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检索条件"主题词=Passive Flow Control"
193 条 记 录,以下是91-100 订阅
排序:
Vibration control of the straight bladed vertical axis wind turbine structure using the leading-edge protuberanced blades
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ENGINEERING STRUCTURES 2024年 319卷
作者: Vel, E. Karthik Pillai, S. Nadaraja SASTRA Deemed Univ Turbulence & Flow Control Lab Thanjavur 613401 Tamil Nadu India
This study investigates the impact of structural responses resulting from alterations in aerodynamic characteristics caused by incorporating leading-edge protuberance (LEP) blades in vertical-axis wind turbines (VAWTs... 详细信息
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Numerical analysis of the mixing process invariable density jets emanating from polygonal nozzles
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INTERNATIONAL JOURNAL OF HEAT AND FLUID flow 2024年 110卷
作者: Wawrzak, Karol Stempka, Jakub Tyliszczak, Artur Czestochowa Tech Univ Fac Mech Engn Al Armii Krajowej 21 PL-42201 Czestochowa Poland
This paper focuses on the flow dynamics of jets originating from circular and non-circular nozzles (square, triangular, hexagonal, hexagram) evolving in a co-flowing stream at the Reynolds numbers Re = 5 000 and Re = ... 详细信息
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Aerodynamic performance and wake development of NACA 0018 airfoil with serrated gurney flaps
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FRONTIERS IN ENERGY RESEARCH 2024年 12卷
作者: Zheng, Zhehui Chen, Liu Univ Shanghai Sci & Technol Energy & Power Shanghai Peoples R China Univ Shanghai Sci & Technol Shanghai Peoples R China
Improving the aerodynamic performance of the airfoil is important for optimising the rotor efficiency of the vertical axis wind turbines. As a simple passive control method, the Gurney flap is widely used to improve t... 详细信息
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Large scale structures modification of a spatially evolving turbulent boundary layer grazing over circular cavities
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INTERNATIONAL JOURNAL OF HEAT AND FLUID flow 2024年 108卷
作者: Scarano, Francesco Jacob, Marc C. Gowree, Erwin R. Univ Toulouse Dept Aerodynam & Prop DAEP ISAE SUPAERO 10 Ave Edouard Belin F-31400 Toulouse France Ecole Cent Lyon Lab Mecan Fluides & Acoust 36 Ave Guy Collongue F-69134 Ecully France Inst Natl Sci Appl Lyon F-69134 Ecully France Univ Claude Bernard Lyon I 36 Ave Guy Collongue F-69134 Ecully France Univ Lyon Ctr Natl Rech Sci 36 Ave Guy Collongue F-69134 Ecully France
Two experimental investigations were conducted to characterise the impact of circular cavities on the streamwise development of a turbulent boundary layer. Hot-wire anemometry was employed to measure the boundary laye... 详细信息
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Method development for estimation of bleed momentum coefficient using surface pressure measurements and in situ hot wire calibration
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flow MEASUREMENT AND INSTRUMENTATION 2024年 97卷
作者: Cetin, Cenk Yavuz, Mehmet Metin Turkish Aerosp Ind Inc TR-06890 Ankara Turkiye Middle East Tech Univ Mech Engn Dept TR-06800 Ankara Turkiye
Recently, as a passive flow control method, bleeding technique allowing flow of upstream towards suction side by interior passages, has been utilized on non-slender delta wing planforms, where effective geometries can... 详细信息
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Analyzing dynamic stall on tubercle mounted VAWT blades: A simplistic experimental approach using an oscillating rig
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SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS 2024年 71卷
作者: Joseph, Jeena Sridhar, Surya Sathyabhama, A. Radhakrishnan, Jayakrishnan Karavali Inst Technol Dept Aeronaut Engn Mangaluru 575029 India Politecn Milan Dept Aerosp Sci & Technol Via La Masa 34 I-20156 Milan Italy Natl Inst Technol Karnataka Dept Mech Engn Surathkal 575025 Karnataka India Manipal Acad Higher Educ Manipal Inst Technol Dept Aeronaut & Automobile Engn Manipal 576104 Karnataka India
Leading-edge tubercles, inspired by the flippers of humpback whales, are widely adopted passive flow control devices to enhance the aerodynamic performance of various lifting surfaces. This experimental study investig... 详细信息
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The effect of rear cavity modifications on the drag and flow field topology of a Square Back Ahmed Body
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 2021年 第7期235卷 1849-1863页
作者: Koppa Shivanna, Naveen Ranjan, Pritanshu Clement, Shibu BITS Pilani Dept Mech Engn KK Birla Goa Campus Zuarinagar India
This work presents a numerical investigation of turbulent flow over a simplified vehicle model called the Square Back Ahmed Body (SBAB). The simulations are performed at Reynolds number 1 x 10(5) using the k - omega S... 详细信息
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Effect of optimal slot location on the performance of cascades of blades
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING 2021年 第15期235卷 2208-2224页
作者: Nia, Bahador Bakhtiari Gharehghani, Ayat Zadeh, Saeed Shojae Egan, Vannesa Iran Univ Sci & Technol Sch Mech Engn Tehran *** Iran Univ Limerick Bernal Inst Stokes Labs Limerick Ireland Univ Limerick Sch Engn Limerick Ireland
Overloaded blades and lower solidities are two main characteristics of modern gas engines to reach lower specific fuel consumption and weight to thrust ratio. Hence, flow optimization methods are employed to maximize ... 详细信息
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Investigation of Leading Edge Tubercles with Different Wavelengths in an Annular Compressor Cascade
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INTERNATIONAL JOURNAL OF TURBO & JET-ENGINES 2021年 第2期38卷 153-162页
作者: Zheng, Tan Qiang, Xiaoqing Teng, Jinfang Feng, Jinzhang Shanghai Jiao Tong Univ Sch Aeronaut & Astronaut Shanghai 200240 Peoples R China
Humpback whales possess bumpy tubercles on the leading edge of their flippers. Due to these leading edge tubercles, whales are able to produce high degree of maneuverability. Inspired by the flippers, this paper appli... 详细信息
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Wavelength-induced shedding frequency modulation of seal whisker inspired cylinders
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BIOINSPIRATION & BIOMIMETICS 2024年 第3期19卷 036004-036004页
作者: Dunt, Trevor K. Heck, Kirby S. Lyons, Kathleen Murphy, Christin T. Cal, Raul Bayoan Franck, Jennifer A. Univ Wisconsin Madison WI USA Naval Undersea Warfare Ctr Newport RI USA Portland State Univ Dept Mech & Mat Engn Portland OR USA Univ Wisconsin Dept Mech Engn Madison WI 53706 USA
The spanwise undulated cylinder geometry inspired by seal whiskers has been shown to alter shedding frequency and reduce fluid forces significantly compared to smooth cylindrical geometry. Prior research has parameter... 详细信息
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