EGGG167 Intro to Engineering
Weeks of September 11, 18 and 25
Ajay K. Prasad
228 Spencer Lab
Office Hours: MW 10 - 11 am
- To introduce Mechanical
Engineering to freshmen.
- To describe the subject areas
within Mechanical Engineering.
- To illustrate the diverse
career paths that ME’s can follow.
- To use a wind turbine
experiment module to demonstrate the breadth of Mechanical Engineering
- To encourage creativity
in the use of experimental apparatus and data-acquisition.
- To foster self-reliance
required for open-ended experiments.
- To develop the ability for team
- To develop effective communication
of technical information.
- To develop computer skills
for data reduction and plotting.
Wind Turbine Experiment
Students working in teams of 4 to 5
will perform a wind turbine experiment. Each group will acquire one set of
data, and each group will submit a single lab report. Experiments will be
performed in Spencer Lab 123.
Spencer Lab is located just north of Colburn Lab on Academy Street, and
it is connected to Colburn Lab.
Each lab group will turn in a single report for each
experiment. Reports must be typed. Reports should be concise but complete. Use
your own words; verbatim copying of the handout should be avoided. Do not pad
the length of the report unnecessarily.
The report should contain the following sections:
- Title page
- Title of experiment
- Group ID; names of
- Date experiment was
- Date report was
- Objectives (will be
provided by instructor)
- Theoretical background
- What principle is this
experiment designed to illustrate?
- Describe the theory
and any relevant equations/derivations.
- Describe all
components used during the experiment.
- Include a neat
schematic diagram and/or photograph with all parts labeled and
dimensioned (as required). Copying sections of a report, or sharing
sketches with other groups is not permitted.
- Provide a definition
of all symbols used.
For each objective in a given experiment:
- Initial setup
- Parameters varied
- Raw data should be
arranged in tabular form. Some data may be tabulated in the Appendix.
- A completely
worked-out sample calculation is required for repetitive calculations.
- Use MS Excel (or any
other spreadsheet program) for tabulation and plotting graphs.
- Error analysis
- What factors
contributed to uncertainty in your results?
- Suggest ways to reduce
error in the final result.
- Discussion and conclusions
- What did you learn
from this experiment?
- What discrepancies did
you notice between theory and experiment?
- What would you do to
Include copies of all notes taken during the experiment: (1) Name of data
recorder, (2) group members present, (3) date, (4) all data recorded,
including brief comments to help you later during data reduction and
analysis. Do not use erasers during note-taking (just draw a line through
your mistake and proceed).
Grading of Reports
Fulfilling basic requirements listed above (neatness and
professionalism is key) will fetch the group an automatic 6 points on a scale
of 10. The remaining points will be awarded on the basis of merit including the
organization of thoughts, illuminating discussion, and excellence of error
Lab reports are due no later than two weeks after performing the
experiment. Late reports will be penalized, 0.5 points for every late day. Lab
attendance is absolutely necessary. 5 points are automatically deducted from
your individual grade you miss a lab session.
Evaluation Form will be used to allow students to rank their own
contribution, and that of their fellow team members, to the overall lab effort
and the resulting lab report. Each individual's ranking is averaged, assigned a
numerical value, and used as a multiplier on the team grade, to extract an
individual grade. This mechanism will be used to differentiate and
appropriately reward individual efforts. (You may be interested to know that
companies often use such peer evaluations to calculate annual raises.)