| 释义 |
velocity coefficient
velocity coefficient[və′läs·əd·ē ‚kō·i‚fish·ənt] (fluid mechanics) The ratio of the actual velocity of gas emerging from a nozzle to the velocity calculated under ideal conditions; it is less than 1 because of friction losses. Also known as coefficient of velocity. velocity coefficient
ve·loc·i·ty co·ef·fi·cientthe rate of transformation of a unit mass of substance in a chemical reaction. |