Homework for Participation Credit
assigned on November 12th 2009
due on November 19th, 2009 in class
EME 107B, Experimental Methods B
Fall 2009
SOLUTION
This problem must be done before hand. You will be asked to turn in your answer on paper upon being
ca
Old Participation Credit (from Fall 2015)
Fourier series of a triangular wave
Time domain:
Fourier series:
TO DO
Draw the amplitude spectrum and the power spectrum of this function so
that the DC component and the first 4 harmonics are included. Point out
Participation problem
Consider the following cantilevered beam
subjected to force F at a distance l from
where the strain gauge is mounted.
1
Participation problem
We know the strain caused by a load of 1 Kg on our beam is
(on the location where the strai
Lab 4: Strain and Load Sensing
Due Friday 02/24/2017
EME 108
Introduction
The purpose of this lab was to measure the strain on a steel cantilever beam at different
loads. The strain was measured by recording the voltage difference between the sensing node
Lab 6: Beam Vibration and Accelerometers
Due Friday 03/17/2017
EME 108
Introduction
The purpose of this lab was to perform basic modal analysis using a steel cantilever and
an accelerometer placed in several locations to understand the measurement of vibr
Lab 1: Exercises On The Hardware And Software Tools Used In The Labs
Due Friday 01/27/2017
Introduction
The purpose of the first lab was to re-introduce previous lab techniques and equipment
previously learned in ENG 100 as well learning how to operate ne
Lab 5: Acoustics and Microphones
Due Friday 03/10/2017
EME 108
Introduction
The lab focused on identifying resonance frequencies and their mode shapes for open and
closed tubed boundary conditions. In order to identify the resonance of an open and closed
Lab 3: Thermistor Calibration
Due Friday 02/10/2017
EME 108
Introduction
The purpose of the lab was to become familiar with the thermistors and to be able to use
the Beta parameter equation and Steinhart-Hart model. Also, static calibrations will be perfo
Lab 2: Operational Amplifiers
Due Friday 02/03/2017
EME 108
Introduction
The purpose of this experiment is to construct a circuit using an inverting, summing, and
integrating op-amp that would operate as a first-order system. The summing and inverting
op-
EME 108 WINTER 2017 PARTICIPATION PROBLEM
For each statement, indicate if it is correct or wrong. Correct the wrong statements.
A) A wave is an oscillation that transports mass and energy through space.
B) The wavelength is measured as the distance betwee
ECH 1, Spring 2017
The Design
of Coffee
Instructors:
William Ristenpart
& Tonya Kuhl
Order from Amazon currently only $21.00
"The Design of Coffee: An Engineering Approach,"
by Ristenpart & Kuhl (ISBN 1537305573)
https:/ucdavis.amazon.com/Design-CoffeeEng
ECH 1, Winter 2017, Lecture 3, April 17, 2017
Todays themes: Process flow diagrams, mass balances,
and tasting!
Todays Outline
The process flow diagram for making coffee
Introduction to mass balances (how much coffee will we get?)
More details on tasti
ECH 1, Spring Quarter 2017
The Design of Coffee
GE Credit: Science and Engineering; Visual Literacy and Scientific Literacy (3 units)
Instructors
Prof. William Ristenpart & Prof. Tonya Kuhl
[email protected], [email protected]
Schedule
Lecture: Mo
ECH 1, Spring 2017
The Design
of Coffee
Instructors: William
Ristenpart & Tonya Kuhl
Order from Amazon currently only $21.00
"The Design of Coffee: An Engineering Approach,"
by Ristenpart & Kuhl (ISBN 1537305573)
https:/ucdavis.amazon.com/Design-CoffeeEng
Introduction to the hardware and software tools used in the
labs
1. MYDAQ: it is a data acquisition device from NI (National Instruments), specifically designed for
students. USB powered, can be plugged is directly in your computer.
It comes with a softwa
University of California Davis
EME 108 SPRING QUARTER 2017
LAB1: EXERCISES ON THE HARDWARE AND SOFTWARE TOOLS
USED IN THE LABS
The purpose of this lab is to familiarize all the basic hardware and software tools used
throughout the rest of the quarter. Go
University of California Davis
EME 108 SPRING QUARTER 2017
LAB 2: THERMISTOR CALIBRATION
Learning Objectives
Equipment and Software
1. Understand how to perform a static
1. NI ELVISmx MyDAQ
calibration
2. LABVIEW
2. Become familiar with temperature
3. The
University of California Davis
EME 108
GENERAL MEMO REPORT GUIDELINES
In general, a good memo report is often about two pages long (three at most), has a clear,
well defined structure and is not just a report of the experiments but tries to interpret and
EME108 Winter Quarter 2017
University of California, Davis
The Memo Report
Lab reports for EME 108 will be prepared in collaboration with a lab partner (or partners). The starting
assumption is that the work is carefully formatted and organized, and is fr
Lab Notebooks
Each Student must have a bound Lab book with consecutively numbered pages (you can number the page by
hand, if you wish). The lab book should have the following divisions:
-Table of Contents (reserve several blank pages for this)
Note: Your
EME 108 SPRING 2017
MEASUREMENT SYSTEMS
Instructor:
Lectures:
Laboratory:
Professor Michael Hill, 2014 Bainer Hall, [email protected]
M/W/F, 9:00 - 9:50 AM, Wellman 216
One session each week, held in 1071 Bainer Hall
Office Hour:
W 10:00 -11:00 AM and by
4/7/2017
EME108_Spr17_Lab1_Intro_Rubric.xlsx
EME108 Lab
Students:
Spring Q 2017
UC Davis College of Engineering
TA's: Alex, Ali, Christian, Jordan
Instructor: Mike Hill
Lab 1: Hardware & Software Tools
Lab Scoresheet
Content: Quality of Technical Work
Mat
ECI 114
Winter 2017
University of California, Davis
Department of Civil and Environmental Engineering
Homework Assignment 6 (46 points)
Due in class Tuesday, March 7, 2017
Show all work and explain your answers; no credit will be given for solutions only
(i) By lattice vibration (The faster moving molecules or atoms in the hottest part of a
body transfer heat by impacts some of their energy to adjacent molecules).
(ii) By transport of free electrons (Free electrons provide an energy flux in the direction
L
kA
tt
RRRA
A
B
B
C
C
th A th B th C
1 4 1 4
.(15.28)
If the composite wall consists of n slabs/layers, then
Q=
[t t( )]
L
kA
n
n
11
1
.(15.29)
Fig. 15.5. Series and parallel one-dimensional heat transfer through a composite wall and electrical ana
conductivity k or a low value of heat capacity .c. A low value of heat capacity means
the less amount of heat entering the element would be absorbed and used to raise its
temperature and more would be available for onward transmission. Metals and gases
h
.(15.5)
By comparing eqns. (15.4) and (15.5), we find that I is analogus to, Q, dV is analogous to dt
and R is analogous to the quantity
dx
kA
. The quantity dx
kA
is called thermal conduction resistance
(Rth)cond. i.e.,
(Rth)cond. =
dx
kA
The reciproca
selection of the insulation of a plane wall.
Thermal resistance (conduction) of the wall, (Rth)cond. =
L
kA
.(i)
Weight of the wall, W = A L .(ii)
Eliminating L from (i) and (ii), we get
W = A.(Rth)cond. kA = ( .k)A2.(Rth)cond. .(15.26)
The eqn. (15.26) s
0 05
50 0 01
.
.
= 0.1
The equivalent thermal resistance for the parallel
thermal resistances RthB and RthC is given by :
1111
089
1
(Rth )eq. Rth B Rth C . 0.176
= 6.805
(Rth)eq. =
1
6.805
= 0.147
Now, the total thermal resistance is given by
(Rth)total