Homework #4- Due Thursday, October 7 Chapter 3Thermochemistry of Fuels Problem 3.2 3.3 3.10 (a)-(c) And, problem: #3. Ethanol is supplied to small SI engine at 3 g/s. The fuel is combusted with 100% excess air. Calculate the mass flow rate of air to the e
HOMEWORK #6 5.11 and 5.13 Helpful hints: use Cutoff ratio = 2.18Note that State 4 is at low temperatures (not on Fig 4-5), use isentropic relationships w/ constant avg. specific heats to find T4, P4 using gamma=1.3. To find u4, must use Fig 4-10 with Temp
Problem 3.2 3.3 3.10 (a)-(c) And, problem: #3. Ethanol is supplied to small SI engine at 3 g/s. The fuel is combusted with 100% excess air. Calculate the mass flow rate of air to the engine.
_ _ Problem 3.2 Calculate DRY exhaust gas composition of b
ICE 476/676 – CHAPTERS 9 & 10 Exam
December 2, 2010
No Notes, Calculators or Books Allowed. Neatness Counts!
(7pts) Combustion in an SI engine can be divided into three distinct phases: 1) Ignition and flame
development, 2) flame propagation,
Sarah November23,2010 ME476Broch
1.HowfasterandslowerburningcyclesaffectoperationinanSIengine Variationsinanenginecausefasterorslowerburningcycleswithaffectengine operation. In an SI engine spark timing is relative to TDC, this affects the pressure
H W 7 D U E NOV 2nd P roblems Chapter 4, Exhaust Gas Concentrations 4.8use Eqs 4.64 and 4.65 4.9For pa r t A, to calculate the combustion inefficiency, compare the actual heat released t o the lower heating value. Calculate the heat released as we did in
Homework #3 Due Thursday, September 23 #1: Show that for an Otto Cycle, T3/T2 = T4/T 1; and that for a Diesel cycle T3 /T2?= T4/T1 Textbook Problems #2- 5.5 #3- 5.7 #4- 5.10 Note, for the supercharged engine, use isentropic equations for the blowdown proc
Homework #3Due Thursday, September 23 #1: Show that for an Otto Cycle, T3/T2= T4/T1; and that for a Diesel cycle T3/T2= T4/T1 Textbook Problems NOTE: Use gamma = 1.3, Cv= 946 J/kg*K and Cp= 1233 J/kg*K #2- 5.5 #3- 5.7 #4- 5.10 Note, for the supercharged e
Homework #1Due Thur. Sept 3. Solutions Read: Chapter 1 Problems: 1.1 Describe the major functions of the following: Pistonseals the cylinder and transmits the gas pressure force to the connecting rod by reciprocating movement; its movement also brings in
Experiment to [Collect and] Analyze Emissions Data from Real Driving Conditions October 28, 2010 Objective: The purpose of this experiment is to illustrate the production of emissions during the combustion process. We will analyze data previously collecte