Turbulent%20Flat-Plate%20Flow%20*P7.34

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Turbulent Flat-Plate FlowP7.34

• Sarah Jeffords
• Travis King
• Scott Laura
• Eric Post

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• A thin equilateral-triangle plate is immersed
  parallel to a 12 m/s stream of water at 20C.
• Estimate the drag of the plate.

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Retr 5 x 105
• Laminar, tubulent flat-plate flow
• Laminar leading edge
• 2-dimensional flow
• Constant temperature
• Constant viscosity
• Constant density

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• 30-60-90 triangle

v3 m
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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• According to Table A.1 at 20C
• Calculate Reynolds Number
• ? Turbulent

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Reynolds Transition Number
• Laminar Leading Edge
• Coefficient of Drag

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Drag
• ?

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Blood flow restrictions
• Atherosclerosis
• Plaque build-up and break-off in arteries
• Balloon catheter and stint for angioplasty
• Sickle-cell disease
• Red blood cell grouping and blockage
• Central line
• Wire with triangular barbed end for insertion
• Drag caused by barbed wire

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Sensors
• Determine flow rate of fluid over sensor
• Sensitivity to turbulence, velocity, and
  viscosity
• Birth Control
• Flow restriction of sponge from vaginal orifice
  to cervix
• Kidney stones
• Crystals obstruct flow of nephrons to urethra

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PROBLEM ASSUMPTIONS DIAGRAM
SOLUTION APPLICATIONS
QUESTIONS

• Questions?