2021-8-3 · Rapidly rotating on an axis; whirling. 2013 March 1, Frank Fish, George Lauder, "Not Just Going with the Flow", in American Scientist[1], volume 101, number 2, page 114: An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in ...
2021-7-1 · The amount of money taken as sales transacted in a given period. The company had an annual turnover of $500,000.· The frequency with which stock is replaced after being used or sold, workers leave and are replaced, a property changes hands, etc. High staff-turnover can lead to low morale amongst employees Those apartments have a high turnover because ...
Meteor showers on Earth are caused by streams of meteoroids hitting our atmosphere. These meteoroids are sand- and pebble-sized bits of rock that were once released from their parent comet. Some comets are no longer active and are now called asteroids. This visualization shows these meteoroid streams orbiting the Sun, some stretching to the ...
The gyratory crusher shown in Figure 2.6 employs a crushing head, in the form of a truncated cone, mounted on a shaft, the upper end of which is held in a flexible bearing, whilst the lower end is driven eccentrically so as to describe a circle. The crushing action takes place round the whole of the cone and, since the maximum movement is at the bottom, the characteristics of the machine are ...