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Journal of Applied Fluid Mechanics، جلد ۱۷، شماره ۷، صفحات ۱۴۵۷-۱۴۶۹
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عنوان انگلیسی Three-dimensional Flow Field Characteristics of a Normal Slot Plasma Synthetic Jet Actuator
چکیده انگلیسی مقاله In this work, to comprehensively analyze the flow field characteristics of a normal slot plasma synthetic jet actuator, three-dimensional simulation models are established for both normal slot and normal orifice actuators. A detailed comparative analysis of the three-dimensional flow field characteristics of these two actuators is performed. The results indicate that the motion shockwaves and jets generated by the normal slot actuator cover a larger and more uniform region, showing planar characteristics and excellent flow control uniformity. The total pressure ratio for the normal slot actuator is 3.59, significantly higher than the value of 3.50 for the normal orifice actuator, indicating lower pressure loss in the former. Additionally, the normal slot has a larger average exit Mach number (Ma), indicating a stronger flow control capability. It also achieves the peak Ma in a shorter time, indicating a faster momentum output response. Therefore, compared with the normal orifice actuator, the normal slot actuator has better potential for flow control.
کلیدواژه‌های انگلیسی مقاله Plasma synthetic jet,Normal slot actuator,Three-dimensional flow field,Flow control capability,Shock wave behavior
نویسندگان مقاله L. Cheng |
College of Aeronautical Engineering, Civil Aviation Flight University of China, Guanghan, 618307, China

X. L. Sun |
College of Aeronautical Engineering, Civil Aviation Flight University of China, Guanghan, 618307, China

X. D. Liu |
College of Electrical, Energy and Power Engineering, Yangzhou University, Yangzhou 225009, China

نشانی اینترنتی https://www.jafmonline.net/article_2434_ed766e19b2a1b814bb9fb8e013bdd9b8.pdf
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