physchem.py 文件源码

def density_water(temp):
    """Return the density of water at a given temperature.

    If given units, the function will automatically convert to Kelvin.
    If not given units, the function will assume Kelvin.
    """
    ut.check_range([temp, ">0", "Temperature in Kelvin"])
    rhointerpolated = interpolate.CubicSpline(WATER_DENSITY_TABLE[0],
                                                    WATER_DENSITY_TABLE[1])
    return rhointerpolated(temp)