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Density when the boussinesq assumption is used

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics Density when the boussinesq assumption is used

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  • #5821
    POSThu
    Participant

    Dear all,

    I am doing some thermal cases simulation by OpenLB, and there is a question. As we all know, the density of air is varied with the temperature. So, which density should be specified in the Thermal Unitconverter? Is it the density corresponding to the low temerature?

    Best regards,
    mengqiang

    #5832
    mgaedtke
    Keymaster

    Hi mengqiang,

    you should use the reference density, which is in most cases given by the density at mean temperature.

    Best,
    Max

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