5J5: Oi! having a specic gravy of 0.9 is Seetian (1
pumped as iiiustratcd in Fig. 135.16 with a water section (3)
jet pump. The water voiume owrate is i 1313/3.
The water and oil mixture has an average specic
gravity of 0.95. Caicuiate the rate, in m3/s,
558 Water ows from a large tank into a dish as ShGWH 111
Fig P5 .58 (a) If at the instant shown cfw_he tank and the water in
it weigh W Eb What IS the tension. T,. in the cable supporhng
the tank? (1) If at the nStant shown the diSh and ihe water in
it we
5.;-$11'- A horizorital circular cross section jet of
air having a diameter of 6 in. strikes a conicai
deector as shown in Fig. -P5.54*.A horizontal
anchoring force of 5 1b is required to hold the
cone in place. Estimate the nozzle ow rate: in
Wis. The m
& BI The Home: Dam (see Vlilee 82. ll) backs up the Cblerado _ _
River and creates Lake Mead, which is appiexhnately 115 miles long -
and has a surface area of appreximately 225 square miles If during - i
eet] coniens the Colorado River flows into the la
5.33 _
5:35. A 10-mm diameter jet of water is deected by a homoge-
neous rectangular bios]: (15 mm by 200 mm by 100 mm) that
weighs 6 N as shown in Video V5.6 ' and Fig. PS. 355. Detennine the
minimum volume owrate needed to tip the block. .
From Me Free
M
IW 2 155235 as? 53* 3352?
$1933: e: 5s. gd y comggzn'mzs sf 3 vglmiiy eid are given
by :4 w: x3: am; ~13 w wg. warming: cfw_ha equagien is: "tha
sgamnm, as? this ow and wmparc wigh $223593: _ix'ampia
43,422 is ags: 5th in s pmbm 23-21% saw: as 15:3: in.
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
Example Problem
MECH 371
Sluice Gate
MECH 371
Sluice Gate
MECH 371
Reason we begin origin at surface
MECH 371
Stability
MECH 371
Stability
If the Center of Gravity is below the centroid, a restoring couple r
MECH 371
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
Summary
Rigid Motion
Streamlines
Bernoulli Equation
MECH 371
Fluid Statics
Fluid Statics
.this says the same thing!
For fluid statics, let's assume that the flow is steady and look at a volume of
MECH 371
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
Lets begin with a story called Hydrostatic Pressure
Distribution.
Once up a time Einstein,
Marie Curie and Newton were in a swimming pool.
MECH 371
Pressure
Water will exert a force on a
submerged p
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
Streamlines
Velocity field consists of vectors
with different magnitude and
direction
Streamlines are lines tangent to
the velocity vector along the flow
field
Snapshots in time
If the flow is steady, th
MECH 371
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
Astronaut question
MECH 371
Reynolds Transport Theorem
Two different fluid analysis areas of interest
The fluid of a given mass and how it moves about within
a system
The impact the fluid has on
Dr. Laurie Carrillo
Mech 371
Fall 2015
Summary
Hydrostatic Forces on Submerged Surfaces
Flat
Inclined
Curved
Center of Pressure
Moment of Inertia
Buoyancy
Stability
Fluid Statics
Resultant Force
p=0
gage
F= pA = hA
h
Constant
Pressure
along tank
b
MECH 371
Dr. Laurie Carrillo
Mech 371
Fall 2015
MECH 371
What are applications of
Diverging-Converging Ducts?
MECH 371
What are applications of
Diverging-Converging Ducts?
In Formula one cars the flow is subsonic
The diverging nozzle slows down the velo
Lecture 1
Dr. Laurie Carrillo
Mech 371
Fall 2015
Summary
Fluid Characteristics
Fluids Properties
Viscosity
Compressibility of fluids
Pressure at a point
Additional Related Information
Range of Fluid Properties
103 m/s (Rocket nozzle exhaust)
Velocit
5V. WHKL) _W.uSQ_ +142. yd'CHon dampened 04' Hm
I Enact! MOMEHIf-u'm quat'o +0 fe7L
- ' . 9.5"45 Q
FAY- Vzmlffz' $9. _ a; m cfw_3 5.4] A free jet of uid strikes a wedge as shown in Fig. '
PSJH .:-0f the total ow, a portion is deected 30; the remainder
is
I 5.20
5-. 32.?) Two rivets merge to form a largar river as shown in
Fig P5 2.9 At a location downsttaam from e junction (before the
two streams completeiy merge), the nonuniform velocity prole' IS
as shown and the depth 15 6 ft. Determine the value of V.
5.25- I
5.2.5 Flow of a viscous uid over a at plate
surface results in the development of a region of Section cfw_2) . \ U
reduced velocity adjacent to the wetted surface '
_ as depicted in Fig. 195.25. This region of reduced
flow is calied a boundary lay
550 A nozzle is attached to a verticaE pipe and discharges .
water into the atmosphere as shown in Fig. 135.59. When the (0)1156! r?
discharge is 0.] m3/s, the gage pressure at the ange is 40 kPa. '
Determine the vertical component of the anchoring force
3J' Water ows under the inclined sluice gate ShOWn in
Fig. P3.l2l.De.termine the 0wrate if the gatejs 8 ft wide;
a HGURE P3.12l
1' a.
r+iLL+ZI= ;+3'+z wheresa-J=.0)zggl
05d Ezlff
[ff = '5 V,
Hence) E711) becomes
2.
2-3 '5?
or ,
[61-1]
.5. ,w
5.3] A hydraric jump (seeiim way) is in piace downstream;
from a spiway as indicated: in Fig. 135. Upstream of the jump,
the depth of the stream is cfw_3.6 ft and the average stream veiocity is
18 ft/s. Just downstream of thejump, the average 51162
3.1- LP Pressure Distribution between Two Circular Plates
Objective: According to the Bernoulli equation, a change in velocity can cause a change
in pressure. Also, for an incompressible flow, a change in ow area causes a change in ve-
locity. The purpose
3i 3LP Pressure Distribution in a Two-Dimensional Channel
Objective: According to the Bernoulli equation, a change in velocity can cause a change
in pressure. Also, for an incompressible flow, a change in flow area causes a change in ve-
locity. The purpo
is; 2:3- Waist aws in a piss is that its vsiess
iiipiss 31132535 2? s. As; i - i it has: is m 3 2:35; This?
is. 3" w :ififii m? 3 cfw_3f33i fiis cfw_Jasmine figs
asclszsfios wissn i - 3 3% 33M 26: 3
ii 553W; i ii i ;iii
if 3 $35 3%? 3 5? 33%? V 2-3325? fi