Investigation of droplet nucleation in CCS relevant systems – design and testing of the expansion chamber Miroslav Čenský, Jan Hrubý, Václav Vinš, Jiří Hykl and Bohuslav Šmíd EPJ Web Conf., 180 (2018) 02015 Published online: 04 June 2018 DOI: 10.1051/epjconf/201818002015