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Chromalox incorporated in 1917, with the company's first order for a strip heater used in a product that became the modern household clothes iron. The product had the word "chrome" stamped on the strip heater and used a cement mix to "lock" in the heating element, hence the name "Chromalox."
Examples for tube bundles of shell-and-tube heat exchangers To be able to transfer heat well, the tube material should have good thermal conductivity . Because heat is transferred from a hot to a cold side through the tubes, there is a temperature difference through the width of the tubes.
A radiant superheater is placed directly in the radiant zone of the combustion chamber near the water wall so as to absorb heat by radiation. A convection superheater is located in the convective zone of the furnace, in the path of the hot flue gases, usually ahead of an economizer.
Baffle Design: baffles are used in shell and tube heat exchangers to direct fluid across the tube bundle. They run perpendicularly to the shell and hold the bundle, preventing the tubes from sagging over a long length. They can also prevent the tubes from vibrating. The most common type of baffle is the segmental baffle.
The instructions advise that the heater should rest against a "rock or something" The flameless ration heater is issued in a plastic bag with instructions printed on it. Inside the bag is a small quantity of metallic powders, which does the actual heating. To heat a meal, the bag is first torn open, and a sealed food pouch is placed inside.
Modular HRSG. A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream.
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