No abstract

Thermochemical energy storage (TCES) is gaining attention for seasonal heat storage and space heating applications due to its high thermal energy density and reliable heat retention over a reasonably long period without significant losses. Salt hydrate and moist air-based solid-gas reactive pairs have been proved to be particularly useful for space heating. The auxiliary power required in the form of electrical energy for blowing the air through the packed bed reactor is an important consideration since it depends on various design parameters of the system. A radial flow annular reactor configuration is proposed in the present study. It shows a 65%-80% reduction in the flow work requirement. The parameters, such as the flow direction and flow rate, need to be optimized for better performance and to ensure lesser flow work requirements.