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# PPT ON TRIANGULAR NOTCH.pptx

fluid mechanics

fluid mechanics

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### PPT ON TRIANGULAR NOTCH.pptx

1. 1. KALI CHARAN NIGAM INSTITUTE OF TECHNOLOGY, BANDA LECTURE ON TRIANGULAR NOTCH FLUID MECHANICS AND FLUID MACHINE(KME302) ( III SEMESTER ) BY : DEEPAK KUMAR YADAV ME DEPARTMENT
2. 2. DISCHARGE OVER A TRIANGULAR NOTCH OR WEIR • The expression for the discharge over a triangular notch or weir is the same. It is derived as • Width of strip • Area of strip • Discharge through the strip,
3. 3. DISCHARGE OVER A TRIANGULAR NOTCH OR WEIR • Total discharge, • For a right angled V notch , If Cd=0.6 θ = 90o Discharge
4. 4. NUMERICAL PROBLEM 1:During an experiment in a laboratory 0.05m3 of water flowing over a right-angled notch was collected in 1minute. If the head of the sill is 50mm, calculate the co-efficient of discharge. [ AKTU 2021-22] PROBLEM 2:Find the discharge over a triangular notch of angle 60o when the head over the V notch is 0.3m. Assume Cd =0.6. PROBLEM 3: Water flows over a rectangular weir 1m at a depth of 150mm and afterwards passes through a triangular right-handed weir. Take Cd for the rectangular and triangular weir as 0.62 and 0.59 respectively, find the depth over the triangular weir.
5. 5. THANK YOU