isima: astrophysical applications of radiation transport mark krumholz (uc santa cruz)
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ISIMA: Astrophysical Applications of Radiation
Transport
Mark Krumholz
(UC Santa Cruz)
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Simple Nonmagnetic Shocks
1, T1 2, T2
u1 u2
Upstream Downstream
Shock front
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Non-radiating ShockJump Conditions
Mass conservation
Momentum conservation
Energy conservation
Equation of state
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Solution to Non-Radiating Shocks
As :
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Strongly Radiative Optically Thin Shock
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Cooling Shock Structure
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Structure of a Molecular Cloud
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Pipe Nebula (Lombardi, Alves, & Lada 2006) -- opticalPipe Nebula (Lombardi, Alves, & Lada 2006) -- extinction
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Jump Conditions for Optically Thick Shocks with Radiation
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Subcritical Radiative ShocksNon-radiative Radiative subcritical
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Taxonomy ofRadiative Shocks
Subcritical Critical SupercriticalRadiation-dominated
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Width of a Radiation-Dominated Shock
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Example of a Radiative Shock
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Ionization Fronts
1, T1 2, T2
u1 u2
Upstream / neutral
Downstream / ionized
Ionization front
J
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I-Front Jump Conditions
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Allowed Ionization Fronts
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Ionization + Shock Fronts
1, T1 2, T2
u1 u2
Shocked / neutral
Downstream / ionized
Ionization front
J
0, T0
u0
Upstream / neutral
Shock front
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Spherical I-Front in Uniform Medium: R-Phase
Q0
Ionized
Neutral
RS
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Spherical I-Front in Uniform Medium: D-Phase
Q0
Ionized
Neutral
Ri
Dense shell
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D-Type Similarity Solution
Similarity solution:
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Ionized Region with B Field
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