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This is generally known as Thermal Throttling in the case of reduction of clock speeds, or Thermal Shutdown in the case of a complete shutdown of the device or system. 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).
LED power dissipation is modeled as a current source; thermal resistance is modeled as a resistor; and the ambient temperature is modeled as a voltage source. High power light-emitting diodes (LEDs) can use 350 milliwatts or more in a single LED. Most of the electricity in an LED becomes heat rather than light (about 70% heat and 30% light).
Junction temperature, short for transistor junction temperature, [1] is the highest operating temperature of the actual semiconductor in an electronic device. In operation, it is higher than case temperature and the temperature of the part's exterior. The difference is equal to the amount of heat transferred from the junction to case multiplied ...
HP Envy. HP Pavilion is a line of consumer-oriented laptop and desktop computers produced by HP Inc. Introduced in 1995, HP has used the name for both desktops and laptops in its home and home office product range. The Pavilion mainly competes against computers such as Acer 's Aspire, Dell 's Inspiron and XPS, Lenovo 's IdeaPad, Samsung 's Sens ...
The Pavilion dv9000 is the first model of the Pavilion dv9000 series of laptops, introduced in 2006. This model featured a 17.0" 16:10 LCD display housed in a clamshell-type case. Specific internal components can be custom-chosen by the consumer or pre-selected by the manufacturer for the retail market. Unique to this model series (as well as ...
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 ...
Total air temperature is an essential input to an air data computer in order to enable the computation of static air temperature and hence true airspeed . The relationship between static and total air temperatures is given by: where: static air temperature, SAT ( kelvins or degrees Rankine) total air temperature, TAT (kelvins or degrees Rankine ...
The higher the kelvin rating, the colder the color temperature. Bright or cool white light ranges from 7,000K to 10,000K. This light is great in dimly lit spaces like garages, attics, and work ...