Fall 2006
Agricultural and Biosystems Engineering
Iowa State University
TSM 335
Tractor Power Topics
Required Text: Engine and Tractor Power, 3rd Edition, Carroll E. Goering
Supplemental References: Farm Power and Tractors,
5th Ed., Jones and Aldred
Tractors
and their Power Units, 4th Ed.,
Liljedahl, et al.
| Date | Topic | Reading | Laboratory Exercise (Homework) | |
| Aug | 21 | Introduction | No, Lab | |
| 23 | Internal Combustion Engines | (See Notes) | ||
| 25 | Work / Energy / Power | Chap 5 | ||
| Aug | 28 | Work / Energy / Power | Lab 1. Governed Engine Tests Lab1_TestData.xls | |
| 30 | Work / Energy / Power | |||
| 1 | Work / Energy / Power | Chap 2 | ||
| Sept | 4 | Labor Day | No Lab, Labor Day | |
| 6 | Engine Principles | |||
| 8 | Engine Principles | Chap 3 | ||
| Sept | 11 | Engine Components & Characteristics | Lab 2. Mechanical Efficiency Lab2_TestData.xls | |
| 13 | Engine Components & Characteristics | Chap 4 | (Homework 1, Power & Efficiency) Solutions | |
| 15 | Cooling Systems | Chap 11 | ||
| Sept | 18 | Air Cleaners / Turbocharging | Section 1. Engine Construction | |
| 20 | Exam 1 (Titlepage) | (Homework 2, Engines & Fuels) | ||
| 22 | Air Cleaners / Turbocharging | |||
| Sept | 25 | Fuels and Combustion | Chap 6 | Section 1. Engine Construction |
| 27 | Fuels and Combustion | |||
| 29 | Carburetors and Spark ignition | Chaps 8,9 | ||
| Oct | 2 | Carburetors and Spark ignition | No Lab | |
| 4 | Diesel Systems | Chap 10 | ||
| 6 | Diesel Systems | |||
| Oct | 9 | Diesel Systems | Lab 4.Injection Systems, Carburetor, Spark Ignition | |
| 11 | Diesel Systems | |||
| 13 | Lubricants | Chap 13 | ||
| Oct | 16 | Lubricants & Lubrication Systems | Lab 5. Mechanical Power Trains | |
| 18 | Exam 2 (Titlepage) | Homework 2, Engines & Fuels Solutions | ||
| 20 | Review | |||
| Oct | 23 | Mechanical Power Trains | Chap 15 | Lab 6.Hydromechanical Transmission Data.xls |
| 25 | Mechanical Power Trains (IVT/CVT) | |||
| 27 | Clutches/Differentials/Final Drives | |||
| Oct | 30 | Hydraulic Power Trains | Lab 8. Traction, Weight Transfer Lab8_Data.xls | |
| 1 | Hydraulic Power Trains | Chap 16 | ||
| 3 | Traction & Weight Transfer | |||
| Nov | 6 | Traction & Weight Transfer | Lab 9. Center Gravity, Stability | |
| 8 | Traction & Weight Transfer | |||
| 10 | Tractor Stability | (Homework 3, Power Trains) Solutions | ||
| Nov | 13 | Tractor Stability | Chap 14 | (Homework 4, Traction & Stability & Hydraulics) Solutions |
| 15 | Hydraulic Fundamentals | |||
| 17 | Hydraulic Pumps/Motors | |||
| Nov | 20-24 | THANKSGIVING | ||
| Nov | 27 | Hydraulic Motors/Cylinders | Lab 10. Hydraulic Control | |
| 29 | Basic Hydraulic Circuits | |||
| 1 | Exam 3 (Titlepage) | |||
| Dec | 4 | Basic Hydraulic Circuits | No Lab | |
| 6 | Electronics / Additional Topics | |||
| 8 | Additional Topics/Review | |||
| Dec | 11-15 | Finals |
LAB REPORTS & QUIZZES:
1.You will be required to turn in a lab report, engineering letter each set of labs as told by the instructor. Most reports will be due the week following the actual lab. Working in groups may help you understand the material and is acceptable. However, STUDENTS ARE REQUIRED TO HAND IN INDIVIDUAL LABS (unless instructed otherwise) IN THEIR OWN WORDS AND FIGURES. DO NOT HAND IN LAB REPORTS THAT ARE ESSENTIALLY ELECTRONIC DUPLICATES (or with cosmetic modifications) OF EACH OTHER THIS WILL BE HEAVILY PENALIZED.
2.The reports you will turn in will be formal reports (unless otherwise instructed). The reports must be well organized, neat and orderly. The reports, tables and figures should be computer generated. The original data sheets may be included in appendices without change.
3.Tabulated data: Record both observed and calculated results along with associated units. Manipulate the columns, spacing, etc. so it is easy to read and in an organized format.
4.Sample Calculations: Show one sample of each different calculation and or equation development. Make sure to show each step clearly (i.e. Show progression of units, include relations to theory, state reasons for manipulations. Do not just write down numbers and expect someone to understand what you did). If your units do not cancel to give the correct result you have probably done something wrong and should recalculate your data. This section will be a substantial portion of the value of the report since it shows you have a good understanding of the material and you know how the numbers from the spreadsheet were derived.
5. Lab material will be on the web a week before the lab. Everyone is expected to read the lab material before coming to class.
6.Reports are due one week from the date of assignment at the beginning of lab. Lab reports will be accepted late, but there will be a penalty of 5% per day for late labs (max penalty of 50%). No reports will be accepted after the reports are turned back. Reports will generally be worth 10 points.
Attendance/Makeups
Attendance to labs is required! Arrangements for missed labs must be made prior to the lab period.
Lab Regulations
1. In compliance with current law, SAFETY
GLASSES ARE REQUIRED AND MUST BE WORN at all times.
2. SMOKING
IS NOT PERMITTED in the laboratory area.
3. Wipe tools clean and return them to the tool
cabinet at close of each period. A complete set of tools will be available
at each work station therefore sharing of tools should not be necessary.
Calculation of Grades
Hour Exams (3 exams) |
45% |
| Lab Reports and Exercises | 30% |
| Final Exam | 25% |
Maximum Required Scores
| A | > 90% |
| B | 81-90% |
| C | 70-80% |