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Socket AM4 is a PGA microprocessor socket used by AMD's central processing units (CPUs) built on the Zen (including Zen+, Zen 2 and Zen 3) and Excavator microarchitectures. [1] [2] AM4 was launched in September 2016 and was designed to replace the sockets AM3+, FM2+ and FS1b as a single platform.
The choice of working fluids is known to have a significant impact on the thermodynamic as well as economic performance of the cycle. A suitable fluid must exhibit favorable physical, chemical, environmental, safety and economic properties such as low specific volume (high density), viscosity, toxicity, flammability, ozone depletion potential (ODP), global warming potential (GWP) and cost, as ...
R-410A was invented and patented by Allied Signal (now Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
R-12 was used in most refrigeration and vehicle air conditioning applications prior to 1994 before being replaced by 1,1,1,2-tetrafluoroethane (R-134a), which has an insignificant ozone depletion potential. Automobile manufacturers began phasing in R-134a around 1993 [citation needed].
AM4 or AM-4 may refer to: Socket AM4, a socket for AMD processors utilizing the Zen microarchitecture; Amusement Vision, video game developer formerly known as Sega-AM4; USS Swallow (AM-4), a U.S. Navy minesweeper; Ekspress-AM4, a Russian satellite that never reached its intended orbit; Another name for AAA battery
A DuPont R-134a refrigerant. A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again.
GCN 2 nd gen: 1.2 11 (FL 12_0) 12 (FL 12_0) 2.0 (1.2 in MacOS, Linux) 2.1 Beta in Linux ROCm 2.2 possible 2013 Radeon HD 7790 Volcanic Islands: GCN 3 rd gen: 2014 Radeon R9 285 Arctic Islands: GCN 4 th gen: 28 nm 14 nm 1.2 1.3 (GCN 4) Supported 2016 Radeon RX 480 Polaris: 2017 Radeon 520/530 Radeon RX 530/550/570/580 Vega: GCN 5 th gen: 14 nm 7 ...
Hydrocarbon refrigerants (a propane/isobutane blend) were also used extensively in mobile air conditioning systems in Australia, the US and many other countries, as they had excellent thermodynamic properties and performed particularly well in high ambient temperatures.