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## Main Question or Discussion Point

I would like to determine what should be the size and number of pipes that are attached tangent to the cone of a tank. I will very much appreciate it that some one comment on how to approach and calculate it.

I am trying to create a whirlpool action with an angular velocity of 1 rpm in a tank with cone bottom. The tank is 6 meter in diameter and 2 meters in height. The cone height is 1 meter. Initially, the tank is filled with water. Water is, then, pumped into the tank through the pipes ( the size and number are to be determined) that are attached tangent to the cone with a constant flow of 0.6 cubic meter / minute. The over-flow water exits at the top of the tank.

I am trying to create a whirlpool action with an angular velocity of 1 rpm in a tank with cone bottom. The tank is 6 meter in diameter and 2 meters in height. The cone height is 1 meter. Initially, the tank is filled with water. Water is, then, pumped into the tank through the pipes ( the size and number are to be determined) that are attached tangent to the cone with a constant flow of 0.6 cubic meter / minute. The over-flow water exits at the top of the tank.