H.W An inverted right circular conical tank, as shown in the figure, is initially filled with water. The water drains, due to gravity, through a small hole of radius r at the bottom. Find the height of water as a function of time and the time required for the tank to drain completely.

H.W An inverted right circular conical tank, as shown in the figure, is initially filled with water. The water drains, due to gravity, through a small hole of radius r at the bottom. Find the height of water as a function of time and the time required for the tank to drain completely.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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H.W
An inverted right circular conical tank, as shown in the figure, is initially
filled with water. The water drains, due to gravity, through a small hole of radius r at
the bottom. Find the height of water as a function of time and the time required for
the tank to drain completely.
h

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X=10 ı need help, thanks
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A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 47 kg/s. Another identical elbow is attached to the existing elbow such that the water flow makes a U-turn as shown in the second figure. The diameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local atmospheric pressure. The elevation difference between the centers of the exit and the inlet of the elbow is 50 cm. The weight of the elbow and the water in it is considered to be negligible. Take the momentum-flux correction factor to be 1.03 at both the inlet and the outlet. Take the density of water to be 1000 kg/m³. Water m kg/s Water 2 1 FRI 50 cm FRX 50 cm If another (identical) elbow is attached to the existing elbow so that the fluid makes a U-turn, determine the magnitude of anchoring force needed to hold the elbow in place. The magnitude of anchoring force needed to hold the elbow in place is 438 * N.
Note:hand written solution should be avoided.
A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 43 kg/s. Another identical elbow is attached to the existing elbow such that the water flow makes a U-turn as shown in the second figure. The diameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local atmospheric pressure. The elevation difference between the centers of the exit and the inlet of the elbow is 50 cm. The weight of the elbow and the water in it is considered to be negligible. Take the momentum-flux correction factor to be 1.03 at both the inlet and the outlet. Take the density of water to be 1000 kg/m3.
18) A circular tank of diameter 1.25 m is filled with water up to a height of 5 m and an orifice of 50 mm diameter is provided at its bottom to empty it. Determine the height of water above the orifice after 1.5 minutes if the tank starts emptying. Take Ca = 0.62