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09.08.24
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INTRODUCTION TO
FLUID MECHANICS
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OBJECTIVES FOR TODAY
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• Learn basic concepts of fluid mechanics.
• Discuss the rationale for groupings for
online/F2F reporting and recitation.
• Revisit significant digits which will be a
common requirement in activities.
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ENGR. ARON MACATANGAY, RME, RMP
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09.08.24
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Mechanics is the area of
mathematics and physics
concerned with the relationships
between force, matter, and
motion among physical objects.
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FLUID
MECHANICS
F = ma
2
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SOLID
MECHANICS
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MECHANICS
MECHANICS
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09.08.24
FLUID
MECHANICS
3
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09.08.24
4
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200 N
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50 N
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09.08.24
50 N
200 N
5
LIQUID PARTICLES “STICK
TOGETHER”INSTEAD OF FLYING
AWAY
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FLUID
MECHANICS
FLUID
KINEMATICS
FLUID
DYNAMICS
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FLUID
STATICS
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GAS PARTICLES “FLY
AWAY” AS LONG AS
THERE IS AN OPENING
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09.08.24
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FLUID
DYNAMICS
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FLUID
MECHANICS
FLUID
KINEMATICS
)E
FLUID
DYNAMICS
STUDY OF
FLUIDS @
MOTION
(NEGLECTING
PRESSURE
FORCES)
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STUDY OF
FLUIDS @
REST
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FLUID
STATICS
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FLUID
KINEMATICS
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FLUID
STATICS
STUDY OF
FLUIDS @
REST
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FLUID
MECHANICS
7
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FLUID
DYNAMICS
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY
ONLY)
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY +
ENERGY)
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FLUID
DYNAMICS
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY
ONLY)
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY +
ENERGY)
)E
FLUID
KINEMATICS
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STUDY OF
FLUIDS @
REST
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FLUID
STATICS
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MECHANICS
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FLUID
KINEMATICS
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FLUID
STATICS
STUDY OF
FLUIDS @
REST
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FLUID
MECHANICS
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FLUID
DYNAMICS
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY
ONLY)
STUDY OF
FLUIDS @
MOTION
(CONSIDERING
GEOMETRY +
ENERGY)
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FLUID
KINEMATICS
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STUDY OF
FLUIDS @
REST
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FLUID
STATICS
MIDTERMS
ONWARDS
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FLUID
MECHANICS
NOW TO
MIDTERMS
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GROUPING RATIONALE
I will group you into groups with 5-7 members each.
We will have online class reporting days.
on
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You will chose among yourselves who will report (1-2 persons usually
each time).
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By end of the semester, all members of each group should had the
chance to report at least twice.
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RECITATION RATIONALE (TBA)
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I will use wheel of names once in a while especially during online class.
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Every student’s name will appear TWICE in the wheel when we start.
The correctness of the answer does NOT matter. The important part is the
interaction.
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If you are able to participate, your name will be removed from the wheel.
If you are unable to speak, your name will be kept in the wheel.
If by end of semester, your name is not in the wheel anymore, 100%. One
name remaining, 50%. Two names remaining, 0%.
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Reporting quality, and teamwork will be graded, counted as one quiz.
Recitation will be part of “exercises” which will be one equivalent problem set.
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APPLICATIONS OF FLUID MECHANICS
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09.08.24
APPLICATIONS OF FLUID MECHANICS
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APPLICATIONS OF FLUID MECHANICS
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09.08.24
APPLICATIONS OF FLUID MECHANICS
12
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Computational
Fluid
Dynamics
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Significant Digits
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09.08.24
ANSYS Fluent
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09.08.24
Significant Digits
0.0114450
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0.0094075
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1.2524
on
13.1989
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32.140
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How many of these numbers have five
significant digits?
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