subject: How Heat Transfer Works [print this page] Heat pipe technology is primarily made use of for heat transfer. Heat pipes are tools that are made use of to move heat from one point to another without making use of external power sources. Heat pipes are sealed tubes that are partly filled with fluids that work and assist the heat transfer procedure.
Heat is energy being transferred from objects of different temperatures. Heat transfers from an item with a higher temperature to an item of lower temperature. This is useful in controlling the temp of objects or the environment such as rooms and building structures. The temperature of a space can be raised when the weather condition outside is colder or lowered when the weather outside is warmer. There are three primary methods in how heat is moved. Heat can be transferred with conduction, radiation and convection.
Heat transfer by conduction takes place when heat is moved from one point of an object to another of the same object. Heat moves through the molecules of the object, causing molecular agitation and providing the object a rise of internal energy. Heat applied to one end of an object at a greater temperature will always travel to the end that is colder. Whenever we feel cool, we search for something warm to touch or hold so we can feel warmer.
Heat transfer by radiation occurs when electromagnetic waves are given off by an object and carry heat away from it. Samples of electromagnetic waves are gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation, terahertz radiation, microwaves and radio waves. Radiation carries energy and becomes heat when it has contact with an object. For instance, when sunlight touches a vehicle, the automobile eventually comes to be hot. Food gets heated when put in a microwave. People get sunburned with too much direct exposure to ultraviolet radiation of the sunlight.
Heat transfer by convection happens between materials that are not in contact with each other through movement of air and water when they move away from the source of the heat and carrying the energy with it. We can see this when hot air rises from fires or hot objects. An example of the usage of convection might be hot air balloons. The hot air rises, comes to be less heavy and increases, as a result expanding the balloon and lifting it up.
Heat transfer through heat pipe technology is utilized mostly in HVAC systems to control the temperature and humidity in buildings. Heat pipe advantages feature more effective heat transfers and heat recovery in HVAC systems in buildings while saving energy and reducing energy costs.
