CHE 3013
Rate Operations I
Fall 2011
Homework 4
Due: Monday, September 19, 2011
1 Problems, 24 points total
(a) (9 points) What is the hexane flow rate delivered by P-304 in the system shown below
under the following conditions:
Pump suction
Hexane pressu
CHE 3013
Rate Operations I
Fall 2011
Homework 3
Due: Monday, September 12, 2008
4 Problems, 15 points total
1. (3 points) An aqueous waste is transferred in batches from a storage tank to a neutralization
basin by gravity flow as shown below. If the solen
5.
(3 points) (from W. L. McCabe, J. C. Smith, and P. Harriott, Unit Operations of Chemical
Engineering, 7th Edition, McGraw-Hill, 2005)
A continuous gravity decanter is used to separate chlorobenzene (s.g. = 1.109) from an aqueous wash
liquid (s.g = 1.02
Finite Difference Example: Array Formulas in Excel
The differential equation for one-dimensional, steady-state conduction with internal generation is
&
2T
q
+
=0
2
x
k
with boundary conditions
T = TS1 , x = 0
T = TS 2 , x = L
Using finite-difference appr
Friction Factor Correlations
There are several friction factorReynolds number correlations. The following expressions for
the Fanning friction factor by Churchill (1977) are applicable to both laminar and turbulent flow
regimes:
1
8 12
12
1
f F 2
A B
Friction Factors and Pressure Drop Calculations
Two friction factors are commonly used to calculate friction losses in conduits. For circular
ducts
Darcy, Moody, or Blasius (names are interchangeable)
fD =
D P
L V 2
2
Fanning
fF =
1 D P
4 L V 2
2
Darcy, M
NAME
CHE 2033- Introduction to Chemical Engineering
Exam II - Spring 2016
Instructions for Taking this Examination
1.
Do not open the exam until you are told to do so. When told to start, put your
name and Discussion Section # on each page in the spaces p
CHE 3013
Rate Operations I
Heat Transfer by Conduction
Fouriers Law
dT
dx
(2.1)
q
dT
= k
A
dx
(2.2)
q x = kA
or
q" =
x
where
q = rate of heat transfer, Btu/hr (W)
q = heat flux, Btu/hrft2 (W/m2)
A = cross-sectional area normal to direction of flow, ft2 (m
CHE 3013
Rate Operations I
Heat Transfer by Conduction
Fouriers Law
dT
dx
(2.1)
q
dT
= k
A
dx
(2.2)
q x = kA
or
q" =
x
where
q = rate of heat transfer, Btu/hr (W)
q = heat flux, Btu/hrft2 (W/m2)
A = cross-sectional area normal to direction of flow, ft2 (m
School of Chemical Engineering
Fall 2011
Grading Policy Homework Communication Quality
The Engineering Discourse
. . . a kind of identity kit that includes specific knowledge, costumes, and expectations on
how to act, talk, and write so as to [exhibit] a
3-K Constants for Loss Coefficients for Valves and Fittings
0.3
K f = K1 / N Re + K i (1+K d / Din. )
(L/D)eq
Fitting
Elbows - 90o Threaded, Standard
Threaded, Long Radius
Flanged, Welded, Bends
(r/D = 1)
(r/D = 1.5)
(r/D = 1)
(r/D = 2)
(r/D = 4)
(r/D = 6
ERRATA
FLUID MECHANICS for CHEMICAL ENGINEERS
Second Edition Second Printing
Ron Darby
Feb 22, 2009
Page
Line
Correction
13
DAB dimensions
73
122
140
168
179
210
Eqn (3-38)
2nd Eqn from top
Problem 46
Eqn (6-60)
4 from bottom
( L/D )eq values for
should b
From Incropera, et al., 6th Edition, p 455.
a
Correlations in this table pertain to isothermal surfaces.
The temperature listed under Conditions is the temperature at which properties should be evaluated.
For tube banks and packed beds, properties are eva
Name
CHE 3013
Rate Operations I
September 29, 2011
Exam 1
100 points
Print your name at the top of each page!
Open Book - Open Notes
2 hours
Check to be sure that you have all 8 pages!
All work must be shown to receive full credit!
Be sure to document you
GPSA Engineering Data Book, 11th Edition, Gas Processors Suppliers Association, Tulsa, Oklahoma.
FIG. 9-25
Characteristics of Tubing
B.W.G.
Gauge
Thickness
Inches
Internal
Area
Sq. Inch
Sq Ft
External
Surface
Per Foot
Length
Sq Ft
Internal
Surface
Per Foo
CHE 3013
Rate Operations I
Design of Hydraulic Systems
(General guidelines, there are exceptions!)
Guiding Principles
1.
2.
3.
4.
Steady-state flow achieved when:
(Driving Force)available = (Driving Force)required
Single-phase flow is preferred.
There is
USEFUL EQUATIONS FOR HYDRAULIC ANALYSES
Pump Performance
sp.g .
fluid
where sp.g. is referenced to water = 62.37 lbm/ft3 @ 60 F
H2O, 60 F
m lb m hr
500 sp.g.
Flow, Q gpm
4.4 m hr
449 ft 3 s
3
Head ft
2.31P psi
sp.g .
P psi
Head ft sp.g.
2.31
Hy
NAME
CHE 2033- Introduction to Chemical Engineering
Exam III - Spring 2016
Instructions for Taking this Examination
1.
Do not open the exam until you are told to do so. When told to start, put your
name and Discussion Section # on each page in the spaces
EXAM I
Feb 12, 2016
NAME
Introduction to Chemical Engineering- CHE 2033
EXAM 1 -Spring 2016
Instructions for Taking this Examination
1.
2.
3.
4.
5.
Do not open the exam until you are told to do so. When told to start, put your
name and discussion section
CHE 3013 Fall 13
Smay
1 of 1
Lecture 6
Transportation and Metering of Fluids 1
Assigned Reading
Chapter 8, pp 430-459 of Munson, et al.
Assignments
None
Handouts (on D2L unless stated otherwise)
Piping Systems.pdf
ProQuip Piping Specification.pdf
Characte
One-Dimensional Heat Conduction with Internal Generation
Finite-Difference Solution
(User entries in blue cells)
T = Ts1, x = 0
2T q
+ =0
x 2 k
L, m
q, W/m3
k, W/m K
T = Ts2,
Ts1, C
Ts2, C
0.050
1.50E+06
75.0
n+1
x, m
x =L
50
30
qx 2
TS1
k
qx 2
cn =
,
ChemE Car Competition
Fall 2011/Spring 2012
Introduction: The OSU ChemE Car project is a multi-semester project that involves sophomore
and junior chemical engineering students. The American Institute of Chemical Engineers
(AIChE) hosts a national competi
CHE 3013
Chem-E-Car Assignment #2 (15 points)
Due: Friday, October 21, 2011
The purpose of this assignment is to identify the chemical reactions you will use to power or
control your vehicle and to identify potential safety hazards associated with the rea
Pump Drivers
Most common Electric Motor
Standard electric motor sizes (BHP)
0.5, 0.75, 1, 1.5, 2, 3, 5, 7.5
10, 15, 20, 25, 30, 40, 50, 60, 75
100, 125, 150, 200, 250, 300, 350
400, 450, 500, 600, 700, 800, 900
1,000, 1,250.
Motor size must be matched to