Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator
In order to understand the differences between dual synthetic jets (DSJs) and synthetic jets (SJs), particle image velocimetry (PIV) technology is used to capture the basic flow field characteristics of a dual synthetic jet actuator (DSJA) and a synthetic jet actuator (SJA), and then a careful compa...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-07-01
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| Series: | Actuators |
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| Online Access: | https://www.mdpi.com/2076-0825/11/8/205 |
| _version_ | 1797440248759713792 |
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| author | Zhenbing Luo Zhijie Zhao Xiong Deng Lin Wang Zhixun Xia |
| author_facet | Zhenbing Luo Zhijie Zhao Xiong Deng Lin Wang Zhixun Xia |
| author_sort | Zhenbing Luo |
| collection | DOAJ |
| description | In order to understand the differences between dual synthetic jets (DSJs) and synthetic jets (SJs), particle image velocimetry (PIV) technology is used to capture the basic flow field characteristics of a dual synthetic jet actuator (DSJA) and a synthetic jet actuator (SJA), and then a careful comparison between them is implemented. The results indicate that a cycle of the DSJ is divided into two stages. In the near-field downstream, a pair of synthetic jets entrain fluid around them and interact with each other, making the flow field complex, and the time-periodic diaphragm dominates them. There is an unfavorable phenomenon of “self-support” between the two jets. In the far-field downstream, the two jets merge into a single, more stable SJ with a higher velocity and a double characteristic frequency. The DSJs have also shown good vectoring characteristics, with the vectoring deflection angle (VDA) changing from about −46° to 46°. The above results demonstrate that the DSJA may replace the traditional SJA in all kinds of applications and extend the applying area of the SJ to more active flow control systems, which cannot be qualified by traditional SJA. |
| first_indexed | 2024-03-09T12:04:27Z |
| format | Article |
| id | doaj.art-219794356ed2435d99cf29ed50857787 |
| institution | Directory Open Access Journal |
| issn | 2076-0825 |
| language | English |
| last_indexed | 2024-03-09T12:04:27Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Actuators |
| spelling | doaj.art-219794356ed2435d99cf29ed508577872023-11-30T22:59:02ZengMDPI AGActuators2076-08252022-07-0111820510.3390/act11080205Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet ActuatorZhenbing Luo0Zhijie Zhao1Xiong Deng2Lin Wang3Zhixun Xia4College of Aerospace Science, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace Science, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace Science, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace Science, National University of Defense Technology, Changsha 410073, ChinaCollege of Aerospace Science, National University of Defense Technology, Changsha 410073, ChinaIn order to understand the differences between dual synthetic jets (DSJs) and synthetic jets (SJs), particle image velocimetry (PIV) technology is used to capture the basic flow field characteristics of a dual synthetic jet actuator (DSJA) and a synthetic jet actuator (SJA), and then a careful comparison between them is implemented. The results indicate that a cycle of the DSJ is divided into two stages. In the near-field downstream, a pair of synthetic jets entrain fluid around them and interact with each other, making the flow field complex, and the time-periodic diaphragm dominates them. There is an unfavorable phenomenon of “self-support” between the two jets. In the far-field downstream, the two jets merge into a single, more stable SJ with a higher velocity and a double characteristic frequency. The DSJs have also shown good vectoring characteristics, with the vectoring deflection angle (VDA) changing from about −46° to 46°. The above results demonstrate that the DSJA may replace the traditional SJA in all kinds of applications and extend the applying area of the SJ to more active flow control systems, which cannot be qualified by traditional SJA.https://www.mdpi.com/2076-0825/11/8/205dual synthetic jetssynthetic jetvectoring characteristicsPIV |
| spellingShingle | Zhenbing Luo Zhijie Zhao Xiong Deng Lin Wang Zhixun Xia Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator Actuators dual synthetic jets synthetic jet vectoring characteristics PIV |
| title | Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator |
| title_full | Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator |
| title_fullStr | Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator |
| title_full_unstemmed | Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator |
| title_short | Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator |
| title_sort | dual synthetic jets actuator and its applications part i piv measurements and comparison to synthetic jet actuator |
| topic | dual synthetic jets synthetic jet vectoring characteristics PIV |
| url | https://www.mdpi.com/2076-0825/11/8/205 |
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