ii) A pipe of diameter 400 mm carries water at a velocity of 25 m/s. The pressure at the point A and B are given as 29.43 N/cm2 and 22.563 N/cm2 respectively while the datum head at A and B are 28 m and 30 m. Find the loss of head between A andB.
I) A fluid flow field is givenby:
? = − 3 ?4?? + ?3?? − (5 ??? − ??7) ?.
Calculate the acceleration at the point (2,5,3).
ii) A pipe of diameter 400 mm carries water at a velocity of 25 m/s. The pressure at the point A and B are given as 29.43 N/cm2 and 22.563 N/cm2 respectively while the datum head at A and B are 28 m and 30 m. Find the loss of head between A andB.
III) A horizontal pipe line 40 m long is connected to a water tank at one end and discharges freely into the atmosphere at the other end. For the first 25 m of its length from the tank, the pipe is 150 mm diameter and its diameter are suddenly enlarged to 300 mm. The height of water level in the tankis8mabovethecentreofthepipe.Consideringalllossesofheadwhichoccur,determinethe rate of flow. Take f = 0.01 for both sections of thepipe.
Iv) Two pipes of identical length and material are connected in parallel. The diameter of pipe A is twice the diameter of pipe B. Assuming the friction factor to be the same in both cases and disregarding minor losses, determine the ratio of the flow rates in the twopipes.
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