Georgia Tech Research Corporation

Other

Kenneth Arthur Cunefare

William John Koros

Stephen D Carter

Elliott Gruber

Alper Erturk

Anne-Marie Albanese Lerner

Aspects of the present disclosure relate to systems and methods for harvesting energy from the pressure ripple of a fluid system. In an example embodiment, a system comprises a housing; a piezoelectric stack in fluid communication with a pressure ripple of a fluid system and configured to generate a piezoelectric voltage and an associated piezoelectric current in response to pressure ripple characteristics, wherein the piezoelectric stack is disposed within the housing; and regulatory circuitry in electrical communication with the piezoelectric stack and configured to convert the piezoelectric current into DC voltage.

Systems and methods for harvesting piezoelectric energy from hydraulic pressure fluctuations

A syntactic foam of a host matrix and inclusions dispersed in the host matrix, wherein at least a portion of the inclusions include microspheres containing a charge gas and having an internal pressure of greater than 0.1 MPa.

Syntactic foam with residual internal pressurization

The inventions include an adaptive vibration absorber (AVA) and variation thereof including variations in methods and systems of usage. An exemplary AVA may operate adaptively over an appropriate relatively wide bandwidth or frequency range in vibration absorption without adding energy to the system and the problems associated with such energy addition. Further, the exemplary AVA may be of low cost as well sa lightweight and compact.

Adaptable vibration absorber employing a magnetorheological elastomer with variable gap length and methods and systems therefor

An apparatus and associated method for decontaminating contaminated matter, such as an object or substance, with ultrasonic transient cavitation is disclosed. The apparatus comprises a container for containing a contaminated object, a pressure source for pressurizing the container to a predetermined pressure, a vibration source operably connected to the container, and a cleaning solution comprising a predetermined concentration of a volatile substance. The presence of the volatile substance in the cleaning solution, along with the pressurization and vibration thereof, enhances the effect of ultrasonic transient cavitation and improves decontamination of the contaminated matter. An associated method of decontaminating contaminated matter further comprises submerging the contaminated matter, such as a medical or dental instrument, in a cleaning solution having a predetermined concentration of a volatile substance, pressurizing the container, and vibrating the cleaning solution to produce ultrasonic transient cavitation therein.

Growing community of inventors

Atlanta, GA, United States of America

Kenneth Arthur Cunefare