Wei Zhang

Nanjing Tech University

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Junlong Xie

Huazhong University of Science and Technology

Yongneng YANG

China Aerodynamics Research and Development Center

Ju HUANG

China Aerodynamics Research and Development Center

Wenhui Ji

East China Normal University

Jun Jiang

Changzhou University

Rong Gao

Tianjin Chengjian University

Song Ding

Beihang University

Qi Liu

Zunyi Medical University

Xiaoqing Zhang

Huazhong University of Science and Technology

Yiqing Wang

Nanjing Tech University

Cooperative Institutions

Nanjing Tech University

Huazhong University of Science and Technology

China Aerodynamics Research and Development Center

Chinese Academy of Sciences

China National Offshore Oil Corporation (China)

Xiamen University

Northwest University

Northwestern Polytechnical University

Zhejiang University

Southwest Jiaotong University

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Photosensitive hydrogels: from structure, mechanisms, design to bioapplications

Science China Life Sciences (2020)

Wenhui Ji Qiong Wu Xisi Han Wei Zhang Wei Wei

Biocompatibility

Smart material

10.1007/s11427-019-1710-8

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Citations (46)

Developing and applying Mach 4.5 nozzle in hypersonic wind tunnel

Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University (2021)

Ju HUANG Yongneng YANG Qi Liu Haibin YANG Wei Zhang

Mach 4.5 tests in a conventional trans-supersonic wind tunnel are often accompanied by the air liquefaction phenomenon, resulting in the low reliability of test data. The Mach 4.5 nozzle developed in a hypersonic wind tunnel is able to heat airflow and provide more accurate test data. At present, China does not have the capability to test the Mach 4.5 nozzle in the 0.5-meter hypersonic wind tunnel. This gap may be filled by developing the Mach 4.5 nozzle in the hypersonic wind tunnel. The axisymmetric nozzle profile was calculated by the inviscid flow calculation method, and the boundary layer was modified by the Sivells-Payne method. Then, the numerical simulation was carried out, and the simulation results prove that the nozzle profile thus calculated meets the design requirements of the Mach number. For its structural design, a three-section design method is adopted to ensure the continuity and smoothness of the inner surface so as to better calibrate the flow field. Standard model tests were also carried out. The test results show that the velocity field of the Mach 4.5 nozzle we developed meets technical requirements. The standard model test data provide data reliable support for the development of aircraft.

Hypersonic wind tunnel

Supersonic wind tunnel

Inviscid flow

10.1051/jnwpu/20213951064

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Fabrication of high-performance dual-gate ISFET pH sensors using In2O3 nano-channel

Current Research in Biotechnology (2023)

Yiqing Wang Fei Wu Xun Wang Song Ding Wei Zhang

Here, a high-performance dual-gate ionsensitive field-effect transistor (ISFET) was designed for pH detection based on the high carrier mobility and chemical stability of In2O3. To optimize the structural parameters of the ISFET, the ISFET model with a dual-gate structure was constructed using the Silvaco TCAD. The effects of the channel layer and gate dielectric layer parameters on the performance of the ISFET model were investigated in the dual-gate structure. Following the optimal parameters of the simulation, the dual-gate ISFET chip was fabricated by microfabrication techniques. The pH sensitivity of the fabricated chip was 321.54 mV/pH and exhibited good stability with low drift and hysteresis voltage. In addition, we also tested the pH change caused by the hydrogen peroxide oxidation reaction under catalysis by horseradish peroxidase. The sensitivity was up to 103.28 µA/mM, verifying this high-performance ISFET can be used to detect pH changes of trace substances in the biosensing field.

ISFET

10.1016/j.crbiot.2023.100149

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Risks Minimization and Results Improvement in Offshore Projects

Hongfu Shi Wei Zhang Xiaodong Han Haochuan Ling Chaojie Kong

Abstract A new regional integrated development pattern is proposed by Bohai Oilfield Bureau, based on the existing development and production system and engineering facilities, and combined with the distribution characteristics of underground oil and gas resources in Bohai oilfields, and according to the principles of ‘overall planning, unified layout, stage promotion and subarea implementation'. Through the integration and rational allocation of exploration and development, reservoir and engineering, development and production, the overall planning of underground resources and ground engineering is carried out, and a perfect regional development pattern is gradually formed. Based on reducing the threshold of oilfield development through resources sharing and accelerating the construction of new oilfield, the reservoir potential is fully released, and the efficient development of regional oil and gas is realized.

Promotion (chess)

Minification

10.4043/29325-ms

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Feasibility investigation of non-equilibrium condensing nitrogen droplets as tracer particles in cryogenic wind tunnels

Physics of Fluids (2023)

Jiaxin Hou Rong Gao Wei Zhang Xiaoqing Zhang Xing Xiao

Application of high-precision non-intrusive flow field measurement techniques in transonic cryogenic wind tunnels (CWT) is confined to the lack of suitable tracer particles. The present study explored the feasibility of utilizing non-equilibrium condensing nitrogen droplets as tracer particles. A numerical model of the nitrogen non-equilibrium condensation was established. Accordingly, the non-equilibrium condensation process of nitrogen droplets and feasibility analysis of tracing were investigated. The results reveal that the occurrence of nitrogen droplets as well as the droplet concentration and mean radius can be regulated in the nucleation zone and droplet growth zone by varying gas temperature or pressure. Furthermore, the feasibility of employing nitrogen droplets as tracer particles in the working conditions of CWT is confirmed through the analysis of tracking capability, response time, concentration, and duration of droplet traceability. Formulas correlating used to calculate duration of droplet traceability have been proposed. This study proved the potential application of condensing nitrogen droplets as tracer particles in CWT.

TRACER

10.1063/5.0160705

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Research on the Location of Fire Station Based on GIS and GA

Applied Mechanics and Materials (2011)

Wei Zhang Jun Jiang

To locate the fire station under a prescribed period is of strategic significance in the urban fire planning. On the .Net platform, integrate the Genetic Algorithm and Geographic Information System (GIS) via the C# language to resolve the complicated issue of the spatial site selection. The GIS spatial data will be imported to the module first. Then on the basis of both the spatial analysis feature and the network analysis feature of GIS, calculate the individual’s fitness in the process of the genetic evolution. The Conventional coding approach is generally utilized to optimize the small-scale data set. However, to meet the search requirements in the massive spatial data of GIS, the object oriented coding approach is designed in the module. It is indicated that the entire module is able to resolve the site selection issue of the urban fire station properly, which meets the quick response’s requirements.

Site selection

10.4028/www.scientific.net/amm.130-134.377

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Citations (12)