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The heat energy is emitted from a warm element, such as a floor, wall or overhead panel, and warms people and other objects in rooms rather than directly heating the air. The internal air temperature for radiant heated buildings may be lower than for a conventionally heated building to achieve the same level of body comfort, when adjusted so ...
In his 3m cubed test room with a 1 x 0.5 m radiator and walls of average U value 0.44 W/m 2 K, he found that for a radiator temperature of 43 °C the heat flux through the wall behind the radiator reduced from 7.1 to 3.1 W/m 2. Note that the average heat loss in the room was not reduced by such a large percentage as only part of the surface of ...
A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
In a steam heating system, each room is equipped with a radiator which is connected to a source of low-pressure steam (a boiler). Steam entering the radiator condenses and gives up its latent heat, returning to liquid water. The radiator in turn heats the air of the room, and provides some direct radiant heat. The condensate water returns to ...
Heaters are appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating . Such a system contains a boiler , furnace , or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building.
Oil heaters have been known to explode when their thermal fuses fail to trigger a shutdown, [4] which can cause fire, thick black smoke, unpleasant odors, oil on walls and other surfaces, and disfiguring scalding. Some companies offer oil heaters with a fan to increase the quality of airflow over the heater.