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Thermodynamics Question

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#1 SR23


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Posted 18 May 2017 - 05:49 AM

Hi there,


I just wanted to see if I could get any input on how to approach this and perhaps compare answers with this question. I'm not too sure if I've done it right. For part a I got T = 379 K and for part b I calculated an efficiency of 68.2%. 

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#2 Bobby Strain

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Posted 18 May 2017 - 11:18 AM

It's unlikely that we are going to calculate anything. However, if you show your calculations, along with explanation, someone might look at them. And offer comments.



#3 Art Montemayor

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Posted 18 May 2017 - 04:16 PM

Bobby is exactly right.  He has often gone to extremes in helping engineering students out with their stated and calculated problems by offering advice and recommendations.  However, doing your work for you is not the way to help you become an engineer and to join our ranks in the future.


If, as you state, you have already done your detailed calculations then submit them in a detailed, legible, engineering format.  Our members will, as proven in the past, do their best to interpret your work and give you hints and advise on whether you are following the correct engineering path and logic.  Your submitted problem and sketch is straight out of a book or a course handout.  You have submitted only the material that was submitted to you.  Our members have to have some evidence that you are in tune with the required Thermodynamics being applied and that you understand not only the theory, but also the workings of Thermo when applied to actual turbomachinery.


Await your work submittal.

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