NOZZLE

作品数：382被引量：744H指数：12
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Numerical simulation of 3D supersonic asymmetric truncated nozzle based on k-kL algebraic stress model
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第3期238-251,共14页Gang WANG Shuai ZHANG Jifa ZHANG Yao ZHENG 
supported by the Zhejiang Provincial Key Research and Development Program of China(No.2020C01020).
The nozzle is a critical component responsible for generating most of the net thrust in a scramjet engine.The quality of its design directly affects the performance of the entire propulsion system.However,most turbule...
关键词：Supersonic nozzle Turbulence model Numerical simulation Performance analysis 
Optimization of a Perforator Nozzle Based on the Constant Velocity of Jet Core
《Fluid Dynamics & Materials Processing》2025年第3期645-656,共12页Aihua Tao Chao Li Zhijun Jie Yong Zhang Xing Chen Weili Liu 
The authors gratefully acknowledge the financial support by the National Natural Science Foundation of China(No.52405272);the CNOOC’s major project during the 14th Five-Year Plan period“Key Technologies and Equipment for Measurement,Recording,and Testing-Development and Engineering of Integrated Perforation Technology Equipment Based on Reservoir Geology”and the National Science Foundation of Jiangsu Province(No.BK20220533).
Hydraulic sandblasting perforation plays a crucial role in the fracturing and reconstruction of unconventional oil and gas reservoirs.The jet nozzle is an essential part of the hydraulic perforation tool.Insufficient ...
关键词：Perforator nozzle field characteristics orthogonal experiment nozzle parameters jet constant velocity core 
Advanced multi-nozzle electrohydrodynamic printing:mechanism,processing,and diverse applications at micro/nano-scale
《International Journal of Extreme Manufacturing》2025年第1期207-235,共29页Yin Li Guangming Zhang Jinrun Zhang Daosen Song Chenxu Guo Wei Zhou Zhiguo Fu Xiaoyang Zhu Fei Wang Yongqing Duan Jingyan Dong Hongbo Lan 
National Natural Science Foundation of China(Grant Nos.52275345,52175331);the Support plan for Outstanding Youth Innovation Team in Universities of Shandong Province,China(2021KJ044);Natural Science Foundation of Shandong Province,China(Granted No.ZR2020ZD04)。
Electrohydrodynamic(EHD)jet printing represents a novel micro/nano-scale additive manufacturing process that utilises a high-voltage induced electric field between the nozzle and the substrate to print micro/nanoscale...
关键词：electrohydrodynamic jetting CROSSTALK MULTI-NOZZLE nozzle array 
In-situ observation of inclusion agglomeration behaviors and its correlation to clogging of nozzle in low-carbon steels with different amounts of Ti and Al addition
《Journal of Iron and Steel Research International》2025年第2期388-398,共11页Yong-bo Yuan Wang-zhong Mu Chen Tian Xiao-ming Liu Tie Liu Qiang Wang 
National Natural Science Foundation of China(Nos.U21A20116,U21A20117 and 52304347);National Natural Science Foundation of Liaoning(Nos.2023-MSBA-135 and 2023-BSBA-107);the Fundamental Research Funds for the Central Universities(Nos.N2409006 and N2409008)are acknowledged to support this work;Swedish Foundation for International Cooperation in Research and Higher Education(STINT,Project No.IB2022-9228)is acknowledged by W.Mu to support his visit between KTH(Sweden)and NEU(China).
Understanding the motion behaviors of non-metallic inclusions in the liquid metal is important for clean steel production.High-temperature confocal laser scanning microscopy is applied to investigate the effect of dif...
关键词：INCLUSION AGGLOMERATION ALLOYING Nozzle clogging High-temperature confocal laser scanning microscopy 
Review of UAVs for efficient agrochemical spray application
《International Journal of Agricultural and Biological Engineering》2025年第1期1-9,共9页Narayan Raosaheb Gatkal Sachin Madhukar Nalawade Girishkumar Balasaheb Bhanage Ramesh Kumar Sahni Avdhoot Ashok Walunj Pravin Bhaskar Kadam Musrrat Ali 
financially supported by the Deanship of Scientific Research,Vice Presidency for Graduate Studies and Scientific Research,King Faisal University,Saudi Arabia(Grant No.KFU243000).
Insect infestation attacks in agricultural ecosystems are becoming more common because of global warming as well as farmland environmental circumstances,necessitating the development of new crop production technology....
关键词：deposition DRIFT flight height flying speed NOZZLE unmanned aerial vehicle(UAV) 
Experimental Study on Diesel Spray and Flame Asymmetry Characteristics of Dual-Orifice Nozzles for a Medium-Speed Engine
《Journal of Thermal Science》2025年第1期303-322,共20页JU Dehao LIURui ZHENG Liang DENG Jiahui ZHANG Wenzheng HUO Jinlu HUANG Li 
financially supported by the Ministry of Science and Technology(National Key Research and Development Program-Strategic Technology Innovation Collaboration Project,Grant No:2022YFE0209000);the Natural Science Foundation of Shanghai(Grant Nos.21DZ1208100&22170712600);Chongqing Natural Science Foundation(Grant No.CSTB2022NSCQ-MSX1589)。
The asymmetry of the multi-orifice spray will cause uneven heat load of the marine diesel engine,thereby affecting its working performance and service life.Therefore,an in-depth understanding of the spray and flame ch...
关键词：dual-orifice nozzle nozzle structure ATOMIZATION spray flame asymmetry 
Experimental investigation and numerical analysis on high-efficiency shock vectoring control serpentine nozzles
《Chinese Journal of Aeronautics》2024年第12期296-324,共29页Zhonghao HUI Jingwei SHI Wentao LIN Li ZHOU Zhanxue WANG Yongquan LIU 
supported by the Science Center for Gas Turbine Project,China(Nos.P2022-B-Ⅱ-010-001 and P2022-B-I-002-001);the National Natural Science Foundation of China(Nos.52376032 and 52076180);the Funds for Distinguished Young Scholars of Shaanxi Province,China(No.2021JC-10);the National Science and Technology Major Project,China(No.J2019-Ⅱ-0015-0036);the Fundamental Research Funds for the Central Universities,China(No.501XTCX2023146001).
The high-efficiency Shock Vectoring Control Serpentine Nozzle(SVCSN)takes into account both thrust vectoring and infrared stealth,and significantly improves the comprehensive performance of the aero-engines through an...
关键词：Shock vectoring control Serpentine nozzle Auxiliary injection Thrust vectoring performance Flow control 
Sensitivity Analysis of Injection Characteristic to Structural Parameters of GDI Injector Nozzle Hole
《内燃机学报》2024年第6期541-548,共8页Li Xinhai Wang Lu Cheng Yong Shang Xianshang 
山东省自然科学基金资助项目(ZR2021QE065).
The nozzle inner-flow characteristic of the“spray G”injector was studied by the computational fluid dynamics(CFD)simulation,and the sensitivity of cycle fuel mass to the conicity and entrance radius of the nozzle ho...
关键词：gasoline direct injection injector nozzle hole conicity nozzle hole entrance radius CAVITATION 
Effect of Free-Stream Mach Number on the Base Thermal Environment of LaunchVehicle
《Journal of Thermal Science》2024年第6期2426-2436,共11页WANG Xu XU Xu YU Jiaqi YANG Qingchun 
supported by the Outstanding Research Project of Shen Yuan Honors College;Academic Excellence Foundation of BUAA for PhD Students;National Key Laboratory of aerospace liquid propulsion
Convective heating of the rocket base caused by high-temperature reverse flow has long been a focus of thermal protection research.With distinctive structural characteristics,the base thermal environment of a twin-noz...
关键词：rocket base heating free stream Mach number shock-turbulence interaction twin-nozzle 
Research on Influen e Mechanism of Nozzle Structure on Properties of Thick Carbon Steel Plate by Laser Cutting
《Chinese Journal of Mechanical Engineering》2024年第6期118-130,共13页Nan Chen Yan Shi Yan Pang Ruotao Li 
Supported by Equipment Pre-Research Foundation of China(Grant No.50923030512)。
Aiming at problems such as slow cutting speed,poor cutting quality and inability to cut thick plates effectively with traditional single-layer nozzle structure,it is proposed to add an outer ring core to form a double...
关键词：Laser cutting Nozzle structure Flow field analysis Cutting speed Section quality 
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