Bladeshape of the runner in turbomachines - PowerPoint PPT Presentation
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Bladeshape of the runner in turbomachines
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Title: Bladeshape in turbomachines Author: Ole G. Dahlhaug Last modified by: Ole G. dahlhaug Created Date: 1/29/2003 7:09:05 PM Document presentation format – PowerPoint PPT presentation
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Title: Bladeshape of the runner in turbomachines
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Bladeshape of the runner in turbomachines
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X blade runner
Traditional runner
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Bladeshape of radial machines
- Input parameters
- Head H m
- Flow rate Q m3/s
- Speed n rpm
- Choose
- Inlet diameter D1 m
- Outlet diameter D2 m
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Axial view
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Calculate all velocities in the inlet velocity
triangle
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Svartisen
P 350 MW H 543 m Q 71,5 m3/S D0
4,86 m D1 4,31m D2 2,35 m B0 0,28 m n
333 rpm
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Calculate all velocities in the outlet velocity
triangle
u2
b2
c2
w2
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Draw the radial view
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Bladeshape of axial machines
- Input parameters
- Head H m
- Flow rate Q m3/s
- Speed n rpm
- Choose
- Inlet diameter D1 m
- Outlet diameter D2 m
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Axial view
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Jebba, Nigeria
Q 376 m3/s H 27,6 m P 96 MW
D0 8,5 m De 7,1 m Di 3,1 m B0 2,8 m
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Calculate all velocities in the inlet velocity
triangles
u1
b1
c1
w1
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u1
u1
b1
b1
c1
c1
w1
w1
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Calculate all velocities in the outlet velocity
triangles
u2
b2
c2
w2
u2
b2
c2
w2
