COLD STORAGE HEAT EXCHANGER

摘要

A cold storage heat exchanger (40) for exchanging heat with air flowing therearound includes a cooling medium path (45a) in the interior of which a cooling medium circulates, and a cold storage body (47) for exchanging heat with the cooling medium circulating through the cooling medium path, the cold storage body (47) containing in the interior thereof cold storage members (50, 50a, 50b) that retain an amount of heat from the cooling medium. The cold storage material includes a low-carbon-number paraffin comprising a C12 paraffin and/or a C13 paraffin, and a high-carbon-number paraffin comprising a C15 paraffin and/or a C16 paraffin. The concentration of high-carbon-number paraffin in the cold storage material is 60-100 mass percent exclusive. The concentration of low-carbon-number paraffin has a mass percent concentration in the cold storage material is 0-40 mass percent exclusive.