The basic features of dusty plasmas, particularly basic characteristics of dust in a plasma, and typical dusty plasma parameters for different space and laboratory plasma conditions, are presented. The complexity and the diversity of the field of dusty plasma physics are briefly discussed. Theoretical and experimental discoveries of linear and nonlinear features of waves, particularly dust-ion-...

A dusty plasma is an ionized gas containing dust particles, with sizes ranging from tens of nanometers to hundreds of microns. The interaction of the dust particles with the plasma and ambient environment results in a charging of the dust grains. This Chapter summarizes our basic knowledge of dusty plasmas with applications in space, industry and the laboratory. The Introduction (Section 1) pro...

Raw cotton is brought to the Lancashire spinning mills in tightly compressed bales. The bales are opened and teased out in the cotton-room. The cotton is then conveyed to the blow-room where some of the dirt and short fibres are removed. In the card-room the cotton is combed by the wire teeth of the carding engines and passed through a series of machines called combers,* draw, slubbing, interme...

One day in 1991, I took a dusty, bumpy jeep ride between two multi-ethnic townships in the hilly border country between Sichuan and Yunnan. With me in the jeep was an official of the Nationalities Commission, the Chinese government agency of the in charge of minority affairs. Since we had just been visiting an area where four different ethnic groups lived together, he struck up a conversation a...

Website: www.jaim.in “All men dream but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to fi nd that it was vanity; but the dreamers of the day are dangerous men, for they may act their dream with open eyes to make it possible.” This quote by a British writer is very true of Vaidyachudamani Madhav Vasudev Kolhatkar, because his vision for Ayurveda and...

Dusty tori around active galactic nuclei (AGNs) play an important role in the classification of Seyfert galaxies. (Antonucci & Miller 1985; see also Antonucci 1993 for a review). Seyfert galaxies observed from a face-on view of the torus are recognized as type 1 Seyferts (S1s) while those observed from an edge-on view are recognized as type 2 Seyferts (S2s). Therefore, physical properties of du...

Dusty gas flow through isotropic porous media is considered. The equations governing dusty gas flow through free space are intrinsically averaged in order to derive a comprehensive model that describes flow of a dusty gas through porous media. The developed model is capable of describing flow of mixtures with non-uniform number density through variable porosity media, while taking into account ...

We describe a rotating-drum dust-dispersal device, which we have used, in conjunction with an existing Q machine, to produce extended, steady state, magnetized plasma columns. The dusty plasma device (DPD) is to be used for the investigation of waves in dusty plasmas and of other plasma/dust aspects. The device is capable of generating dusty plasmas in which as much as -90% of the negative char...

the moisture flux convergence (mfc) and relative humidity in dusty days at different times and levels over the alvand mountain was investigated. the required basic data for the years 2009-2012, including relative humidity, visibility and synoptic codes, were gathered from hamadan synoptic station, while sea level pressure, uwind, vwind and specific humidity data were gathered from ncer/ncar sit...