International Journal of Rotating Machinery / 2016 / Article / Tab 1

Research Article

The Design Method of Axial Flow Runners Focusing on Axial Flow Velocity Uniformization and Its Application to an Ultra-Small Axial Flow Hydraulic Turbine

Table 1

Specifications of test runners.

HubMidTip

OriginalRadius [mm]15.124.634.1
Solidity 1.040.720.57
Blade angle [°]16.921.024.7
AirfoilMEL031
Blade number 4

Case 1Radius [mm]15.124.634.1
Solidity 0.970.720.58
Blade angle [°]31.727.831.0
AirfoilMEL031
Blade number 4

Case 2Radius [mm]15.124.634.1
Solidity 0.950.720.59
Blade angle [°]36.419.111.3
AirfoilMEL031
Blade number 4

Case 3Radius [mm]15.124.634.1
Solidity 0.950.730.60
Blade angle [°]38.017.07.6
AirfoilMEL031
Blade number 4

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