def h_bubble(heigth_layer, epsi_vapor):
    """
    Calculates the heigth of bubble layer.
    Parameters
    ----------
    epsi_vapor : float
        The vapor content of bubble layer, [dimensionless]
    heigth_layer : float
        The heigth ligth layer of  the liquid, [m]
    Returns
    -------
    h_bubble : float
        The heigth of of bubble layer. [m]
    References
    ----------
    Дытнерский, страница 242
    """
    return heigth_layer / (1 - epsi_vapor)