[DERECHO EMPRESARIAL]
FUNCION
ES DEL
Art. 1.-El Ecuador es un Estado constitucional de derechos y justicia, social, democrtico,
soberano, independiente, unitario, intercultural, plurinacional y laico. Se organiza en
forma de repblica y se gobierna de mane
CBE 30355 Transport Phenomena I
Final Exam
December 17, 2007
Closed Books and Notes
Problem 1. (20 points) Parallel-Plate Flow: A controlled stress rheometer is depicted below. It
works by imposing some specified torque to the upper plate, and then measur
CBE 30355 Transport Phenomena I
Final Exam
December 12, 2006
Closed Books and Notes
Problem 1. (20 points) Thermal boundary layers. Consider the system depicted below.
The fluid velocity is just unidirectional simple shear flow in the x-direction. The flu
CHEG 355 Transport Phenomena I
Final Exam
December 12, 2005
Closed Books and Notes
Problem 1. (30 points) Scaling analysis of boundary layer flows. An important problem
in mass transfer is the rate of diffusion of a solute from a planar surface in the pre
CHEG 355 Transport Phenomena I
Final Exam
December 18, 2003
Closed Books and Notes
Second problem counts double!
Problem 1. (20 points) You are to design a siphon which will be used to drain a tank, as
depicted below. We want to figure out what diameter p
CHEG 355 Transport Phenomena I
Final Exam
December 18, 2002
Closed Books and Notes
Problem 1). (20 points) Plane Poiseuille Flow: A problem which is currently being
investigated in bioengineering laboratories is the phenomenon of cell adhesion to
surfaces
CHEG 355 Transport Phenomena I
Final Exam
December 15, 2001
Closed Books and Notes
Problem 1). (20 points) Beginning with the statement that mass is a conserved quantity,
derive the continuity equation for a time dependent, compressible flow.
n
u
D
D
Prob
CBE 30355
TRANSPORT PHENOMENA I
TTh 11:00
Second Hour Exam
Closed Books and Notes
Problem 1). (20 points) Lubrication: A hinged plate of extension W into the paper and
of length L as depicted below is being squeezed shut with some force F/W. We wish to
de
CBE 30355
TRANSPORT PHENOMENA I
TTh 11:00
Second Hour Exam
Closed Books and Notes
Problem 1). (20 points ) Unidirectional Flows: Last week Lucas, Samantha, and Caroline
demonstrated the Archimedes Screw, an ancient pumping technique. In this problem we
ex
CBE 30355
TRANSPORT PHENOMENA I
TTh 11:00
Second Hour Exam
Closed Books and Notes
Problem 1). (45 points) Scaling/Unidirectional Flow: In this problem we are examining
the drainage of a tube of radius R and length L initially filled with a fluid of densit
CBE 30355
TRANSPORT PHENOMENA I
TTh 11:00
Second Hour Exam
Closed Books and Notes
Problem 1). (30 points) Scaling/Lubrication Theory: Consider a disk of radius R located
a distance H above a plane as depicted below. Fluid of viscosity is pumped into the
c
CHEG 355
TRANSPORT PHENOMENA I
TTh 10:35
Second Hour Exam
Closed Books and Notes
Problem 1). (30 points) High Reynolds Number Flows: For homework you analyzed
the problem of a fluid flowing down an incline, such as depicted below, for low Re. In
this prob
CHEG 355
TRANSPORT PHENOMENA I
TTh 11:00
Second Hour Exam
Closed Books and Notes
Problem 1). (20 points) Lubrication Theory: In class we demonstrated the detachment
of a disk from a plane. In this problem we solve the corresponding 2-D problem of the
deta
CHEG 355 Transport Phenomena I
Second Hour Exam
November 20, 2001
Closed Books and Notes
Problem 1). (20 points) Water from a pressurized tank passes through a hose and out a
nozzle as is depicted below.
a. If we assume that the flow is inviscid and irrot
CBE 30355 TRANSPORT PHENOMENA I
First Hour Exam
10/2/12
This test is closed books and closed notes
Problem 1. (10 pts) In this problem we design a hydrometer, a simple device for
measuring the density of a liquid, usually used in determining the salt conc
CHEG 355 TRANSPORT PHENOMENA I
First Hour Exam
10/6/09
This test is closed books and closed notes
Problem 1). (20 points) Plane Poiseuille Flow: A problem which is currently being
investigated in bioengineering laboratories is the phenomenon of cell adhes
CBE 30355 TRANSPORT PHENOMENA I
First Hour Exam
10/2/07
This test is closed books and closed notes
Problem 1. (15 pts) A mass M is sitting on a plate as depicted below, balanced on a
vertical jet of water. If the volumetric flow rate of the jet is Q and t
CBE 30355 TRANSPORT PHENOMENA I
First Hour Exam
10/3/06
This test is closed books and closed notes
Problem 1). (20 pts) In Senior Laboratory one of the experiments used to be
measuring the drag on a cylinder at high Re. One of the techniques used is calle
CHEG 355 TRANSPORT PHENOMENA I
First Hour Exam
10/14/03
This test is closed books and closed notes
Problem 1. (20 pts) A mass M is sitting on a plate as depicted below, balanced on a
vertical jet of water. If the volumetric flow rate of the water jet is Q
CHEG 355 TRANSPORT PHENOMENA I
First Hour Exam
10/8/02
This test is closed books and closed notes
Problem 1. (20 pts) Consider the flow system depicted below. This type of flow is
called lid-driven cavity flow, in which the upper plate drives a shear flow
CHEG 355 TRANSPORT PHENOMENA I
First Hour Exam
10/9/01
This test is closed books and closed notes
Problem 1. (20 pts) Consider the stratified fluid depicted below which is being sheared
between two infinite parallel plates. If the upper plate is constrain
ChEg 356
Spring 2005 Test #1
2/17/05
1. Steady state heat conduction in a slab with heat generation. (40 points)
Consider a slab that has a thickness B in the x direction. The y and z directions are
infinite and completely uniform. There is a heat generat
CHEG 544 Transport Phenomena I
First Hour Exam
Closed Books and Notes
1). (10 points) Using simple arguments based on the linearity of the creeping flow
equations, prove that the drag on a cube under creeping flow conditions is the same
regardless of its