MefHySto – D7
Report on (i) the definition of underground gas storages (UGS)- relevant impurities (ii) recommendations for measurements of hydrocarbon traces and (iii) an extension of the enhancement factor for hydrogen mixtures.
MefHySto – D8
Report on the metrological and thermodynamic issues in the large-scale storage of hydrogen in UGS and the conversion of existing UGS from natural gas to hydrogen including the simulation of the flow behaviour of hydrogen / natural gas mixtures.