Cooling system for a turbomachine

A system for cooling multiple compartments of a turbomachine, the system comprising:

• a turbomachine comprising multiple compartments, wherein the compartments comprise at least a first compartment and a second compartment;
• a cooling system for reducing a temperature of each compartment of the multiple compartments;
• wherein the cooling system comprises:
• a cooling circuit which is in fluid communication with at least the first compartment and the second compartment;
• wherein a first portion the cooling circuit is located within the first compartment and a second portion of the cooling circuit is located within the second compartment;
• at least one air circulation device for moving a cooling fluid through the cooling circuit;
• wherein the cooling fluid comprises air which derives from ambient.
• wherein an air enters the first compartment at a first temperature range, exits the first compartment at a second temperature range and then enters the second compartment at the second temperature range and exits the second compartment at a third temperature range.