CHE 3172: CHEMICAL ENGINEERING THERMODYNAMICS, FALL 2014
Instructor: Francisco R. Hung (frhung@lsu.edu), 214 ChE, (225) 5783546
Instructors office hours: Tuesdays and Wednesdays 1:002:30 pm; also by appointment. Please try
to stick to these office hours
ChE 3102: Heat and
Mass Transfer
Professor Christopher G Arges
Spring 2016
ChE 3102
1
About this course
Analysis of heat and mass transport occurring in chemical,
biological, and materials engineering
What is your perspective on heat and mass transfer? Pr
ChE 3102 Spring 2016 inclass pop quiz #3
Name:
Grader:
1.) Name the different types of convection in heat transfer (1 pt)
Free (or Natural) convection (0.5 pt)
Forced convection (0.5 pt) note: the student may specify here forced convection
in confined an
ChE 3102 Spring 2016 inclass pop quiz #5
Name:
Grader:
Fail to put your name and the graders name on the quiz will result in an automatic zero.
1.) Given: Consider steadystate reactiondiffusion of oxygen (species A) into a
circular sandwich cell. The t
ChE 3172
CHEMICAL ENGINEERING THERMODYNAMICS
Lecture 1
Course organization, ground rules
Introduction to Thermodynamics
Copyright 2014 F. R. Hung, LSU, ChE 3172. Permission is granted to use the material presented here for personal or your own instruction
Part 3: Mass Transport
ChE 3102
1
Topic #7  SteadyState Mass Transport
via Diffusion with Source Terms
Steadystate mass transfer via Diffusion with Source Terms
Conservation equation for mass transport in control volumes and
at interfaces
Total Molar a
Topic #5  Convective heat transport
Forced convection  Pectlet #
Confined and nonconfined geometries
Free convection
Challenges in solving the conservation equations exactly in convective
based transport problems
Making approximations to the conservat
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Topic #4
Heat transfer mechanisms
Thermal conductivity expressions for gases, liquids and
solids
Relationship between heat transfer coefficients & thermal
conductivity at solidfluid interfaces under convective flow
Readings
de Pablo & Schieber handout
BS
406 FORCEDCONVECTION HEAT AND MASS TRANSFER lN CONFINEIJ LAMINAR FLOWS
10.3 NUSSELT AND SHERWOOD NUMBERS 
BULK IEMPERATURE 0R CONCENTRATION
the interface and the bulk uid. When the uid region is indenitely large and has a
constant temperature or concent
ChE 3172
CHEMICAL ENGINEERING THERMODYNAMICS
Lecture 1
Course organization, ground rules
Introduction to Thermodynamics
Copyright 2014 F. R. Hung, LSU, ChE 3172. Permission is granted to use the material presented here for personal or your own instruction
Thermodynamics Eqn. Sheet
Chapter 1
Transfer: MASS ENERGY
Open
X
X
Closed

X
Isolated


Property
Adiabatic
Isothermal
Isobaric
Isochoric
v= V/n
!
!
= =
=
!
CHE 3172
Problem Assignment 2
09/17/14 (Due 09/24/14)
All homework policies as outlined in the course syllabus will be in effect starting from this
assignment (so please, take a careful look at the course syllabus again).
Clearly indicate the role of each
Engineering and Chemical Thermodynamics
Summary Test 1
09/14/2015
Chapter 1: Measured Thermodynamic Properties and Other Basic
Concepts:
1.1 Thermodynamics:
o Originally treated the conversion of heat of motion
o First developed in 19th century to increa
Shell balances derived
from conservation
equation at interfaces
ChE 3102
1
Heat conduction in an electrical wire
Side view
Copper wire
Given:
An electrical wire
r
z
Passing electric current uniformly along
the wire dissipates heat  caused by the
resistan
ChE 3102 Spring 2016 inclass pop quiz #4
Name:
Grader:
1.) Specify which symbols listed below are the following terms (1.5 pt) each
assignment worth 0.25 pt
Total molar flux (a)
Total mass flux (b)
Mass average velocity (c)
Molar average velocity (d)
Dif
Heat conduction in a cooling fin and the fin
approximation
Example 3.42 Deen and
section 10.7 BSL
Given:
Air
Ta =constant
Steadystate heat conduction from an extended surface
 in this case a rectangular fin  surrounded by a fluid
(e.g., air) fixed to
Part 2: Thermal
Transport
ChE 3102
1
Topic #3
Steadystate heat transfer with no convection  only conduction
Fouriers law of conductivity
Problems  heat conduction in a wire, heat transfer through multilayered walls, and in a fin
Fin approximation
Probl
ChE 3102 Spring 2016 Homework #2 steady state heat transfer
Due: Start of class (10:30 AM) on Thursday, February 4th.
Note: Homework is similar to exam problems except that they will take longer and
they are more difficult
Note: Please put your name and t
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CHE 3172
Problem Assignment #4
10/05/11 (Due 10/12/11)
Problem 1
Solve problem 2.30 of the textbook (Koretsky)
Problem 2
We want to use a geothermal supply
of hot water to operate a steam
turbine, as shown in the figure. The
highpressure water at 1.5 MPa
233.
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ea :4?“
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i :3; g‘s/gﬂfmﬁia Qithz
CHE 3172
Exam #2
10/15/08
You may use the textbook (Koretsky), Felder and Rousseau, your notes and homework, and a calculator
during the exam.
PROBLEM 1 (35 points)
A rigid tank of V = 2 m3 initially contains steam at P1 = 300
kPa and T1 = 250 C (at these
'/t=t
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l
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P r' s o D
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CHE 3172 Exam 2 10/26/1 1
You may use the textbook (Koretsky), Felder and Rousseau, your notes and homework, and a calculator
during the exam.
PROBLEM I (50 points)
A pressure cooker (see gure) consists of a sealed vessel that does not permit air or