Computer cooling | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-20

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Computer_cooling


00:01:32 1 Generators of unwanted heat
00:03:25 2 Damage prevention
00:04:50 3 Mainframes and supercomputers
00:09:30 4 Air cooling
00:09:39 4.1 Fans
00:10:20 4.1.1 Performance of fans in chassis
00:11:30 4.1.2 Parallel versus series installation
00:13:52 4.1.3 Temperature versus flow rate
00:16:57 4.2 Piezoelectric pump
00:18:00 5 Passive cooling
00:19:44 6 Other techniques
00:19:54 6.1 Liquid submersion cooling
00:21:54 6.2 Waste heat reduction
00:22:46 6.3 Heat-sinks
00:25:52 6.4 Peltier (thermoelectric) cooling
00:27:10 6.5 Liquid cooling
00:31:23 6.6 Heat pipe
00:32:41 6.7 Electrostatic air movement and corona discharge effect cooling
00:34:11 6.8 Soft cooling
00:34:57 6.9 Undervolting
00:36:08 6.10 Chip-integrated
00:38:28 6.11 Phase-change cooling
00:41:58 6.12 Liquid nitrogen
00:43:44 6.13 Liquid helium
00:44:43 7 Optimization
00:45:42 7.1 Thermally conductive compounds
00:47:31 7.2 Heat sink lapping
00:48:10 7.3 Rounded cables
00:49:23 7.4 Airflow
00:52:39 8 Computer types
00:52:48 8.1 Desktops
00:54:38 8.2 Servers
00:55:09 8.3 Rack-mounted
00:56:10 8.4 Laptops
00:56:58 8.5 Mobile devices
00:57:28 9 See also



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SUMMARY
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Computer cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits. Components that are susceptible to temporary malfunction or permanent failure if overheated include integrated circuits such as central processing units (CPUs), chipset, graphics cards, and hard disk drives.
Components are often designed to generate as little heat as possible, and computers and operating systems may be designed to reduce power consumption and consequent heating according to workload, but more heat may still be produced than can be removed without attention to cooling. Use of heatsinks cooled by airflow reduces the temperature rise produced by a given amount of heat. Attention to patterns of airflow can prevent the development of hotspots. Computer fans are widely used along with heatsink fans to reduce temperature by actively exhausting hot air. There are also more exotic cooling techniques, such as liquid cooling. All modern day processors are designed to cut out or reduce their voltage or clock speed if the internal temperature of the processor exceeds a specified limit.
Cooling may be designed to reduce the ambient temperature within the case of a computer, such as by exhausting hot air, or to cool a single component or small area (spot cooling). Components commonly individually cooled include the CPU, Graphics processing unit (GPU) and the northbridge.