Thermodynamics (not too difficult apparently)

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SUMMARY

The discussion focuses on a thermodynamics problem involving an adiabatic and reversible compressor that takes air at 300K and 1atm and compresses it to 2atm using 200W of power. The final temperature of the air is calculated to be approximately 366K using the formula T/(p^((k-1)/k)) = constant, where k is the specific heat ratio (1.40 for air). The user seeks guidance on determining the rate of air delivery, which is related to the power input and the work done during the compression process.

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Mazimillion
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Hi,

I've been given a question and I'm just a bit unsure about how to proceed.

"A compressor takes air at 300K and 1atm, and delivers compressed air at 2atm, using 200W of power. If the process is adiabatic and reversible, what is the rate that air is delivered, and what is the final temperature of the air? [k of air = 1.40]"

Now the final air temperature I'm ok with (i hope)
using: T/(p^((k-1)/k)) = constant, i get a final temp of ~366K (which seems reasonable to me considering it has been compressed)

The part that is giving me a headache is the rate of delivery section. Could i have a pointer in the right direction, please?

Thanks in advance
 
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Mazimillion said:
The part that is giving me a headache is the rate of delivery section. Could i have a pointer in the right direction, please?

Thanks in advance
Power is the rate of doing work. Some work had to be done to compress the gas. Does that help?
 

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