Results 1 to 10 of about 6,665 (104)

Equivalent Circuit Modeling for a Valveless Piezoelectric Pump [PDF]

open access: yesSensors, 2018
Various kinds of the models had been proposed to explain the relationship between the performance and the structural parameters of valveless piezoelectric pumps, so as to evaluate the functional performance such devices.
Jianhui Zhang, Yuan Wang, Jun Huang
doaj   +4 more sources

Working Mechanisms and Experimental Research of Piezoelectric Pump with a Cardiac Valve-like Structure [PDF]

open access: yesMicromachines, 2022
In this study, based on the working principle of the cardiac valve structure that prevents blood from flowing back, a piezoelectric pump with a cardiac valve-like structure (PPCVLS) is designed.
Jiayue Zhou   +5 more
doaj   +2 more sources

Resonant-Type Piezoelectric Pump Driven by Piezoelectric Stacks and a Rhombic Micro Displacement Amplifier [PDF]

open access: yesMicromachines, 2023
To obtain a high flow rate, a resonant-type piezoelectric pump is designed, fabricated, and studied in this paper. The pump consists of four parts: a piezoelectric vibrator, a pump chamber, a check valve and a compressible space.
Chunli Zhu   +5 more
doaj   +2 more sources

Analysis of the characteristics of valveless piezoelectric pump with crescent dune bluff body [PDF]

open access: yesScience Progress, 2023
To improve the output flow characteristics of the piezoelectric pump in one direction, a new valveless piezoelectric pump with a crescent dune bluff body has been proposed.
Changxiong Xie   +5 more
doaj   +2 more sources

Improving Output Performance of a Resonant Piezoelectric Pump by Adding Proof Masses to a U-Shaped Piezoelectric Resonator [PDF]

open access: yesMicromachines, 2021
This study proposes the improvement of the output performance of a resonant piezoelectric pump by adding proof masses to the free ends of the prongs of a U-shaped piezoelectric resonator.
Jian Chen   +4 more
doaj   +2 more sources

A Theoretical and Experimental Study of a Piezoelectric Pump with Two Elastic Chambers [PDF]

open access: yesSensors, 2020
The paper is a continuation of our work on the dynamic load in piezoelectric pumps. In the study, the dynamic load of liquid in the pipelines was proposed as a key factor that limits the output performance of piezoelectric pumps.
Xiaolong Zhao, Dingxuan Zhao, Qinghe Guo
doaj   +2 more sources

Advances in Valveless Piezoelectric Pumps

open access: yesApplied Sciences, 2021
Piezoelectric pump design is regarded as a hot research topic in the microfluidic field, and has been applied in liquid cooling, precision machinery and other relevant domains.
Qiufeng Yan   +3 more
doaj   +3 more sources

Matching the Optimal Operating Mode of Polydimethylsiloxane Check Valves by Tuning the Resonant Frequency of the Resonator in a Piezoelectric Pump for Improved Output Performance [PDF]

open access: yesMicromachines, 2022
This paper proposes to improve the output performance of a piezoelectric pump by matching the resonant frequency of the resonator to the optimal operating mode of bridge-type polydimethylsiloxane (PDMS) check valves.
Jian Chen   +5 more
doaj   +2 more sources

Research on Inlet and Outlet Structure Optimization to Improve the Performance of Piezoelectric Pump [PDF]

open access: yesMicromachines, 2020
As piezoelectric pumps are used in more fields, they are gradually failing to meet the application requirements due to their low output performance. Therefore, improving the output performance of piezoelectric pumps helps to expand their applications ...
Xiaolong Zhao   +3 more
doaj   +2 more sources

Design and Analysis of a Cardioid Flow Tube Valveless Piezoelectric Pump for Medical Applications [PDF]

open access: yesSensors, 2023
Piezoelectric pumps play an important role in modern medical technology. To improve the flow rate of valveless piezoelectric pumps with flow tube structures and promote the miniaturization and integration of their designs, a cardioid flow tube valveless ...
Jialong Wang   +8 more
doaj   +2 more sources

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