drag coefficient
1Drag coefficient — In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. It is used in the drag equation,… …
2drag coefficient — i. Nondimensional coefficient equal to total drag divided by 1/2ρV2 S, where ρ is density, V is indicated air speed, and S is surface area of the body. ii. A coefficient representing the drag on a given airfoil or other body or a coefficient… …
3drag 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… …
4drag coefficient — vilkimo koeficientas statusas T sritis fizika atitikmenys: angl. drag coefficient; dragging coefficient vok. Mitbewegungskoeffizient, m; Mitführungskoeffizient, m rus. коэффициент увлечения, m pranc. coefficient d’entraînement, m …
5coefficient of drag (CD)/drag coefficient — A coefficient dependent upon the angle of attack, shape of the airfoil, Reynolds number, and Mach number. Drag coefficient (CD ) = Drag (D)/Dynamic Pressure (q) or {1 /2 (Density (ρ) × Air Speed2 (V2 ) × Wing Area (S). CD = D/qS, or 2D/ρV2 S …
6drag coefficient — noun the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body • Syn: ↑coefficient of drag • Hypernyms: ↑coefficient * * * noun : a factor representing the ratio of the aerodynamic drag… …
7drag coefficient — Aerodynamics. the ratio of the drag on a body moving through air to the product of the velocity and surface area of the body. Also called coefficient of drag. * * * …
8drag coefficient — noun Date: 1937 a factor representing the drag acting on a body (as an automobile or airfoil) …
9drag coefficient — /dræg koʊəˈfɪʃənt/ (say drag kohuh fishuhnt) noun Fluid Dynamics the number which represents the resistance of an object to flow in a fluid environment such as air or water …
10drag coefficient — number that represents the intensity of force acting on a body in motion in direct opposition to the body s motion …
