Abstract
In recent years, nanofluid has gradually entered people's field of vision due to its unique cold storage performance. Hybrid nanofluid has a more prominent effect. In order to reduce the supercooling degree of the nanofluid and obtain a practical and effective method to reduce the supercooling degree, the nano-particle graphene oxide and Al2O3 are added into deionized water ultrasonically to configure the nanofluid, and then the temperature is cooled. The effect of nanofluid concentration and different initial fluid temperature on the nanofluid subcooling degree is obtained when the ultrasonic time is 120min; when the nanofluid concentration is 0.15%wt, the nanofluid subcooling degree is the lowest, and the nanofluid is supercooled at this time The temperature is 2.8°C, which is the optimal condition for undercooling research.
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