fluid damper
41stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
42Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
43HVAC — may also stand for High voltage alternating current. See also: Glossary of HVAC HVAC systems use ventilation air ducts installed throughout a building that supply conditioned air to a room through rectangular or round outlet vents, called… …
44Stall (flight) — For other uses, see stall. In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is… …
45Arresting gear — (A.K.A. A Gear ) is the term used for mechanical systems designed to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOBAR… …
46Magnetorheologische Flüssigkeit — Als magnetorheologische Flüssigkeit (MRF) bezeichnet man eine Suspension von magnetisch polarisierbaren Partikeln (Carbonyleisenpulver), die in einer Trägerflüssigkeit fein verteilt sind. MRF auf einer Petrischale; reagiert auf einen stabförmigen …
47Chevrolet Corvette (C2) — This article is about the second generation Chevrolet Corvette (C2). For general Corvette information, see Chevrolet Corvette. Chevrolet Corvette (C2) 1967 Chevrolet Corvette Sting Ray 427 Convertible Manufacturer Chevrolet Division of …
48butterfly valve — noun Date: 1846 1. a valve consisting of two semicircular clappers hinged to a cross rib that permits fluid flow in only one direction 2. a damper or valve in a pipe consisting of a disk turning on a bisecting axis …
49Oscillation — For other uses, see oscillator (disambiguation) and oscillation (mathematics). An undamped spring–mass system is an oscillatory system. Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a… …
50Aileron — For the band, see The Ailerons …
