds Numbers

2004 ◽  
Author(s):  
Andrew D. Ketsdever ◽  
Michael T. Clabough ◽  
Sergey F. Gimelshein ◽  
Alina Alexeenko
Keyword(s):  
Reynolds Numbers ◽  
Numerical Determination ◽  
Low Reynolds Numbers ◽  
Low Reynolds

Drag coefficients at low Reynolds numbers for flow past immersed bodies

AIChE Journal ◽  
1961 ◽  
Vol 7 (1) ◽  
pp. 20-25 ◽  
Author(s):  
A. M. Jones ◽  
J. G. Knudsen
Keyword(s):  
Reynolds Numbers ◽  
Drag Coefficients ◽  
Low Reynolds Numbers ◽  
Flow Past ◽  
Low Reynolds

An Experimental Determination of the Drag on a Sphere at Low Reynolds Numbers

1968 ◽  
Vol 39 (9) ◽  
pp. 4129-4132 ◽  
Author(s):  
H. R. Pruppacher ◽  
E. H. Steinberger
Keyword(s):  
Experimental Determination ◽  
Reynolds Numbers ◽  
Low Reynolds Numbers ◽  
Low Reynolds

The drag on oscillating flat plates in liquids at low Reynolds numbers

1971 ◽  
Vol 48 (2) ◽  
pp. 229-239 ◽  
Author(s):  
Cornelius C. Shih ◽  
Harry J. Buchanan
Keyword(s):  
Reynolds Number ◽  
Drag Coefficient ◽  
Reynolds Numbers ◽  
Motor Oil ◽  
Flat Plates ◽  
Low Reynolds Numbers ◽  
Two Fluids ◽  
Low Reynolds ◽  
The Relationship ◽  
Graphical Presentation

An experimental investigation was conducted to describe the fluid flow about oscillating flat plates and to determine the magnitude and nature of forces acting on the plates at low Reynolds numbers. In the experiment, the Reynolds number was varied from 1·01 to 1057·0; three period parameters, 1·57, 2·07 and 4·71, were applied; two fluids, water and SAE 30 motor oil, and three flat plates of various sizes with or without end plates were used. The analysis of data resulted in graphical presentation of the relationships among the drag coefficient, the Reynolds number and period parameter. The drag coefficient becomes less dependent on the Reynolds number for values greater than 250. The relationship between the drag coefficient and period parameter is pronounced throughout the entire range of the Reynolds number tested.

Steady flow around an inclined torus at low Reynolds numbers: Lift and drag coefficients

2018 ◽  
Vol 171 ◽  
pp. 53-64 ◽  
Author(s):  
Peng Yu ◽  
Ruixin Lu ◽  
Wei He ◽  
Larry K.B. Li
Keyword(s):  
Steady Flow ◽  
Reynolds Numbers ◽  
Drag Coefficients ◽  
Low Reynolds Numbers ◽  
Low Reynolds ◽  
Lift And Drag

Experimental and Numerical Determination of Micropropulsion Device Efficiencies at Low Reynolds Numbers

AIAA Journal ◽  
2005 ◽  
Vol 43 (3) ◽  
pp. 633-641 ◽  
Author(s):  
Andrew D. Ketsdever ◽  
Michael T. Clabough ◽  
Sergey F. Gimelshein ◽  
Alina Alexeenko
Keyword(s):  
Reynolds Numbers ◽  
Numerical Determination ◽  
Low Reynolds Numbers ◽  
Low Reynolds
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