Can heat pipes or pumped loops inside a computer be considered liquid cooling?

No, when heat pipes or pumped loops are used inside a computer, and the liquid remains within a closed loop inside the server, it is still considered air-cooled electronics. This is because the heat is removed from the internal closed loop via airflow through the electronic equipment chassis. The liquid is not supplied to the entity being cooled, but rather serves as a heat transfer medium within the closed loop.