Applied Thermo ME329 Applied Thermodynamics Chapter 8 Project Due Tuesday, March 15th, 9am Problem Statement: Consider the cycle shown in Example

Applied Thermo

ME329 Applied Thermodynamics

Chapter 8 Project

Due Tuesday, March 15th, 9am

Problem Statement:

Consider the cycle shown in Example 8.6 as an example of a coal fired power plant. For
this cycle, determine how varying the values of y and y’ affect the overall thermal
efficiency.

In the example information on state points is given such that you can solve for the mass
fractions of y’ and y”. We will be reversing that. You will be setting a value of y’ – which
means the given value of T11 will not be valid and must be solved for. You will be setting
a value for y” – which means the given quality for state 9 will not be valid and must be
solved for.

Vary your values of y’ from zero to 40% in increments of no more than 10% (i.e. 0.1,
0.2, 0.3, 0.4). For each value, vary your value of y” from zero to 15% in increments of no
more than 3% (i.e. 0.03, 0.06, 0.09, 0.12, 0.15). This means you will need to solve the
problem at least twenty times. Make use of CoolProp to speed this up.

Present these results in table format. Make sure to use an appropriate number of
decimal places and proper unit labels. Produce one or more plots that visually
demonstrates a key trend you identify in the data.

What to Submit to D2L:

You will be submitting an engineering memo and accompanying Excel spreadsheet.
Only include the information you need to explain your calculations and results (i.e.
background, the history of power plants, why you named your dog Rex…none of that is
necessary). While you are being evaluated on your thermodynamics understanding,
remember that how you present your information will influence how a reader interprets
it. Make your submission as clear and professional as possible. Provide references for
any externally cited materials.

Your memo should include a description of how you set up the problem, any
assumptions you made, and a discussion of all results. Your final tables and figures
should be embedded in the memo.

You will need to submit an Excel spreadsheet. The spreadsheet should be
professionally formatted (all values identified with units, your name and date included
somewhere).

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