Sm. Nabi et N. Ganesan, STRESS-ANALYSIS OF A COMPOSITE CENTRIFUGAL FAN IMPELLER USING THE CYCLIC SYMMETRICAL APPROACH, Computers & structures, 48(5), 1993, pp. 781-785
The aim of this paper is to analyse the stress levels in a composite c
entrifugal fan impeller in a steady-state condition. In the solution p
rocedure a cyclic symmetric approach is used, coupled with a modified
Potter's scheme of solving simultaneous equations. This means less com
puter time and memory are required. Two composite materials, namely gl
ass-epoxy and boron-epoxy, have been studied Radial and circumferentia
l fibre orientations are analysed. Maximum stress levels at different
speeds have been calculated. Maximum deflections and factor of safety
at 2000 rpm under both fibre orientations for the above materials are
obtained.