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Erscheinungsjahr: 
2019
Quellenangabe: 
[Journal:] Energy Reports [ISSN:] 2352-4847 [Volume:] 5 [Publisher:] Elsevier [Place:] Amsterdam [Year:] 2019 [Pages:] 1626-1637
Verlag: 
Elsevier, Amsterdam
Zusammenfassung: 
Aerodynamic drag in a bicycle can originate through the rotation of wheels, and the addition of cladding on the wheels has a pronounced impact on the same. In the present work, the effect of cladding on the wheels of a bicycle is studied in terms of the percentage cladding in order to predict the aerodynamic drag using a validated CFD model. SolidWorks Flow Simulation is used to conduct an external analysis of flow air around the bicycle and rider. The k-ε turbulence model is used to study aerodynamic drag among cladding percentages varying between nil to maximum, i.e., 100%. The aerodynamic drag force is observed to decrease with increase in cladding percentage. Analyses were carried out at velocities 6 m/s, 8 m/s and 10 m/s and there was an observed maximum decrease in drag coefficient in the range of 5.2-5.3% as compared to the bicycle without cladding.
Schlagwörter: 
Aerodynamic drag
Bicycle
CFD
Cladding
Drag coefficient
Sports engineering
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