| Publication type: | Article in scientific journal |
| Type of review: | Peer review (publication) |
| Title: | Experimental characterization and simulation of a piezo-actuated micro dispensing valve |
| Authors: | Bonhoeffer, Bastian Boldrini, Marlon Boiger, Gernot Kurt Kwade, Arno Juhnke, Michael |
| DOI: | 10.1115/1.4035634 |
| Published in: | Journal of Fluids Engineering |
| Volume(Issue): | 139 |
| Issue: | 5 |
| Page(s): | 051105-1 |
| Pages to: | 051105-9 |
| Issue Date: | May-2017 |
| Publisher / Ed. Institution: | The American Society of Mechanical Engineers |
| ISSN: | 1528-901X 0098-2202 |
| Language: | English |
| Subjects: | Dosing; Newtonian; Piezo valve; Simulation |
| Subject (DDC): | 621.8: Machine engineering |
| Abstract: | The dispensing behavior of a piezo-actuated micro-valve that closes the gap between the nanoliter range (e.g., inkjet technology) and the microliter range (e.g., standard displacement technology) has been investigated by experimental and numerical means. Water and different Newtonian model fluids with defined fluid properties were utilized for experimental characterization. The dispensed amount per single dispensing event could be freely adjusted from a few nanoliters to several hundred microliters showing the large working range and flexibility of the micro-valve, while maintaining a high accuracy with a low relative standard deviation. A correlation between fluid properties, dispensing parameters, and the resulting steady-state mass flow was established, showing good consistency of the experimental data. Furthermore, a three-dimensional numerical model for the quantitative simulation of the micro-valve's dispensing behavior regarding fluid mass flow was developed and validated, showing a high degree of correspondence between the experiments and simulations. Investigations of the transient behavior after the opening of the micro-valve revealed a nonlinear relationship between the valve opening time and dispensed mass for short opening times. This behavior was dependent on the working pressure but independent of the type of fluid. |
| URI: | https://digitalcollection.zhaw.ch/handle/11475/6078 |
| Fulltext version: | Published version |
| License (according to publishing contract): | Licence according to publishing contract |
| Departement: | School of Engineering |
| Organisational Unit: | Institute of Computational Physics (ICP) |
| Appears in collections: | Publikationen School of Engineering |
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Bonhoeffer, B., Boldrini, M., Boiger, G. K., Kwade, A., & Juhnke, M. (2017). Experimental characterization and simulation of a piezo-actuated micro dispensing valve. Journal of Fluids Engineering, 139(5), 051105–051101. https://doi.org/10.1115/1.4035634
Bonhoeffer, B. et al. (2017) ‘Experimental characterization and simulation of a piezo-actuated micro dispensing valve’, Journal of Fluids Engineering, 139(5), pp. 051105–1–051105–9. Available at: https://doi.org/10.1115/1.4035634.
B. Bonhoeffer, M. Boldrini, G. K. Boiger, A. Kwade, and M. Juhnke, “Experimental characterization and simulation of a piezo-actuated micro dispensing valve,” Journal of Fluids Engineering, vol. 139, no. 5, pp. 051105–1–051105–9, May 2017, doi: 10.1115/1.4035634.
BONHOEFFER, Bastian, Marlon BOLDRINI, Gernot Kurt BOIGER, Arno KWADE und Michael JUHNKE, 2017. Experimental characterization and simulation of a piezo-actuated micro dispensing valve. Journal of Fluids Engineering. Mai 2017. Bd. 139, Nr. 5, S. 051105–1–051105–9. DOI 10.1115/1.4035634
Bonhoeffer, Bastian, Marlon Boldrini, Gernot Kurt Boiger, Arno Kwade, and Michael Juhnke. 2017. “Experimental Characterization and Simulation of a Piezo-Actuated Micro Dispensing Valve.” Journal of Fluids Engineering 139 (5): 051105–1. https://doi.org/10.1115/1.4035634.
Bonhoeffer, Bastian, et al. “Experimental Characterization and Simulation of a Piezo-Actuated Micro Dispensing Valve.” Journal of Fluids Engineering, vol. 139, no. 5, May 2017, pp. 051105–1, https://doi.org/10.1115/1.4035634.
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