The 4th MUFFINS Academic meeting has taken place at the University of Glasgow on the 19th February 2020. All the three academic teams including academic investigators and researchers from Newcastle, Imperial and Glasgow presented their individual progress of related work packages. Several research aspects have been advanced including the experiment, modelling and numerical simulations. Both internal multiphase slug flows and external flow vortex-induced vibrations have been discussed. The teams will meet and discuss with industry partners in April 2020 at Imperial College in London.