Applied Mathematics and Mechanics

, Volume 28, Issue 7, pp 907–920 | Cite as

Physical factors of primary jet vectoring control using synthetic jet actuators

  • Xia Zhi-xun  (夏智勋)
  • Luo Zhen-bing  (罗振兵)Email author


A primary jet vectoring using synthetic jet actuators with different exit configurations was investigated, and the main physical factors influencing jet vectoring were analyzed and summarized. The physical factors of the pressure difference, the location and area of the lower pressure region, the component of the synthetic jet momentum and the entrainment ratio of the synthetic jet flow to primary jet flow directly control the vectoring force and the vectoring angle. Three characteristic parameters of the synthetic jet contribute to the pressure difference and the area of the lower pressure region Both the extension step and slope angle of the actuator exit have functions of regulating the location of the lower pressure region, the area of the lower pressure region, and the entrainment ratio of the synthetic jet flow to primary jet flow. The slope angle of the actuator exit has additional functions of regulating the component of the synthetic jet momentum. Based upon analyzing the physical factors of jet vectoring control with synthetic jets, the source variables of the physical factors were established. A preparatory control model of jet vectoring using synthetic jet actuator was presented, and it has the benefit of explaining the efficiency of jet vectoring using synthetic jet actuator with source variables at different values, and it indicates the optimal actuator is taking full advantage of the regulating function.

Key words

flow control synthetic jet jet vectoring physical factor 

Chinese Library Classification

O358 V211 

2000 Mathematics Subject Classification



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Copyright information

© Editorial Committee of Appl. Math. Mech. 2007

Authors and Affiliations

  • Xia Zhi-xun  (夏智勋)
    • 1
  • Luo Zhen-bing  (罗振兵)
    • 1
    Email author
  1. 1.College of Aerospace and Material EngineeringNational University of Defense TechnologyChangshaP. R. China

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