base drag

base drag

[′bās ‚drag]
(fluid mechanics)
Drag owing to a base pressure lower than the ambient pressure; it is a part of the pressure drag.
References in periodicals archive ?
It was denoted that at the tail of the model, the faintish separate had already appeared, so the base drag became increased.
Base drag at the tail results from the bullet's wake; a tapered heel or boattail bullet minimizes base drag but is of little practical advantage for hunting inside 300 yards.
Summary: TEHRAN (FNA)- US government officials began contacting attorneys of Guantanamo Bay inmates who are being force-fed as the hunger strike on the prison base drags past the two-month mark.