flap

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flap

1. Aviation a movable surface fixed to the trailing edge of an aircraft wing that increases lift during takeoff and drag during landing
2. Surgery a piece of tissue partially connected to the body, either following an amputation or to be used as a graft

flap

[flap]
(aerospace engineering)
Any control surface, such as a speed brake, dive brake, or dive-recovery brake, used primarily to increase the lift or drag on an airplane, or to aid in recovery from a dive.
Any rudder attached to a rocket and acting either in the air or within the jet stream.

flap

flap
i. Auxiliary controls built into the wings and used to increase the camber. Flaps may be on the leading or the trailing edges. Trailing edge flaps reduce the stalling angle, whereas leading edge flaps increase the stalling angle when referred to the chord line of the original nonflapped airfoil. Flaps permit aircraft to fly at a lower speed, permitting better control on takeoff and a lower approach speed for landing. Flaps also increase drag, permitting aircraft to descend at a steeper angle. There are various kinds of flaps, such as splits, fowlers, zaps, and slotted.
ii. Short for cowl flaps. See cowl flap.
iii. The up-and-down movement of the tip of a helicopter rotor blade. See flapping.

FLAP

(1)
A symbolic mathematics package for IBM 360.

["FLAP Programmer's Manual", A.H. Morris Jr., TR-2558 (1971) US Naval Weapons Lab].

[Sammet 1969, p. 506].

flap

(storage, jargon)
To unload a DECtape (so it goes flap, flap, flap). Old-time hackers at MIT tell of the days when the disk was device 0 and microtapes were 1, 2, etc. and attempting to flap device 0 would instead start a motor banging inside a cabinet near the disk.

The term is used, by extension, for unloading any magnetic tape. See also macrotape. Modern cartridge tapes no longer actually flap, but the usage has remained.

The term could well be re-applied to DEC's TK50 cartridge tape drive, a spectacularly misengineered contraption which makes a loud flapping sound, almost like an old reel-type lawnmower, in one of its many tape-eating failure modes.

flap

(networking)

FLAP

The communications protocol used by AOL Instant Messenger (AIM). FLAP runs over TCP/IP and provides the header format for transmitting IM commands and data. It includes the SNAC data type, which is the primary data structure transmitted between clients and servers. See OSCAR.
References in periodicals archive ?
Radial Forearm Free Flap was harvested (Figure-1) with radial artery and its associated veins.
Flap cover is indicated when the underlying flexor tendons or skeleton are exposed or any of the soft tissues have required suture [2].
Thin perforator flaps such as the ALT, the latissimus dorsi perforator and SCIA perforator flap can be used.
Management of perioperative microvascular thrombotic complications-The use of multiagent anticoagulation algorithm in 395 consecutive free flaps. J Plast Reconstr Aesthet Surg 2015; 68: 1293-303.
The most frequently used surgical methods include excision-primary repair, excision-marsupialization, excision-leaving open, Bascom's operation, Karydakis operation, VYZ plasty, and Limberg flap and oval flap techniques.
Because the flaps have to be elevated in Z-plasties, in case of a poorly vascularized bed, distal flap necrosis can occur.
Consequently, local vascularized grafts of fibularis brevis cannot depend adequately on these perforating branches since rotation of the flaps may jeopardize their blood supply.
On takeoff, gear warning light illuminated with full power, flaps up.
Unsurpassed reliability of free flaps for head and neck reconstruction.
Scalp defect are being managed at various reconstructive centers in the country but till date no authentic data is available regarding the outcome where free flaps are used.
In the study of Cheung et al, the frequency of lingual nerve damage during surgical removal of impacted mandibular third molar with lingual flap retraction was found to be 0.91% whereas without lingual flap retraction was 0.58 % with a sample size of 4338 cases.
Furla Like comes in two versions: the threetoned Oasi Double calfskin version combines gray, white and black while the second has a black base with a flap in leopard print fur.