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Liquid-Cooled Boards Rack Electronic Assembly

Product Specification

Model No:	Liquid-cooled boards rack pcba

Country	CN
Payment Term	L/C

Product Detail

Industry industrial electronics Liquid-cooled boards
and rack for a large electron microscope pcba motherboards assembly electronics
contract manufacturing services OEM CEM EMS experience company-China Shenzhen
Topscom

 
<img src="http://i.bosscdn.com/product/76/b1/d1/789c4c7b9087772dfde7784692.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=17&p=9&t=80&text=cGNiYXNzZW1ibHljaGluYS5ib3NzZ29vLmNvbQ%3D%3D" title="smt workshopnew" alt="smt workshopnew" /> 
industrial electronics Liquid-cooled boards Electronics OEM EMS CEM Contract Manufacturing PCBA Assembly Services: 

 


An uncommon practice is to submerge the
computer's components in a thermally, but not electrically, conductive liquid.
Although rarely used for the cooling of personal computers,[8] liquid
submersion is a routine method of cooling large power distribution components
such as transformers. It is also becoming popular with data centers. Personal
computers cooled in this manner may not require either fans or pumps, and may
be cooled exclusively by passive heat exchange between the computer hardware
and the plastic box it is placed in. A heat exchanger (i.e. heater core or
radiator) might still be needed though, and the piping also needs to be placed
correctly. Extreme component density supercomputers such as the Cray-2 and Cray
T90 used additional large liquid-to-chilled liquid heat exchangers for heat
removal.


 


The liquid used must have sufficiently low
electrical conductivity not to interfere with the normal operation of the
computer. If the liquid is somewhat electrically conductive, it may be
necessary to insulate certain parts of components susceptible to
electromagnetic interference, such as the CPU. For these reasons, it is
preferred that the liquid be dielectric.


 


A wide variety of liquids exist for this
purpose, the most suitable being transformer oils and other specialty
electrical cooling oils such as 3M Fluorinert. Non-purpose oils, including
cooking, motor and silicone oils, have been successfully used for cooling
personal computers.


 


Evaporation can pose a problem, and the
liquid may require either to be regularly refilled or sealed inside the
computer's enclosure. According to one company that builds and sells mineral
oil submersion kits, they initially found that oil would be lost through a
wicking effect up cables that were submerged in the oil. This is no longer the
case, as they modified the kit.


 

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