Abstract
From the view point of machine dimension, the axially curved mixed-flow diffuser has a large benefit compared with the purely conical or the radially curved mixed-flow diffuser. In the present study, the flow pattern and pressure recovery in the axially curved mixed-flow diffusers are experimentally examined, and the result are compared with those of the purely conical diffusers. The pressure recovery factor and diffuser effectiveness of the axially curved diffuser showed a lower performance compared with the purely conical diffuser, but the difference was small. By use of a guide fence at the inner wall, flow in the axially curved diffuser was rectified and a favorable performance was obtained.
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More From: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
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