Introduction to Fluid Mechanics for Chemical Engineers�

CHEE 3363Spring 2014Handout 01

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CHEE 3363 Handout 01

Learning objectives for lecture

1.�

2. Differentiate a system volume from a control volume.�

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4. �

5.

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Fluids encountered in chemical engineering

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System volume versus control volume

system volume: �

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System volume versus control volume

control volume: �

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control volume:�

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Choose or

Integral approach:�

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- System size:�

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Differential approach:�

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- System size:�

-

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Conservation of mass (continuity equation)

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Linear momentum principle (Newton’s second law)�

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Angular momentum principle (also Newton’s second)

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IIIFirst law of thermodynamics�

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Second law of thermodynamics

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∑F = kma

Systems of units used in engineering

System k Force F

Mass M

Length L

Time t

Temperature T

SI

BG

EE

SI units of force: �

BG units of force:

EE units of force:

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CHEE 3363 Handout 01

θ

IIFind:

L

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θ

IIFind:

L

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— unit analysisGiven: �Find: the

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Given:d = kV. �

Find:t.

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Given:d = kV. �

Find:t.