Search results
Results from the WOW.Com Content Network
Superheated steam was widely used in main line steam locomotives. Saturated steam has three main disadvantages in a steam engine: it contains small droplets of water which have to be periodically drained from the cylinders; being precisely at the boiling point of water for the boiler pressure in use, it inevitably condenses to some extent in the steam pipes and cylinders outside the boiler ...
A steam explosion can occur in any kind of a water heater, where a sufficient amount of energy is delivered and the steam created exceeds the strength of the vessel. When the heat delivery is sufficiently rapid, a localized superheating can occur, resulting in a water hammer destroying the vessel.
Video of superheated water in a microwave explosively flash boiling, why it happens, and why it's dangerous. Bloomfield, Louis A. "A series of superheated water with oil film experiments done in the microwave by Louis A. Bloomfield, physics professor at the University of Virginia. Experiment #13 proceeds with surprising violence".
The steam thus produced is at the same temperature as the water below it. This is called saturated steam. If the steam is taken away from the boiler, in a pipe, and then further heat is applied to that steam, the steam can rise above the temperature of the water in the boiler. This heated-above-the-boiler-temperature steam is called "superheated".
Littoral explosion at Waikupanaha ocean entry at the big island of Hawaii was caused by the lava entering the ocean. A steam explosion is an explosion caused by violent boiling or flashing of water or ice into steam, occurring when water or ice is either superheated, rapidly heated by fine hot debris produced within it, or heated by the interaction of molten metals (as in a fuel–coolant ...
A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, in some steam engines, and in processes such as steam reforming. There are three types of superheaters: radiant, convection, and separately fired.
When steam has reached this equilibrium point, it is referred to as saturated steam. Superheated steam or live steam is steam at a temperature higher than its boiling point for the pressure, which only occurs when all liquid water has evaporated or has been removed from the system. [6]
It was then generally similar to the standard engines after they had been superheated, and it ran until 1947. [11] The last ten, Nos. 1452–61 built at Doncaster in 1910, had boilers producing superheated steam at 150 lbf/in 2 (1,000 kPa), and the cylinders were fed through piston valves. [12]