English
Related papers

Related papers: Hydrodynamical Simulations of Jet- and Wind-driven…

200 papers

Short abstract: We present fully 3-D simulations of supersonic, radiatively cooling intermittent jets with intermediate and long variability periods (that is, periods of the order of or longer than, the dynamical time scale of the jet).…

Astrophysics · Physics 2009-10-22 E. M. de Gouveia Dal Pino , W. Benz

Various hydrodynamic models of the heliospheric interface have been presented meanwhile, numerically simulating the interaction of the solar wind plasma bubble with the counterstreaming partially ionized interstellar medium. In these model…

Astrophysics · Physics 2009-11-10 H. J. Fahr , M. Bzowski

We report the results of a series of AMR radiation-hydrodynamic simulations of the collapse of massive star forming clouds using the ORION code. These simulations are the first to include the feedback effects protostellar outflows, as well…

Solar and Stellar Astrophysics · Physics 2015-05-27 Andrew J. Cunningham , Richard I. Klein , Mark R. Krumholz , Christopher F. McKee

Protoplanetary disks are the sites of vigorous hydrodynamic processes, such as accretion and outflows, and ultimately establish the conditions for the formation of planets. The properties of disk outflows are often inferred through analysis…

Solar and Stellar Astrophysics · Physics 2024-03-18 Ahmad Nemer , ChangHoon Hahn , Jiaxuan Li , Peter Melchior , Jeremy Goodman

The giant jets represent a fundamental trace of the historical evolution of the outflow activity over timescales which are comparable to the accretion time of the outflow sources in their main protostellar phase. The study of such huge jets…

Astrophysics · Physics 2009-11-07 E. Masciadri , E. M. de Gouveia Dal Pino , A. C. Raga , A. Noriega-Crespo

With the growing number of wind farms over the last decades and the availability of large datasets, research in wind-farm flow modeling - one of the key components in optimizing the design and operation of wind farms - is shifting towards…

Fluid Dynamics · Physics 2023-04-06 Navid Zehtabiyan-Rezaie , Alexandros Iosifidis , Mahdi Abkar

Context. The observed physical properties of outflows from low-mass sources put constraints on possible ejection mechanisms. Historically, these quantities have been derived from CO using ground-based observations. It is thus important to…

Astrophysics of Galaxies · Physics 2015-06-15 P. Bjerkeli , R. Liseau , B. Nisini , M. Tafalla , P. Bergman , G. Melnick , G. Rydbeck

Stars and their winds can contribute to the non-thermal (NT) emission in extragalactic jets. Given the complexity of jet-star interactions, the properties of the resulting emission are strongly linked to those of the emitting flows. We…

High Energy Astrophysical Phenomena · Physics 2016-11-16 Víctor M. de la Cita , Valentí Bosch-Ramon , Xavier Paredes-Fortuny , Dmitry Khangulyan , Manel Perucho

This study presents a comprehensive computational investigation of outwash phenomena generated by electric vertical takeoff and landing (eVTOL) aircraft, with particular emphasis on how rotor geometry and alignment shape hazardous airflow…

Fluid Dynamics · Physics 2025-12-01 Yen-Chen Chen , Chih-Che Chueh

We conduct three-dimensional hydrodynamical simulations of two opposite jets launched from a binary stellar system into a previously ejected shell and show that the interaction can form barrel-like and H-like shapes in the descendant…

Solar and Stellar Astrophysics · Physics 2018-01-24 Muhammad Akashi , Ealeal Bear , Noam Soker.

A three-dimensional round liquid jet within a low-speed coaxial gas flow is numerically simulated and explained via vortex dynamics ($\lambda_2$ method). The instabilities on the liquid-gas interface reflect well the vortex interactions…

Fluid Dynamics · Physics 2018-08-28 Arash Zandian , William A. Sirignano , Fazle Hussain

The emission of $\gamma$-rays in jets emanating from the vicinity of collapsed stellar remnants, in binary systems known as microquasars, is investigated using a three dimensional relativistic hydrocode (PLUTO), in combination with two…

High Energy Astrophysical Phenomena · Physics 2015-06-18 T. Smponias , T. S. Kosmas

A wind-driven model is a new framework to model observational properties of transients that are powered by continuous outflow from a central system. While it has been applied to Fast Blue Optical Transients (FBOTs), the applicability has…

High Energy Astrophysical Phenomena · Physics 2023-03-29 Kohki Uno , Keiichi Maeda

We review the main results from line-driven (LD) models of winds from accretion disks in cataclysmic variables (CVs). We consider LD disk wind models in the hydrodynamic (HD) and magnetohydrodynamic (MHD limits. We discuss the basic…

Astrophysics · Physics 2007-05-23 Daniel Proga

We present the first detection of spatially resolved protostellar outflows and jets in the outer Galaxy. We observed five star-forming regions in the outer Galaxy (Sh 2--283, NOMF05-16/19/23/63; galactocentric distance = 15.7--17.4 kpc)…

The combination of ALMA submillimeter and JWST/MIRI mid-infrared observations offers a transformative view of protostellar jets and outflows by probing cold and warm gas components across diverse physical conditions. We present a detailed…

Astrophysics of Galaxies · Physics 2025-09-16 Somnath Dutta

Relativistic jets can interact with the ambient gas distribution of the host galaxy, before breaking out to larger scales. In the past decade several studies have simulated jet-driven outflows to understand how they affect the nearby…

Astrophysics of Galaxies · Physics 2022-01-05 Dipanjan Mukherjee , Geoffrey V. Bicknell , Alexander Y. Wagner

Photoevaporation is an important dispersal mechanism for protoplanetary disks. We conduct hydrodynamic simulations coupled with ray-tracing radiative transfer and consistent thermochemistry to study photoevaporative winds driven by…

Earth and Planetary Astrophysics · Physics 2017-09-20 Lile Wang , Jeremy J. Goodman

Essentially all low-mass X-ray binaries (LMXBs) in the soft state appear to drive powerful equatorial disc winds. A simple mechanism for driving such outflows involves X-ray heating of the top of the disc atmosphere to the Compton…

High Energy Astrophysical Phenomena · Physics 2018-07-04 Nick Higginbottom , Christian Knigge , Knox S. Long , James H. Matthews , Stuart A. Sim , Henrietta A. Hewitt

There are now several types of relativistic flows in astrophysical settings. The foremost examples are jets and disks orbiting spinning black holes, pulsar winds and gamma ray bursts. As discussed at this meeting, these flows exhibit…

Astrophysics · Physics 2007-05-23 R. D. Blandford