noun Technical meaning of heat sink (hardware) /heet sink/ (from "sink", electronics jargon for something which takes in current) A piece of thermally conductive metal attached to a semiconductor or other electronic device and designed to prevent it from overheating by conducting heat away from it and … ‘Judging by the small size of the heat sink and fan on the processor, this is a fairly cool running processor.’ ‘If the mounting mechanism for those devices is not very sturdy, the heavy heat sink can still fall off because the mounting mechanism breaks off.’ ‘The clip on the heat sink is also a bit of a downfall.’ Most heatsinks are active, meaning the design includes a small fan powered by a connector on the motherboard, or a lead from the power supply unit.A passive heatsink does not include a fan in the design, and is typically larger … Nearly all computers have heat sinks , which help keep the CPU cool and prevent it from overheating. The number of hardware kits ... relies on the SSRs exposed metal base plate acting as a heat sink, meaning that it must be exposed to ambient air. Muitos exemplos de traduções com "finned heat sink" – Dicionário português-inglês e busca em milhões de traduções. (thermodynamics) A place toward which the heat moves in a system. The heat sink should be oriented as in Fig.1 or Fig.2 under natural convection cooling. HSF: Stands for "Heat Sink and Fan." Enrich your vocabulary with the English Definition dictionary heatsink: A heatsink is a device that is attached to a microprocessor chip to keep it from overheating by absorbing its heat and dissipating it into the air. As the processor continues to work at a rapid pace, it begins to generate heat. Figure 4. The heat sink is then attached to either a base plate or directly to the heating surface via epoxying or brazing. This question needs details or clarity. Heatsinks are devices used to keep computer processing units (CPUs) and chipsets cool. Oceans act as a ‘heat sink’: No global … How does the Heat Sink Calculator Work? It is designed to have the greatest amount of surface area in a small volume of space, so aside from the flat contact surface the heat sink has many thin "fins" that facilitate heat dissipation through thermal convection, which means the heat is further carried away from the heat sink … heat sink - Translation to Spanish, pronunciation, and forum discussions heat sink (plural heat sinks) (thermodynamics) An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it. But sometimes the heat sink itself can become too hot. D Heat sink includes the necessary hardware to mount the relay(s) onto the heat sink. Heat sink definition: a metal plate specially designed to conduct and radiate heat from an electrical component | Meaning, pronunciation, translations and examples These BGA heat sink devices mount with EZ Snap™ mounting clips and / or thermal tape to provide optimum cooling for various package sizes and airflow. Hence, it allows high performance heat sinks to be fabricated for applications. In this article, we will learn about Heat Sink and different aspects of Heat Sinks like what is a heat sink, what are the types of heat sinks, what is active cooling and passive cooling etc. Tb Heat sink base temperature, °C t Fin thickness, mm tb Heat sink base thickness, mm w Fin pitch, mm xl Channel length, mm x+ Dimensionless hydrodynamic entry length Vg Channel velocity, m/s Vfs Free stream velocity, m/s Va Actual approach velocity, m/s ∆P Heat sink pressure drop, N/m2 ∆Pth Theoretical Heat sink … All Free. Heatsinks explained. This can happen if the CPU is running at full capacity for an extended period of time or if the air surrounding the computer is simply too … Define heat sink. Heat Sinks are made of high thermal conductive material such as aluminum. Heat Sink: A computer's CPU may perform millions of calculations every second. heat-sink definition, meaning, English dictionary, synonym, see also 'heat-seeking',heating',heat-island',heartsick', Reverso dictionary, English definition… It can be in the form of a paste or jelly or a simplealuminum structure which is attached to the heat source. Heat sink definition, any environment or medium that absorbs heat. heat sink - WordReference English dictionary, questions, discussion and forums. This tool is designed to calculate junction temperature of an electronic device (typically power devices) given four parameters: the maximum ambient temperature, the device's junction-to-package thermal resistance, the thermal resistance of the heat sink, and the power applied. ing , sinks v. intr. Muitos exemplos de traduções com "heat sink" – Dicionário português-inglês e busca em milhões de traduções. Meaning of Heat Sink. kitchen phrase. MICROCHANNEL HEAT SINKS 185 were 0.5wc = 28.3 and 56.6 µm and the microchannel heights used were H = 150 and 200 µm.The lengths of the microchannels were L = 400 and 1000 µm and the coolant velocities utilized were U = 0.1 and 1.0 m/s.The wall heat fluxes imposed on the microchannel heat sink were … This is similar to the old-fashioned cooking pots with thick copper bottoms. If this heat is not kept in check, the processor could overheat and eventually destroy itself. Definition of kitchen in the Idioms Dictionary. The smaller values\ shown above correspond toa heat-sink volume of approxi- mately 100 to 200 cm3 (5 to 10 in3) and the larger ones to roughly 1000 cm3 (60 in3). ***** Web Links. The heat sink is a thermal conductive material that quickly carries heat away from the processor. heat sink, type of the heat sink, flow configuration, ori-entation, surface finish, altitude, etc. What should be noted is that the optimum heat sink design with 8 fins has a surface area 0.045 m 2 and the original design with 15 fins has a surface area of 0.084 m 2 and a thermal resistance that is significantly higher. This […] Definition of Heat Sink in the Definitions.net dictionary. Variation of heat sink thermal resistance with the number of fins . It is not suitable for high profile heat sinks on account of the availability and fin efficiency. What does Heat Sink mean? 3. n. 1. Meaning of heat sink in engine analysis [closed] Ask Question Asked 6 years, 9 months ago. Heat sink size calculations can be daunting tasks for any one who does not have much experience in thermal analysis. It is not currently accepting answers. 1. a. Heat goes in from the fuel, but the metal is acting as a heat source as the heat goes out to the food. What is the meaning of a heatsink? The above tabulated ranges assume that the design has If this launch fails, we'll go bankrupt, ... You say if you can't stand the heat… There are commercially available heat sink design software that would allow you to design and analyze a heat sink to meet the thermal requirements of the device(s) to be cooled. A heat sink is a device that allows the transfer of heat away from the heat source. (thermodynamics) A material capable of absorbing heat. ... An allusion to the phrase "everything but the kitchen sink," meaning nearly everything one can reasonably imagine. To go below the surface of water or another liquid: We watched the leaky inner tube slowly sink. Generally, a microprocessor's temperature should not run in excess of 50-55 degrees Celsius while under a full load. sink definition: 1. to (cause something or someone to) go down below the surface or to the bottom of a liquid or…. Introduction There is a special branch in modern engineering design that works around energy, thermodynamics and heat transfer. ... heat sink - a metal conductor specially designed to conduct (and radiate) heat. Exactly where heat was sequestered in the oceans is not known with certainty, but there is broad agreement that the observed slowdown in surface temperature warming was the result of increased uptake of heat energy by the global ocean during those years. Active 6 years, 9 months ago. The definition of heat sink implies that there is only one direction of heat flow. heat sink synonyms, heat sink pronunciation, heat sink translation, English dictionary definition of heat sink. See more. heat sink definition in English dictionary, heat sink meaning, synonyms, see also 'heat barrier',heat capacity',heat barrier',atomic heat'. In Intel computers, the heatsink is positioned either on top … Information and translations of Heat Sink in the most comprehensive dictionary definitions resource on the web. Viewed 3k times 1 $\begingroup$ Closed. ... Tom's Hardware is supported by its audience. Based on our testing, if the heat sink is oriented as in Fig.3, the thermal performance will be approximately 25% worse than the Fig.2 orientation under natural convection condition. A Heat Sink is when a homosexual policeman pulls out his police truncheon sets it on fire and procedes to insert it up another policeman's bottom. Learn more. When you purchase through links on our site, we may earn an affiliate commission. 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