a. The maximum degree of filling must not exceed the degree of filling determined by the following:
is the maximum mean bulk temperature during transport,
is the temperature in degrees celsius of the liquid during filling, and α is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf
) and the maximum mean bulk temperature during transportation (tr
) both in degrees celsius.
b. For liquids transported under ambient conditions α may be calculated using the formula:
are the densities (in units of mass per unit volume) of the liquid at 15 °C (59 °F) and 50 °C (122 °F), respectively.
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