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10. Water is flowing upward at 1.676 m/s through a vertical piping system consisting of 3" sch40 steel pipe at the inlet and 2" sch40 steel pipe at the outlet. The vertical distance from the inlet to the outlet is 0.457 m. The inlet pressure is 68.9 kPa absolute. Assuming no friction losses, what will be the outlet pressure?

10. Water is flowing upward at 1.676 m/s through a vertical piping system consisting of 3" sch40 steel pipe at the inlet and 2" sch40 steel pipe at the outlet. The vertical distance from the inlet to the outlet is 0.457 m. The inlet pressure is 68.9 kPa absolute. Assuming no friction losses, what will be the outlet pressure?

Structural Analysis
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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DEVELOPED HEAD: Bernoulli Equation: Tpump Wgump = ++ z;2)- + a,V? + z, 2gc 2gc gc The quantities in parenthesis are called TOTAL HEADS and are denoted by H. Therefore: W, = H,-H. AH POWER REQUIREMENT: PB = m Wp = m AH = Pi where: Pa, Pb = pressure at the suction and discharge lines V = velocity H = total head Pg = the power supplied to the pump Z = height above the datum plane P: = the power delivered to the fluid NET POSITIVE SUCTION HEAD (NPSH): the difference between the static head at the suction inlet and the head corresponding to the vapor pressure of the liquid at the pump inlet NPSH = 9 (Pa – P, -) – Za suction Pa = abs. Pressure at the surface of the reservoir Pv = vapor pressure Za = height from the surface of the of the reservoir to the suction point in the where: pump
Transcribed Image Text:DEVELOPED HEAD: Bernoulli Equation: Tpump Wgump = ++ z;2)- + a,V? + z, 2gc 2gc gc The quantities in parenthesis are called TOTAL HEADS and are denoted by H. Therefore: W, = H,-H. AH POWER REQUIREMENT: PB = m Wp = m AH = Pi where: Pa, Pb = pressure at the suction and discharge lines V = velocity H = total head Pg = the power supplied to the pump Z = height above the datum plane P: = the power delivered to the fluid NET POSITIVE SUCTION HEAD (NPSH): the difference between the static head at the suction inlet and the head corresponding to the vapor pressure of the liquid at the pump inlet NPSH = 9 (Pa – P, -) – Za suction Pa = abs. Pressure at the surface of the reservoir Pv = vapor pressure Za = height from the surface of the of the reservoir to the suction point in the where: pump
10. Water is flowing upward at 1.676 m/s through a vertical piping system consisting of 3" sch40 steel pipe at the inlet and 2" sch40 steel pipe at the outlet. The vertical distance from the inlet to the outlet is 0.457 m. The inlet pressure is 68.9 kPa absolute. Assuming no friction losses, what will be the outlet pressure?
Transcribed Image Text:10. Water is flowing upward at 1.676 m/s through a vertical piping system consisting of 3" sch40 steel pipe at the inlet and 2" sch40 steel pipe at the outlet. The vertical distance from the inlet to the outlet is 0.457 m. The inlet pressure is 68.9 kPa absolute. Assuming no friction losses, what will be the outlet pressure?
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