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Diagram showing displacement of the Sun's image at sunrise and sunset Comparison of inferior and superior mirages due to differing air refractive indices, n. Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. [1]
Thermal fuses are usually found in heat-producing electrical appliances such as coffeemakers and hair dryers. They function as safety devices to disconnect the current to the heating element in case of a malfunction (such as a defective thermostat) that would otherwise allow the temperature to rise to dangerous levels, possibly starting a fire.
Hot Stove is an offseason baseball talk show that airs on MLB Network and is simulcast on MLB Network Radio. The show offers the coverage of offseason activities including trades, free agent signings, and rumors. It is taped live in "Studio K" of the MLB Network studios in Secaucus, New Jersey.
Thermoelectric generators are used in stove fans. They are put on top of a wood or coal burning stove. The TEG is sandwiched between 2 heat sinks and the difference in temperature will power a slow-moving fan that helps circulate the stove's heat into the room. [43]
Heat lightning (not to be confused with dry thunderstorms, which are also often called dry lightning) is a misnomer [1] used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder.
Heat haze, also called heat shimmer, refers to the inferior mirage observed when viewing objects through a mass of heated air. Common instances when heat haze occurs include images of objects viewed across asphalt concrete (also known as tarmac ), roads and over masonry rooftops on hot days, above and behind fire (as in burning candles , patio ...
A stove fan is a fan which is placed on top of a heating stove to circulate air and improve efficiency. They are typically powered by the heat of the stove itself, mostly using a thermoelectric generator [1] but sometimes a Stirling engine.
In thermodynamics, the Joule–Thomson effect (also known as the Joule–Kelvin effect or Kelvin–Joule effect) describes the temperature change of a real gas or liquid (as differentiated from an ideal gas) when it is expanding; typically caused by the pressure loss from flow through a valve or porous plug while keeping it insulated so that no heat is exchanged with the environment.