Three-dimensional Flow Field Characteristics of a Normal Slot Plasma Synthetic Jet Actuator
Publish place: Journal of Applied Fluid Mechanics، Vol: 17، Issue: 7
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JAFM-17-7_008
تاریخ نمایه سازی: 18 اردیبهشت 1403
Abstract:
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 ۳.۵۹, significantly higher than the value of ۳.۵۰ 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.
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Authors
L. Cheng
College of Aeronautical Engineering, Civil Aviation Flight University of China, Guanghan, ۶۱۸۳۰۷, China
X. L. Sun
College of Aeronautical Engineering, Civil Aviation Flight University of China, Guanghan, ۶۱۸۳۰۷, China
S. Ma
College of Flight Technology, Civil Aviation Flight University of China, Guanghan, ۶۱۸۳۰۷,
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