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The heat exchanger is a three-medium heat exchanger with phase change material (PCM) stored in the external fin tubes. It allows the refrigerant flowing inside the internal fin tubes and the air to
Technologies are described that are directed to cost-effective and safe deployment of propane as a refrigerant for heat pump water heaters.
Through new chemistry, materials, and processes, ORNL researchers are developing a highly compact and energy efficient carbon capture technology, which can enable wide-spread implementation in a cost effective manner.