Rates of fluvio-thermal erosion on Mars

Details Rates of fluvio-thermal erosion on Mars Rates of fluvio-thermal erosion on Mars

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24....5a&link_type=abstract

In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 5-6 (SEE N94-12015 01-91)

Mathematics

Ablation, Channels, Erosion, Mars Surface, Mathematical Models, Planetary Geology, Rates (Per Time), Recession, Surface Temperature, Water Erosion, Water Flow, Estimates, Heat Flux, Heat Transfer Coefficients, Ice, Melting, Temperature Effects

Scientific paper

In order to get some ideas about the order of magnitude of fluvio-thermal recession rate, a mathematical thermal model for Martian outflow channels is proposed. This model corresponds to a system undergoing a permanent thermal regime where the surface temperature is constant and equal to the phase change temperature (due to the immediate removal of melted materials). This is an ablation model. For its application, estimations of the heat transfer coefficient h and thermal flux q are necessary. Determination of these coefficients needs the calculation of dimensionless numbers (Reynolds, Prandtl, and Nusselt), and the consideration of turbulent regime of the flow.

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