The temperature difference of the hottest cell between air cooling and liquid cooling reduces with an increase in power consumption. For the power consumption of 0.5 W, the average temperature of the hottest cell with the liquid cooling system is around 3 °C lower than the air cooling system.
The liquid cooling system is more efficient than the air-cooling system within the investigated range of power consumption as it is capable of keeping the temperature lower than the air cooling method. Fig. 19. Average temperature increases in the hottest cell versus power consumption.
Effect of power consumption on the average temperature difference of the hottest cell between air cooling and liquid cooling.
For the power consumption of 0.5 W, the average temperature of the hottest cell with the liquid cooling system is around 3 °C lower than the air cooling system. For 13.5 °C increase in the average temperature of the hottest cell, the ratio of power consumption is around PR = 860.
The parasitic energy consumption of the fan in the air cooling system and the pump in the liquid cooling system are crucial factors to evaluate the performance of the cooling systems.
Air cooling and liquid cooling control equations In this study, the flow rate of 3 L / s to 21 L / s is considered for the air cooling, and the flow rate of 0.5 L / m i n to 3.5 L / m i n is investigated for the liquid cooling system.
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