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Numerical investigation of the influence of nozzle geometrical parameters on thrust of synthetic jet underwater
Geng LB(耿令波); Hu ZQ(胡志强); Lin Y(林扬)
Department海洋机器人卓越创新中心
Source PublicationSensors and Actuators, A: Physical
ISSN0924-4247
2018
Volume269Pages:111-125
Indexed BySCI ; EI
EI Accession number20174604392172
WOS IDWOS:000423887500012
Contribution Rank1
KeywordNozzle Diameter Nozzle Height Thrust Characteristic Synthetic Jet Underwater
AbstractThe thrust characteristic and efficiency of synthetic jet underwater is easily affected by the geometrical parameters. In this paper, the influence of nozzle geometrical parameters on the thrust of synthetic jet underwater is investigated through numerical method. The geometrical parameters studied include nozzle diameter and nozzle height. The numerical method is validated using the experiment data. A mathematical model of the thrust is established. This model decomposes the thrust into three parts. By adjusting the weights of these parts, the dynamic characteristic of the thrust can be rebuilt. Using this method, the mechanism behind the thrust variation with nozzle geometrical parameters is analyzed. The variation of the thrust with the nozzle diameter is induced by the increase of the acceleration force and the decrease of the pressure force. When the nozzle diameter is small, the thrust is velocity dominated. While when diameter is large, the thrust is acceleration dominated. The thrust variation with nozzle height has two different patterns. The pressure force dominates the first pattern of thrust variation. And the acceleration force contributes more to the second pattern of thrust variation. The results in this paper can be used for the efficiency oriented optimal design of synthetic jet actuator underwater.; English
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Electrical & Electronic ; Instruments & Instrumentation
WOS KeywordFLOW-CONTROL ; CROSS-FLOW ; PROPULSION ; CIRCULATION ; LOCOMOTION ; PRESSURE ; VEHICLES ; ACTUATOR ; IMPULSE
WOS Research AreaEngineering ; Instruments & Instrumentation
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/21231
Collection海洋机器人卓越创新中心
Corresponding AuthorGeng LB(耿令波)
Affiliation1.The State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Geng LB,Hu ZQ,Lin Y. Numerical investigation of the influence of nozzle geometrical parameters on thrust of synthetic jet underwater[J]. Sensors and Actuators, A: Physical,2018,269:111-125.
APA Geng LB,Hu ZQ,&Lin Y.(2018).Numerical investigation of the influence of nozzle geometrical parameters on thrust of synthetic jet underwater.Sensors and Actuators, A: Physical,269,111-125.
MLA Geng LB,et al."Numerical investigation of the influence of nozzle geometrical parameters on thrust of synthetic jet underwater".Sensors and Actuators, A: Physical 269(2018):111-125.
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