Abstract: A heat exchanger includes one or more hot medium flow regions and one or more cooling medium flow regions. Hot medium bars border the one or more hot medium flow regions and cooling medium bars border the one or more cooling medium flow regions. At least one cooling medium bar of the cooling medium bars is joined to a pair of partition sheets. The at least one cooling medium bar includes a base, a first leg, and a second leg. The first leg and the second leg each extend from the base. A cavity is provided between the first leg and the second leg. The cavity is in fluid communication with a first cooling medium flow region of the one or more cooling medium flow regions via an opening provided between the first leg and the second leg.

Abstract: A precooler/chiller/reheater (PCR) system comprising a precooler/reheater counterflow heat exchanger and a chiller counterflow heat exchanger separated by a moisture removal section. Refrigerant is flashed through a perforated distribution manifold along the plates of the chiller. Warm, moist air is precooled in the precooler/reheater heat exchanger. A manifold conveys the precooled air to the chiller heat exchanger. Chilled air exits the chiller at a low point in the system. Moisture condensed in the precooler and chiller drains into a sump that also acts to convey air into the moisture removal section. Water droplets are stripped from the airflow and drain downwards into the sump. The chilled and dried air is conveyed to the second side of the precooler/reheater heat exchanger and passes downward in counterflow to the direction of air entering the system on the first side of the heat exchanger, then exits the system ready for use as reheated, dried air.