PIEZOELECTRIC MEASURING ELEMENT FOR MEASURING THE DYNAMIC AND STATIC PRESSURE AND/OR THE TEMPERATURE

A measuring element for measuring dynamic pressure, temperature and/or static pressure includes a body made of a piezoelectric material and having opposing side surfaces carrying electrodes. The piezoelectric material of the body is selected in such a manner that a thrust coefficient of the piezoele...

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Bibliographic Details
Main Authors SOMMER, Roland, CAVALLONI, Claudio
Format Patent
LanguageEnglish
French
German
Published 16.12.2020
Subjects
ELECTRICITY
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
WEIGHING
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Summary:A measuring element for measuring dynamic pressure, temperature and/or static pressure includes a body made of a piezoelectric material and having opposing side surfaces carrying electrodes. The piezoelectric material of the body is selected in such a manner that a thrust coefficient of the piezoelectric e-tensor is not equal to zero, with the result that the inverse piezoelectric effect can be used, and a transverse coefficient of the piezoelectric d-tensor is not equal to zero and/or a longitudinal coefficient of the piezoelectric d-tensor is not equal to zero, with the result that the transverse piezoelectric effect can be used in the transverse direction and/or the longitudinal piezoelectric effect can be used in the longitudinal direction in a simultaneous manner with the inverse piezoelectric effect.
Bibliography:Application Number: EP20150715133