transverse flow effect

transverse flow effect
vibration in the rotor of a helicopter due to differential drag

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  • Transverse flow effect — is an aerodynamic effect encountered when the helicopter moves (typically forward) through the air.In a hover, the air above the rotor disk is being pulled down from above and is equally distributed around the rotor disk. The air is descending… …   Wikipedia

  • transverse flow effect — The unequal drag in the fore and aft parts of the rotor disc, which results in vibrations in most helicopters at speeds between 10 and 20 knots. In forward flight, air passing through the rear portion of the rotor disc has a greater downwash… …   Aviation dictionary

  • transverse strength — a measurement of strength when the load is applied across the longitudinal flow of the grain of a metal. Certain impurities such as sulphur have a detrimental effect on the transverse strength. This can be minimized by the inclusion modification… …   Mechanics glossary

  • Hall effect — For the Colombian band, see The Hall Effect (band). The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular …   Wikipedia

  • Spin Hall effect — The Spin Hall Effect (SHE) is a transport phenomenon predicted by the Russian physicists M.I. Dyakonov and V.I. Perel in 1971 [1,2] . It consist of an appearance of spin accumulation on the latteral surfaces of a current carrying sample, the… …   Wikipedia

  • Piezoresistive effect — The piezoresistive effect describes the changing electrical resistance of a material due to applied mechanical stress. The piezoresistive effect differs from the piezoelectric effect. In contrast to the piezoelectric effect, the piezoresistive… …   Wikipedia

  • Hall effect — Physics, Elect. the electromotive force generated in a strip of metal longitudinally conducting an electric current and subjected to a magnetic field normal to its major surface. [1900 05; named after Edwin H. Hall (1855 1938), American physicist …   Universalium

  • nernst effect — ˈne(ə)rn]zt , ˈnərn], ](t)st noun Usage: usually capitalized N Etymology: after Walther H. Nernst died 1941 German physicist & chemist : a transverse electromotive force produced when a metal through which a flow of heat occurs is placed in a… …   Useful english dictionary

  • Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …   Wikipedia

  • List of effects — This is a list of names for observable phenonema that contain the word effect, amplified by reference(s) to their respective fields of study. #*3D audio effect (audio effects)A*Accelerator effect (economics) *Accordion effect (physics) (waves)… …   Wikipedia

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