Passive salt water cooling keeps the system circuits cool

One A newly released report A research team at City University of Hong Kong and Huazhong University of Science and Technology say they have developed a new method for passive cooling system circuits. New radiator of this type Heat sink encased in a salt-filled membrane (HSMHS), which relies on a salt-rich aqueous solution that evaporates and is refilled in its own cycle.

Simply put, the cooler works by filling a relatively conventional cooling block with a salt-rich cooling medium which is then encased in a porous membrane. When heat is transferred to the liquid through the cooling block, the liquid evaporates and passes through the membrane in the form of an evaporator. Then when the workload on the chilled circuit decreases, the refrigerant can then be refilled by capturing liquid from the surrounding air.

The new method should give much better results than the corresponding existing solutions. For those intending to keep their overclocked Intel Core i9 processor cool through this method, they unfortunately have to think again. The current intended use area is much lower heat generation circuits and the method has been evaluated on 5G base station control circuits. The cooling effect was determined to be 602 W/m² during the evaluation conducted with a typical workload of 15 W.

The solution is also said to be very cost effective as the lithium bromide salts used do not involve any major costs. Whether this method can be scaled up to be more suitable for home use is perhaps not likely at present. When and if this method is implemented on a large scale, the future will tell.