velG.cal: compute the actual gas flow (eliminate the error of the rotameter) of either the big airlift reactor or the smaller one used at the Biotechnikum at Forum Seestra<U+00DF>e
Description
compute the actual gas flow (eliminate the error of the rotameter) of either the big airlift reactor or the smaller one used at the Biotechnikum at Forum Seestra<U+00DF>e