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A gas burner is a device to generate a Flame to heat up products using a Gas eous fuel such as Acetylene , Natural Gas or Propane . Some burners have an air inlet to mix the fuel gas with air to make a Complete Combustion . Acetylene is commonly used in combination with oxygen.

It has many applications such as Soldering , Brazing and Welding , the latter using Oxygen instead of air for getting a hotter flame which is required for melting Steel . For laboratory uses a natural gas fired Bunsen Burner is used. For melting metals with melting points of up to 1100 °C such as Copper , Silver and Gold a propane burner with natural drag of air can be used.


Table 1: Flame temperatures of common gases and fuels


Info & Assuming:

  • Adiabatic flame

  • 20 degrees Celsius atmoshpere

  • Complete Combustion (No Soot and more Blue like flame is the key)

  • Peak Temperature

  • Speed of Combustion (Has no effect on temp, but more energy released per sec (As adiabatic) compaired to normal flame)


  • Spectral Bands also effect colour of flame as of what part and elements of combustion

  • Blackbody radiation (colour appearance only because of heat)


  • Atmosphere - effects temp of flame and colour due the the atmoshperic colour effect



Table 2: Explosive limits and ignition temperatures of common gases


Note: Atmosphere is air at 20 celsius.


Table 3: Combustion values of common gases



SEE ALSO

  • Flame

  • ''Pocket Guide to fire and arson investigation,'' second edition, FM Global, Table 2

  • Gas Welding