Physics
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982soph...79..333w&link_type=abstract
Solar Physics, vol. 79, Aug. 1982, p. 333-341.
Physics
3
Cooling, Coronal Loops, Enthalpy, Hydrostatics, Solar Corona, Solar Flares, Scaling Laws, Solar Flux, Solar Temperature, Temperature Profiles
Scientific paper
Models of the solar corona which include the effects of hot downflowing material are considered. Temperature-height profiles of the quiet and flaring corona are derived, under the assumptions of hydrostatic equilibrium and that the dominant cause of transition region heating is the enthalpy of the downflowing matter. In addition, scaling laws for the lengths of coronal loops are derived. It is found that inclusion of the downward enthalpy flux leads to a loop scaling law for quiet sun loops which does not differ appreciably from that of Rosner et al. (1978). However, inclusion of the effects of enthalpy flux leads to a scaling law for compact flare loops, which predicts much smaller loop sizes than expected from the quiet sun loop law; these predicted lengths, however, are in agreement with the observed small sizes of compact flare loops.
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