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Chromospheric Heating: conduction fronts (II)

Velocities
Forbes et al. predict very small evaporative
flows: v ? 5 km/s
Recent numerical reconnection model of
Yokoyama & Shibata (1997) includes conduction
and yields evaporative upflows with speeds
~0.2 - 0.3 x the local sound speed: v ? 40 km/s

w = 9 x 104 km

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