Plug flow of a yield-stress fluid
= Plug flow of a yield-stress fluid
Where the <stress> in a yield-stress <fluid> remains below the <yield stress>, the <shear rate> vanishes and the material moves as an undeformed plug bounded by yielded layers.
= Plug flow of a yield-stress fluid
Where the <stress> in a yield-stress <fluid> remains below the <yield stress>, the <shear rate> vanishes and the material moves as an undeformed plug bounded by yielded layers.