low-noise propeller

low-noise propeller
Техника: малошумный гребной винт

Универсальный англо-русский словарь. . 2011.

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  • Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia

  • low-pitched — 1) ADJ GRADED A sound that is low pitched is deep. With a low pitched rumbling noise, the propeller began to rotate. 2) ADJ GRADED A voice that is low pitched is very soft and quiet. He kept his voice low pitched in case someone was listening …   English dictionary

  • Aircraft noise — is defined as sound produced by any aircraft or its components, during various phases of a flight, on the ground while parked such as auxiliary power units, while taxiing, on run up from propeller and jet exhaust, during take off, underneath and… …   Wikipedia

  • Active noise control — (ANC) (also known as noise cancellation, active noise reduction (ANR) or antinoise) is a method for reducing unwanted sound. Contents 1 Explanation 2 Applications 3 See also 4 …   Wikipedia

  • Ducted propeller — Kort nozzle A ducted propeller is a propeller fitted with a non rotating nozzle. It is used to improve the efficiency of the propeller and are especially used on heavily loaded propellers or propellers with limited diameter. It was developed by… …   Wikipedia

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  • Ikara (missile) — Infobox Weapon is missile=yes caption=Ikara missile on launcher name=Ikara type=Anti submarine origin=Australia era=1960s launch platform=Ship borne target=Submarines manufacturer=Australian Government Aircraft Factories/Commonwealth Aircraft… …   Wikipedia


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