i want to knows information about tow pheas close loop thermo syphon to cooling microprssosing , thankes alot?
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u hav trouble spelling I think\nif you meant 'two phase closed loop thermosyphon' then try the link below
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this is a common problem.\n\nPC's generally heat up due to use.  Depending on the kind of laptop you have they may employ a passive cooling method (which tends to have overheating issues)  If your fan does come on that should be alright.  They make things for just this case, an example of one is the Chill Mat:\n\nhttp://www.bestbuy.com/site/olspage.jsp?skuId=6211752&type=product&productCategoryId=cat08006&id=1074788100200\n\nIf your fan stops alltogether then it may be a cause for concern.  No cooling = melting internally
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decreasing the heat to avoid degredation of the PVC
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www.sensorex.com/support/education/ORP_education.html\n\nwww.zentox.com/CleanStreams/ Ozone_Cooling_Tower_Systems_KSC.pdf\n\nNote the limitations !  It only works for clean waters.\n\nanrcatalog.ucdavis.edu/pdf/8149.pdf
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http://en.wikipedia.org/wiki/Microturbine#Micro_Turbines
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condensate depression: the amount of sub-cooling required to remove the latent heat of vaporization at a given vacuum.
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What is this condenser's service? Refrigerant, steam, other? Do you need any sub-cooling.\n\nMaterials for the tubes or fins have very little to do with the over all heat transfer rate. Air flow rate and velocity inside the tube have a bigger impact. \n\nIf you do not need any sub-cooling, then having a configuration that will get the condensed liquid out of the condenser so more surface is exposed to the condensing process is important.\n\nOne important thing that is overlooked many times is air recirculation. Having a forced draft arrangement where the fans push the air across the condenser seems at first to be the most economical arrangement but in fact an induced draft arrangement where the air is pulled across the tubes and then discharged by the fans minimizes an air recirculation and actually results in better performance. You should note that most air conditioning condensers use this principle.
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Make sure that ventilation holes are free of dust. You can use compressed air to blow out the dust gathered in the heatsink.
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I'm assuming you run your computer on for long amounts of time. The best thing to do is to get a cooling pad like mentioned and to slow down the processor so that it doesn't produce extra heat when not in use/under a large load. http://www.pbus-167.com/chc.htm Notebook hardware control is a great program you could look into to see temps and to slow the processor down when you don't need all 100%. It can also help save battery life when you're not plugged in.
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My sister is in college and she had the same problem she had to go and get a cooling board it is something that sits on the botttom of your notebook and it cools it off. You also need to turn it off as much as possiable! Mainly overnight dont leave it running.
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a device which produces low temperatures. It is a closed system that uses an oscillating pressure at one end to generate an oscillating gas flow in the rest of the system. This gas flow can carry heat away from a low temperature point if the conditions are right. The prime advantage of Pulse Tube cryocoolers over Stirling cryocoolers is that they have no moving parts in the low temperature region.
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Did it ever have a high temperature of heat? (The normal Temp is around 50 up to 53). If yes, Aopen as i experienced it, always get capacitors defection when it get heated,so try to replace capacitors. take care that Mp may went failure So check it. and dont expose it to more heat.
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How far below?\n\nWater has quite a high thermal conductivity value.  Depressing the freezing point can be obtained by adding a salt, such as table salt (sodium chloride) or even calcium chloride.  Maple Leaf Gardens (the old NHL hockey arena in Toronto, Ontario) use to use a brine (salt water) solution in the cooling system to keep the ice frozen.\n\nIf you weren't worried about corrosion, you could try a brine (saturated salt solution) in your cooling system.  Water has a thermal conductivity of approximately k=5 to 6 mW/cm/K (relative to carbon tetrachloride or toluene being close to 1 and still able to go well below 0C/32F and remain liquid).  (CRC Handbook of Physics and Chemistry...do your own unit conversions)\n\nDon't let the brine leak though....
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Tar from smoke glues dust in the thermal module. It builds up and closes air cooling for CPU fan. And warranty repair can be refused. I don't know about other harm, but one is for sure - your laptop will need more cleaning too if you smoke.
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those thermal imagers are state of the art. you do not have enough money to develop a product to outsmart the product. Stay away from crimes that would require you to not show up on a thermal imager
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Heat exchangers, natural heating/cooling, jet mixing
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close processes and programs that are not necessary.\navoid running many programs at the same time.\n\nyou can check what programs/processes are running with <ctrl> + <alt> + < del> and click processes. Make sure you know what you are closing.\n\nThe other way is to overclock your computer. This will make all your hardware run hotter and increase the likelyhood of something breaking down.