How to Measure the Angle of Repose, Angle of Fall & Angle of Difference with the PowderPro A1

Angle of Repose(θR): The angle between the surface of the powder pile and the horizontal plane to which a material can be piled without slumping is called the angle of repose. θR= tan-1(h/r)

Angle of Fall(θF): The angle between the slope of the collapsed powder pile and the horizontal plane is defined as the angle of fall. θF= tan-1(h/r)

Angle of Difference(∆θ): The angle of difference is the difference between the angle of repose and the angle of fall. ∆θ=θR−θF

In this video, Bettersize application engineer Shelly Zhang is demonstrating how to measure the angle of repose, angle of fall, and angle of difference of powder materials using automatic powder characteristics tester: PowderPro A1. This automatic powder characteristics tester not only accurately measures the characteristics of powder materials but also the Bettersize app makes it easy to use and saves your time.

Angle of Repose, Angle of Fall & Angle of Difference Testing of Powder Materials with PowderPro A1

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