Single nozzle micropump

This project presents an investigation on Single-Nozzle Micropump. The new designs of the micropump consist of an acoustic resonator profile which acts as pumping chamber and flow rectification, a piezo-electric disk which serves as actuator, together with two glass tubes which are attached at two s...

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Main Author: Charles Tanu Wijaya.
Other Authors: Huang Xiaoyang
Format: Final Year Project
Language:English
Published: 2011
Subjects:
Online Access:http://hdl.handle.net/10356/44909
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-449092023-03-04T18:43:16Z Single nozzle micropump Charles Tanu Wijaya. Huang Xiaoyang School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering This project presents an investigation on Single-Nozzle Micropump. The new designs of the micropump consist of an acoustic resonator profile which acts as pumping chamber and flow rectification, a piezo-electric disk which serves as actuator, together with two glass tubes which are attached at two sides of the channels as inlet and outlet. The channel of the micropump is made of dry adhesive layers. Method of lamination of the dry adhesive layers with Polymethyl-methacrylate (PMMA) is implemented in fabrication of the micropump. Particle Image Velocimetry (PIV) analysis is used to perform flow visualization for the transient flow field inside the micropump chamber. The pump is operated in a range of driving frequency (20Hz- 80Hz) and two different actuating voltages (2.8Vpp and 7Vpp). The results of the flow visualization are compared to the results obtained from FLUENT simulations. It is found that the flow pattern T/4 (T is the period of the driving voltage) generates two big vortices accompanied by two small vortices. For time phase of 3T/4, the flow pattern generates two big vortices. On the other hand, for time phase of T/2 and T within one operating cycle, there is no vortex generated inside the chamber. Bachelor of Engineering (Mechanical Engineering) 2011-06-07T01:15:54Z 2011-06-07T01:15:54Z 2011 2011 Final Year Project (FYP) http://hdl.handle.net/10356/44909 en Nanyang Technological University 70 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering
spellingShingle DRNTU::Engineering::Mechanical engineering
Charles Tanu Wijaya.
Single nozzle micropump
description This project presents an investigation on Single-Nozzle Micropump. The new designs of the micropump consist of an acoustic resonator profile which acts as pumping chamber and flow rectification, a piezo-electric disk which serves as actuator, together with two glass tubes which are attached at two sides of the channels as inlet and outlet. The channel of the micropump is made of dry adhesive layers. Method of lamination of the dry adhesive layers with Polymethyl-methacrylate (PMMA) is implemented in fabrication of the micropump. Particle Image Velocimetry (PIV) analysis is used to perform flow visualization for the transient flow field inside the micropump chamber. The pump is operated in a range of driving frequency (20Hz- 80Hz) and two different actuating voltages (2.8Vpp and 7Vpp). The results of the flow visualization are compared to the results obtained from FLUENT simulations. It is found that the flow pattern T/4 (T is the period of the driving voltage) generates two big vortices accompanied by two small vortices. For time phase of 3T/4, the flow pattern generates two big vortices. On the other hand, for time phase of T/2 and T within one operating cycle, there is no vortex generated inside the chamber.
author2 Huang Xiaoyang
author_facet Huang Xiaoyang
Charles Tanu Wijaya.
format Final Year Project
author Charles Tanu Wijaya.
author_sort Charles Tanu Wijaya.
title Single nozzle micropump
title_short Single nozzle micropump
title_full Single nozzle micropump
title_fullStr Single nozzle micropump
title_full_unstemmed Single nozzle micropump
title_sort single nozzle micropump
publishDate 2011
url http://hdl.handle.net/10356/44909
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