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Courtesy of Department of Mechanical Engineering, Stanford University

Table 6-7c Properties of Superheated Steam and Compressed Water (Temperature and Pressure), SI Units. Source: Babcock & Wilcox

A boiler is a water-filled pressure vessel that, with the addition of heat, produces hot water or steam. Commonly, the term boiler refers to a system that transfers water into the pressure vessel, provides a source of controlled heat, and transfers resulting steam to a piping system for delivery to points of use. Boiler is sometimes used interchangeably with steam generator, although the latter is usually reserved for large industrial-type boilers. The term boiler may also refer specifically to the section of a steam generator in which water is evaporated. Functionally speaking, a boiler is a type of heat exchanger, a device used to transfer heat from one fluid to another. Water heaters or hot water boilers are systems that provide a temperature rise without evaporation.

Guide to Alternative Fuels

Guide to Alternative Fuels

Your Alternative Fuel Solution for Saving Money, Reducing Oil Dependency, and Helping the Planet. Ethanol is an alternative to gasoline. The use of ethanol has been demonstrated to reduce greenhouse emissions slightly as compared to gasoline. Through this ebook, you are going to learn what you will need to know why choosing an alternative fuel may benefit you and your future.

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