Bingham plastic


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Bing·ham plas·tic

(bing'ăm),
a material that, in the idealized case, does not flow until a critical stress (yield stress) is exceeded, and then flows at a rate proportional to the excess of stress over the yield stress; real materials probably only approach this ideal model.

Bingham,

E.C., U.S. chemist, 1878-1945.
Bingham flow - the flow characteristics exhibited by a Bingham plastic.
Bingham model - a model representing the flow behavior of a Bingham plastic, in the idealized case.
Bingham plastic - a material that, in the idealized case, does not flow until a critical stress (yield stress) is exceeded, and then flows at a rate proportional to the excess of stress over the yield stress.
References in periodicals archive ?
A Bingham plastic material is characterized by a dynamic yield stress, Ty.
The velocity profile for Bingham plastic flow between parallel plates with uniform field is (Wereley and Pang, 1998)
For a Bingham plastic, it is convenient to use a reduced stress variable [theta], defined as [tau]/[tau]B (for pipe flow [theta] = [[tau].
For a Bingham plastic this ratio is given in terms of [theta] by:
For a Bingham plastic, [mu] and [alpha] are given in terms of [theta] by Equations (2) and (3), and Equation (13) becomes:
Thus, f for a turbulent flow of a Bingham plastic can be determined directly from Equation (15) (with Equation (16) substituted in, if required).
A third point illustrated by Figure 3 is that the turbulent flow of a Bingham plastic tends to show remarkably small variations in f for large changes in flow velocity.
For the commonly-used two-parameter Bingham plastic model, the old Hedstrom technique overestimates friction losses.
The Turbulent Flow of Bingham Plastic Fluids in Smooth Circular Pipes," Int.
An extended version of the model will be used below to analyze turbulent flow and the laminar-turbulent transition for pipeline flows of Bingham plastics.
4] have studied numerically the motion of a sphere through a Bingham plastic fluid within an infinite medium, whereas the present results and that of Atapattu et al.
Brown, Creeping Motion of a Sphere through a Bingham Plastic, J.