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Thermodynamics HW Solutions 58

Thermodynamics HW Solutions 58 - 1-111 Determine a positive...

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Chapter 1 Basics of Heat Transfer Problem Solving Techniques and EES 1-110C Despite the convenience and capability the engineering software packages offer, they are still just tools, and they will not replace the traditional engineering courses. They will simply cause a shift in emphasis in the course material from mathematics to physics. They are of great value in engineering practice, however, as engineers today rely on software packages for solving large and complex problems in a short time, and perform optimization studies efficiently.
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Unformatted text preview: 1-111 Determine a positive real root of the following equation using EES: 2x 3 – 10x 0.5 – 3x = -3 Solution by EES Software (Copy the following lines and paste on a blank EES screen to verify solution): 2*x^3-10*x^0.5-3*x = -3 Answer : x = 2.063 (using an initial guess of x=2) 1-112 Solve the following system of 2 equations with 2 unknowns using EES: x 3 – y 2 = 7.75 3xy + y = 3.5 Solution by EES Software (Copy the following lines and paste on a blank EES screen to verify solution): x^3-y^2=7.75 3*x*y+y=3.5 Answer x=2 y=0.5 1-58...
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