Acceptable air velocities using demand-controlled ventilation for individual cooling Kari Thunshelle, Henrik S. Nordby, Håkon Rikoll Solberg, Sverre Holøs and Peter G. Schild E3S Web Conf., 172 (2020) 09002 Published online: 30 June 2020 DOI: 10.1051/e3sconf/202017209002