منابع مشابه
Orientation Effects on Bent Extragalactic Jets
We have investigated how varying several parameters affects the results of a collision between an extragalactic jet and a dense, intergalactic cloud, through a series of hydrodynamic simulations. We have produced synthetic radio images for comparison with observations. These show that a variety of structures may be produced from simple jet-cloud collisions. Moderate Mach numbers and density con...
متن کاملLarge bent jets in the inner region of CSSs
The class of Compact Steep-spectrum Sources is dominated by double-lobed objects (70%). The remaining 30% are jet-dominated objects, with the jet brightened either by Doppler boosting or by interaction with the ambient media. We show that there is both observational and statistical evidence in favour of an interaction between jets and dense gas clouds. Such an interaction should happen in the N...
متن کاملFormation of internal shock waves in bent jets
We discuss the circumstances under which the bending of a jet can generate an internal shock wave. The analysis is carried out for relativistic and non–relativistic astrophysical jets. The calculations are done by the method of characteristics for the case of steady simple waves. This generalises the non–relativistic treatment first used by Icke (1991). We show that it is possible to obtain an ...
متن کاملDesigning and Manufacturing the Multiple Jets Simulator and Experimental Investigation of the Multiple Jets in Crossflow
Designing and manufacturing the multiple jets simulator and experimental investigation of the multiple jets in crossflow at low velocity ratios have been studied Together with design and build a low-speed wind tunnel. A specific rake is used to determine the flow field pressure and changes in static pressure measured by pressure taps in the near field of the jets. There are generally three regi...
متن کاملWhat ignites optical jets ? ∗ †
The properties of radio galaxies and quasars with and without optical or X-ray jets are compared. The majority of jets from which high-frequency emission has been detected so far (13 with optical emission, 11 with X-rays, 13 with both) are associated with the most powerful radio sources at any given redshift. It is found that optical/X-ray jet sources are more strongly beamed than the average p...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 1996
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/283.2.673