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- W4220977314 abstract "Heating by the central star is one of the key factors determining the physical structure of protoplanetary disks. Due to the large optical thickness in the radial direction, disk midplane regions are heated by the infrared radiation from the disk surface (atmosphere), which in turn is directly heated by the star. It was previously shown that interception of the stellar radiation by inhomogeneities on the disk surface can cause perturbations that propagate towards the star. In this work, we investigate the occurrence of such waves within a detailed 1+1D numerical model of the protoplanetary disk. We confirm the previous findings that in the disk, that is optically thick to its own radiation, the surface perturbations indeed occur and propagate towards the star. However, contrary to some analytical predictions, the thermal waves in sufficiently massive disks affect only the upper layers without significant fluctuations of temperature in the midplane. Our results indicate the need to study this instability within more consistent hydrodynamic models." @default.
- W4220977314 created "2022-04-03" @default.
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- W4220977314 date "2022-03-13" @default.
- W4220977314 modified "2023-09-29" @default.
- W4220977314 title "Simulations of thermal surface waves in a protoplanetary disk using 1+1D approximation" @default.
- W4220977314 doi "https://doi.org/10.31857/s000462992205005x" @default.
- W4220977314 hasPublicationYear "2022" @default.
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