MEEN_315_Team_Report[up]

MEEN_315_Team_Report[up] - MEEN 315 Team Report CARNOT...

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Unformatted text preview: MEEN 315 Team Report CARNOT ENGINE PROJECT ABSTRACT When discussing Carnot engines, we usually assume the engine to be ideal, meaning that the engine is in thermal equilibrium, in that case = and =, so that there is no external irreversibility. But in our project, we have a Carnot engine which is not in thermal equilibrium, therefore, must maintain a reasonable temperature difference between the two heat transfer media. Using these parameters we needed to find when the power output will be max and also when there will be max power. And we had to use EES to verify these results. In Parts A and B we had to derive the equations given in the team project paper. While in Parts C, D, and E, we had to use EES to solve for and in various different cases. INTRODUCTION In this project we had to assume that this was not an ideal Carnot engine, so we had to prove that the max power output occurs when = (eq 1) and that the maximum net power output occurs when = (eq 2) After deriving these equations we needed to verify those using EES. For Part C of the project, we needed to verify Parts A & B assuming ( = 1 (W/K)). In Part D, we had to find () and () assuming that the work output could be sold at 1.2 cents per joule and the energy input () cost 1 cent per joule. And in the last part of the project, Part E, we again needed to calculate for () and () but this time assuming that the work output could be sold at 1.2 cents per joule and the energy input () cost 1 cent per joule and the energy output () cost 0.1 cents per joule for post-processing. All of these graphs were created in EES and can be seen below. MATHEMATICAL MODEL AND RESULTS FOR PART (A) AND PART (B) To derive the required equations there were several steps taken to achieve the right results. Following are the steps taken to achieve these results....
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This note was uploaded on 11/19/2011 for the course MEEN 315 taught by Professor Ramussen during the Fall '07 term at Texas A&M.

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MEEN_315_Team_Report[up] - MEEN 315 Team Report CARNOT...

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