Simulation of Radiant Cooling Systems in Cleanroom Applications

Radiant cooling systems rely on chilled-water pipes to distribute cooling throughout a building rather than a conventional system that uses chilled air and ductwork. Radiant cooling systems rely mainly on the direct cooling of occupants by the radiation heat transfer because the pipes, which commonly run through ceilings or walls, maintain surface temperatures of about 18°C (64.4°F). In a radiant cooling system, ventilation and thermal space conditioning tasks are separated. Forced air is used to fulfill ventilation requirements and radiant cooling panels are used to provide most of the cooling. Copyright 2019 ASHRAE.