The universe is a vast space that comprises of exclusive physical systems. Also called thermodynamic system Taysom Hill Jersey , a physical system enables exchanges of work, heat, or matter across it to produce, maintain Cheap Chauncey Gardner-Johnson Jersey , or reduce energy. The space engulfing the system, called surroundings or environment, may also alter the exchanges of elements in the system. Any machine or equipment is a good example of a thermodynamic system. Exchanges of elements occur to produce a desired outcome.
The boiler is a machine that best utilizes the concepts of thermodynamics. Its main role is to boil water and use it to distribute heat all over the system. It needs combustion or any heat source adequate to give the necessary heat to meet the system's demand. The machine itself or the elements in it do not directly consist of the system but the properties of those elements that make the exchanges possible. For example, the differences in water temperature when going through tubes affect the efficiency of a boiler.
The total energy being dispersed and shared all around the system is called enthalpy. Because of the environment Cheap Erik McCoy Jersey , not all the enthalpy in a system can be utilized. A notable part of it is wasted. To improve the efficiency of a system, such as the boiler, enthalpy must be conserved. In a boiler, performance is measured by the volume of water heated with respect to the quantity of fuel at a specified timeframe. If the heat formed through combustion boils the water filled in the boiler longer than the expected time New Orleans Saints Jerseys For Sale , then the system is weak.
As a result, the only way to improve the functionality in a boiler is to speed up heating the same volume of water using the equal amount of fuel. At first, it looks unattainable since an increase in heat is expected without altering the properties of any element present in the system. Unless an additional element is utilized, there is no chance of changing any rate. This is the reason why boiler designs today already consist of a heat reclaimer or economizer.
An economizer in boiler is not necessarily a foreign element that comes from the environment of a boiler system. It is an additional component that works to preheat water before being delivered in the boiler. That way Saints Jerseys For Sale , the water is partly or already substantially heated before being actually heated in the boiler, thereby reducing fuel consumption.
A Boiler economizer does not utilize heat from the environment. It pulls in the wasted steam and uses its enthalpy to preheat the water. Such a device reduces not only the fuel consumption, but also the waste production.
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Don't Sacrifice Usability for Beauty in your Website Design
Posted On : Apr-07-2011 | seen (242) times | Article Word Count : 544 |
It's crucial that web design teams understand bounce rates are rising as rapidly as time-on-sites decrease around the globe. The human brain is amazingly adaptable and as our bandwidth gets faster Cheap New Orleans Saints Jerseys , our attention spans get shorter. The widely accepted rule of 'form follows function' has a minor adjustment when it comes to web design where 'function' is the usability of a website design 鈥?that is, the ease of use and comfortable navigation applied to a site in order to achieve the user's goals. Don't forget who the user is: your audience, the visitors to the site, not you.
The problem with so many website designs these days is the fact that they ignore ease-of-use for looks. Sure Cheap Saints Jerseys , it's a tough balance, but it's still not impossible and it's definitely a goal to strive toward. What doesn't work are these web design problems:
Navigation issues are common with highly artistic and beautiful website designs, and that's fine if you are trying to play a game with your users Cheap Terron Armstead Jersey , but if they can never guess what to click to access other objects on your site 鈥?the content, information, contact info, etc. 鈥?they'll tire quickly and wander away.