ISIMA: Astrophysical Applications of Radiation Transport Mark Krumholz (UC Santa Cruz)

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Presentation transcript:

ISIMA: Astrophysical Applications of Radiation Transport Mark Krumholz (UC Santa Cruz)

Simple Nonmagnetic Shocks  1, T 1  2, T 2 u1u1 u2u2 UpstreamDownstream Shock front

Non-radiating Shock Jump Conditions Mass conservation Momentum conservation Energy conservation Equation of state

Solution to Non- Radiating Shocks As :

Strongly Radiative Optically Thin Shock 

Cooling Shock Structure

Structure of a Molecular Cloud Pipe Nebula (Lombardi, Alves, & Lada 2006) -- opticalPipe Nebula (Lombardi, Alves, & Lada 2006) -- extinction

Jump Conditions for Optically Thick Shocks with Radiation

Subcritical Radiative Shocks Non-radiativeRadiative subcritical

Taxonomy of Radiative Shocks SubcriticalCriticalSupercritical Radiation- dominated

Width of a Radiation- Dominated Shock

Example of a Radiative Shock

Ionization Fronts  1, T 1  2, T 2 u1u1 u2u2 Upstream / neutral Downstream / ionized Ionization front J

I-Front Jump Conditions 

Allowed Ionization Fronts

Ionization + Shock Fronts  1, T 1  2, T 2 u1u1 u2u2 Shocked / neutral Downstream / ionized Ionization front J  0, T 0 u0u0 Upstream / neutral Shock front

Spherical I-Front in Uniform Medium: R-Phase Q0Q0 Ionized Neutral RSRS

Spherical I-Front in Uniform Medium: D-Phase Q0Q0 Ionized Neutral RiRi Dense shell

D-Type Similarity Solution Similarity solution:

Ionized Region with B Field

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