DMT 1 - 10 Flashcards

1
Q

What is Bernoulli’s Equation?

A

BE is a simple and easy to use relation between the pressure, velocity and elevation in a moving fluid

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2
Q

What is BE for steady, incompressible and inviscid flows?

A

𝑃+ (πœŒπ‘£^2)/2+πœŒπ‘”π‘§=

πΆπ‘œπ‘›π‘ π‘‘π‘Žπ‘›π‘‘ π‘Žπ‘™π‘œπ‘›π‘” π‘Ž π‘ π‘‘π‘Ÿπ‘’π‘Žπ‘šπ‘™π‘–π‘›π‘’

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3
Q

What is BE for two points on a streamline?

A

𝑃_1+(πœŒγ€–π‘£_1γ€—^2)/2+πœŒπ‘”π‘§_1= 𝑃_2+(πœŒγ€–π‘£_2γ€—^2)/2+πœŒπ‘”π‘§_2

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4
Q

What can Bernoulli’s Equation be translated as?

A

β€œWork done on a fluid particle by pressure and gravity forces is equal to the change in its kinetic energy”

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5
Q

Which part of BE represents Stagnation pressure?

A

𝑃+ (πœŒπ‘£^2)/2

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6
Q

What does Stagnation Pressure represent?

A

Stagnation pressure represents the pressure at a point where the fluid is brought to a complete stop isentropically

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7
Q

Dive an example of Stagnation pressure?

Diagram

A

_____

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8
Q

What is the Pitot Tube with Piezometer Equation?

A

𝑣= √((2 (𝑃_π‘ π‘‘π‘Žπ‘” βˆ’π‘ƒ))/𝜌)= √2π‘”βˆ†β„Ž

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9
Q

Draw a diagram to represent this Equation?

A

_____

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10
Q

What are the 6 limitations of BE?

1 - 3

A

Steady Flow
Frictionless Flow
Incompressible Flow

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