actuator disk
1Disk loading — The MV 22 Osprey tiltrotor has a relatively high disk loading, producing visible blade tip vortices from condensation of the marine air in this photo of a vertical takeoff …
2Disk-drive performance characteristics — are the attributes which control the time it takes to transfer (read or write) data between a computer and a data storage device (most typically disk storage) starting with the initial command from the computer or host until the storage device… …
3Disk storage — or disc storage is a general category of storage mechanisms, in which data are digitally recorded by various electronic, magnetic, optical, or mechanical methods on a surface layer deposited of one or more planar, round and rotating disks (or… …
4actuator — noun /ˈæk.tjuː.eɪt.ə(ɹ)/ a) Something that actuates something else, especially a mechanism that causes a device to be switched on or off b) The mechanism that moves the head assembly on a disk drive …
5Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
6Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… …
74FDC Floppy Disk Controller — The Cromemco 4FDC Floppy Disk Controller is designed to interface both 5 and 8 inch floppy disk drives to the S 100 computer bus used in Cromemco and other IEEE 696 computers. It also contains an RS232 serial I/O channel with software selectable… …
8Momentum theory — In fluid dynamics, the momentum theory or disk actuator theory is a theory describing a mathematical model of an ideal actuator disk, such as a propeller or helicopter rotor, by W.J.M. Rankine (1865), Alfred George Greenhill (1888) and R.E.… …
9Betz'sches Gesetz — Das Betzsche Gesetz stammt von dem deutschen Ingenieur Albert Betz (1885 1968). Er formulierte es erstmals im Jahr 1919. Sieben Jahre später (1926) erschien es in seinem Buch „Wind Energie“. Das Gesetz besagt, dass eine Windkraftanlage maximal… …
10Betzsches Gesetz — Das Betzsche Gesetz stammt von dem deutschen Ingenieur Albert Betz (1885–1968). Er formulierte es erstmals im Jahr 1919. Sieben Jahre später erschien es in seinem Buch Wind Energie und ihre Ausnutzung durch Windmühlen. Der britische Ingenieur… …
