All Figures

$\begin{figure} \par\includegraphics[width=6.7cm,clip]{4225fig1.ps}\end{figure}$ Figure 1: XY plots for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=6.9cm,clip]{4225fig2.ps}\end{figure}$ Figure 2: r_XYZ plots for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=8.1cm,clip]{4225fig3.ps}\end{figure}$ Figure 3: Plots of the radial Mach number M_r as a function of the radial distance for the inviscid model a) ( $\alpha = 0$ ) and for the two physically viscous models: model b) for $\alpha = 1$ , $v_{\rm inj} = 130$ km s^-1 and model c) for $\alpha = 1$ , $v_{\rm inj} = 13$ km s^-1. Here three radial shells have been considered. The thickness of each radial shell is $\Delta r_{XY} = 0.1$ , as shown in each plot by looking at r_XY.
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In the text

$\begin{figure} \par\includegraphics[width=8.5cm,clip]{4225fig4.ps}\end{figure}$ Figure 4: Plots of the work made by the pressure forces W_p and by the viscosity forces W_v per unit mass (here $(\nabla p/\rho$ and $\nabla \cdot {\vec t})/\rho$ )) as a function of the disc radial distance for model b) - ( top two panels) and model c) - ( bottom two panels).
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In the text

$\begin{figure} \par\includegraphics[width=6.6cm,clip]{4225fig5.ps}\end{figure}$ Figure 5: Neighbours histograms for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). These histograms show the percentage distribution of particles $N_{\rm count}(\%)$ having a given number of neighbours $N_{\rm neigh}$ . The average value $\langle N_{\rm neigh}\rangle$ , the final time T, as well as the injection velocity and from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=17.3cm,clip]{4225fig6.ps}\end{figure}$ Figure 6: XY and r_XYZ plots for the physically viscous models with $\alpha = 0.1$ ( left side) and with $\alpha = 0.5$ ( right side). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=6cm,clip]{4225fig7.ps}\end{figure}$ Figure 7: Neighbours histograms for the physically viscous models with $\alpha = 0.1$ ( bottom) and with $\alpha = 0.5$ ( top). These histograms show the percentage distribution of particles $N_{\rm count}(\%)$ having a given number of neighbours $N_{\rm neigh}$ . The average value $\langle N_{\rm neigh}\rangle$ , the final time T, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=7cm,clip]{4225fig8.eps}\end{figure}$ Figure 8: Logarithmic plots of angular momentum radial distributions for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=6.9cm,clip]{4225fig9.eps}\end{figure}$ Figure 9: Logarithmic plots of temperature radial distributions for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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In the text

$\begin{figure} \par\includegraphics[width=6.7cm,clip]{4225fig1.ps}\end{figure}$	Figure 1: XY plots for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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$\begin{figure} \par\includegraphics[width=6.9cm,clip]{4225fig2.ps}\end{figure}$	Figure 2: r_XYZ plots for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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$\begin{figure} \par\includegraphics[width=8.5cm,clip]{4225fig4.ps}\end{figure}$	Figure 4: Plots of the work made by the pressure forces W_p and by the viscosity forces W_v per unit mass (here $(\nabla p/\rho$ and $\nabla \cdot {\vec t})/\rho$ )) as a function of the disc radial distance for model b) - ( top two panels) and model c) - ( bottom two panels).
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$\begin{figure} \par\includegraphics[width=17.3cm,clip]{4225fig6.ps}\end{figure}$	Figure 6: XY and r_XYZ plots for the physically viscous models with $\alpha = 0.1$ ( left side) and with $\alpha = 0.5$ ( right side). The final time T and total particle number N, as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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$\begin{figure} \par\includegraphics[width=7cm,clip]{4225fig8.eps}\end{figure}$	Figure 8: Logarithmic plots of angular momentum radial distributions for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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$\begin{figure} \par\includegraphics[width=6.9cm,clip]{4225fig9.eps}\end{figure}$	Figure 9: Logarithmic plots of temperature radial distributions for the inviscid model a) with $\alpha = 0$ ( bottom) and the two physically viscous models with $\alpha = 1$ ( middle - model b) and top - model c)). The final time T as well as the injection velocity from the inner Lagrangian point L1, are also reported.
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