Technical Reports, Study notes of Engineering

Experimental Engineering using the Technical Reports and reported to ABET. All students must have at least a Satisfactory grade in Organization in Writing ...

Typology: Study notes

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58:080 Experimental Engineering
1
Technical Reports
Presentation and report of engineering or scientific work are probably as important as the
actual work. Credit for a discovery or development of new concepts cannot be received until the
work has been described in a report or paper that is readily available for other people to read. It is
often stated that engineers upon graduation will spend their first few months of work doing about
30 percent engineering and 70 percent writing. Other related statements are "graduates of
engineering programs must have substantial communication skills if they are to function
effectively in industry and government" and "engineering graduates often wish they had more
training in communication skills in college." One goal of this course is to develop effective
written and oral communication skills. This will be accomplished by requiring written technical
reports for each experiment and an oral presentation by the group. Appendix A of Ref. [1]
provides general guidelines for report writing.
In numerous environments, a report is written for a specific audience. Thus, it is important to
first identify the intended audience (e.g., a supervisor as compared to a colleague) and to
recognize the type and order of information the reader is seeking. The report format, therefore,
varies. However, most reports include three essential elements: introduction, narrative, and
conclusion. Remember that brevity and clarity are important and the report should be of high
quality to be read. All reports should be written in the third person (e.g., use "the pressure was
measured..." instead of "we measured the pressure...").
A good dictionary should be nearby when the report is being written. No excuses for
misspelled words. Proof reading cannot be over-emphasized. If possible, have someone read the
report for grammar, style, spelling, clarity, and typographical errors. Make sure nouns and verbs
agree.
ABET, the accreditation board for college and university programs in applied science,
computing, engineering, and technology, requires evaluation of reporting skills in terms of
Organization in Writing (sequence of information, graphics, discussion and conclusions, design
of contents) and Writing Skills (grammar, spelling, sentence clarity, syntax). These are graded in
Experimental Engineering using the Technical Reports and reported to ABET. All students must
have at least a Satisfactory grade in Organization in Writing and Writing Skills to pass the
class.
The report is limited to ten pages plus appendices, with the following format:
1 GRADE SHEET
2 TITLE, AUTHORS AND ABSTRACT
3 INTRODUCTION
4 EXPERIMENTAL CONSIDERATIONS
5 RESULTS AND DISCUSSION
Error Analysis
6 CONCLUSIONS AND RECOMMENDATIONS
7 REFERENCES
8 APPENDICES
All material is to be written using computer word processing on double-spaced standard 8-1/2
x 11 in unlined paper. All margins (top, bottom, right and left) will be 1 inch. This allows space
for grader’s comments and marking. Any oversized sheets of paper that are necessary to the
report (plots, figures, computer programs and listings, results, etc.) should be neatly folded and
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Technical Reports

Presentation and report of engineering or scientific work are probably as important as the actual work. Credit for a discovery or development of new concepts cannot be received until the work has been described in a report or paper that is readily available for other people to read. It is often stated that engineers upon graduation will spend their first few months of work doing about 30 percent engineering and 70 percent writing. Other related statements are "graduates of engineering programs must have substantial communication skills if they are to function effectively in industry and government" and "engineering graduates often wish they had more training in communication skills in college." One goal of this course is to develop effective written and oral communication skills. This will be accomplished by requiring written technical reports for each experiment and an oral presentation by the group. Appendix A of Ref. [1] provides general guidelines for report writing. In numerous environments, a report is written for a specific audience. Thus, it is important to first identify the intended audience (e.g., a supervisor as compared to a colleague) and to recognize the type and order of information the reader is seeking. The report format, therefore, varies. However, most reports include three essential elements: introduction, narrative, and conclusion. Remember that brevity and clarity are important and the report should be of high quality to be read. All reports should be written in the third person (e.g., use "the pressure was measured..." instead of "we measured the pressure..."). A good dictionary should be nearby when the report is being written. No excuses for misspelled words. Proof reading cannot be over-emphasized. If possible, have someone read the report for grammar, style, spelling, clarity, and typographical errors. Make sure nouns and verbs agree. ABET, the accreditation board for college and university programs in applied science, computing, engineering, and technology, requires evaluation of reporting skills in terms of Organization in Writing (sequence of information, graphics, discussion and conclusions, design of contents) and Writing Skills (grammar, spelling, sentence clarity, syntax). These are graded in Experimental Engineering using the Technical Reports and reported to ABET. All students must have at least a Satisfactory grade in Organization in Writing and Writing Skills to pass the class. The report is limited to ten pages plus appendices, with the following format: 1 GRADE SHEET 2 TITLE, AUTHORS AND ABSTRACT 3 INTRODUCTION 4 EXPERIMENTAL CONSIDERATIONS 5 RESULTS AND DISCUSSION Error Analysis 6 CONCLUSIONS AND RECOMMENDATIONS 7 REFERENCES 8 APPENDICES All material is to be written using computer word processing on double-spaced standard 8 - 1/ x 11 in unlined paper. All margins (top, bottom, right and left) will be 1 inch. This allows space for grader’s comments and marking. Any oversized sheets of paper that are necessary to the report (plots, figures, computer programs and listings, results, etc.) should be neatly folded and

easily unfolded and should not extend beyond the cited dimensions. No smaller or larger sheets are allowed. The entire report will be stapled in the upper left corner or with staples along the left-hand 11-inch-long side; stapler available at the MIE office. All pages must be numbered with the INTRODUCTION as page 1. A. REPORT CONTENT The contents of each section of the report are described briefly in the following discussion: GRADE SHEET This sheet is included at the end of this document and should be attached as the first page. Fill out the experiment number, title of report, date handed in, and author's name. Note the points awarded to each section. TITLE AND AUTHORS In the order shown, with appropriate spacing, include: a) Title of report b) Authors, group and affiliation c) Date submitted ABSTRACT The abstract should report the basic accomplishments and attempt to entice the reader to read further. An abstract (or summary) should seldom be longer than one page and is typically around 200 words. The following items should be included: a) Objective of work b) Brief statement(s) on how objective was achieved (the work that was done) c) Conclusions and recommendations are summarized (be quantitative!) The abstract stands by itself. Note that equations or references do not, in general, appear in the abstract. The abstract should be written after the rest of the report has been completed. An executive summary is an extended abstract of up to about 500 words, and it may include an essential figure. INTRODUCTION The introduction places the work in perspective, i.e. cites relevance, motivation, some previous background, and, most importantly, the objectives of the work. It should answer the question, “Why did you do what you did?” It is convenient to introduce the objective as "The objectives of this study are...". It states the hypothesis and concepts tested. Remember that your objective IS NOT “to learn about this or that…” but to measure something that may help you discover or resolve a problem. EXPERIMENTAL CONSIDERATIONS The purpose of this section is to describe the experiment technique and how the experiment was performed. It should answer the question, “What did you measure and how?” This section should include a schematic diagram of the apparatus, important

APPENDICES

Material that is somewhat bulky and does not necessarily contribute to the overall presentation of the report is placed in this section. Give the appendices titles; for example, “Appendix A: Tables” or “Appendix C: Example Calculations”. Several items that may be included are:

  • List of Nomenclature and Symbols Used: See example below
  • Tabulated Data: Give the raw data in a neatly tabulated format. Also include any summarized results.
  • Figures: if you choose not to place the figures in the text, you can place them in an appendix, but still have them in the proper order as they are referred to in your text.
  • List of Equipment: See the LOG BOOK. Include the major pieces of equipment identified by name o should be identified.
  • Methods: Discuss in greater detail how the experiment was performed, but do not give a minute by minute presentation.
  • Error Analysis: Estimate the accuracy of all measurements. Give statistically meaningful results.
  • Sample Calculation: Give a sample calculation including a unit analysis. Insert typical data into calculations.
  • Theory: If possible, attempt to correlate measurements with a theoretical model.
  • Computer Program: When a computer program is utilized, a listing with a representative case should be given. **B. FORMAT OF PLOTS, TABLES AND EQUATIONS
  1. General things to remember about references, figures and tables**
  • References, figures and tables should be referred to and numbered in order of appearance.
  • Make sure all figures and tables are referred to, don’t just put some table or figure into your report. 2. Graph and Plot Rules of Thumb (for reports, memos and log books)
  • X-axis for independent variable, Y-axis for dependent variable; y = f(x) o Label all axes on the outside of the axis borders; the format should be:

o LABEL, symbol, units for example – “ Stress σ, [MPa] ” Label is in quotes …

o Include important information inside your plot frame, such as - test conditions - assumptions - material type - data legends, etc., only when necessary.

  • Provide an equation in the plot frame if: - analytical curve used and the equation is relevant - empirical curve is found that describes the data well, and, for example if it is a linear fit, don’t just leave it as y = mx + b, instead use something like: Voltage (V) = 10.23 (lbf) + 0.
  • Provide a small sketch if it is helpful and necessary
  • Place figure number and a descriptive title at the bottom of the figure, for example in Appendix A of see the figure below
  • For experimental data, even with empirical curves, always show data points using symbols and add error bars
  • For analytical or theoretical curves (from equations) do not show symbols, use a line.
  • If more than one symbol is used you must provide a legend (unless you identify the data or curve clearly using a title and arrow). If there is only one curve or data set, use no legend.
  • Finally, ask yourself the following questions: Can the figure stand alone and tell the entire story by itself without any accompanying text? It should be able to… If it can, ask yourself, is it a “pretty” figure that uses: o - same font throughout - does the font match the text - effective use of capitalization and bold lettering - do all the plots of similar type and results look similar? - be consistent so as not to confuse the reader: once they understand one plot, and if other plots are presenting similar information and are consistent, they can be quickly and easily understood by the reader. 3. Table Format Rules of Thumb (for reports, memos and log books)
  • Table number and descriptive title should be located above the table. Consider the example shown in Table A.
  • Use borders to properly separate headings and columns of data
  • Clearly label all columns of data including the units

D s mass diffusion coefficient in the solid (m

2 s

  • 1 ) h spray spray cooling heat transfer coefficient (W m
  • 2 K
  • 1 ) ∆h latent heat (kJ kg
  • 1 ) w* spray cooling flux (L m
  • 2 s
  • 1 ) x slab thickness dimension (m) z casting direction, distance from meniscus (m) Greek κ partition coefficient (wt pct/wt pct)

λ 2 secondary dendrite arm spacing (m)

Subscripts s solid l liquid Superscripts i refers to the i-th chemical element C. FINAL THOUGHTS AND RECOMMENDATIONS ON REPORTING WRITNG A major emphasis of this course is the writing of a good technical report. It is unlikely that a good report can be prepared beginning just a day or two before the due date. Some suggestions are presented here to make the writing proceed smoothly. Begin writing as soon as possible. The Introduction can be written after the lab period spent organizing and setting up the experiment. The Experimental Considerations section is the easiest one to write because it is just a description of what you did. The procedure for all members of a group should be very similar, but in each member's own wording. Make an outline of this section and have all group members agree to the outline. A sample calculation for the appendix can be prepared as the data are reduced. As the data are reduced, the group can discuss the results. Do the results show what was anticipated, and if not can this be explained? Are any discrepancies between experiments just due to experimental error, or are they the result of some physical phenomena? The Abstract is written last. Take key sentences and phrases from the rest of the report and put them together to form the abstract. Proofreading the report is essential. Read forward to check for grammar and logic. Have someone else read the report to check for errors. The lab report should be thorough in its coverage of the experiment. The report should also be concise; excess material should be avoided.