Test of a Dual-Rotation Axial-Flow Fan
Description:
Report presenting a dual-rotation axial-flow fan composed of two oppositely rotating 24-blade rotors. The fan was tested with various combinations of front and rear blade angles and with two combinations of front and rear solidities. For quantity coefficients above 0.3 the greatest pressure rise was obtained from 24 blades in each rotor with the blades adjusted to absorb equal torque at maximum pressure.
Date:
December 1942
Creator:
Bell, E. Barton & DeKoster, Lucas J.
Item Type:
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