Search results
Results from the WOW.Com Content Network
Each of the 1662 printed circuit modules of the machine had a copper core and was clamped to the cooling bar. The system was designed to maintain the cases of integrated circuits at no more than 54 °C (129 °F), with refrigerant circulating at 21 °C (70 °F). Final heat rejection was through a water-cooled condenser. [5]
An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and ranges from the minimum operating temperature to the maximum operating temperature (or peak operating ...
For example, a typical white LED output declines 20% for a 50 °C rise in junction temperature. Because of this temperature sensitivity, LED measurement standards, like IESNA’s LM-85 Archived 2017-10-18 at the Wayback Machine, require that the junction temperature is determined when making photometric measurements. [5]
Intel Haswell i7-4771 CPU, sitting atop its original packaging that contains an OEM fan-cooled heatsink All models support: MMX , SSE , SSE2 , SSE3 , SSSE3 , SSE4.1 , SSE4.2 , F16C , Enhanced Intel SpeedStep Technology (EIST), Intel 64 , XD bit (an NX bit implementation), Intel VT-x , and Smart Cache .
The SI unit of absolute thermal resistance is kelvins per watt (K/W) or the equivalent degrees Celsius per watt (°C/W) – the two are the same since the intervals are equal: ΔT = 1 K = 1 °C. The thermal resistance of materials is of great interest to electronic engineers because most electrical components generate heat and need to be cooled.
Although the pin-fin has 194 cm 2 surface area while the straight-fin has 58 cm 2, the temperature difference between the heat-sink base and the ambient air for the pin fin is 50 °C, but for the straight-fin it was 44 °C, or 6 °C better than the pin fin. Pin fin heat sink performance is significantly better than straight fins when used in ...
In computer engineering, Halt and Catch Fire, known by the assembly language mnemonic HCF, is an idiom referring to a computer machine code instruction that causes the computer's central processing unit (CPU) to cease meaningful operation, typically requiring a restart of the computer.
Unlike the degree Fahrenheit and degree Celsius, the kelvin is no longer referred to or written as a degree (but was before 1967 [1] [2] [3]). The kelvin is the primary unit of temperature measurement in the physical sciences, but is often used in conjunction with the degree Celsius, which has the same magnitude. Other scales of temperature: