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Fluid Flow Hydrodynamics Aerodynamics

Fluid Flow Hydrodynamics Aerodynamics. Bernoulli’s Principle Poiseuille’s Law. Wind tunnel visualization of air flow. streamlines. AIR FLOW. Streamlines and fluid flow. The black lines are the paths that the fluid takes as it flows.

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Fluid Flow Hydrodynamics Aerodynamics

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  1. Fluid FlowHydrodynamicsAerodynamics Bernoulli’s Principle Poiseuille’s Law

  2. Wind tunnel visualization of air flow streamlines AIR FLOW

  3. Streamlines and fluid flow • The black lines are the paths that the fluid takes as it flows. • Wider spacing indicates low speed flow, narrow spacing indicates high speed flow • Color indicates pressure High Low pressurepressure

  4. Bernoulli’s Principle • Fluid flow velocity = v • Fluid pressure = P  where v is high, P is low  where v is low, P is high

  5. Blowing air over the top of the tube lowers the air pressure on that side allowing the fluid to rise

  6. Bernoulli's Principle

  7. wing Streamlines around a wing From the perspective of the jet, the air is moving past it High speed  low pressure Low speed  high pressure

  8. Flow over an airplane wing

  9. 11.10 Applications ofBernoulli’s Equation

  10. 11.11 Viscous Flow POISEUILLE’S LAW The volume flow rate is given by: his a constant called the viscosity- it is a measure of the resistance of the liquid to flowing (i. e., “thickness”)

  11. POISEUILLE’S LAW

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