|Measurement of Friction Coefficient on a Powder Layer and Fluid Dynamic Study|
The following image is a magnified image of starch used in the experiments. We use a potato starch.
A bulk density of the dogtooth violet starch is 0.65×103kg/m3 when sieved and 0.80×103kg/m3 when compressed.
Appendix Fig. 2. A magnified image of potato starch used in experiments. Click image for an enlarged view.