Different Methods For Transfer Energy From One Source

Introduction: Conduction, Convection and Radiation are three different methods to transfer energy from one source, such as an object, to another. The method of conduction takes place when atoms or molecules move at a higher speed after heat is absorbed at the surface. In doing this, the particles bump into each other, transferring their energy. This allows heat energy to be passed through the object until the heat source is removed. Convection is the flow of molecules or atoms through a fluid state such as liquid or gas. When heat is added, the molecules that are closest to the source get hotter and are pushed to the top forcing the cooler molecules to the bottom to then repeat the process. Radiation is the transfer of energy through waves, which can be transferred through solids, liquids and gases. This process does not have a need for particles for energy to pass through. Insulators are used to stop or reduce the transfer of heat energy via conduction, convection or radiation. Insulators to prev ent conduction contain many air pockets. Solid materials are often used to reduce convection and reflective insulators are used in the reflection of radiation. Infrared radiation is a form of electromagnetic radiation that has a greater wavelength than visible light. Although infrared can’t be seen to the human eye it can be felt as heat energy. All objects eject and absorb infrared radiation, but at different rates. An object with a higher temperature ejects more heat than anShow MoreRelatedThe Effect Of Heat Transfer On The Sun Essay1640 Words   |  7 Pagesthey are the methods by which heat is transferred. Scientists have stated that heat transfer is the exchange of thermal energy between physical systems. The rate at which heat is transferred occurs is dependent upon the temperature of the system and properties of the medium where the heat is transferred. 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