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  2. Infrared heater - Wikipedia

    en.wikipedia.org/wiki/Infrared_heater

    There are two basic types of infrared radiant heaters. Luminous or high intensity; Radiant tube heaters; Radiant tube gas-fired heaters used for industrial and commercial building space heating burn natural gas or propane to heat a steel emitter tube. Gas passing through a control valve flows through a cup burner or a venturi. The combustion ...

  3. Rocket mass heater - Wikipedia

    en.wikipedia.org/wiki/Rocket_mass_heater

    The fire can only burn sideways toward the direction of the heat riser, since the insulated tube which connects the wood feed to the heat riser is the only available path for the flow of air. [ 14 ] When fire reaches the heat riser, the J-tube design diverts flames upwards into the highly insulated combustion chamber, which allows heat energy ...

  4. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", [ 1 ] "embedded surface systems", [ 1 ] "thermally active building systems ...

  5. Space heater - Wikipedia

    en.wikipedia.org/wiki/Space_heater

    Radiant space heaters transfer heat to directly to bodies in front of them using thermal radiation. Thermal radiation is a process by which objects at a high temperature emit heat in the form of electromagnetic waves. These heaters are often designed such that the frequency of the emitted waves are in the infrared part of the electromagnetic ...

  6. Industrial furnace - Wikipedia

    en.wikipedia.org/wiki/Industrial_furnace

    An industrial furnace, also known as a direct heater or a direct fired heater, is a device used to provide heat for an industrial process, typically higher than 400 degrees Celsius. [1] They are used to provide heat for a process or can serve as reactor which provides heats of reaction.

  7. Underfloor heating - Wikipedia

    en.wikipedia.org/wiki/Underfloor_heating

    Radiant heat transfer is constant based on the Stefan–Boltzmann constant. Convective heat transfer changes over time depending on the air's density and thus its buoyancy. Air buoyancy changes according to surface temperatures and; forced air movement due to fans and the motion of people and objects in the space. Convective heat transfer with ...

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