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An incompressible fluid of density ? and viscosity ? flows

Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala ISBN: 9780071284219 39

Solution for problem 37P Chapter 6

Fluid Mechanics | 2nd Edition

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Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala

Fluid Mechanics | 2nd Edition

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Problem 37P

Problem 37P

An incompressible fluid of density ρ and viscosity μ 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 (2), as in Fig. P6–40. (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: ρ = 998.2 kg/m3,μ = 1.003 × 10−3 kg/m s, A l = A2 =0.025 m2, β1, = 1.01. β2 = 1.03, V1 = 10 m/s, Pl.gage = 78.47 kPa, and P2.gage =   65.23 kPa. Answer,(b) Fx = 8680 N to the right

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Chemical and Biological Aspects of Nutrition ● our bodies are in a constant state of renewal ● nutrients in the food we eat are used to renew body tissues ● these nutrients become available to the body through processes termed digestion and absorption ○ digestive disorders are common and often related to dietary intake ● every day, approx. 5% of our body weight is replaced by new tissue ○ cells die and new ones are made = apoptosis ○ substances in our blood are replaced ○ body fluids are replaced ● examples of cell renewal ○ taste cells are replaced every 7 days ○ cell lining in the intestinal tract are replaced every 1 to 3 days ○ cells in the skin are replaced every month ○ red blood cells are replaced every month ● digestion and absorption make nutrients available for use by every cell in the body ● digestion ○ mechanical and chemical process ○ ingested food is converted into substances that can be absorbed by the IR and utilized by the body ● absorption ○ process by which nutrients and other substances are transferred from the digestive system into body fluids for transport throughout the body Digestion ● the process by which food is broken down into absorbable units ● occurs 3-4 hours after meal ● liver ● gallbladder ● large intestine ● appendix ● esophagus ● stomach ● pancreas ● small intestine ● rectum ● anus ● oral cavity = 25-30 feet long

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Chapter 6, Problem 37P is Solved
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Textbook: Fluid Mechanics
Edition: 2
Author: Yunus A. Cengel, John M. Cimbala
ISBN: 9780071284219

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An incompressible fluid of density ? and viscosity ? flows