Liquid subcooling utilizing phase change composite thermal energy storage and phase change composite thermal energy storage module therefor

A cooling system, comprising:

• a first air cooled condensing unit (ACCU) having a first condenser outlet and a first condenser inlet;
• a second air cooled condensing unit (ACCU) having a second condenser outlet and a second condenser inlet;
• a phase change composite thermal energy storage module (PCCTESM) having first and second fluid paths disposed therethrough, each of the first and second fluid paths having an inlet and an outlet;
• at least one air handling unit (AHU) having an AHU inlet and an AHU outlet;
• a first fluid connection between the first condenser outlet and the second fluid path inlet;
• a first expansion valve disposed between the AHU inlet and the second fluid path outlet;
• a second expansion valve disposed between the second condenser outlet and the first fluid path inlet;
• a second fluid connection between the first fluid path outlet and the second condenser inlet;
• and
• a third fluid connection that connects the AHU outlet to the first condenser inlet.

A phase change composite thermal energy storage module (PCCTESM), comprising:

• a first fluid path disposed therethrough, the first fluid path having an inlet and an outlet;
• a second fluid path disposed therethrough, the second fluid path having an inlet and an outlet;
• and
• at least one phase change composite slab (PCCS) disposed in thermal contact with the first and second fluid paths.