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Water cooling is a method of heat removal from components and industrial equipment. As opposed to air cooling,water is used as the heat conductor. Water cooling is commonly used for cooling automobile internal combustion engines and large industrial facilities.Other uses include cooling the barrels of machine guns, cooling of lubricant oil in pumps; for cooling purposes in heat exchangers; cooling products from tanks or columns, and recently, cooling of various major components inside high-end personal computers. The main mechanism for water cooling is convective heat transfer.
Advantages:
Water is inexpensive and non-toxic. The advantages of using water cooling over air cooling include water's higher specfic heat capacity, density, and thermal conductivity. This allows water to transmit heat over greater distances with much less volumetric flow and reduced temperature difference.
For cooling CPU cores in computing equipment, the primary advantage of water cooling is that its tremendously increased ability to transport heat away from source to a secondary cooling surface allows for large, more optimally designed radiators rather than small, inefficient fins mounted directly on the heat source.
The water jackets around an engine is also very effective at deadening mechanical noises, which makes the engine quieter. However, the primary disadvantage is that it costs significantly more than an air-cooled engine system.
Disadvantages:
Water accelerates corrosion of metal parts and is a favorable medium for biological growth. Dissolved minerals in natural water supplies are concentrated by evaporation to leave deposits called scale. Cooling water often requires addition of chemicals to minimize corrosion and insulating deposits of scale and biofouling.In water cooling systems for electronic devices the use of deionized water is required, which must be carefully controlled in order to avoid contamination, which would cause a decrease in resistance of the water and subsequently increase risk of short circuits.
Hyfluid has customized more than 200 kinds of water block (water cooler, water cooled plate)and cold plate for worldwide customers with our professional experiences and knowhow.From design, thermal slimulation, prototypes to mass production,main process would include firiction-stir-welding,vacuum brazing,argon arc welding,pressure leakage test etc.
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Water block in the heatsinks base
Completed water block base with grooved water ways
Assemble water block cover by Friction-stir-welding process
100% leakage inspection under water and certain air pressure£¬looking for air bubbles.....
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