Heat Transfer Questions & Answers | |
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What is $T_0$ in your second definition of Ec? We need to know how $T_0$ is defined. Write down the definition for $T_0$ and try to to express it as a function of $u_\infty$.
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Great! 1 point bonus for bringing this up.
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Well, you should use the ${\rm Nu}_x$ expression that says $T_{\rm w}$ is constant when the wall temperature over the entire plate is a constant. And you should use the ${\rm Nu}_x$ expression that says $q^"$ is constant when the heat flux at any location on the flat plate is constant. 0.5 point bonus.
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In this case there is no difference because the air pressure is 1 atm.
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Please write your equations using LATEX, not using a scan. Scans should be used for schematics. Post your complete question again below using LATEX and I will answer it.
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$\pi$ |