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CFD Analysis for Determining Surge-direction Drag Coefficient of FOWT based on Simulation Time Step

Ho-Seong Yang, Young‐Ho Lee
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Fetch Limited Drag Coefficients

Boundary-Layer Meteorology, 1997
Measurements made at a tower located 2 km off the coast of Denmark inshallow water during the Riso Air Sea Experiment (RASEX) are analyzedto investigate the behaviour of the drag coefficient in the coastal zone.For a given wind speed, the drag coefficient is larger during conditions ofshort fetch (2-5 km) off-shore flow with younger growing waves than ...
Dean Vickers, L. Mahrt
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Drag coefficient in urban trees

Trees, 2020
The drag force is frequently responsible for tree fall; however, its calculation depends on a rarely known parameter, namely, the drag coefficient. This paper reviews this topic. The pressure exerted by the wind on trees can generate large drag forces, which have been considered the most frequent causes for mechanical failure in trees.
Raquel Gonçalves, Camila Linhares, Takashi Yojo   +2 more
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Drag coefficient for amphibious house

Urban Water Journal, 2017
AbstractRecently, flooding has become a serious issue and disaster in Malaysia. Therefore, it is crucial to search for a more effective flood mitigation approach in Malaysia. Amphibious house system is a new sustainable and flexible flood mitigation measure within a floating urbanization environment. Amphibious house has been designed based on buoyancy
Mohammad Ali Nekooie, Mohamad Ibrahim Mohamad, Zulhilmi Ismail   +2 more
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BRIDGE PIERS—DRAG FORCE COEFFICIENTS

ISH Journal of Hydraulic Engineering, 2004
ABSTRACT The rational approach for estimating afflux at bridge constrictions requires the knowledge of drag coefficient. This paper presents experimental investigations on the variation of drag coefficient with Reynolds number for piers with semicircular nose and tail and lens-shaped nose and tail considering the effects of flow contraction and length ...
P. Mallikarjuna, Ch. Suresh Babu, T. Murali, M. R. Satish Kumar   +3 more
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Geostrophic drag coefficients

Boundary-Layer Meteorology, 1973
Data on the relationship of the surface wind to the geostrophic wind at Porton Down, Salisbury Plain, are presented for various stability conditions and analysed in the light of the Rossbynumber similarity theory. For near-neutral conditions, the geostrophic drag coefficients for geostrophic wind speeds 5 to 15 m s-1 are close to those found by other ...
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Satellite drag coefficients

Planetary and Space Science, 1965
Abstract The drag of artificial earth satellites is reconsidered in the light of recent studies of gas-surface interactions and atmospheric composition. Between heights of 140 and 400 km at times of low solar activity, or heights of 140 and 600 km at times of high solar activity, the drag coefficient is almost independent of height, and at present ...
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The geostrophic drag coefficient

Boundary-Layer Meteorology, 1974
A power-law formulation for the geostrophic drag coefficient in a neutral atmosphere is presented.
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Computation of conductor drag coefficients

Journal of Wind Engineering and Industrial Aerodynamics, 1993
Abstract Conductor drag coefficients are computed using large eddy simulation. A hybrid procedure in which the finite difference method is used to integrate the momentum equation and the finite element method to integrate the pressure equation is utilized in a nonorthogonal grid system.
R. Panneer Selvam, D.A. Paterson
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