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Solutions+PS+4+2009

# Solutions+PS+4+2009 - 70-53.57 8.28x10-5 9-43.42 0.4671...

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SOLUTIONS Prof. Cappelli Winter 2008-09 ME 70 Problems due Wednesday February 4, 2009 Momentum Flux Solve: Problem 4.55 (Fox and McDonald 7 th Edition) Combined Mass, and Momentum Balances Solve: Problem 4.62 (Fox and McDonald 7 th Edition) Problem 4.70 (Fox and McDonald 7 th Edition) Problem 4.74 (Fox and McDonald 7 th Edition) Hydrostatics and Matlab Integration Exercise The U.S. Standard Atmosphere specifies the known fluid properties of the atmosphere above sea level. The following is the recorded temperature elevation with altitude above sea level: z(km) T(C) ρ (kg/m 3 ) z(km) T(C) ρ (kg/m 3 ) 0 15 1.225 10 -49.90 0.4135 1 8.5 1.112 15 -56.50 0.1948 2 2 1.007 20 -56.50 8.91x10 -2 3 -4.49 0.9093 25 -51.60 4.01x10 -2 4 -10.98 0.8194 30 -46.64 1.84x10 -2 5 -17.47 0.7364 40 -22.80 4.00x10 -3 6 -23.96 0.6601 50 -2.50 1.03x10 -3 7 -30.45 0.5900 60 -26.13 3.1x10 -4 8 -36.94 0.5258

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Unformatted text preview: 70-53.57 8.28x10-5 9-43.42 0.4671 80-74.51 1.85x10-5 Fit a polynomial (you choose the appropriate order) to the temperature-altitude data, plot the result, and then use this polynomial to predict the density of air at any altitude (Hint, you will have to perform an integral -try using the MATLAB trapezoidal integration function "trapz".) Compare the predicted density based on your model to that in the table for an altitude of 5, 10, 20, 40, and 80 km. SOLUTIONS Prof. Cappelli Winter 2008-09 SOLUTIONS Prof. Cappelli Winter 2008-09 SOLUTIONS Prof. Cappelli Winter 2008-09 SOLUTIONS Prof. Cappelli Winter 2008-09 SOLUTIONS Prof. Cappelli Winter 2008-09 Supplemental Problem SOLUTIONS Prof. Cappelli Winter 2008-09...
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Solutions+PS+4+2009 - 70-53.57 8.28x10-5 9-43.42 0.4671...

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