@article{Steinweg2015b,

title = {Pipe Internal Recirculation in Storage Connections – An Unseen Efficiency Barrier},

author = {J Steinweg and F Kliem and M Littwin and G Rockendorf},

doi = {10.1016/j.egypro.2015.07.704},

issn = {1876-6102},

year  = {2015},

date = {2015-06-01},

journal = {Energy Procedia},

volume = {73},

pages = {341-349},

note = {9th International Renewable Energy Storage Conference, IRES 2015},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{Steinweg2014b,

title = {Pipe Internal Recirculation in Storage Connections – Characteristics and Influencing Parameters},

author = {J Steinweg and F Kliem and G Rockendorf},

doi = {10.1016/j.egypro.2014.02.077},

issn = {1876-6102},

year  = {2014},

date = {2014-04-01},

journal = {Energy Procedia},

volume = {48},

pages = {664-673},

note = {Proceedings of the 2nd International Conference on Solar Heating and Cooling for Buildings and Industry (SHC 2013)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}