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The Kinematic Angle of Friction between Powder and Hopper Wall

5 The Kinematic Angle of Friction between Powder and Hopper Wall, [Pg.276]

The kinematic angle of friction between powder and hopper wall is otherwise known as the angle of wall friction, This gives us the relationship between normal stress acting between powder and wall and the shear stress under flow conditions. To determine it is necessary to first construct the wall yield locus [Pg.276]

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And friction

Angle of friction

Friction angle

Friction, wall angle

Hopper

Hopper angle

Kinematic

Of friction

Powder angles

Powder of the