Abstract
This paper deals with the design and performance of an eight-bladed axial-flow fan to give high pressures and an approximately constant horsepower characteristic. The performance in the laboratory indicates the attainment of a static pressure of 22.2 in. of water at a peak efficiency of 77.5 per cent, with a peripheral speed of 40,000 fpm. The no-flow horsepower is only 16 per cent greater than at peak efficiency. The performance is compared with that predictable from wind-tunnel tests of a cascaded series of air foils.
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Research Papers
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