ME 4011 Fall 2013
Homework #6
Assigned: Th 10/31/2013
Due: Th 11/07/2013
1. A CI engine with a 125-mm bore, 100-mm stroke, a connecting rod length to
crank offset ratio, R, of 4, and a compression ratio of
ME 4011 Spring 2013
Homework #4 Due Friday 2/15/2013
1. A 6.2L V8 4-
stroke spark-
ignition engine has a redline engine speed of 6600 rpm.
The engine has a bore of 103 mm and a compression ratio of 11.5:1, w
ME 4011 Spring 2013
Homework #7 Due Friday 4/5/2013
1. A CI engine with a 125-mm bore, 100-mm stroke, a connecting rod length to
crank offset ratio, R, of 4, and a compression ratio of 16:1, operates at 2000 R
ME 4011 I. C. Engines Dr. Cunefare
PROBLEM SET 9
Corrected Solution to 3b
1. Air enters the intake manifold of a V12 engine with throttle-body injection, using methanol at
an equivalence ratio of 0.95. The air enters at a temperature of 50 C and 101 kPa.
ME 4011 Spring 2013
Homework #4 Due Friday 2/15/2013
1. A 6.2L V8 4-
stroke spark-
ignition engine has a redline engine speed of 6600 rpm.
The engine has a bore of 103 mm and a compression ratio of 11.5:1, wi
ME 4011 Fall 2013
Homework #4
Assigned: Th 10/03/2013
Due: Th 10/17/2013
1. Gasoline (approximated as C8H15, MW=111 kg/kmol) is burned in an engine
operating fuel rich. The exhaust products are measured using a
ME 4011 I. C. Engines Dr. Cunefare
PROBLEM SET 8
1. Consider a 4 stroke, SI engine operating with an equivalence ratio of 0.95 using a fuel
consisting of 85% gasoline (C8H15), 10% ethanol and 5% methanol by mass.
a. Determine the stoichiometric combustion
Georgia Tech
ME 4011 Exam #1
October 4, 2012
Name: _
A LIST OF PROPERTIES AND USEFUL EQUATIONS IS INCLUDED IN THE BACK OF THIS EXAM.
If your work and equation development are easy to follow, you will maximize the amount of partial
credit you receive on a
ME 4011 Spring 2013
Homework #2 Due Wednesday 1/23/2013
A note on significant digits: In general, your solutions should include the
appropriate number of significant digits, based on the given problem variables.
ME 4011 I. C. Engines Dr. Cunefare
HOMEWORK SET 4
With these problems, there can be several different but completely valid paths to the same
answer. Also, note that each sub-section may or may not be connected to previous sections
(though theyre generally
ME 4011 Spring 2013
Homework #2 Due Wednesday 1/23/2013
1. A four-
stroke I-
4 engine has a bore of 8.75 cm, a stroke of 9.2 cm, and a
compression ratio of 9.0:1. The engine produces 65 kW of brake power
AHQ INDUCTION l
R664“ 444% We bast‘c ope/ah'mg Prirzcl’rD/e
~oF any IC Maine is +0 bring Fwd? agr—
Combu5+ 4%:‘8 MiX‘h/{r‘c +2) rCICQSC +9}:
wet chemical energy, and com/emL 1%: energy
41) med/IanlCal w0wl<
FUEL 4— AIR (023—9 HIC7H RT a WORK
W F'KODUCJ
ME 4011 Fall 2013
Homework #1
Assigned: Th 08/29/2013
Due: Th 09/05/2013
Please give all answers in the requested units, indicated in brackets following each
question. Report non-integers to 3 significant fi
ME 4011 Fall 2013
Homework #2
Assigned: Th 09/05/2013
Due: Th 09/12/2013
1. A four-stroke I-4 engine has a bore of 8.75 cm, a stroke of 9.2 cm, and a
compression ratio of 9.0:1. The engine produces 65
ME 4011 Fall 2013
Homework #3
Assigned: Th 09/12/2013
Due: T 09/24/2013
1. A passenger car (the Aston Martin One-77) is equipped with a 7.312L V12
naturally-aspirated 4-stroke spark-ignition engine. The engine
ME 4011 Fall 2013
Homework #1
Assigned: Th 08/29/2013
Due: Th 09/05/2013
Please give all answers in the requested units, indicated in brackets following each
question. Report non-integers to 3 significant fi
ME 4011 Fall 2013
Homework #2
Assigned: Th 09/05/2013
Due: Th 09/12/2013
1. A four-stroke I-4 engine has a bore of 8.75 cm, a stroke of 9.2 cm, and a
compression ratio of 9.0:1. The engine produces 65
ME 4011 Fall 2013
Homework #4
Assigned: Th 10/03/2013
Due: Th 10/17/2013
1. Gasoline (approximated as C8H15, MW=111 kg/kmol) is burned in an engine
operating fuel rich. The exhaust products are measured using a
ME 4011 Fall 2013
Homework #5
Assigned: T 10/22/2013
Due: T 10/29/2013
1. A 5.7L Hemi SI engine has a 99.6-mm bore, a 90.9-mm stroke, a compression
ratio of 9.6:1, and a connecting rod length of 155.6 mm.
ME 4011 Fall 2013
Homework #5
Assigned: T 10/22/2013
Due: T 10/29/2013
1. A 5.7L Hemi SI engine has a 99.6-mm bore, a 90.9-mm stroke, a compression
ratio of 9.6:1, and a connecting rod length of 155.6 mm.
ME 4011 Spring 2013
Homework #6 Due Wednesday 3/27/2013
1. A large SI engine has a 24-cm bore, a 34-cm stroke, a compression ratio of 8.2:1,
and a connecting rod length of 74 cm. The engine is fueled with ga
ME 4011 Fall 2013
Homework #3
Assigned: Th 09/12/2013
Due: T 09/24/2013
1. A passenger car (the Aston Martin One-77) is equipped with a 7.312L V12
naturally-aspirated 4-stroke spark-ignition engine. The engine
ME 4011 Fall 2013
Homework #6
Assigned: Th 10/31/2013
Due: Th 11/07/2013
1. A CI engine with a 125-mm bore, 100-mm stroke, a connecting rod length to
crank offset ratio, R, of 4, and a compression ratio of
ME 4011 Spring 2016
Homework #1
Assigned: T 01/12/2016
Due: T 01/19/2016
Please give all answers in the requested units, indicated in brackets following each
question. Report non-integers to 3 significant figures unless all problem variables are
given to
ME 4011 Spring 2016
Homework #3
Assigned: T 01/26/2016
Due: Th 02/04/2016
1. A heavy-duty on-highway truck is equipped with a turbocharged 7.2 L I-6 4-stroke
diesel engine. The engine has a compression ratio of 16.0:1 and operates at
maximum brake torque
ME 4011 Spring 2016
Homework #2
Assigned: T 01/19/2016
Due: T 01/26/2016
1. In Europe, Ford offers several engine options for their Fiesta, three of which are
summarized below. Compare the mean piston speed and the BMEP of each engine at
its rated power c
ME 4011 Spring 2016
Homework #1
Assigned: T 01/12/2016
Due: T 01/19/2016
Please give all answers in the requested units, indicated in brackets following each
question. Report non-integers to 3 significant figures unless all problem variables are
given to
ME 4011 I. C. Engines Dr. Cunefare
HOMEWORK SET 4
1) Consider a 4 stroke, Otto cycle, V-12, supercharged SI engine. The bore x stroke is 13.716
cm x 15.24 cm. The compression ratio is 6 and it is operating at 3300 RPM. The engine is
burning gasoline at an
ME 4011 I. C. Engines Dr. Cunefare
HOMEWORK SET 6
You must show all of your work to receive credit. Expected units and number of significant
digits for the answer are indicated in [brackets].
1) Note: This problem has NOT been structured as have previous
Name
ME 4011 I. C. Engines
EXAM 1
A TABLE OF FUELS, PROPERTIES, AND USEFUL EQUATIONS, ARE ON THE LAST PAGE.
BOX OR CIRCLE YOUR ANSWERS!
SHOW YOUR WORK AND STATE ASSUMPTIONS AS NECESSARY.
RESULTS BY IMMACULATE INCEPTION RECEIVE ZERO CREDIT.
The required un
ME 4011 I. C. Engines Dr. Cunefare
PROBLEM SET 8
1. Consider a 4 stroke, SI engine operating with an equivalence ratio of 0.95 using a fuel
consisting of 90% gasoline (C8H15), 5% ethanol and 5% methanol by mass.
a. Determine the stoichiometric combustion