## Questions and Answers

What property of a fluid does the Bernoulli Equation relate to?

Velocity and pressure

How does severe arterial stenosis affect blood flow according to the text?

It prevents sufficient blood flow due to high pressure.

What phenomenon does the Reynolds Number help predict in fluid mechanics?

Turbulent flow

Why does an increase in fluid velocity result in a decrease in pressure, according to the Bernoulli Equation?

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How does the Venturi Effect explain pressure changes in a constricted pipe?

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According to the Bernoulli equation, what happens to the pressure when the flow velocity increases?

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What phenomenon is observed in a Venturi tube, which is based on the Bernoulli principle?

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In the context of microfluidic systems, which application of the Bernoulli principle is discussed?

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Who is credited with formulating the theoretical basis for the Bernoulli equation?

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What is the primary factor that causes the aerodynamic lift on an aircraft wing, according to the Bernoulli principle?

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What is the relationship between flow velocity and pressure, as described by the Bernoulli equation, assuming other factors remain constant?

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What condition must be satisfied for the Bernoulli equation to be valid?

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What principle is responsible for the phenomenon of aerodynamic lift?

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In the context of microfluidic systems, what does the term 'laminar flow' refer to?

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According to the Bernoulli equation, what happens to the pressure when the velocity of a fluid increases?

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Who is credited with the formulation of the Bernoulli equation?

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What is the Venturi effect, and how is it related to the Bernoulli equation?

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## Study Notes

### Fluid Mechanics

- At severe arterial stenosis, the pressure drop is too high, resulting in not enough blood flowing through.
- Mild stenosis: pressure drop is moderate.
- Severe stenosis: pressure drop is very high.

### Bernoulli Equation

- The equation relates the pressure of a fluid to its velocity: v² + p/ρ = const.
- Applies to steady-state and laminar flow.
- States that the sum of the kinetic energy and potential energy of a fluid is constant.

### Aerodynamic Lift

- The shape of an airfoil is designed such that the air velocity above is faster than the velocity below.
- This results in less pressure above than below the airfoil, creating a lift (force).

### Reynolds Number (Re)

- Developed by Osborne Reynolds (1842-1912).
- Measures the nature of fluid flow (laminar or turbulent).

### Venturi Effect

- High flow velocity corresponds to low pressure, and high pressure corresponds to low flow velocity.
- Experimentally demonstrated by Giovanni Battista Venturi (1746-1822).

### Euler Equation

- A mathematical equation describing fluid flow in the absence of friction (laminar flow).
- Relates the velocity of a fluid to its pressure and density.

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## Description

Test your knowledge on fluid mechanics, specifically focusing on the Bernoulli equation, Euler equation, Venturi effect, and microfluidic systems. Explore concepts related to steady-state, laminar flow, flow velocity, and pressure in this quiz.