| 摘要 |
A refrigerated display case includes a heat exchanger with circuits that rou te secondary fluid in a counterflow direction with respect to the airflow throu gh the heat exchanger. At least one circuit directs secondary fluid from the entrance end to the ex it end of the heat exchanger to exchange heat with air exiting the heat exchanger. The higher fluid temperature raises the air dry bulb and lowers the air relative humidity to improve the capability of the air to absorb moisture in the display case.
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