Lectures - Course Business Homework 10 Will be posted by...

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Course Business Homework 10 Will be posted by the end of the day today Due November 12 by 12:30 PM Chemical Engineering Survival Tip It is NOT likely that the problems / projects presented to you in your jobs will be: Well defined All unknowns given All assumptions made All background information collected. You WILL be expected to figure a lot about the project on your own. This can be done in a number of ways. Some information you will have to gather from coworkers and plant operators. Some information you might have to ask your supervisior. However, technical information, like constants for empirical equations may have to be found on your own. On occasion (and quite often as you approach your senior year), the problems you will be given in your ChE classes might be missing certain information (constants, material or physical property data, equipment data, etc.). You need to get into the habit of learning how to find this information on your own. How to find this info: Google – be sure your source is reputable (equipment manufacturers, national labs, other universities, professional organizations, reputable peer-reviewed journals are all good sources). Equipment / Chemical Manufacturers – often publish important constants related to their products, especially if those constants are requested by customers regularly. You may not always find these on the internet. You might actually have to email / call the company’s technical service representative. Text books – the authors have done the work to gather this information for you. Many of your text books could become critical references for constants even after you graduate. KEEP YOUR BOOKS! Industry compendiums – Perry’s and CRC Handbook for Chemistry and Physics are great examples. These reference materials are available at the LSU library. I bought a Perry’s for myself when I graduated and I still use it. Peer Reviewed Journals – be sure that your journal has a decent impact factor and that the article has been cited many times (and not to debunk the work) In the future, on HW in this class, if there is a particular constant that is missing in the problem statement, go look for it using the methods described above. If you think it’s an error on my part, let me know. ChE 2162 1
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ChE 2162: Introduction to Computer Modeling and Simulation of Chemical Engineering Systems Lecture 15 11-5-2015 Dr. Elizabeth Melvin
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Last Lecture Numerical Analysis (more math) Working with Polynomials Solving non-linear equations ChE 2162 3
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Overview of This Lecture ChE 2162 Numerical Analysis Integration Interpolation 4
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Numerical Analysis Integration ChE 2162 Integration Area (S) under curve (f(x)) Between limits (a and b) Methods to Numerically Find Integral: Simpson Method Trapezoidal Rule 𝑆𝑆 = 𝑎𝑎 𝑏𝑏 𝑓𝑓 𝑥𝑥 𝑑𝑑𝑥𝑥 5
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Integration quad () OR integral () ChE 2162 The command quad () OR integral ():
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