heat sink definition computer

The majority of heat … Plural form of heat sink. en.wiktionary.org. Learn more. It's amazingly detailed -- separate gingerbread RAM, heat-sink, etc, all lovingly assembled on a gingerbreadboard. Global Hot Air « Lean Left. Heat transfer from the heat sink consists of radiation and convection from both the intra-fin passages and ... such as computer chips, electronics, and telecommunication boxes. Internet Dictionaries. ‘Every computer contains a device known as a heat sink.’ ‘The expanding universe is quite an effective heat sink.’ ‘Judging by the small size of the heat sink and fan … See more. It's easier to clean a heat sink on a desktop PC than it is to clean on a laptop, but you may be able to find a tutorial on how to get at the heat sink on even the most complicated laptop. Computer dictionary definition for what heat sink means including related links, information, and terms. conductor - a device designed to transmit electricity, heat, etc. Thermal paste (also called thermal compound, thermal grease, thermal interface material (TIM), thermal gel, heat paste, heat sink compound, heat sink paste or CPU grease) is a thermally conductive (but usually electrically insulating) chemical compound, which is commonly used as an interface between heat sinks and heat sources such as high-power semiconductor devices. Cooling fluid from the reservoir was pumped (1) through the flow meter (2) to the heat sink (3). The main advantages of natural convection are high Active heat sinks are used in liquid cooling system. Search heat sink and thousands of other words in English definition and synonym dictionary from Reverso. Some also require a fan. But sometimes the heat sink itself can become too hot. Heat sink definition is - a substance or device that absorbs or dissipates especially unwanted heat (as from a process or an electronic device). sink - (technology) a process that acts to absorb or remove energy or a substance from a system; "the ocean is a sink for carbon dioxide" Nearly all computers have heat sinks , which help keep the CPU cool and prevent it from overheating. Types of heat sink Active Heat Sink. The main objective of this paper is to investigate the effects on thermal performance under axial fan and micro blower airflow for different gap/length ratio heat sinks. Define heat sink. A component designed to lower the temperature of an electronic device by dissipating heat into the surrounding air. A heat sink is a metal plate that is specially designed to conduct and radiate heat away from an electrical component. Actually, What exactly is a heat? Basic heat sink heat transfer principle. T sa is the average temperature difference between the heat sink and the ambient air. Heat sink Definition from Computer & Internet Dictionaries & Glossaries. What does CPU heat sink actually mean? The heat sink has a thermal conductor that carries heat away from the CPU into fins that provide a large surface area for the heat to dissipate throughout the rest of the computer, thus cooling both the heat sink and processor. A component designed to lower the temperature of an electronic device by dissipating heat into the surrounding air. Internet Glossary. Otherwise, it can have a very negative effect on its performance and in extreme cases, the system will shut down if the heat is excessive. Smartphones or tablets do not have space for heat sinks or fans. heat sink definition: 1. a substance or object that absorbs heat: 2. a device in a computer, mobile phone, etc. Video cards therefore need to employ heat sinks, which consist of metal strips to distribute the heat evenly and dissipate the heat into the surrounding air. Heat sink. The heat sink for this computer's processor is not visible until this duct is removed from the computer. The metal heat sink ensures good heat dispersal and allows a low hot-spot temperature. Passive Heat Sink. Even if you can't find your model, the tutorial for a similar model can be useful. After the duct is removed, the computer processor and the heat sink should be visible. All modern CPUs require a heat sink. Heat sink is an electronic component or a device of an electronic circuit which disperses heat from other components (mainly from the power transistors) of a circuit into the surrounding medium and cools them for improving their performance, reliability and also avoids the premature failure of the components. heat sinks Definitions. A heat sink is an object that transfers thermal energy from a higher temperature to a lower temperature fluid medium. This utilizes power for cooling process. en.wiktionary.2016 ... Also taught is an interface plate adapted to cool multiple electronic components using a single external heat sink. How does the Heat Sink Calculator Work? The heat transfer efficiencies have been measured for a wide range of heat sink configurations, and their ranges are listed in Table 4. The fluid medium is frequently air, but can also be water or in the case of heat exchangers, refrigerants and oil. For the cooling purpose,it incorporates a fan or cooling device. A heat sink is a device that allows the transfer of heat away from the heat source. Figure 2: Axial fan-heat sinks systems for portable computer. 1. A CPU fan works in conjunction with a heat sink to prevent this. Heat sink design goals may vary, but in this report, optimization of the vertical heat sink is the main objective. #1 – Extruded Heat Sinks. heat sink - a metal conductor specially designed to conduct (and radiate) heat. n. 1. For this computer, the duct system can be removed by pressing in on the clips and pulling the duct away from the processor. THIS DEFINITION IS FOR PERSONAL USE ONLY. In doing so, the It can be in the form of a paste or jelly or a simplealuminum structure which is attached to the heat source. A heat sink without a fan is called a passive heat sink; a heat sink with a fan is called an active heat sink. When the heat sink utilizes fan (HSF) it is active heat sink. Find out inside PCMag's comprehensive tech and computer-related encyclopedia. Of the three resistances, we can really only control the last two because the component’s thermal resistance is defined by the manufacturer. and fan to cool them down. A computer motherboard. After passing the heat sink, the liquid was cooled down in the external heat exchanger (4) and collected in the reservoir (5). Heatsinks leverage a thermal conductor to move the heat into fins, which have larger surface areas and thus disperse the heat throughout the computer. Some also require a fan. that…. heat sink synonyms, heat sink pronunciation, heat sink translation, English dictionary definition of heat sink. All modern CPUs require a heat sink. 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 hot. CPU fans often work together with heat sinks to keep a computer cool. The correct definition of heat says that it is the total kinetic energy of all atoms or molecules of a substance. The mentioned heat sink is part of an experimental setup presented in Fig. Selecting the Heat Sink and Compound. Both a heat sink and a radiator require airflow and, therefore, both have fans built in. This heat needs to be removed from the component Heat Sink. When a computer is in use, electrical activity within the CPU and chipset generates considerable heat, which if not dissipated, will damage or even melt the chips, making them inoperable. Boing Boing: December 11, 2005 - … CISC CPUs are usually built into a system which has a heat sink. Let’s take a look at 6 common heat sink types. Disconnect the fan Heat Sink on a Chip This type of heat sink is glued to the top of the chip, typically a CPU chip, which generates considerable heat. Aluminum-cased wirewound resistors are designed to be attached to a heat sink to dissipate the heat. Heat sink definition, any environment or medium that absorbs heat. Use a search engine. A heat sink is a metallic device that sits directly on the CPU, drawing heat away from the chip into its cooler, aluminum, fin-like structure. where, m is the mass flow rate through the heat sink, c is the heat capacity of the fluid, and. 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… To prevent this or tablets do not have space for heat sinks '' dictionary. 'S comprehensive tech and computer-related encyclopedia external heat sink - a device designed to the. Average temperature difference between the heat sink is an object that transfers thermal energy from a higher temperature a! Conduct ( and radiate heat away from an electrical component the metal heat sink or object that absorbs:... 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