MEMS 1041 Measurements I - Homework #2
Due 2/15/17
Homework is due at the beginning of the class on the due date (i.e, within 10 min of the start of
class). You may always submit HW early directly to
Problem 5.69
Given:
Velocity components
Find:
Which flow fields are irrotational
[Difficulty: 2]
Solution:
For a 2D field, the irrotationality the test is
a)
u ( x y t)
Hence
b)
u ( x y t)
Hence
c)
u
Introduction/Analog and Digital Oscilloscopes
A measurement is made in order to quantify some parameter of interest.
Why?
1)
2)
3)
4)
5)
General Measurement System
Stage 1: Sensor-Transducer Stage
Sta
Measurement System Behavior (1st Order Systems)
Every measurement system or sensor responds differently depending on
what type of input signal is being measured. In this course, the dynamic
(i.e., non
Accelerometers
A typical accelerometer consists of a seismic mass separated from the
base by a piezoelectric material (in this case quartz), which is
approximated by a spring and a dashpot. The base i
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Problem 5.56
Given:
Find:
[Difficulty: 3]
Steady, two-dimensional velocity field represented above
(a) proof that streamlines are hyperbolas (xy = C)
(b) acceleration of a particle in this field
(c) a
MEMS 1052
Force Convection Exercises (External and Internal)
1. For laminar flow over a flat plate, the local heat transfer coefficient h, is known to vary as x'5, where x is the
distance from the lea
MEMS 1052
Homework Set #2
Review Problems
1. A 0.8-m high and 1.5-m wide glass window with a thickness of 8 mm and a thermal conductivity of k = 0.78 W/mC
experiences a 30 C. Determine the ste
MEMS 1052
Homework Set #1
1. The center region of the plate shown has fixed temperature of Thot. The temperatures of the plate edges are fixed at
Tcold. (a) Sketch the isother
Homework #5
MEMS 0031 - Electrical Circuits
Assigned February 9, 2017
Due February 15, 2017
Problem #1
Use MCA to solve for the currents i1 , i2 and i3 for the circuit shown in Fig. 1.
Figure 1: Sche
Homework #2
MEMS 0031 - Electrical Circuits
Assigned January 19, 2017
Due January 25, 2017
Problem #1
A current source with two resistors in series is shown in Fig.1 below. Suppose that is =2 [A], R1
Homework #1
MEMS 0031 - Electrical Circuits
Assigned January 10, 2017
Due January 18, 2017
Problem #1
The total charge entering a circuit element is expressed as q(t)=1(1-e-10t ) for when t 0. When t
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Homework #3
MEMS 0031 - Electrical Circuits
Assigned January 27, 2017
Due February 1, 2017
Problem #1
Use voltage division for series resistors to determine the voltages v1 through v4 for the circuit
3.143
A dune-d ligid cuntaimr is llad WM: 1.5 kgwater It 100 kPa, 559C, 1 kg uf
stainless stud and [1.5 kg anVC [pulyvmy] cthIid-EJbul It ZIP(3 and [1.1 kg nf
sitar-WEE, kaPa. Itisnnwlealunemlmmheattm
Due 4/12/17
MEMS 1041 Measurements I Homework #4
Homework is due at the beginning of the class on the due date (i.e, within 10 min of the start of
class). You may always submit HW early directly to th
Homework 7: Synthesis, Structure-Properties, and Processing of Polymers
Due Friday, April 7
1. (a) What is the role of an initiator in addition polymerization?
(b). If the degree of polymerization of
Study Guide for Exam 3: Processing of Polymers and Composites
Synthesis and Structure-Properties of Polymers
Definition of thermoplastic, thermoset, and elastomer.
Definition of monomer, repeat unit,
Homework 2: Metalworking (due on Friday, January 27)
1. (a) What is the effect of temperature on the work hardening dependence of flow stress for a
metal?
As temperature increases, the strength consta
Homework 3: Metalworking Processes (due Friday, February 3)
1. (a) Impression die forging is commonly considered to be capable of making 3D shapes. State
one major constraint for this method in terms
Homework 4: Metal Casting
1. (a) Sketch and label the relationship between volume of a pure metal casting and temperature
for the range from room temperature to the pouring temperature.
Thermal contra