Volume fractionfluid mechanics, the volume fraction φ i {\displaystyle \varphi _{i}} is defined as the volume of a constituent Vi divided by the volume of all constituents
Ejection fractionejection fraction (LVEF), is calculated by dividing the volume of blood pumped from the left ventricle per beat (stroke volume) by the volume of blood
Fiber volume ratioFiber volume ratio is an important mathematical element in composite engineering. Fiber volume ratio, or fiber volume fraction, is the percentage of fiber
Mass fraction (chemistry)mixture in a dimensionless size; mole fraction (percentage by moles, mol%) and volume fraction (percentage by volume, vol%) are others. When the prevalences
Concentrationwith volume fraction) is defined as the volume of a constituent V i {\displaystyle V_{i}} divided by the volume of the mixture V {\displaystyle V} : σ