Investigation of the dynamic characteristics of a storage tank discharging process for use in conventional air-conditioning system

•A discharging process model of a storage tank with spherical capsules is developed.•The dynamic characteristics of a new cool storage air conditioning system are presented.•A new cool storage material for conventional air conditioning is studied.•An experimental cool storage air-conditioning system with a storage tank is designed and constructed.•A computational study of the effects of buoyancy during encapsulated PCM’s melting process is developed.