静水圧によるらせん水車の性能予測「第一報：損失を考慮しない場合」

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  • Performance Prediction for an Archimedes Screw Turbine Based on Hydrostatic Pressure “First Report : In Case Without Consideration of Losses”
  • 静水圧によるらせん水車の性能予測(第1報)損失を考慮しない場合
  • セイスイアツ ニ ヨル ラセン スイシャ ノ セイノウ ヨソク(ダイ1ポウ)ソンシツ オ コウリョ シナイ バアイ

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<p>The shaft power of an Archimedes screw water turbine was predicted through presented calculation by using the static pressure acting on the blades in the case of a constant runner diameter and constant runner revolution speed. It was confirmed that the theoretical shaft power obtained from this calculation was equal to the hydraulic power obtained from both the net head and the flowrate obtained through this calculation. When the shaft diameter was set to 60% of the runner outer diameter, the flowrate through the turbine was found to reach the maximum value. This means the theoretical shaft power also can be maximum value in this shaft diameter ratio. Further, when the inclination of the shaft is 21°, the maximum value of the shaft power was found to increases with increase in the number of blades. Under the same condition blade pitch that yielded the maximum shaft power was also found to increase.</p>

収録刊行物

  • ターボ機械

    ターボ機械 45 (9), 555-564, 2017

    一般社団法人 ターボ機械協会

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