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  2. Staged combustion - Wikipedia

    en.wikipedia.org/wiki/Staged_combustion

    The first stage of combustion occurred inside a hot bulb, where the hot gases were forced out into the cylinder. Then, when mixed with additional air, the second stage of combustion took place. During those times, staged combustion was used because it was a convenient method of ignition, and, likely, there was not much concern about air pollution.

  3. Circulating fluidized bed - Wikipedia

    en.wikipedia.org/wiki/Circulating_fluidized_bed

    Circulating fluidized bed is a relatively new technology with the ability to achieve lower emission of pollutants. Extensive research has been conducted on this technology within the past 15 years due to increasing concerns over pollution caused by traditional methods of combusting coal and its sustainability. The importance of this technology ...

  4. Hot air engine - Wikipedia

    en.wikipedia.org/wiki/Hot_air_engine

    The term "hot air engine" specifically excludes any engine performing a thermodynamic cycle in which the working fluid undergoes a phase transition, such as the Rankine cycle. Also excluded are conventional internal combustion engines , in which heat is added to the working fluid by combustion of fuel within the working cylinder.

  5. Fluidized bed combustion - Wikipedia

    en.wikipedia.org/wiki/Fluidized_bed_combustion

    FBC smoke tube boiler. Fluidized bed combustion (FBC) is a combustion technology used to burn solid fuels.. In its most basic form, fuel particles are suspended in a hot, bubbling fluidity bed of ash and other particulate materials (sand, limestone etc.) through which jets of air are blown to provide the oxygen required for combustion or gasification.

  6. Flue gas - Wikipedia

    en.wikipedia.org/wiki/Flue_gas

    Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases, as from a fireplace, oven, furnace, boiler or steam generator. It often refers to the exhaust gas of combustion at power plants. Technology is available to remove pollutants from flue gas at power plants.

  7. Got Norovirus? Doctors Say This Is Exactly What You Should Now

    www.aol.com/got-norovirus-doctors-exactly-now...

    “It can cause severe short-lived symptoms, but typically resolves quickly without treatment,” says Pratima Dibba, MD, a board-certified gastroenterologist practicing in New York City.

  8. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as compared to a mid-efficiency forced-air or forced-draft furnace, is the capture of latent heat from the exhaust gases in the secondary heat exchanger.

  9. MGK Is “Doing the Best He Can” to Get Megan Fox Back After ...

    www.aol.com/mgk-doing-best-megan-fox-174600311.html

    Here’s What NOT to Wear to a Wedding. Meet the Laziest, Easiest Acne Routine You’ll Ever Try. Show comments. Advertisement. Advertisement. In Other News. Finance. Finance. 24/7 Wall St.