All Figures

$\begin{figure} \par\includegraphics[width=8.7cm,clip]{H4613F1.ps} \end{figure}$ Figure 1: Initial configuration: temperature, T( left), and particle density, $\rho$ ( right), along the loop with a total length of 10 Mm.
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In the text

$\begin{figure} \par\includegraphics[width=16.8cm,clip]{H4613F2.ps} \end{figure}$ Figure 2: Temporal evolution of temperature ( left), velocity ( center), and density ( right) along the loop. The heating rate for the loop shown is characterized by $F_{{\rm m0}}=150$ W m^-2 and a scale height of $H_{\rm m}=1.25$ Mm.
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In the text

$\begin{figure} \includegraphics[width=7.8cm,clip]{H4613F3.ps} \end{figure}$ Figure 3: Energy balance at the loop apex for a damping length of $H_{\rm m}=1.25$ Mm. From top to bottom: electron density, $n_{\rm e}$ , mechanical heating per particle, radiative losses per particle, the sum $(Q_{\rm m} - L_{\rm rad} - p\nabla v - \nabla F_{\rm c})$ per particle (negative values mean that the loop apex is losing energy), and the temperature at the loop top.
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In the text

$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F4.ps} \end{figure}$ Figure 4: The mechanical heating function, $Q_{\rm m} (z)$ , plotted for different values of $H_{\rm m}$ . Dashed line: $H_{\rm m} = 1.5$ Mm, solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm, long-dashed line: $H_{\rm m} = 0.5$ Mm.
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In the text

$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F5.ps} \end{figure}$ Figure 5: The influence of the damping length, $H_{\rm m}$ , on the thermal evolution of the loop. Dashed line: $H_{\rm m} = 1.5$ Mm, solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm, long-dashed line: $H_{\rm m} = 0.5$ Mm.
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In the text

$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F6.ps} \end{figure}$ Figure 6: Temperature profiles of different loops at the time when a condensation region has formed. Solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm.
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In the text

$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F7.ps} \end{figure}$ Figure 7: Limit cycle of loop evolution for a damping length of $H_{\rm m} =$ 1.25 Mm ( dots) and $H_{\rm m} =$ 1.50 Mm ( open circles). The phases of evolution are indicated as follows: (0): initial cooling, (0 a) condensation, (0 b) simultaneous evolution of the hot part of the loop ( dashed line), (0) loop reheating and chromospheric evaporation.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{H4613F8.ps} \end{figure}$ Figure 8: From left to right: space-time plot of the loop temperature and the corresponding variations of the lines of C 4 1548 Å, O 5 630 Å, O 6 1032 Å for a damping length of $H_{\rm m}=1.25$ Mm.
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In the text

$\begin{figure} \par\includegraphics[width=8.7cm,clip]{H4613F1.ps} \end{figure}$	Figure 1: Initial configuration: temperature, T( left), and particle density, $\rho$ ( right), along the loop with a total length of 10 Mm.
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$\begin{figure} \par\includegraphics[width=16.8cm,clip]{H4613F2.ps} \end{figure}$	Figure 2: Temporal evolution of temperature ( left), velocity ( center), and density ( right) along the loop. The heating rate for the loop shown is characterized by $F_{{\rm m0}}=150$ W m^-2 and a scale height of $H_{\rm m}=1.25$ Mm.
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$\begin{figure} \includegraphics[width=7.8cm,clip]{H4613F3.ps} \end{figure}$	Figure 3: Energy balance at the loop apex for a damping length of $H_{\rm m}=1.25$ Mm. From top to bottom: electron density, $n_{\rm e}$ , mechanical heating per particle, radiative losses per particle, the sum $(Q_{\rm m} - L_{\rm rad} - p\nabla v - \nabla F_{\rm c})$ per particle (negative values mean that the loop apex is losing energy), and the temperature at the loop top.
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$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F4.ps} \end{figure}$	Figure 4: The mechanical heating function, $Q_{\rm m} (z)$ , plotted for different values of $H_{\rm m}$ . Dashed line: $H_{\rm m} = 1.5$ Mm, solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm, long-dashed line: $H_{\rm m} = 0.5$ Mm.
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$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F5.ps} \end{figure}$	Figure 5: The influence of the damping length, $H_{\rm m}$ , on the thermal evolution of the loop. Dashed line: $H_{\rm m} = 1.5$ Mm, solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm, long-dashed line: $H_{\rm m} = 0.5$ Mm.
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$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F6.ps} \end{figure}$	Figure 6: Temperature profiles of different loops at the time when a condensation region has formed. Solid line: $H_{\rm m}=1.25$ Mm, dotted line: $H_{\rm m} = 1.0$ Mm, dash-dotted line: $H_{\rm m} = 0.75$ Mm.
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$\begin{figure} \includegraphics[width=8.8cm,clip]{H4613F7.ps} \end{figure}$	Figure 7: Limit cycle of loop evolution for a damping length of $H_{\rm m} =$ 1.25 Mm ( dots) and $H_{\rm m} =$ 1.50 Mm ( open circles). The phases of evolution are indicated as follows: (0): initial cooling, (0 a) condensation, (0 b) simultaneous evolution of the hot part of the loop ( dashed line), (0) loop reheating and chromospheric evaporation.
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$\begin{figure} \par\includegraphics[width=8.8cm,clip]{H4613F8.ps} \end{figure}$	Figure 8: From left to right: space-time plot of the loop temperature and the corresponding variations of the lines of C 4 1548 Å, O 5 630 Å, O 6 1032 Å for a damping length of $H_{\rm m}=1.25$ Mm.
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