ABSTRACT
Particles that are size classified in a hydrocyclone experience a complex force environment which includes forces proportional to size, shape, and specific gravity. Inefficient size classification occurs if particles of the same size and specific gravity appear both in the overflow and underflow streams. Fourier shape discriptors were used to show that the variation of drag forces due to particle shape was a significant factor in this inefficiency, thus providing a tool for better hydrocyclone design.