Cargo and Priority Parcel Service. For loss or damage concerns with your shipment, contact American Airlines Cargo to file a claim. American Airlines Cargo Customer Service Opens another site in a new window that may not meet accessibility guidelines. Refunds and receipts FAQs. General refund policies Opens another site in a new window that may not meet accessibility guidelines.
An HVAC cooling tower is used for disposing or rejecting heat from chillers. Air cooled chillers are less effecient than water cooled chillers due to rejection of heat from tower water near wet-bulb temperatures.
Cooling Tower Configurations. Crossflow is a cooling tower system design in which the air flow is directed perpendicular to the water flow. Air flow enters one or more vertical faces of the cooling tower to meet the fill material. Water flows (perpendicular to the air) through the fill by gravity.