Results 41 to 50 of about 6,715 (145)

Investigation of Flow Characteristics in Valveless Piezoelectric Pumps with Airfoil Baffles at Varying Angles of Attack

Applied Sciences
To investigate the impact of airfoil angle of attack on the output performance of a valveless piezoelectric pump with airfoil baffles, this study conducted comprehensive performance tests and full-flow field simulations of piezoelectric pumps across a ...
Jun Huang, Hiba Affane, Bo Zhang, Ming Kuang, Jian Xiong, Siyao Zhang   +5 more
doaj   +1 more source

Investigation of a diaphragm–valve adaptive piezoelectric stack pump with a conical plug valve structure

Results in Engineering
Piezoelectric pumps have attracted significant attention in the field of fluid transport. However, most conventional piezoelectric pumps rely on structural resonance and often suffer from poor synchronization between the pump diaphragm and the check ...
Xiaoqi Hu, Kai Zhao, Caiqi Hu, Yichen Li
doaj   +1 more source

Optimal Design and Simulation of a Microsuction Cup Integrated with a Valveless Piezoelectric Pump for Robotics

Shock and Vibration, 2018
The traditional suction mechanism with an air pump in robotics is difficult to miniaturize. Integrating a piezoelectric pump into a suction cup is an effective method to achieve miniaturization.
Bingshan Hu, Hongliu Yu
doaj   +1 more source

Numerical Analysis of Fluid‒solid Interactions in a 3D Piezoelectric Micropump Featuring a Passive Check Valve [PDF]

Journal of Applied Fluid Mechanics
Piezoelectric micropumps have attracted considerable research attention due to their low production cost, compact size, and controllable output performance.
Y. F. Zhang, B. Zhou, Z. L. Deng
doaj   +1 more source

Research on Transport and Mixing Dynamics of Valveless Piezoelectric Pump with Airfoil Baffles

Transactions of Nanjing University of Aeronautics and Astronautics
To reduce the complexity of mixing systems and improve mixing efficiency， this paper proposes a valveless piezoelectric pump integrated with airfoil baffles， which embodies both active and passive mixing attributes. The airfoil baffles are designed using
XIONG Jian, KUANG Ming, WANG Lu, AFFANE Hiba, HUANG Yadong, HUANG Jun   +5 more
doaj   +1 more source

Optimization of a Piezoelectric Energy Harvester and Design of a Charge Pump Converter for CMOS-MEMS Monolithic Integration

Sensors, 2019
The increasing interest in the Internet of Things (IoT) has led to the rapid development of low-power sensors and wireless networks. However, there are still several barriers that make a global deployment of the IoT difficult.
Marcos Duque, Edgardo Leon-Salguero, Jordi Sacristán, Jaume Esteve, Gonzalo Murillo   +4 more
doaj   +1 more source

Recent Research on Structural Design, Performance Optimization, and Applications of Piezoelectric Pumps

Micromachines
With the advantages of simple structure, low power consumption, no electromagnetic interference, and fast response, piezoelectric pumps (PPs) have been widely used in the fields of chip cooling, biomedical applications, chemical applications, and fuel ...
Qiufeng Yan, Zhiling Liu, Le Wang, Wanting Sun, Mengyao Jiang   +4 more
doaj   +1 more source

Development and Field Test of Integrated Electronics Piezoelectric Accelerometer Based on Lead-Free Piezoelectric Ceramic for Centrifugal Pump Monitoring

Sensors
In this study, an Integrated Electronics Piezoelectric (IEPE)-type accelerometer based on an environmentally friendly lead-free piezoceramic was fabricated, and its field applicability was verified using a cooling pump owned by the Korea Atomic Energy ...
Byung-Hoon Kim, Dae-Sic Jang, Jeong-Han Lee, Min-Ku Lee, Gyoung-Ja Lee   +4 more
doaj   +1 more source

A Novel Hybrid Actuator Driven Magnetically in the Bi-Cell PEM Fuel Cell Stack

Metals, 2017
This study develops an air breathing pump driven by a piezoelectric actuator for a proton exchange membrane fuel cell (PEMFC) stack. Permanent magnets are combined with a piezoelectric actuator to drive three air breathing pumps using magnetic force ...
Hsiaokang Ma, Yuanlung Hsu, Poching Hsu
doaj   +1 more source

Simulation Analysis and Performance Test of a Compressible Piezoelectric Pump Fluid Cavity. [PDF]

Micromachines (Basel), 2022
Liu X, Wang T, Wang H, Hou J, Liu J, Lin J, Li S, Wang Z, Tian X, Yang Z.   +9 more
europepmc   +1 more source