Estephany Monroy Jimenez
Eng 104L
March 6, 2013
Laboratory #7
Deflection of Wood Beams
Purpose:
beams.
In this experiment, the purpose is to investigate the deflection of wood
Procedure: First thing t
Estephany Monroy Jimenez
Eng 104L
2/13/13
Laboratory #5
Simply Supported Wide Flange Beam
Purpose:
The purpose of this experiment is to determine the bending stress and shear stress
distributions in a
ENG 104: Mechanics of Materials
Spring 2017
Professor Miller
Due Wednesday May 17, 2017
Homework Assignment 5
1. A cast-iron machine part is acted
upon by the 3 kN-m couple shown.
Knowing that E = 165
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Diffusers
Diffusers are also commonly used to slow the
flow velocity and to raise static pressure
If we neglect losses, Bernoullis equation states
1
p 0 p V 2 constant
2
Flat-wall diffuser
From Flui
Venturi-Type Flow Meters
The volume flow rate is affected by the head losses
resulting from the restriction.
This is accounted for through a Reynolds number
dependent coefficient determined from exp
Reservoir Pipe Junction
We can solve this through iteration by
Guess hJ
Solve for V1, V2, and V3
Compute Q1, Q2, and Q3
If Q = Q1+Q2+Q3 is negative, then decrease hJ
22
ENG 104: Mechanics of Materials
Spring 2017
Professor Miller
Due Wednesday May 31, 2017
Homework Assignment 7
1. Knowing that beam AB is an S8 X 18.4
rolled shape and that w0 = 4 kips/ft, L = 9 ft.,
a
ENG 104: Mechanics of Materials
Spring 2017
Professor Miller
Due Wednesday May 24, 2017
Homework Assignment 6
1. Beam AB is made of three planks glued
together and is subjected, in its plane of
symmet
ENG 104: Mechanics of Materials
Spring 2017
Professor Miller
Due Wednesday April 26, 2017
Homework Assignment 3
1. The specimen shown has been cut from a
5-mm-thick sheet of vinyl (E = 3.10 GPa)
and i
HW Problem #1
The pin-jointed planar truss shown is subjected to a single downward force P.
All members have cross-sectional area A = 500 mmz.
The yield stress in tension is 450 MPa.
The yield stress
Beam and Londlng Elastic Curve Deflection Slope at End Equatlon of Elastic Cum
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y = - (x3 31.x!)
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Flow Meters
Flow meters work from the principal described by the
energy and Bernoullis equations
Pressure drop through a restriction
From Bernoullis equation:
Qideal A2V2 A2
2 p1 p 2
D2
where
4
D
Pipes in Parallel
The next type of pipe system we will consider is
when multiple pipes are in parallel
We will assume the pipes are the same size but in general
you do not have to assume this
From F
Pipes in Series
From continuity:
Q1 Q2 Q3 constant
or
V1 d12 V2 d 22 V3 d 32
Note: all Vs are
average velocity
From the extensive head-loss property, the head
loss through the system = sum of the he
Pipe or Duct Networks
Using these rules at each junction leads to a set
of algebraic relations that may be solved
simultaneously for the flow rates in each pipe and
the HGL or pressure at each juncti
Pipes in Series
If the flow rate is given, we can find ReDh and the
various friction factors, and then calculate the
total head loss
No iteration is necessary
If the head loss is given, then we nee
Reservoir Pipe Junction
Consider pipes feeding from multiple reservoirs
to a common junction
If we assume positive flow toward the junction,
we get from continuity
Q1 Q2 Q3 0
So one or two of
the fl