Solutions
CBE 320
Transport Phenomena
September 19, 2011
Problem Session III
Part B: Shell Momentum Balances
1. Work problem 2A.2 in BSL.
2. Work problem 2B.6 in BSL.
3. Work problem 2B.10 in BSL.
4. Simple shear ow between parallel plates
An incompressib

SECTION:
CBE 320 Transport Phenomena
NAME:
October 30 & 31, 2006 Exam II
Part A: Short Answer
1. (5 pts.) A Newtonian fluid ( = 800 kg/m3 ) flows through a horizontal, 1 cm diameter circular pipe that is 1 m long. The pressure drop across this pipe is 2 1

SECTION:
NAME:
CBE 320
Transport Phenomena
December 6, 2010
Exam III
Part A: Short Answer
1. (5 pts.) What are the dimensions of the following quantities?
a. q
b. h
c. k
d. Gr
e.
2. (5 pts.) Calculate the Prandtl number Pr = Cp /k for a uid with Cp = 0.8

SECTION:
CBE 320 Transport Phenomena
NAME:
December 19, 2006 Final Exam
Part A: Short Answer
1. (5 pts.) What are the SI units of the following quantitities? a. nA
b. cA
c. jA
d. q
e.
2. (5 pts.) Express each of the following dimensionless groups as a ra

SECTION:
NAME:
CBE 320
Transport Phenomena
February 17, 2012
Exam I
Part A: Short Answer
1. (5 pts.) What are the dimensions of the following variables?
a.
b. yx
c.
d. Q
e. vr v
2. (5 pts.) Fluid ows radially out of a porous sphere (radius R). Assuming

CBE 320
Transport Phenomena
October 10, 2016
Problem Session VI
Part B: Turbulent flow and friction factors
1. Work problem 4B.1(a) in BSLK.
2. Work problem 6A.1 in BSLK.
3. Work problem 6A.3 in BSLK.
4. Work problem 6A.4 in BSLK.
5. Work problem 6B.3 in

CBE 320
Transport Phenomena
October 31, 2016
Problem Session IX
Part B: Shell Balances for Nonisothermal Systems
1. Fiber Optic CablesVariable Se
Light traveling through fiber optic wires generates thermal energy via the dissipative processes in
atomic po

CBE 320
Transport Phenomena
December 12, 2016
Problem Session XV
Part A: Shell Mass Balances & EOCs
1. Work problem 18B.13 in BSLK.
2. Work problem 19B.2 in BSLK.
1

CBE 320
Transport Phenomena
October 17, 2016
Problem Session VII
Part B: Macroscopic Balances for Isothermal Systems
1. Work problem 7A.5 in BSLK.
2. Work problem 7A.6 in BSLK.
3. Work problem 7B.10 in BSLK.
4. Work problem 7B.11 in BSLK.
5. Siphoning liq

CBE 320
Transport Phenomena
November 21, 2016
Problem Session XII
Part B: Macroscopic Balances for Nonisothermal Systems
1. Cooling of a Tank
A mass of an incompressible liquid, mtot , initially at temperature T0 , is contained in a sealed,
rigid tank. Th

CBE 320
Transport Phenomena
October 10, 2016
Problem Session VI
Part A: Equations of Change for Isothermal Systems
1. Work problem 3B.9 in BSLK.
2. Work problem 3B.11, parts (a)(d), in BSLK.
1

CBE 320
Transport Phenomena
October 31, 2016
Problem Session IX
Part A: Shell Balances for Nonisothermal Systems
1. Work problem 10A.1 in BSLK.
2. Work problem 10B.5 in BSLK.
1

CBE 320
Transport Phenomena
November 7, 2016
Problem Session X
Part B: Equations of Change for Nonisothermal Systems
1. Work problem 10B.9 in BSLK.
2. Work problem 11A.1 in BSLK.
3. Work problem 11B.4 in BSLK. One can assume that T = T () only.
4. Work pr

CBE 320
Transport Phenomena
December 5, 2016
Problem Session XIV
Part B: Shell Mass Balances
1. Work problem 18B.2 in BSLK.
2. Work problem 18B.4 in BSLK.
3. Work problem 18B.7 in BSLK.
4. Work problem 18B.8 in BSLK.
5. Work problem 18B.10 in BSLK.
1

CBE 320
Transport Phenomena
November 14, 2016
Problem Session XI
Part B: Interphase Energy Transport
1. Work problem 14A.1 in BSLK.
2. Work problem 14A.2 in BSLK.
3. Work problem 14A.6 in BSLK.
4. Work problem 14A.8 in BSLK.
5. Work problem 14B.5 in BSLK.

CBE 320
Transport Phenomena
September 12, 2016
Problem Session II
Part B: Viscosity and Shell Momentum Balances
1. Work problem 1A.3 in BSLK, using Eq. 1.6-14.
2. Given the following values for the viscosity of ethanol (1 atm),
T ( C)
25
50
estimate the v

CBE 320
Transport Phenomena
November 21, 2016
Problem Session XII
Part A: Macroscopic Balances for Nonisothermal Systems
1. Work problem 15A.1 in BSLK. Note that some of the equations in Example 15.4-1 need to be altered
for countercurrent flow.
2. Chilli

CBE 320
Transport Phenomena
November 14, 2016
Problem Session XI
Part A: Equations of Change for Nonisothermal Systems
1. Work problem 11B.10 in BSLK.
2. Solve the fin problem described in Section 10.5 using the equations of change derived in Chapter 11.

CBE 320
Transport Phenomena
October 24, 2016
Problem Session VIII
Part A: Macroscopic Balances for Isothermal Systems
1. Work problem 7B.9 in BSLK.
2. Power for a fireboat
A fire fighting boat must deliver a jet of water as high as 75 m. A pump draws wate

CBE 320
Transport Phenomena
October 17, 2016
Problem Session VII
Part A: Macroscopic Balances for Isothermal Systems
1. Calculate hv 2 i / hvi2 for the following two velocity profiles for flow in a circular tube:
a.
r
vz (r)
=1
vz,max
R
2
b.
v z (r)
r
= 1

CBE 320
Transport Phenomena
September 26, 2016
Problem Session IV
Part A: Shell Momentum Balances
1. Work problem 2A.4 in BSLK.
2. Work problem 2C.4, parts (a)(e), in BSLK.
1

CBE 320
Transport Phenomena
December 12, 2016
Problem Session XV
Part B: Equations of Change for Binary Mixtures
1. Work problem 19B.11 in BSLK.
2. Implantable pharmaceutical device.
Consider a slab of a dissolving solid of pure material A in a stagnant l

CBE 320
Transport Phenomena
October 3, 2016
Problem Session V
Part B: Equations of Change for Isothermal Systems
1. Work problem 3B.1 in BSLK.
2. Work problem 3B.3 in BSLK.
3. Work problem 3B.4 in BSLK.
4. Work problem 3B.16 (a) and (b) in BSLK.
5. Die co

CBE 320
Transport Phenomena
September 19, 2016
Problem Session III
Part B: Shell Momentum Balances
1. Work problem 2A.3 in BSLK.
2. Flow in a tube with wall slip
While the no-slip boundary condition is appropriate most of the time, sometimes it is not (e.

SECTION:
NAME:
CBE 320
Transport Phenomena
October 8, 2010
Exam I
Part A: Short Answer
1. (5 pts.) What are the dimensions of the following variables?
a.
b. yx
c. v
d. dvx /dy
e.
2. (5 pts.) A uid ows in the z direction through a tube with a noncircular

Solutions
CBE 320
Transport Phenomena
December 12, 2011
Problem Session XV
Part A: Equations of Change for Multicomponent Systems
1. Work problem 19B.4 in BSL.
1
1/2
djk
12/10/11
1
2/2

Solutions
CBE 320
Transport Phenomena
December 7, 2011
Problem Session XIV
Part B: Shell Mass Balances and Equations of Change
1. Work problem 18B.4 in BSL.
2. Work problem 18B.6 in BSL.
3. Work problem 18B.8 in BSL.
4. Work problem 18B.14 in BSL.
5. Work

Solutions
CBE 320
Transport Phenomena
November 28, 2011
Problem Session XIII
Part A: Macroscopic Balances for Nonisothermal Systems
1. Work problem 15B.8 in BSL. For part (b) show that T is the solution to the macroscopic balance at
steady state.
1
1
1/2

CBE 320
Transport Phenomena
October 3, 2016
Problem Session V
Part A: Equations of Change for Isothermal Systems
1. Using the shell balance method on a small volume element in cylindrical coordinates, derive the equation of continuity (differential mass b

CBE 320
Transport Phenomena
November 28, 2016
Problem Session XIII
Part A: Macroscopic Balances for Nonisothermal Systems
1. Work problem 15C.1(a)(c) in BSLK.
1