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VIPSolutions · Accepted Answer

The image shows a webpage from Chegg's Expert Q&A platform, featuring a student question related to the design a flow hydro turbine. The question specific parameters about the turbine and asks several calculations, including:

1.ining the inlet and outlet blade angles2. Estimating the power in megawatts.
3. Evaluating the design feasibility within the typical range for a Francis turbine.
4. Computing the turbine specific if the computed is outside the normal range.

**Key parameters provided:**

- Runner outlet radius: $ r_2 = 2.00 \, m $
- Runner inlet radius: $ r_1 = 1.42 \, m $
- Flow width at outlet: $ b_2 = .731 \, m $
- Flow width at inlet: $ b_1 = 2.20 \, m $
- Rotational speed: $ n = 180 \, rpm $ (ignore if above 180 rpm)
- Guide vane angle: $ \alpha_2 = 30^\circ $
- Radial direction angle: $ \alpha_1 = 10^\circ $
- Discharge: $ Q = 340 \, m^3/s $
- Gross head: $ H_{gross} = 90. \, m $

The question involves applying fluid mechanics and turbine design principles to perform the calculations.

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