Optimal Design of a Plenum Fan with Three-Dimensional Blades

We successfully designed an optimized plenum fan with a three-dimensional, smooth, curved blade. The optimized model revealed that the static pressure in the channel had been increased uniformly and stably, and the flow separation at the leading edge was significantly reduced. According to simulatio...

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Published in:Applied sciences 2020-05, Vol.10 (10)
Main Authors: Lee, Kyung Jung, Park, II Wung, Bang, Ki Suk, Kim, Yeong Min, Ahn, Young Chull
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Language:English
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Design and construction
Engineering design
Fans (Equipment)
Methods
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creator Lee, Kyung Jung
Park, II Wung
Bang, Ki Suk
Kim, Yeong Min
Ahn, Young Chull
description We successfully designed an optimized plenum fan with a three-dimensional, smooth, curved blade. The optimized model revealed that the static pressure in the channel had been increased uniformly and stably, and the flow separation at the leading edge was significantly reduced. According to simulations, the three-dimensional blade stabilized the fluid flow, and the flow friction was reduced by suppressing the flow separation as much as possible so that both the static pressure and the static efficiency were clearly improved in comparison with those of the original model. As a result, the static efficiency was improved by 6.3% compared with that of the original model. Keywords: plenum fan; blade profile; static pressure; static efficiency; velocity distribution; pressure distribution
doi_str_mv 10.3390/app!0103460
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subjects Design and construction
Engineering design
Fans (Equipment)
Methods
title Optimal Design of a Plenum Fan with Three-Dimensional Blades
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