Cooling ducts refer to specialized passages in a system or machine that allow air or other coolants to flow and remove heat from the surrounding area or components. Full definition
The nose was lowered and the large front brake cooling ducts on the sides of the nose were removed and replaced by a single, large opening in the front of the car. (en.wikipedia.org)
The updates begin with new cooling ducts for the brakes, which are designed to keep the brakes as much as 100 degrees cooler during hard track use. (automobilemag.com)
The brake cooling ducts in the nose of the car were also made larger, with the raised nose's tip being moved upward. (en.wikipedia.org)