Hydropower Engineering
CE 704
Question
2076 ChaitraChapter 3: Power and Energy Potential study3.1 Processing of hydrological data, Use of extreme and long term hydrological data, mass and elevation volume curves, flow duration curves
The monthly flows of a stream over the period of the driest year on record are as shown below:
| Month | J | F | M | A | M | J | J | A | S | O | N | D |
| Flow (×106 m³) | 4.0 | 2.25 | 5.0 | 1.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1.25 | 1.25 | 5.0 | 6.25 |
(i) Estimate the maximum possible uniform draw-off from this stream and determine the reservoir capacity to achieve the uniform draw-off and the minimum initial storage to maintain the demand.
(ii) If the reservoir has only a total capacity of 8×106 m³ with an initial storage of 4×106 m³, determine (a) the maximum possible uniform draw-off and (b) the spillage. [7+3+2]
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