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TEXPOM - exponent for calculation of chemical diffusivity

Hi everyone,

I am currently adding properties of the chemical Hexachlorobutadiene into the CHEMP block.

There is the TEXPOM data missing as I do not know where to find the definition in the TMVOC user's manual.

Should anyone know about the TEXPOM record, please feel free to answer me.

Thank you in advance,

Quentin
 

2 replies

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    • Finsterle GeoConsulting
    • Stefan_Finsterle
    • 8 yrs ago
    • Reported - view

    Quentin,

    Currently, TEXPOM is not used in TMVOC (thus not documented), i.e., there are no provisions for inputting different TEXP values (which controls the temperature dependence of diffusion) for different gas phase components. However, you can specify a single TEXP parameter (typically 1.8), which will be applied to all components.

    This is all explained in Appendix D.4 of the TMVOC User's Guide.

    Stefan

    • PhD Student - Hydrogeology - Contaminated Sites - Modelling
    • Quentin_Giraud
    • 8 yrs ago
    • Reported - view

    Thank you Stefan!

    That's why I couldn't find it : )
    I will leave TEXP at 1.8 then.

    Thank you for your promptness and your help!

    Quentin

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