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Unformatted text preview: surface than the fire tube boiler-State of art for big power plants-We need a lot of steam to use it $1650 per kilowatt of capacity 1000-megawatt plant $1650000000 to build a new plant How is heat transferred? 1) Conduction-occurs through solid materials by vibrations of atoms and molecules 2) Convection-occurs through movement of a hot fluid (liquid or gas)-usually air 3) Radiation- occurs through electromagnetic radiation Any object that is hotter than its environment will radiate energy to the environment-Radiation depends on: 1) The temperature difference 2) The nature of the surface that is radiating Infrared Light to Visible light to Ultraviolet light to X-rays to Cosmic Rays...
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- Fall '06
- Electromagnetic spectrum, HEAT TRANSFER SURFACE, $1650, $1650000000, 1000-megawatt