A process during which heat is transferred to a thermal energy storage device (regenerator) during one part of the cycle and is transferred back to the working fluid during another part of the cycle.
(heat; is transferred; to a thermal energy storage device; T:during one part of the cycle) (heat; is transferred; back to the working fluid; T:during another part of the cycle)
heat heat
is transferred is transferred
to a thermal energy storage device T:during one part of the cycle
back to the working fluid T:during another part of the cycle