Laboratory studies of gas-dust jet formation on cometary nucleus surface

Ibadinov, Kh. I.; Rahmonov, A. A.

doi:10.1016/s0273-1177(02)00013-3

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…In a highly active comet, all of the overlaying dust may be blown off the surface, but for most comets, some of the dust will remain behind, building up over time to form the insulating mantle. As the gas flow is restricted (as little as 1 cm of mantle can reduce emission by a factor of 10 Ibadinov, 1999;Ibadinov and Rahmonov, 2002;Skorov et al, 2002)), even more dust will remain behind, further cutting of the activity. This is a self-limiting process, because eventually the layer gets thick enough to shut off activity altogether.…”

Section: Evidence For Mantles and Active Areas On Cometsmentioning

confidence: 99%

Coma morphology of Jupiter-family comets

Farnham

2009

Planetary and Space Science

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We present a general review of cometary coma morphology, with specific reference to how it used in studies of Jupiter family comets. We introduce the most common features that are seen in gas and dust observations, and summarize of how they are used to infer the properties of the nucleus and coma. We also expand the discussion to cover other topics relating to morphology, including the general shape of the coma (characterized by radial gradient profiles) and spatial maps of the color, albedo and polarization of the dust. We address the pros and cons of the different approaches used in the interpretation and analysis of the features. Finally, we review the results obtained for specific comets and compare the Jupiter family comets to those from other classes.

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Section: Evidence For Mantles and Active Areas On Cometsmentioning

confidence: 99%

Coma morphology of Jupiter-family comets

Farnham

2009

Planetary and Space Science

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“…11 Devices for the injection of dust jets into a plasma are being developed for technological applications as well as for fundamental studies of dust-plasma interactions. 12,13 Experiments simulating the formation of gas-dust jets from comets have been performed, 14 and the feasibility of microparticle acceleration for micrometeoroid simulation 15 and space propulsion have also been studied. 16,17 …”

Section: Introductionmentioning

confidence: 99%

Dust jets produced by a dust-discharge instability

2010

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We report observations of an instability that occurs in a dc glow discharge ͑anodic plasma͒ dusty plasma when a floating plate with a 5 mm aperture is placed in front of the anode. The instability is characterized by periodic quenching and reignition of the discharge. When the discharge is quenched, the dust is ejected from the aperture at speeds on the order of the dust-acoustic speed. The ejected dust remains partially charged and retracts back to the aperture when the discharge spontaneously redevelops.

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Laboratory studies of gas-dust jet formation on cometary nucleus surface

Cited by 2 publications

References 9 publications

Coma morphology of Jupiter-family comets

Coma morphology of Jupiter-family comets

Dust jets produced by a dust-discharge instability

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