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|
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\subsection{Thermal Conductivity} |
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|
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Our thermal conductivity calculations also show that scaling method |
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agrees with swapping method. Table \ref{thermal} lists our simulation |
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Our thermal conductivity calculations also show that scaling method results |
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> |
agree with swapping method. Table \ref{thermal} lists our simulation |
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results with similar manner we used in shear viscosity |
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calculation. All the data reported from scaling method were obtained |
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by simulations of 10-step exchange frequency, and the target exchange |
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kinetic energy were set to produce equivalent kinetic energy flux as |
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in swapping method. Figure \ref{thermalGradSwap} and |
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\ref{thermalGradScale} exhibit similar thermal gradients of respective |
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similar kinetic energy flux. |
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in swapping method. Figure \ref{thermalGrad} exhibits similar thermal |
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gradients of respective similar kinetic energy flux. |
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|
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\begin{table*} |
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\begin{minipage}{\linewidth} |
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|
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\begin{tabular}{ccc} |
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\hline |
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Name & $\lambda^*_{swap}$ & $\lambda^*_{scale}$\\ |
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Series & $\lambda^*_{swap}$ & $\lambda^*_{scale}$\\ |
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\hline |
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20-250 & 7.03(0.34) & 7.30(0.10)\\ |
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20-500 & 7.03(0.14) & 6.95(0.09)\\ |
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\end{table*} |
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|
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\begin{figure} |
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\includegraphics[width=\linewidth]{thermalGradSwap} |
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\caption{Temperature gradients of simulations using swap method.} |
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\label{thermalGradSwap} |
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\includegraphics[width=\linewidth]{thermalGrad} |
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> |
\caption{Temperature gradients of thermal conductivity simulations} |
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\label{thermalGrad} |
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\end{figure} |
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|
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– |
\begin{figure} |
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\includegraphics[width=\linewidth]{thermalGradScale} |
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\caption{Temperature gradients of simulations using scale method.} |
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\label{thermalGradScale} |
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\end{figure} |
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|
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During these simulations, molecule velocities were recorded in 1000 of |
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all the snapshots. These velocity data were used to produce histograms |
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of velocity and speed distribution in different slabs. From these |