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A Honeywell GTCP36 APU mounted in the tail of a business jet The APU exhaust in the tailcone of an Airbus A380. An auxiliary power unit (APU), is a device on a vehicle that provides energy for functions other than propulsion. They are commonly found on large aircraft and naval ships as well as some large land vehicles.
American Public University System (APUS) is a private, for-profit, online university system with its headquarters in Charles Town, West Virginia. It is composed of American Military University (AMU) and American Public University (APU). APUS is wholly owned by American Public Education, Inc., a publicly traded private-sector corporation (Nasdaq ...
A fuel cell auxiliary power unit (FC-APU) is a fuel cell based auxiliary power unit on a vehicle that provides energy for functions other than propulsion. They are mainly used in trucking, aviation, marine and recreational vehicles.
Honeywell auxiliary power units are a series of gas turbine auxiliary power units (APU) made by Honeywell Aerospace. Honeywell started manufacturing APUs in the early 1950s and since then they can be found on many aircraft. [1] Over the years Honeywell have produced more than 95,000 APUs and more than 36,000 are still in service. [2]
AMD announced the Brazos-T platform on 9 October 2012. It comprised the 4.5-watt AMD Z-Series APU (codenamed Hondo) and the A55T Fusion Controller Hub (FCH), designed for the tablet computer market. [42] [43] The Hondo APU is a redesign of the Desna APU. AMD lowered energy use by optimizing the APU and FCH for tablet computers. [44] [45]
The main difference between the desktop and laptop versions is that the desktop version cuts the features which are aimed at notebook usage, including variable LCD backlight brightness. The PowerPlay technology for Radeon desktop graphics features three usage scenarios: normal mode (2D mode), light gaming mode and intensive gaming mode (3D mode ...
PUE was introduced in 2006 and promoted by The Green Grid (a non-profit organization of IT professionals) in 2007, and has become the most commonly used metric for reporting the energy efficiency of data centres. [10] Although it is named "power usage effectiveness", it actually measures the energy use of the data centre. [10]
Energy consumption figures for a standard workload may make it easier to judge the effect of an improvement in energy efficiency. When performance is defined as operations / second , then performance per watt can be written as operations / watt-second .