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

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Presentation on theme: "ISIMA: Astrophysical Applications of Radiation Transport Mark Krumholz (UC Santa Cruz)"— Presentation transcript:

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

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

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

4 Solution to Non- Radiating Shocks As :

5 Strongly Radiative Optically Thin Shock 

6 Cooling Shock Structure

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

8 Jump Conditions for Optically Thick Shocks with Radiation

9 Subcritical Radiative Shocks Non-radiativeRadiative subcritical

10 Taxonomy of Radiative Shocks SubcriticalCriticalSupercritical Radiation- dominated

11 Width of a Radiation- Dominated Shock

12 Example of a Radiative Shock

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

14 I-Front Jump Conditions 

15 Allowed Ionization Fronts

16 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

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

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

19 D-Type Similarity Solution Similarity solution:

20 Ionized Region with B Field


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