Experimental Study of Three Lifters Using Positive and Negative Corona Discharge

Document Type : Original Article

Authors

1 Faculty of Mechanical Engineering, Malek Ashtar University of Technology

2 Faculty of Mechanical Engineering/ MUT

3 Faculty of Aerospace -MUT

Abstract

Scientists and researchers have been interested to plasma actuators, especially corona plasma actuators as propulsion system, due to their low power consumption, no moving part, silent, high efficiency and infrared waves. An example of corona discharge applications is lifters. In this research, triangular, square and three sides’ with a common vertex models with a common vertex were designed and built. Then, the parameters of electric power, effectiveness coefficient and thrust in the discharge of positive and negative coronas were investigated in the experimental study. The results of the research show that in all three models, the relationship between voltage changes and thrust in positive and negative coronas is almost linear, and increasing the amount of voltage causes an increase thrust. But the relationship between voltage and electric power in all three models in positive and negative coronas is parabolic. The highest amount of thrust in both positive and negative coronas was related to the square model and then the three sides’ model with a common vertex. Finally, the highest effectiveness coefficient in the positive corona is related to the square model and then the three sides’ model with a common vertex, and in the negative corona, it is related to the square model and the triangular model, respectively.

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History

  • Receive Date: 13 August 2022
  • Revise Date: 08 December 2022
  • Accept Date: 17 January 2023

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