Experiments in a combined up stream downstream slug flowF. Sánchez-Silva, I. Carvajal-Mariscal, M. Toledo-Velázquez, D. Libreros, M. Toledo-Velázquez and H. Saidani-ScottEPJ Web of Conferences, 45 (2013) 01082DOI: https://doi.org/10.1051/epjconf/20134501082