Abstract
In order to decide the fundamental rule of beating and cleaning actions of machinery, following formula are deduced by dimentional analysis. where Ca: cleaning action in %, Rbt: trash content % of bale cotton, Kc, Kp: coefficient of cleaning action and beating power, P: beating power in kg-m/sec, L: diameter of beater and cylinder in m, Q: cotton feed in kg/sec, Z: number of blade or striker, i: number of line of striker, η: striking effect, Sv: specific surface area of cotton tuft based on volume in 1/m, n: rotating speed of beater in r. p. s., γs, γf: specific weight of cotton tuft and air in kg/m3, e: clearance gauge of grid bar and beater in m, θ: arrangement angle of grid bar in deg.
By calculation the coefficient of cleaning and beating are as follows:
[Kc: 0.10_??_1.3 (HBB) to 0.00068 (FS), Kp: 5_??_15 (HBB) to 0.025 (FS)]
