V1 A1 P1.gage F, V2 B2 A2 P2.gage
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter6: Milling
Section6.1: Introduction To The Vertical Milling Machine
Problem 2RQ: Briefly describe the direction of movement provided by the saddle.
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Question
An incompressible fluid of density ? and viscosity ? flows through a curved duct that turns the flow 180°. The duct cross-sectional area remains constant. The average velocity, momentum flux correction factor, and gage pressure are known at the inlet (1) and outlet. (a) Write an expression for the horizontal force Fx of the fluid on the walls of the duct in terms of the given variables. (b) Verify your expression by plugging in the following values: ? = 998.2 kg/m3, ? = 1.003 × 10−3 kg/m·s, A1 = A2 = 0.025 m2, ?1 = 1.01, ?2 = 1.03, V 1= 10 m/s, P1,gage = 78.47 kPa, and P2,gage = 65.23 kPa
Transcribed Image Text:V1
A1
P1.gage
F,
V2
B2
A2
P2.gage
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