### assessing the energy efficiency of a jaw crusher

Sep 01, 2014 · The following set of equations represents the way to calculate the efficiency of the actual jaw crusher using the Rose and English model and selecting a specific shape for the particle size distribution: (A.19) d P i = P x (i) + P x (i + 1) 2 d P i = P x (i) for the last interval “ i ” (A.20) D f Sm = ∑ Δ x P (i) 1 ∑ Δ x P (i) d P i (A.21) d F i = F x (i) + F x (i + 1) 2 d F i = F x (i) for the last interval “ i ” (A.22) D i Sm = ∑ Δ x F (i) …