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Fig. 8.

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A column of the coronal hole simulation where a wave front develops into a shock. x-axes show simulation time in minutes, and y-axes show height above the surface in Mm. Panel (a) shows vertical velocity, (b) shows temperature, and (e) and (f) show the viscous and Ohmic (or Joule) volumetric dissipation coefficients. The lines of panels (c) and (d) are the volumetric dissipation coefficients integrated over the 5 grid points constituting the computational stencil of the shock front. The solid lines in panels (a), (b), (c), and (d) show the location of the shock front. The dashed and dash-dotted magenta lines in panel (a) traces particles travelling with the local fast-mode and sound speed cs respectively.

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