An aniline-alcohol solution is flowing at a velocity of 10 fps through a long, 1 -in.-ID thin-wa

Step 1: **Identify the given data.** u000Au002D Velocity of the anilineu002Dalcohol solution, u005C( V u003D 10 u005C,

An aniline-alcohol solution is flowing at a velocity of 10...

An aniline-alcohol solution is flowing at a velocity of $10 \mathrm{fps}$ through a long, 1 -in.-ID thin-wall tube. Steam is condensing at atmospheric pressure on the outer surface of the tube, and the tube wall temperature is $212^{\circ} \mathrm{F}$. The tube is clean, and there is no thermal resistance from scale deposits on the inner surface. Using the physical properties tabulated below, estimate the heat transfer coefficient between the fluid and the pipe using Eqs. $(6.60)$ and (6.61) and compare the results. Assume that the bulk temperature of the aniline solution is $68^{\circ} \mathrm{F}$, and neglect entrance effects. $$ \begin{array}{|c|c|c|c|c|} \hline \begin{array}{l} \text { Temp- } \\ \text { erature } \\ \left({ }^{\circ} \mathrm{F}\right) \end{array} & \begin{array}{l} \text { Viscosity } \\ \text { (centipoise) } \end{array} & \begin{array}{c} \text { Thermal } \\ \text { Conductivity } \\ \left(B t u / \mathrm{h} \mathrm{ft}^{\circ} \mathrm{F}\right) \end{array} & \begin{array}{l} \text { Specific } \\ \text { Gravity } \end{array} & \begin{array}{c} \text { Specific } \\ \text { Heat } \\ \left(B+\mathrm{Bb}^{\circ} \mathrm{F}\right) \end{array} \\ \hline 68 & 5.1 & 0.100 & 1.03 & 0.50 \\ \hline 140 & 1.4 & 0.098 & 0.98 & 0.53 \\ \hline 212 & 0.6 & 0.095 & & 0.56 \\ \hline \end{array} $$

An aniline-alcohol solution is flowing at a velocity of $10 \mathrm{fps}$ through a long, 1 -in.-ID thin-wall tube. Steam is condensing at atmospheric pressure on the outer surface of the tube, and the tube wall temperature is $212^{\circ} \mathrm{F}$. The tube is clean, and there is no thermal resistance from scale deposits on the inner surface. Using the physical properties tabulated below, estimate the heat transfer coefficient between the fluid and the pipe using Eqs. $(6.60)$ and (6.61) and compare the results. Assume that the bulk temperature of the aniline solution is $68^{\circ} \mathrm{F}$, and neglect entrance effects.
$$
\begin{array}{|c|c|c|c|c|}
\hline \begin{array}{l}
\text { Temp- } \\
\text { erature } \\
\left({ }^{\circ} \mathrm{F}\right)
\end{array} & \begin{array}{l}
\text { Viscosity } \\
\text { (centipoise) }
\end{array} & \begin{array}{c}
\text { Thermal } \\
\text { Conductivity } \\
\left(B t u / \mathrm{h} \mathrm{ft}^{\circ} \mathrm{F}\right)
\end{array} & \begin{array}{l}
\text { Specific } \\
\text { Gravity }
\end{array} & \begin{array}{c}
\text { Specific } \\
\text { Heat } \\
\left(B+\mathrm{Bb}^{\circ} \mathrm{F}\right)
\end{array} \\
\hline 68 & 5.1 & 0.100 & 1.03 & 0.50 \\
\hline 140 & 1.4 & 0.098 & 0.98 & 0.53 \\
\hline 212 & 0.6 & 0.095 & & 0.56 \\
\hline
\end{array}
$$

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