1739 狭隘場における遠心送風機性能に関する研究 : 狭隘場高さの影響(G05-4 流体工学(4)流体機械,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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We experimentally and numerically investigated the aerodynamic performance and noise characteristic of the centrifugal blower, which was equipped in a narrow space. The experimental results suggested that the pressure-rise decreased and the noise level increased, and the unsteadiness of the inlet flow became larger, as the distance between the blower and wall was decreased. The numerical results also suggested that the non-uniformity of the inlet flow became larger as the distance between the blower and wall was decreased. We concluded from the experimental and numerical results that the characteristics of the inlet flow strongly affected the aerodynamic performance and noise characteristic of the centrifugal blower equipped in a narrow space.
2008-08-02