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Insides of a slip-stick piezoelectric motor. Two piezoelectric crystals are visible that provide the mechanical torque. [1]A piezoelectric motor or piezo motor is a type of electric motor based on the change in shape of a piezoelectric material when an electric field is applied, as a consequence of the converse piezoelectric effect.
Engine configuration is a single stage fan, with booster stage, driven by a two-stage LP turbine, supercharging a centrifugal HP compressor, driven by a single stage HP turbine. [3] An annular combustor is featured.
The Kuznetsov NK-32 is an afterburning three-spool low bypass turbofan jet engine which powers the Tupolev Tu-160 supersonic bomber, and was fitted to the later model Tupolev Tu-144LL supersonic transport. It produces 245 kN (55,000 lb f) of thrust in afterburner.
Ultrasonic motors also offer arbitrarily large rotation or sliding distances, while piezoelectric actuators are limited by the static strain that may be induced in the piezoelectric element. One common application of ultrasonic motors is in camera lenses where they are used to move lens elements as part of the auto-focus system.
By Humeyra Pamuk. BRUSSELS (Reuters) - Ukraine needs to get younger people into the military to succeed in the war being waged against it by Russia, U.S. Secretary of State Antony Blinken said on ...
As the image shows, the engine fit neatly into the motorcycle frame. Engines with cylinders arranged radially but only in the upper half-circle were termed fan type, or semi-radials; by about 1910 other manufacturers were building e.g. five-cylinder fan engines, most notably R.E.P. Three-cylinder fans were known as W or W-3 engines. The appeal ...
United States border patrol agents in Washington seized more than $1.1 million worth of cocaine near the Canadian border last week. Agents assigned to the Blaine Sector in Lynden, Washington found ...
SHE DID IT AGAIN! Wisdom, the world’s oldest known wild bird, is back with a new partner and just laid yet another egg. At an approximate age of 74, the queen of seabirds returned to Midway ...
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