AME101-F07-PS1

# AME101-F07-PS1 - AME 101 Fall 2007 Problem Set#1 Assigned...

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AME 101 Fall 2007 Problem Set #1 Assigned: 9/7/2007 Due: 9/14/2007, 4:30 pm, in drop-off box in OHE 430 Problem #1 (10 points) The Stefan-Boltzman constant (usually given the symbol σ ) for radiative heat transfer is 9.09 x 10 -9 ft lbf hour in 2 R 4 where R is Rankines, the USCS unit of absolute temperature. What is the Stefan-Boltzman constant in units of Watts m 2 K 4 ? All of the required unit conversions in the lecture notes. Problem #2 (15 points) A quantity called Brake Mean Effective Pressure (BMEP) is often used to quantify the performance of internal combustion engines. Its definition is BMEP = 2 P V " where P is the engine power, V the displacement volume (units length 3 ) and Ω is the rotation rate (units 1/time). (a) Show that BMEP does in fact have units of pressure (force/area) (b) If P = 200 horsepower, V = 350 in 3 and Ω = 3600/min, what is BMEP in units of atmospheres? Problem #3 (25 points)

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AME101-F07-PS1 - AME 101 Fall 2007 Problem Set#1 Assigned...

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