# course mechanics i - cee mechanics i cee 4370/6370/mae ... bendat and piersol’s book (see...

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Course Mechanics i

CEE 4370/6370/MAE 6270 3.0/4.0/4.0 HoursExperimental Methods in Fluid Dynamics

Note: I expressly prohibit the buying and selling of any of my coursematerials, including the materials for this course. Such behavior

constitutes academic misconduct.

Instructor Edwin A. Cowen (Todd), eac20@cornell.edu, 119 Hollister Hall, 5-5140

Teaching Assistant Diego Muriel, dfm99@cornell.edu, 114 Hollister

Course Web Site http://www.cee.cornell.edu/eac20/cee637/

This course will introduce students to the methods and techniques of experimental datacollection and analysis, in the particular as they pertain to fluid flows. Topics will in-clude computer based experimental control, analog and digital data acquisition, discretesampling theory, digital signal processing, wavelets, uncertainty analysis, and canonicalturbulent flows. Instrumentation, including analog transducers (e.g., pressure and tem-perature), single-point acoustic and optical devices (e.g., acoustic Doppler velocimetryand laser Doppler velocimetry), acoustic profilers (1-D, (e.g., acoustic Doppler currentprofilers) and full-field (2-D) quantitative imaging techniques (e.g., particle image ve-locimetry and laser induced fluorescence) will be introduced. Hands on laboratory ex-periments will introduce specific instrumentation and measurement techniques and givestudents a physical introduction to classic fluid flows such as turbulent boundary layersand turbulent round jets. Students in CEE 6370/MAE 6270, in consultation with theinstructor, will be required to develop, implement, analyze, and report on a laboratoryexperiment of their choosing as a final project.

COURSE MECHANICS

Class two 75 minute lectures per week, MW 1:252:40 Hollister 110.

Laboratories There will be three laboratory exercises where the focus will be gainingexperience with modern measurement techniques in fluid mechanics acoustic Dopplervelocimetry (ADV), particle image velocimetry (PIV), and laser induced fluorescence(LIF). Additionally you will get a chance to work in three canonical shear flows theturbulent round jet and the flat plate boundary layer studying both the momentum andmass transport of the former. You will be required to participate in small groups to collectdata and then individually analyze and report on the experiments. The laboratory reportswill be graded. These three laboratory exercises will take place in the DeFrees Hydraulics

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Laboratory (basement of Hollister Hall). We will use google docs for laboratory sign-uptime slots for these meetings such that all students can attend. Attendance is mandatory.

Homework I anticipate three or more problem sets will be assigned throughout thesemester. These will entail the analysis of data collected by the students or made availableby myself. I may make some portions of problems optional/extra-credit for CEE 4370students.

Examinations There will be a take home final problem set due at the end of the regu-larly scheduled final which will be posted by the university after the course add deadlinehas passed. I may make this assignment due earlier, I will provide you at least one monthnotice if I intend to change update the due date.

Grades CEE 6370/MAE 4370 Homework 25%Laboratory write-ups 25%Projects 25%Final problem set 25%

Grades CEE 4370 Homework 3313%

Laboratory write-ups 3313%

Final problem set 3313%

Text & Notes The course will consist of the material covered in lecture and thelaboratories. Lecture notes will be made available to the class prior to each lecture. Ihave placed four text books on reserve in Olin Library: Goldstein, Bendat and Piersol,Bracewell and Pope. Bendat and Piersols book (see reference list) is the classic text onrandom data analysis, Goldsteins book (see reference list) is a good source of informa-tion on a variety of measurement techniques although the library does not have the mostrecent version so it is quite out of date. Bracewell is an excellent source of informationon spectral analysis and sampling issues. Pope is the current reference textbook on tur-bulence and has nice treatments of wall boundary layers and free shear layers that aregood supplemental reading for our laboratory exercises, and of course Steve Pope is hereat Cornell! In addition I will hand out journal articles on a variety of topics which shouldbe considered part of your course notes.

Assumed Background It is assumed that every one has a background in computa-tional data analysis (ENGRD 3200 or equivalent), probability and statistics (CEE 3040or equivalent) and some level of familiarity with fluid mechanics (e.g., CEE 3310). If youare not sure if you have this background talk to Prof. Cowen.

Software There will be no formal requirement for data analysis software. However,MATLAB will be the software I use for demonstration and solution set purposes. Hence

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Course Mechanics iii

MATLAB is recommenced as the software of choice for data analysis. For those thatwant an open-source free solution I recommend Python or Julia but R or Octave are alsopossibilities. For those who are active low-level coders, languages such as FORTRAN,C, Java, etc will work as well (coupled to plotting software) but you are more or lesson your own. I know enough to be dangerous with Python and Julia and can pointyou at support options potentially but no promises, same for FORTRAN. Excel or otherspreadsheet software will almost certainly cause you headaches and I do not recommendsuch software for this course unless you are using it strictly as your plotting software(and then I am still not a fan but that is personal choice).

Syllabus The syllabus and other course information such as handouts, sample data,and course links are available through the course web site listed above.

Office Hours I will post office hours for this course after soliciting your schedules.

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REFERENCES

Data Analysis

Bendat, J.S.; Piersol, A.G. (1986) Random Data. John Wiley & Sons(On reserve in the Engineering Library)

Bracewell. (1999) The Fourier Transform and its Application, 3rd edition. McGraw-Hill, Inc.

Efron, B.R.; Tibshirani, R. (1993) An Introduction to the Bootstrap. Chapman &Hall.

Experimental Methods in Fluid Mechanics

Goldstein, R.J. (1996). Fluid Mechanics Measurements, 2nd Edition. Taylor & Francis.

Fundamental Fluid Mechanics

Batchelor, G.K. (1976). An Introduction to Fluid Mechanics. Cambridge UniversityPress.

Lamb, H.L. (1932). Hydrodynamics. Dover.

Panton, R.L. (1996). Incompressible Flow. John Wiley & Sons, Inc.

Pope, S.B. (2000). Turbulent Flows. Cambridge University Press.

Schlichting, H. (1950). Boundary Layer Theory. McGraw-Hill, Inc.

Sherman, F.S. (1990). Viscous Flow. McGraw-Hill, Inc.

Tennekes, H.; Lumley, J.S. (1973). A First course in Turbulence. MIT Press.

Tritton, D.J. (1988). Physical Fluid Dynamics. Oxford Science Publications.

White, F.M. (1974). Viscous Fluid Flow. McGraw-Hill, Inc.

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