Essays about: "Piezoelectric Element"

Showing result 1 - 5 of 8 essays containing the words Piezoelectric Element.

  1. 1. An Investigation on PVDF Piezoelectric Elements and Linear Array Transducers

    University essay from Lunds universitet/Teknisk akustik; Lunds universitet/Institutionen för byggvetenskaper

    Author : Ali Alkhudri; [2017]
    Keywords : Ultrasonic Transducer; Piezoelectric Element; PVDF; Frequency; Ultrasound Wave Penetration; PZT; Acoustic Impedance; raw data; linear array transducer; Technology and Engineering;

    Abstract : Ultrasonic waves are widely used in different application e.g. for sonar scanning in water and fetal imaging. Furthermore it is used for doing measurements on different materials to determine the thickness of the material or the velocity of sound inside it. READ MORE

  2. 2. Energy Harvesting for Electronic Systems

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Oscar Ridell; Pål Nilsson; [2017]
    Keywords : Energy Harvesting; Energy Scavenging; Photovoltaic cells; Electromagnetics; Piezoelectric element; Radiofrequency; Thermoelectric element; Science General; Technology and Engineering;

    Abstract : Energy harvesting enables products to become more self-sufficient of power and offers the possibility to avoid battery exchange and power cables. The performance and applicability of the most promising or popular small scale energy harvesting technologies are investigated in this thesis. READ MORE

  3. 3. Tactile resonance method for measuring stiffness in soft tissue - evaluation of piezoelectric elements and impression depth using a silicone model

    University essay from Umeå universitet/Institutionen för fysik

    Author : Tobias Tovedal; [2017]
    Keywords : Tissue stiffness; Resonance sensor; Prostate cancer; Piezoelectric; Tactile sensor;

    Abstract : An instrument is being developed at the Department of Biomedical Engineering; Research and Development (MT-FoU), at the University Hospital of Umeå with the aim to detect prostate cancer ex vivo. Using a combination of tactile resonance technology and Raman spectroscopy the instrument is intended to be used in the operating room during radical prostatectomy to identify positive surgical margins. READ MORE

  4. 4. Improvements in reproducibility, throughput and capacity of microfluidic acoustic trapping systems

    University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

    Author : Daniel Glifberg; [2016]
    Keywords : acoustic trapping; microfluidics; acoustofluidics; Technology and Engineering;

    Abstract : Acoustic trapping is a novel technology that allows for microfluidic sample preparation and pretreatment. The aim of this text is to give the reader a general insight in microfluidics with a focus on acoustic trapping. READ MORE

  5. 5. Simulation and study of passive shunt damping of a composite plate by embedded PZT transducers

    University essay from KTH/Lättkonstruktioner

    Author : Robert Jansson; [2016]
    Keywords : ;

    Abstract : This report investigates the possibility of simulating a fiber composite plate with embedded piezoelectric transducers connected to shunt circuits in order to control vibration. The simulation model is validated in steps of discipline, both analytic and experimentally. READ MORE