Steady State Heat Conduction
Nehal I. Abu-Lail
Topics to be covered
Conduction through single wall and multilayer
walls.
Conduction with temperature dependence
Conduction through single hollow cyli
Exam 1 solution
ChE 310
Nehal I. Abu-Lail
Problem 1: Dimensions and units
A seed crystal of diameter D (mm) is placed in a solution of dissolved salt and new crystals are
observed to nucleate (form) a
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ChE/BE 310 Quiz #2
A mixture containing 45% benzene (B) and 55% toluene (T) by
mass is fed to a distillation column. The materials fed gets
separated from the column into two streams: an
Transport Phenomena (ChE 310)
Nehal I. Abu-Lail
Homework # 2 Solution
Problem 1: Manometers
A fluid of unknown density is used in two manometers-one sealed-end, the other across an
orifice in a water
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Solution ChE/BE 310 Quiz #4
Thursday, September 14th 2017
Water constant and is flowing in a pipe with radius R due to a constant positive pressure
gradient, K=dp/dz, in the z-direction.
Transport Phenomena (ChE 310/BE 310)
Nehal I. Abu-Lail
Homework #3
This HW is due Th. 9/28/17 at 9:10 a.m. and 12:00 p.m. for sections 1 and 2, respectively.
Problem 1: Laminar flow in a square duct
A
Transport Phenomena ChE/BE 310
Nehal I. Abu-Lail
Recitation # 2 solution
Sep. 20th 2017 Wed. 6-8 p.m. Wegner G50
Problem 1: Average Velocity for Mass Balance in Flow down a Vertical Plate
For a layer
Recitation # 1 solution
September 1st 2015
Problem # 1: Temperature profile with heat generation (ODEs)
A solid cylinder in which heat generation is occurring uniformly as
q (W / m 3 )
is insulated on
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Transport Phenomena (ChE 310)
Nehal I. Abu-Lail
Homework # 3
This HW is due Mon. 10/12/15 at 12:10 p.m. for the MWF class and on Tuesday 10/13/15 at
9:10 a.m. for the TT class
Problem 1: Flow between
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Special forms of the differential equations of mass transfer
Transport Phenomena ChE 310
Nehal Abu-Lail
1. Continuity equation
N A cD AB x A x A ( N A N B )
2. General mass balance used to obtain conc
ChE 332, Laminar & Turbulent Flow Individual Group Homework due Friday, Feb. 5, 2016, 9:10a (Sec. 1) or 11:10a (Sec. 2)
1. Pressure drop vs. flow rate data are given below. Pipe length over which pres
Unsteady State Heat Conduction
in Various Geometries
Nehal I. Abu-Lail
Introduction
Previously, internal resistance (Ri) of a solid with
high conductivity was ignored and as such
temperature was unif
1
Chapter 7
Principles of Unsteady State
and Convective Mass Transfer
Nehal I. Abu-Lail
Introduction
2
In previous chapter, we dealt with mass transfer systems at
steady-state (no change of concentrat
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ChE/BE 310 Quiz #4
Thursday, September 14th 2017
Water with constant and is falling as a film in the y-direction on a wall that is too long (L) and
too wide (W). The thickness of the flui
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ChE/BE 310 Quiz #2
A hollow fiber membrane separator can separate proteins with molecular weights
(MW) less than 100 KDa from other proteins in a mixture (A KDa is a standard term
used by
Transport Phenomena (ChE 310/BE 310)
Nehal I. Abu-Lail
Solution of Homework # 1-Prerequisite materials
Problem 1: Deliberately Induced Hypothermia by Extracorporeal Blood Cooling (8 points)
In an open
Transport Phenomena (ChE 310)
Nehal I. Abu-Lail
Recitation# 3
9-28-2016
Problem 1: Flow between two-parallel horizontal plates with the bottom plate moving
Two horizontal plates with infinite length a
First ChE 310 exam solution
Nehal I. Abu-Lail
Problem 1: One compartment model of the fluid of a patient undergoing dialysis (8 point)
The pool of fluid in the body of a patient undergoing dialysis ca
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ChE 310 Quiz #2 solution
Thursday, September 1st 2016
Three different liquids are used in the manometer shown to the side.
a. Derive an expression for P1-P2 in terms of A, B, C, h1 and h2
Transport Phenomena (ChE 310)
Nehal I. Abu-Lail
Recitation # 2 Solution
Problem 1: Manometers
A fluid of unknown density is used in two manometers-one sealed-end, the other across an
orifice in a wate
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ChE 310 Quiz #3-Fulmer
Thursday, September 15th 2016
A Newtonian fluid with constant and is flowing between two parallel, horizontal plates located
at y=h. The flow is driven by a constan
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ChE 310 Quiz #3-ETRL
Thursday, September 15th 2016
A Newtonian fluid with constant and is flowing between two coaxial cylinders due to a constant
positive pressure gradient, K, in the z-d
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ChE 310 Quiz #1
Thursday, August 25th 2016
1) When a black body is heated to a temperature (T, K), photons
are emitted from the surface which have a definite distribution of
energies. Pla
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ChE 310 Quiz #2
Thursday, September 1st 2016
Manometers
A fluid of unknown density is used in two manometers-one sealed-end, the other across an
orifice in a water pipeline. The readings
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ChE/BE 310 Quiz #1
To estimate the diffusivity (D) of a biological molecule, the speed
(vd) that a given mass of the molecule (mp) is capable of moving a
distance () at a constant tempera
Recitation 1 solution
ChE/BE 310
Nehal I. Abu-Lail
Problem 1: Dimensions and units
A seed crystal of diameter D (mm) is placed in a solution of dissolved salt and new crystals are
observed to nucleate
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ChE/BE 310 Quiz #1
In heat transfer, Grashof number (NGr) is a dimensionless number
that is used to describe natural convection in various geometries.
We will use NGr later in the semeste
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ChE/BE 310 Quiz #3
Three different liquids are used in the manometer shown to the side.
a. Derive an expression for P1-P2 in terms of A, B, C, h1 and h2?
b. Suppose fluid A is methanol (A
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ChE/BE 310 Quiz #3
Three different liquids are used in the manometer shown to
the side.
a. Derive an expression for P1-P2 in terms of 1, 2, f, d1,
d2 and h?
b. Suppose fluid 1 is methanol