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Rate of change of Air Temp through a Copper Tube

 
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Aug12-12, 02:43 PM   #1
 

Rate of change of Air Temp through a Copper Tube

I need to find out the temperature change of air going through a chilled copper tube. The air will be traveling through 15 feet of tubing at a rate of 1 liter/second. The copper tube is chilled to 20 degrees F by a refrigeration unit and the air is 90 degrees F when it enters the tube. What will be the temperature of the air when it exits the tube?

How can I calculate this.

Thanks.
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