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http://dx.doi.org/10.5293/KFMA.2008.11.5.030

Flow characteristics of axial fan with shroud  

Lee, Kwang-Hee (선문대학교 대학원 기계공학과)
Kim, Jae-Won (선문대학교 기계공학과)
Publication Information
The KSFM Journal of Fluid Machinery / v.11, no.5, 2008 , pp. 30-36 More about this Journal
Abstract
Axial fan without static blades requires the duct as a guidance for unskewed inflows. This work examined the geometric effects of a duct guided the in and out flows through an impeller. The present methodologies are computational predictions with parallel work by experimental validation. Several different positions of a rotor in a duct are proposed for plausible models of a rotor inside a duct. The optimum axial position of an impeller in a duct is found at the #4 model where the impeller lies on the inlet edge of a circular duct. The model shows a wider inlet area. The result of computational prediction is in good agreement with experiment measurement.
Keywords
Axial fan; CFD; Fan tester; Performance; Shroud;
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