3502 Review

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3502 Review Water Flows from left to right through the restriction. Given the geometric measures of height h and diameter D Write down all the equations that can be used to find the pres and velocities at the points indicated z air water h 4 1 2 3 4 h 2 h 3 D 1 D 4 4 2 1 4 4 2 1 4 3 4 2 3 2 1 2 2 4 4 4 2 1 1 V D D V Q Q ) h h ( 3 p p p p h p p g 2 V h p g 2 V p If we set p 4 = vapor pressure (incipient cavitation condition) We can SOLVE

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Water Flows from left to right through the restriction. Given the geometric measures of height h and diameter D Write down all the equations that can be used to find the pressure and velocities at the points indicated. air. 2. water. 3. h 2. D 4. 4. h 3. z. h 4. 1. D 1. 3502 Review. - PowerPoint PPT Presentation

Transcript of 3502 Review

Page 1: 3502 Review

3502 ReviewWater Flows from left to right through the restriction.Given the geometric measures of height h and diameter DWrite down all the equations that can be used to find the pressureand velocities at the points indicated

z

air

water

h4

1

2

3

4

h2

h3

D1

D4

4

2

1

4421

434

23

212

24

44

211

VD

DVQQ

)hh(3pp

pp

hpp

g2

Vh

p

g2

Vp

If we set p4 = vapor pressure(incipient cavitation condition)We can SOLVE

Page 2: 3502 Review

If plate is rectangle, Area = length x breath, A = l x b. I = (b x l3) /12

p0

p0

AhF c

Balancing force on Gate is

Forces on Gates

hc

--hc depth to centroid

Point of application—slant distance to free-surface

Asin

hI

yyc

ccp

Dimension into page

If plate is ellipse, Area = a x b, I = (b x a3) /4 Fig A1

yc Slant distance to centroid

yc

Page 3: 3502 Review

p0

p0

AhF *c

Forces on Gates—Subtleties

hwater

Asin

h

Iyy

*c

ccp

Oil S < 1

Use SAME Formulas But use Modified height

Other Fluid Layer of uniform thickness hoil

oilWater* Shhh

hwater

Pressurized Gas Chamber

och pp

Gate connected to a pressurized gas chamber

)pp(hh 0chWater*

Use SAME Formulas But use Modified height

Ce 3502 In class mid sem. quiz, Oct 11, 2007: Open Book/Note Answer on Exam sheetName:

Voller 1