Fuels Flue Gases and Average Dew Points

Average dew point temperatures for typical fuels like 

• anthrasite
• bituminous
• manufactured gas 
• natural gas
• oil
• semi-bitumius

are indicated in the charts below

• Flue Gases - Average Dew Point for Typical Fluids (pdf)

Excess air is the ratio of air supplied to the combustion process to what is theoretically required for perfect combustion (stoichiometric combustion).

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• Engineering ToolBox, (2010). Fuels Flue Gases and Average Dew Points. [online] Available at: https://www.engineeringtoolbox.com/flue-gases-average-dew-point-typical-fuels-d_1584.html [Accessed Day Mo. Year].

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