Xin Wang

Anhui Normal University

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Guangming Cai

Wuhan Textile University

Deshan Cheng

Wuhan Textile University

Lude Lu

Nanjing University of Science and Technology

Jianhua Ran

Wuhan Textile University

Weilin Xu

Wuhan Textile University

Shuguang Bi

Wuhan Textile University

Weilin Xu

Wuhan Textile University

Xungai Wang

Hong Kong Polytechnic University

Dong‐Rong Xiao

Southwest University

Xiaoning Tang

Wuhan Textile University

Cooperative Institutions

Chinese Academy of Sciences

348

Wuhan University

147

University of Chinese Academy of Sciences

140

Wuhan Textile University

110

Sichuan University

101

Shanghai Jiao Tong University

Huazhong University of Science and Technology

Zhejiang University

University of Science and Technology of China

Peking University

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Hydrodynamics and operating force characteristics of sector gate during dynamic water closure

Journal of Physics Conference Series (2025)

Shouyuan Zhang Xin Wang Haitao Ma

Abstract The design of sector gates is contingent upon the operating capacity, which represents a critical focus in gate design. Analyzing the characteristics of the operating force during operation is essential for evaluating the operating capacity of the gate. The study focuses on the hydrodynamic characteristics and operating force of sector gates during the dynamic water closure process. Through a comparative analysis of a 1:20 scale physical model and a three-dimensional fluid-structure interaction numerical model, the development and dissipation of vortices during gate closure are revealed. The results show that the operating force is closely related to the hydraulic characteristics of the gate recess, reaching the maximum at small relative gate openings. The chamber flow velocity significantly affects the operating force, while the effect of submergence depth is minimal. This research provides hydrodynamic data support for the design and operation of sector gates.

Closure (psychology)

10.1088/1742-6596/2939/1/012015

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Integration of Three-Dimensional Printed Flow-through Photoreactor with Z-Scheme Photocatalytic Membrane for Sunlight-Drivable Micropollutant Removal from Water

ACS Materials Letters (2025)

Pin Song Yunmei Shi Yuhong Cai Wei Jiang Xiaoyu Fang

Sunlight is an ideal energy source for the catalytic degradation of micropollutants from water. However, it remains a challenge to achieve efficient sunlight-driven micropollutants degradation. Here, we report the integration of a 3D printed flow-through photoreactor with a Z-scheme AgI/Bi2WO6/poly(ether sulfone) (AgI/Bi2WO6/PES) photocatalytic membrane for light-driven removal of antibiotics and steroid hormones. Notably, the rates of photocatalytic micropollutants removal are achieved above 96% over a wide range of concentrations, from 200 ng L–1 to 10 mg L–1, setting the highest record as compared to the reported cases to date. Under natural sunlight, an impressive 99% removal rate for LEV is demonstrated. We technologically determine the limiting factor for micropollutant degradation, while the photocatalytic mechanism is fundamentally elucidated with experimental evidence. This work provides an effective approach to removing micropollutants under sunlight and offers insights for the design of water treatment devices through the synergy of 3D printed photoreactors and heterojunction materials.

Sunlight

Degradation

10.1021/acsmaterialslett.4c02463

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Querkrafttragfähigkeit von Spannbetonbrücken - Erfassung von Spannungszuständen in Spannbetonversuchsträgern mit Ultraschallsensoren

Ernst Niederleithinger A. Werner Julio Galindo Daniel López Casares Anja Bertschat

Funf Spannbetondurchlauftrager, die an der RWTH Aachen bis zum Versagen belastet wurden, waren zuvor durch die BAM mit Netzwerken von eingebetteten Ultraschalltransducern ausgerustet worden. Mit diesen wurden fortlaufend Transmissionsmessungen durchgefuhrt, die dann mit einer neuartigen, sehr sensiblen Methodik, der Codawelleninterferometrie im Hinblick auf Veranderungen im Material ausgewertet wurden. Die messtechnische Verfolgung der Belastungsversuche zeigte das grose Potential dieser Methodik. Die im Netzwerk erfassten Anderungen der Ultraschallwellengeschwindigkeit geben die Spannungsverhaltnisse im Langsschnitt des Tragers schon bei sehr niedrigen Belastungen qualitativ richtig wieder und zeigen bei hohen Belastungen eine gute Korrelation zum sichtbaren Rissbild und Simulationsergebnissen. Dabei weisen raumliche Anomalien und Anderungen in der Charakteristik der Geschwindigkeitsanderungen oft schon auf Rissbildung hin, wenn diese noch nicht an der Oberflache sichtbar ist. Dies zeigt das Potential im Hinblick auf eine Fruhwarnung. Hierfur und ebenso in Bezug auf eine Quantifizierung der Effekte ist aber noch Entwicklungsarbeit notwendig. Dass letzteres prinzipiell moglich ist, zeigt die gute Korrelation zwischen Geschwindigkeitsanderung an einzelnen Transducerpaaren und Versuchsparametern wie Querkraft oder Durchbiegung der Trager speziell bei kleineren Lasten. Einer der Vorteile der Methodik ist, dass mit einem relativ weitmaschigen Transducernetzwerk gearbeitet werden kann. Ein weiterer Vorteil ist, dass die Transducer nicht direkt am Ort der Anderung platziert werden mussen und einen relativ grosen Bereich um die Transducer herum erfassen.

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Recent Patents on Electrospinning Machine

Recent Patents on Mechanical Engineering (2016)

Jingang Jiang Yingshuai Han Xiaoyang Yu Xiaowei Guo Xin Wang

Background: Electrospinning technology is a simple and effective method for the production of polymer nanofibers. The electrospinning machine is the carrier of the spinning process, mainly includes high power voltage source, generating device and collecting device. Objective: To meet the increasing requirement of spinning parameters and efficiency, the mechanical structure of the machine is constantly being improved. Method: This paper reviews various representative patents related to electrospinning machine. Results: The differences of different types electrospinning machines are compared and analyzed and the characteristics are concluded. The main problems in its development are analyzed, the development trend is foreseen, and the current and future developments of the patents on electrospinning machine are discussed. Conclusion: The optimization of the electrospinning machine structure improves the efficiency of spinning and the electrospinning condition. For further enhancement, more patents on electrospinning machine should be invented. Keywords: Centrifugal, electrospinning machine, electrospinning principle, mechanical structure, multi spinnerets, nanofibers.

Electrospinning

10.2174/2212797609666160608102833

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Feasibility Verification of Ergonomic Design Based on Alert Indicators

Lecture notes in computer science (2024)

Jin Liang Yang Yu Liang Zhang Xin Wang Ye Deng

10.1007/978-3-031-60731-8_4

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Impact Toughness of Q460 Frw for Building Structure at Low Temperature

SSRN Electronic Journal (2022)

zhiming wang Xin Wang Zhaodong Li Shanglin Lv Kun Liu

The impact toughness test of 14 mm, 20 mm thickness 460 MPa anti-seismic and corrosion resistant and Fire-Resistant Weatherability steel (Q460 FRW) had been carried out on SANS pendulum impact tester at 20, 0, -20, -40, -60, -80, -100℃, Charpy impact power magnitude had been put into list and plotted out. The tensile test were applied at 20, -40℃. The fracture appearances and micro morphology of specimens had been executed, and the correlative analysis about the dimple structures which were the characteristic of ductile fracture under impacting had been expounded. The impact performance of 460 MPa FRW Steel had been satisfied with the design requirements at low temperature.

10.2139/ssrn.4257812

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CCDC 665348: Experimental Crystal Structure Determination

The Cambridge Structural Database (2010)

Jian Wang Xing‐You Xu Wei-Xing Ma Hong Zhao Lude Lu

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccqbbv6

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塩化ナトリウム溶融塩における菱面体晶窒化ほう素の触媒合成【Powered by NICT】

Ceramics International (2016)

Linfeng Ye Feng Liang Zhao Lei He Xuan Fang Wei

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CCDC 2057583: Experimental Crystal Structure Determination

The Cambridge Structural Database (2021)

Can Zhang Jianbin Li Xin Wang Xuan Shen Dunru Zhu