Experimental Investigation and Numerical Simulation on Surge in a Low-Specific-Speed Centrifugal Blower

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概要

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• A low-specific-speed centrifugal blower with a low-solidity cascade diffuser was tested and the time variation of static pressure was measured at several locations on the side walls between cascade vanes, at the vaneles zone and at the blower intake using high frequency response pressure transducers. The time variation of flow rate was also measured at the blower intake using a hot-wire anemometer. Surge, and so called surge cycle, in the centrifugal blower were discussed based on the time histories of pressure and flow. ln addition to the data analysis of the experiments, numerical simulation was made for the system dynamic model including the effect of B-parameter and the numerical results were compared with the experimental data.

• 九州大学の論文
• 1996-03-28

著者

• Hayami Hiroshi

  Institute Of Advanced Material Study Kyushu University

• Hassan Ahmed

  Graduate School Of Engineering Sciences Kyushu University

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• The Influences of Tip-Clearance on the Performance of Nozzle Blades of Radial Turbines : Fluids Engineering
• Experimental Investigation and Numerical Simulation on Surge in a Low-Specific-Speed Centrifugal Blower

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