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  • State and Process of Air

    Khartz Di

    Member

    Updated: Oct 27, 2024
    Views: 1.0K
    How can we describe the state of the air in the atmosphere and what kind of process does this air undergo from a cool morning to a warm afternoon?
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Replies

  • Ramani Aswath

    Member • Jul 30, 2012

    Atmospheric air is a mixture of Nitrogen, Oxygen Carbon dioxide and other minor constituents. State is of course gaseous. As the temperature goes up air gets warm and reduces density proportionately.
    This is elementary. Were you thinking of some other issues?
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  • Khartz Di

    Member • Jul 30, 2012

    bioramani
    Atmospheric air is a mixture of Nitrogen, Oxygen Carbon dioxide and other minor constituents. State is of course gaseous. As the temperature goes up air gets warm and reduces density proportionately.
    This is elementary. Were you thinking of some other issues?
    thanks for your help...i also wish to know what process is exactly taking place(eg. quasi static equilibrium or......)???
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  • Ramani Aswath

    Member • Jul 30, 2012

    It is unlikely to be an equilibrium or near equilibrium state since the times involved are short, air and fuel are at different densities (with attendant diffusion issues), volumes are small and pressures high and the flame front undefined (especially with hot spots). This is one of the reasons for NOX, carbon monoxide and other toxic emissions.
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  • Ramani Aswath

    Member • Jul 30, 2012

    This is a detailed review of the general chemical perspective of auto mobile fuels including combustion.
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