Significant Functions Of Fluids In The Form Of A Spray
by Haywood Hunter
Although most people are familiar with the idea of a spray, it is perhaps less well understood exactly what a spray is. The definition of a spray is a collection of droplets dispersed in a gas. When someone sprays, for example, an aerosol can of deodorant, liquid stored inside the can is scattered as a cloud of fine drops in the air. It can be seen how this fits together with the definition of a spray.
In the illustration given, the deodorant droplets were scattered in the air. Sprays can also be contained within other gaseous mediums, though. One demonstration of this is where chemicals are sprayed into the gasses produced in power plants, to remove pollutants.
The name given to the act of turning a liquid into a spray is atomization. Despite the implication, this does not mean that the fluid is actually dispersed as lone atoms, but instead simply as minute liquid globules. By looking at some of the many applications sprays have, some of the more useful properties will be revealed. Because of the great variety of functions for sprays, only a few notable cases will be looked at.
Use of sprays is widespread in the manufacturing of food and beverages. Fresh grown foods are washed with sprays, and many ingredients are added in the form of a spray. The accuracy of a spray is ideal in cases like where spice must be added. Add too much and the result will put many people off, but get it just right and it adds a pleasant kick. This same accuracy allows great control over how additives are applied, ensuring that nowhere is missed out.
Another huge application for sprays within the food and drinks industry involves the process of spray drying. This is the technique used for creating such ubiquitous products as instant coffee, powdered milk, spices, colorings and many others. Because spraying turns a liquid into many tiny particles, these can be dried very quickly in warm air.
Although spray drying is not well known outside the manufacturing industry, a more familiar spray process is that of spray painting. Most people know of the simple and common cans of spray paint, but there are also more clever applications of spray painting. One such use involves giving the paint an electric charge, while the object being painted is made to attract the paint by giving it the opposite charge. Often this electrostatic spray painting provides superior results to painting with a brush, as it can be impossible to access certain areas with a brush.
Arguably one of the most significant of all uses of sprays is the way they are utilized in engines. In many engines, the fuel is turned into a spray directly before it is ignited, creating tiny, easily ignited drops of fuel mixed evenly with air, a very desirable combination. This principle is widely applied in jet, diesel, rocket and petrol engines, as well as in steam boilers.
Although many people do not have a full understanding of what a spray is, the fact that sprays are used in power generation, familiar items such as deodorants and spray paint, food production, and in running some of our most important forms of transportation, shows how important they can be.
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New Unique Article!
Title: Significant Functions Of Fluids In The Form Of A Spray
Author: Haywood Hunter
Email: slchats@aol.com
Keywords: skin care,beauty,sunless tanning,tanning,health issues,general health,cosmetics,skin,bronze,natural
Word Count: 543
Category: Health & Fitness
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