Aerospace Knowledge and Technology Journal

Aerospace Knowledge and Technology Journal

Numerical simulation of the effect of temperature, humidity and lateral Wind on corona plasma discharge in wire-cylinder configuration

Document Type : Research Paper

Authors
Roohallah Khoshkhoo 1
Reza Keramatian 2
Masoumeh Aghaei Malekabadi 2
1 Assistant Professor, Aerospace Engineering-Aerodynamics, Faculty of Aerospace Engineering, Malek Ashtar University of Technology, Iran
2 MSc. Student, Aerospace Engineering-Aerodynamics, Faculty of Mechanical Engineering, Malek Ashtar University of Technology, Iran
Abstract
Today, utilizing plasma technology to reduce aircraft noise, enhance radar stealth, diminish environmental pollution, increase the speed of flying vehicles, and improve energy efficiency are among the primary objectives of the aviation industry. One type of plasma propulsion involves using corona discharge, which consists of two electrodes with different radii. The current study focuses on a wire-cylinder configuration of corona discharge and has been validated. Then, the effect of the attack angle between the two electrodes on the corona discharge was examined. The results indicate that an increase in lateral wind can reduce the effectiveness of corona discharge by up to 50 percent at a constant voltage. Finally, this research investigates the impact of humidity and temperature on corona discharge. Numerical results show that with an increase in humidity percentage and temperature, the efficiency coefficient, power consumption, and thrust significantly increase. At a constant voltage of 10 kilovolts, a 75 percent increase in humidity can enhance efficiency by about 58 percent, and a 30-degree increase in temperature can increase efficiency by up to 60 percent.
Keywords
Corona Plasma Actuator
Numerical Simulation
Lateral Wind Effect
Thrust
Humidity
Temperature
Subjects
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Aerospace Knowledge and Technology Journal
Volume 14, Issue 1
May 2025
Pages 151-173