Author:Bonapace, AC; Du Toit, PDate:1976This report aims to investigate coal in its various stages of mechanical handling during the processes of winning, preparation and utilization, and how it causes wear of the metal surfaces with which it makes contact. And presents basic ...Read more
Author:Bonapace, ACDate:1971The drag coefficient of a solitary particle when moving relative to a fluid, when rising or falling vertically in a stationary fluid, is a well-known function of the particle Reynolds number.Read more
Author:Bonapace, ACDate:1977The friction factor of a stream carrying a fully suspended load of particles is analyzed. Friction factors of the suspension coincide with those of the pure liquid, if referred to the actual fluid velocity, i.e. less than the friction factors ...Read more