- tunnel coefficient
- 风洞系数
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
tunnel coefficient
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Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… … Wikipedia
Lift coefficient — The lift coefficient ( or ) is a dimensionless coefficient that relates the lift generated by a lifting body, the dynamic pressure of the fluid flow around the body, and a reference area associated with the body. A lifting body is a foil or a… … Wikipedia
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drag coefficient — (Cd) A number used in calculating the aerodynamic drag acting on a vehicle. The drag coefficient is a function of factors like the shape of the vehicle, airflow through the vehicle for ventilation and cooling. The number is determined in a wind… … Dictionary of automotive terms
lift coefficient — A dimensionless number used in the formulae for aerodynamic lift that varies with the angle of attack (α) and the shape of the airfoil. The coefficient is derived from wind tunnel data and describes the characteristics of an airfoil. Relationship … Aviation dictionary
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