Common Envelope Wind Tunnel: Coefficients of Drag and Accretion in a Simplified Context for Studying Flows around Objects Embedded within Stellar Envelopes

This paper examines the properties of flows around objects embedded within common envelopes in the simplified context of a "wind tunnel." We establish characteristic relationships between key common envelope flow parameters like the Mach number and density scale height. Our wind tunnel is...

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Veröffentlicht in:	The Astrophysical journal 2017-03, Vol.838 (1), p.56
Hauptverfasser:	MacLeod, Morgan, Antoni, Andrea, Murguia-Berthier, Ariadna, Macias, Phillip, Ramirez-Ruiz, Enrico
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion Astrophysics ASTROPHYSICS, COSMOLOGY AND ASTRONOMY binaries (including multiple): close Cartesian coordinates Coefficients Compressibility COMPRESSIBLE FLOW COMPUTERIZED SIMULATION DENSITY Density gradients Deposition Drag FRICTION Friction drag GRAVITATION HYDRODYNAMICS Ideal gas INTERACTIONS MACH NUMBER methods: numerical Scale height STARS stars: interiors Stellar envelopes Stellar winds THREE-DIMENSIONAL CALCULATIONS Time TRANSIENTS Wind tunnels
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