The paper investigates the influence of accretion heating and turbulent heat conduction on the equilibrium of protoplanetary disks, extending the 2D axisymmetric passive disk model of Flock. The model includes dust sublimation and radiative transfer with the flux-limited diffusion approximation, and predicts the density and temperature profiles as well as the dust-to-gas ratio of the disk. It is shown that the accretion heating can have a large impact: for accretion rates above 5 . 10(-8) M-circle dot yr(-1) a zone forms behind the silicate condensation front with sufficiently high temperature to sublimate the dust and form a gaseous cavity. Assuming a Prandtl number similar to 0.7, it is furthermore shown that the turbulent heat conduction cannot be neglected in the evaluation of the temperature profile. While the inner rim position is not affected by viscous heating, the dead zone edge shifts radially outward for higher accretion rates.
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Univ Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USAUniv Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USA
Balbus, SA
;
Hawley, JF
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Univ Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USAUniv Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USA
机构:
CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
Univ Paris 07, CEA Saclay, Irfu, Lab AIM,CEA,DSM,CNRS,Serv Astrophys, F-91191 Gif sur Yvette, FranceCALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
Flock, M.
;
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Fromang, S.
;
Turner, N. J.
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CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USACALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
机构:
CEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Flock, M.
;
Fromang, S.
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CEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Fromang, S.
;
Gonzalez, M.
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Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Sorbonne Paris Cite,AIM,UMR 7158, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Gonzalez, M.
;
Commercon, B.
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Ecole Normale Super, CNRS, Lab Radioastron, UMR 8112, F-75231 Paris 05, France
Observ Paris, F-75231 Paris 05, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
机构:
Univ Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USAUniv Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USA
Balbus, SA
;
Hawley, JF
论文数: 0引用数: 0
h-index: 0
机构:
Univ Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USAUniv Virginia, Dept Astron, Virginia Inst Theoret Astron, Charlottesville, VA 22903 USA
机构:
CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
Univ Paris 07, CEA Saclay, Irfu, Lab AIM,CEA,DSM,CNRS,Serv Astrophys, F-91191 Gif sur Yvette, FranceCALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
Flock, M.
;
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h-index:
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Fromang, S.
;
Turner, N. J.
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USACALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
机构:
CEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Flock, M.
;
Fromang, S.
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h-index: 0
机构:
CEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Fromang, S.
;
Gonzalez, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Paris Diderot, CEA, CNRS, Ctr Saclay,UMR AIM, F-91191 Gif Sur Yvette, France
Univ Paris Diderot, CEA, CNRS, Sorbonne Paris Cite,AIM,UMR 7158, F-91191 Gif Sur Yvette, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France
Gonzalez, M.
;
Commercon, B.
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Normale Super, CNRS, Lab Radioastron, UMR 8112, F-75231 Paris 05, France
Observ Paris, F-75231 Paris 05, FranceCEA, Irfu, SAp, Ctr Saclay, F-91191 Gif Sur Yvette, France