Tracking Dusty Cloud Crushed by a Hot Flow

The destructionof clouds by strong shocks and hot winds is the key process responsible for the transporting of metals and dust from the ISM to the ICM/IGM, and establishing the multiphase structure in and around galaxies. In this work, we perform a detailed analysis of this process using two differe...

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Veröffentlicht in:Universe (Basel) 2024-04, Vol.10 (4), p.155
Hauptverfasser: Dedikov, Svyatoslav, Vasiliev, Evgenii
Format: Artikel
Sprache:eng
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Zusammenfassung:The destructionof clouds by strong shocks and hot winds is the key process responsible for the transporting of metals and dust from the ISM to the ICM/IGM, and establishing the multiphase structure in and around galaxies. In this work, we perform a detailed analysis of this process using two different approaches for tracking the cloud material (gas and dust): the so-called ‘colored’ fluid, and the Lagrangian (trace) particles. We find that for the clouds in the hot phase (T>105 K), the two methods produce significantly different mass fractions and velocities of the cloud material. In contrast, the two methods produce similar results for the clouds that are in the warm/cold phases (T 0.1Zduetoeffectivegascooling.ThiscausesadelayinthedestructionofsuchcloudsthatareinteractingwiththehotICMflow.Wedemonstratethatthedustparticlesthatareevacuatedfromtheir‘parent’cloudstothehotmediumshowdifferentdynamicswhencomparedtothatoftheLagrangian(trace)particles.Ourresultsindicatethatthedustgrainssweptouttothehotgasaredestroyed.
ISSN:2218-1997
2218-1997
DOI:10.3390/universe10040155