Results 31 to 40 of about 191 (125)
A Valveless Piezoelectric Micropump Based on Projection Micro Litho Stereo Exposure Technology
IEEE Access, 2019 At present, the micropumps are usually adopted in microelectromechanical systems (MEMS) process, which is characterized by high technical complexity and expense, to obtain micro-scale internal channels. Moreover, the MEMS process is more suitable for the
Jun Huang +5 more
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Elucidation of Droplet Formation Mechanisms by Vibrating Mesh Atomizers
Chemical Engineering &Technology, Volume 48, Issue 7, July 2025.The knowledge about the functionality of atomizers is of fundamental importance for their application. In case of the metal mesh atomizers, the operating principle is highly discussed. This study examines the dependencies, such as volume flow rate, droplet size distribution, and efficiency, on the operating conditions of this type of atomizer and shows
Enrico M.A. Ercolin +5 more
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IEEE Access, 2019 Valve-less piezoelectric pumps possess the advantages of simple structure and absence of electromagnetic interference, which has accordingly drawn widespread attention. In this paper, in order to improve the performance of valve-less piezoelectric pumps,
Jiajian Ji +6 more
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The Role of Silicon Technology in Organ‐On‐Chip: Current Status and Future Perspective
Advanced Materials Technologies, Volume 10, Issue 9, May 6, 2025.This review explores the potential of silicon micro‐nanofabrication technologies in advancing organ‐on‐chip systems. The integration of actuation and sensing modalities, highlight emerging technologies is discussed for combining silicon‐based and polymer‐based components, and emphasize the need for robust, high‐throughput, and customizable organ‐on ...
Frøydis Sved Skottvoll +2 more
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Research on Transport and Mixing Dynamics of Valveless Piezoelectric Pump with Airfoil Baffles
Transactions of Nanjing University of Aeronautics and AstronauticsTo 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 +5 more
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A 3D‐Printed Printhead: Custom Inkjet Dispenser for Medium Viscosity Fluids
Advanced Engineering Materials, Volume 26, Issue 12, June 2024.Inkjet is a versatile non‐contact printing technique that uses droplets of ink to print on a variety of substrates. The design, fabrication by 3D‐printing and testing of a low‐cost, multi‐purpose single‐nozzle piezoelectric dispenser/printhead for medium‐viscosity fluids (10–60 cP) is reported – this design can be optimized for many research purposes ...
Rui Miguel Raposo Pinto +2 more
wiley +1 more source
Design and study of valveless piezoelectric pump with streamlined chamber fishtail-type bluff body
AIP AdvancesTo enhance the flow rate of a valveless piezoelectric pump and improve the stability of the fluid flow, a valveless piezoelectric pump with a streamlined chamber fishtail-type bluff body (VPFB) is proposed.
Xiaochao Tian +6 more
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Applied SciencesTo 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 +5 more
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A spiral-tube-type valveless piezoelectric pump with gyroscopic effect
Chinese Science Bulletin, 2014 The valveless piezoelectric pump integrates driving and transmitting into one operating element, and characterizes easy micro-miniaturization. But, there is the original sin of low pressure and low flow. Thus, it must avoid weakness to choose applications field.
Jianhui Zhang +2 more
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Performance enhancement of a valveless pump driven by a noble piezoelectric composite actuator [PDF]
International Journal of Computational Methods and Experimental Measurements, 2014 This paper presents a computational and experimental study of a valveless pump driven by a noble piezoelectric composite actuator consisting of a bimorph piezoelectric plate and a metal cap. The superiority of deformation performance of the proposed composite actuator was demonstrated computationally through fi nite element simulation and was then ...
Y. Uetsuji +4 more
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