unimorph

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unimorph

[′yü·nə‚mȯrf]

(electronics)

A piezoelectric microphone that consists of a single piezoelectric disk cemented to a thin metal plate.

References in periodicals archive ?

Moreover, it is judged that this sensor can be applied to large-sized structure since it is possible to install large numbers of generators at relatively low cost by using unimorph piezoelectric sensor which is easy to handle.

Wave Power Generation by Piezoelectric Sensor Attached to a Coastal Structure

The cantilever transducer has different configurations such as bimorph, unimorph, and rainbow [23].

Multiresonant Frequency Piezoelectric Energy Harvesters Integrated with High Sensitivity Piezoelectric Accelerometer for Bridge Health Monitoring Applications

A peak power of 615 ^W was obtained with an adhered double-layer stalk of 72 x 16 x 0.41 mm at 8 m/s on a 5 Mi load and the maximum power density of 2036 [micro]W/[m.sup.3] was obtained with a unimorph narrow-short stalk of 41 x 8 x 0.205 mm at 7 m/s on a 30 Mi load.

Toward Small-Scale Wind Energy Harvesting: Design, Enhancement, Performance Comparison, and Applicability

Finite Element Analysis of Galfenol Unimorph Vibration Energy Harvester, IEEE Transactions on Magnetics 48(11): 3977-3980.

Magnetostrictive actuator with differential displacement amplification mechanism

Design and simulation of unimorph piezoelectric energy harvesting system, in COMSOL Conference in Bangalore, 17-18 October 2013, Bangalore, India.

Piezoelectric systems as an alternative energy source/Pjezoelektriniu energijos surinkimo sistemu apzvalga

An analytical approach based on strain energy evaluation is presented in order to model the unimorph piezoelectric circular diaphragm.

Analytical optimization of piezoelectric circular diaphragm generator

Piezoelectric fibers, a piezoceramic wafer or a piezoceramic unimorph structure are mounted within the tire such that an electric charge is generated as the wheel assembly moves along a ground surface and is stored in energy storage devices.

System and method for generating electric power from a rotating tire's mechanical energy

Called Thunder (for thin-layer composite unimorph ferroelectric driver and sensor), the new technology is based on a piezoelectric ceramic wafer attached to a metal backing with a polyimide adhesive, according to Joycelyn Simpson, a materials research engineer in Langley's Composites and Polymers Branch.

Smart skis and other adaptive structures

Typically, the vibration-induced piezoelectric energy harvester is composed of a cantilever beam with a tip mass and one or two layers of piezoelectric material (simply called unimorph or bimorph, resp.).

Design and Experimental Study of an L Shape Piezoelectric Energy Harvester

According to the different structures, piezoelectric transducers can be divided into unimorph, bimorph, rainbow type, cymbal type, moonie type, stack type, and so forth [56, 57, 59-63].

Harvesting ambient environmental energy for wireless sensor networks: a survey

At room temperature and ambient pressure, unimorph and bimorph, which utilize the lateral extensional piezoelectric effect, are considered as a promising solution for sensing and energy harvesting [7, 8].

Improved performance of the piezoelectric monomorph with perpendicular electrode connections for sensing and energy harvesting

(iv) the production of the material in different types of morphology (unimorph, bimorph, s-morph, etc.);

Optimum Operating Conditions of ([Pb.sub.x][X.sub.1 - x])([Zr.sub.y][Ti.sub.z][Y.sub.1 - y - z]) Piezoelectric Transducer for Vibrational Energy Harvesting Applications