A qualitative discussion of the geometrical properties of dihedral and sweep in turbo-machine blade rows is presented with a discussion of the consequent fluid dynamic effects upon blade to blade and meridional flows. Results of blade to blade calculations for four heavily loaded turbine cascades of infinite span and various angles of sweep are presented. Annulus end wall interference effects on blade to blade flow are briefly discussed with reference to previous work. The principal analytical contribution is a development of actuator disc theory to deal with meridional flows for swept cascades and for blade rows in cylindrical annuli.
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Lewis et al. (1971) studied this question.
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