ICE 10-06-10

# ICE 10-06-10 - MEEN 315-501 In-class exercises Wednesday,...

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MEEN 315-501 In-class exercises Wednesday, 10/06/10 Exercise 1

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Ex 1 Solution
Ex 1 solution cont. IMPORTANT thing to consider: If you were given the dimensions of the piston itself, and knowing the pressure inside the chamber, could you figure out what the mass of the piston would be from drawing a FBD? Thinks back to HW 02 where you had a similar problem. This is IMPORTANT!

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Exercise 2 Five kilograms of water, initially at saturated vapor at 100 kPa, are cooled to saturated liquid while the pressure is maintained constant. Determine the work and heat transfer for the process, each in kJ. Show that ONLY for a constant pressure process the change in heat transfer equals the change in enthalpy. Hints: h = u + pv w B = P v= P(v 2 -v 1 ), only if pressure = Konstant! Massage the equation before inserting values so you see all the variables and collect terms algebraically! SOLUTION NEXT PAGE
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## This note was uploaded on 01/03/2011 for the course MEEN 315 taught by Professor Ramussen during the Fall '07 term at Texas A&M.

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ICE 10-06-10 - MEEN 315-501 In-class exercises Wednesday,...

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