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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N
Links
Shanxi Provincial Education Department
Taiyuan University of Technology
location： home> 2023,54(02)
Research Review on the Damage Theoretical Model of Metal Materials
The plastic deformation of metal material is accompanied by surface defects, internal defects, damage cracks, etc., and these defects seriously restrict the processing of metal and its performance improvement. Therefore, the continuous damage mechanics theory and the fine view of the damage mechanics theory were reviewed, and then according to the damage model construction, to effectively predict the material crack damage, thus making a good foundation for the subsequent secondary development and...
Taiyuan University of technology 2023,54(02): FAN Qinhong,GAO Hongwei,CHU Zhibing. ;PDFviewed：abstract
Photocatalytic Production of Hydrogen Peroxide by pg-C3N4/CQDs Composite under Visible Light
Compared with the traditional anthraquinone method, photocatalytic production of hydrogen peroxide (H2O2) has the advantages of clean and environmental protection, mild conditions, and low power consumption. Graphite carbon nitride (g-C3N4) is a promising photocatalyst for H2O2 production. However, owing to its small specific surface area, narrow light response range, and easy recombination of photogenerated electron-hole, the efficiency of H2O2 production is relatively low. In this paper, porous...
Taiyuan University of technology 2023,54(02): LUO Yifei,SHI Jianhui,WANG Hui,YANG Tiantian,JU Chenke. ;PDFviewed：abstract
Application of Hydroxymethylation of Fluorene by One-step Method to 9-Fluorenylmethanol in Extraction and Separation of Phenanthrene from Anthracene Residue
It is difficult to separate fluorene and phenanthene by conventional separation method owing to their similar properties. The reaction-separation coupling technique was adopted to solve the problem, in which fluorene is first converted into 9-fluorenylmethanol. The factors affecting the yield and selectivity of 9-fluorenylmethanol by one-step synthesis with potassium carbonate as catalyst were investigated for the separation of phenanthrene from anthracene residue further. The results showed that...
Taiyuan University of technology 2023,54(02): QIAO Yafei,LIU Junli,YE Cuiping,GUO Meixin,LI Wenying. ;PDFviewed：abstract
Effect of Film-forming Substances on Water-based Ultra-thin Fireproof Coatings
The effects of film-forming substances epoxy emulsion, acrylic emulsion and styrene-acrylic emulsion on the fire resistance of water-based ultra-thin fireproof coatings were investigated by using the expansion multiplier and back temperature of steel plates as indicators. The results show that the highest expansion multiplier of 14.4 and the lowest back temperature of 284.3 ℃ for 80 min were obtained for the composite coating with epoxy emulsion∶acrylic emulsion=1∶1. The softening temperature ...
Taiyuan University of technology 2023,54(02): HAO Haidong,WANG Yuxin,ZHANG Siyu,GUO Jingmao,WANG Xin,MA Jianchao. ;PDFviewed：abstract
Improvement of Thermoelectric Properties of n-Mg3.2Sb1.5Bi0.5 by Co-doping of Te and Y
Mg3Sb2 material is an excellent thermoelectric material in the mid-temperature region, with extremely low thermal conductivity, but its carrier concentration is low. In this paper, n-type Mg3.2Y0.05Sb1.5Bi0.05Teδ samples were prepared by mechanical alloying method combined with spark plasma sintering (SPS) technology, and their thermoelectric transport properties were investigated. The results show that the anion site doping element Te can further increase the carrier concentration of the cation...
Taiyuan University of technology 2023,54(02): JIANG Yu,KANG Zepeng,CHEN Shaoping,FAN Wenhao. ;PDFviewed：abstract
Performance and Mechanism Analysis of Nano-silica Sol Modified Cement-based Materials
In view of the problems of low early strength and weak deformation resistance of ordinary cement-based materials, the cement-based materials were modified by nano-silica sol. The nano-silica sol was charasterized by means of electro-hydraulic servo universal testing, X-ray diffraction, and scanning electron microscopy. The fluidity, stone rate, uniaxial compressive strength, elastic modulus, hydration products, and microstructure of cement-based materials with different water-cement ratios were e...
Taiyuan University of technology 2023,54(02): SUN Haocheng,CHAI Zhaoyun,SHEN Yuxu,GUO Junqing,Xin Zipeng,Li Tianyu. ;PDFviewed：abstract
Application of Improved Model Predictive Control in Ceramic-based Abrasiver Block Sintering Furnace
In order to optimize the preparation of sintered tumbling blocks and improve the quality of the blocks, on the basis of the analysis of the sintering process characteristics of tumbling mill blocks and the application of non-minimum state space model prediction (NMSSMPC) in ethylene cracking furnace, a Kalman filter-based non-minimum state space model prediction control (KF-NMSSMPC) method was propased and applied to the tumbling mill sintering furnace. The control algorithm eliminates the effect...
Taiyuan University of technology 2023,54(02): YAN Fei,XUE Zhiyong,YANG Shengqiang,CHEN Qunli,TIAN Jianyan,YAN Ying. ;PDFviewed：abstract
Stress Analysis of Cylindrical Lithium Ion Power Battery during Winding Process
In the manufacturing process of lithium-ion power battery, winding is a very critical process. In order to ensure the safety and stability of the battery, no buckling, wrinkling, and even fracture is allowed in the process of winding. Different battery models lead to different winding methods for the jellyroll. The most suitable winding method is determined by the external radius of the jellyroll. First, the winding layer is treated as a thin-film material, the constitutive equation of jellyroll ...
Taiyuan University of technology 2023,54(02): CHEN Jingyi,WANG Genwei, SONG Hui,LEI Jianyin,WU Guiying. ;PDFviewed：abstract
Study on the Dynamic Shear Properties and Texture Evolution of CoCrNiSi0.3 Medium-Entropy Alloy
The dynamic loading of CoCrNiSi0.3 medium-entropy alloys was performed by using Split Hopkinson Pressure Bar. The compression properties at different strain rates were investigated, and found to be sensitive to strain rates and have obvious strain rate strengthening effect. Under quasi-static compression (strain rate 10-4 s-1), the strain rate sensitivity m is 0.13, while under dynamic compression (strain rate 5 150 s-1) m 0.25. The shear properties of the alloy were studied through hat shaped sh...
Taiyuan University of technology 2023,54(02): WANG Ping,ZHAO Yingjie,HU Guang,ZHANG Tuanwei,MA Shengguo,WANG Zhihua. ;PDFviewed：abstract
Multi-factor Contribution to the Height of Water-conducting Fracture Zone and Mine Zoning for Water Protection in Yushen Coalfield
Predicting the Water-conducting fracture zone height(WFZH) and determining the mining zones that require water conservation operations are critical for the mine sustainability. In this paper, mathematical statistics, multiple regression and spatial analysis methods were employed to analyze the mechanisms of longwall parameters contributing to WFZH and construct a nonlinear correlation of WFZH versus mining height, depth of cover, and retreat rate. Based on the WFZH equation and aquifer depressur...
Taiyuan University of technology 2023,54(02): ZHANG Shuai,FENG Guorui,ZHANG Dongsheng,YU Wei. ;PDFviewed：abstract
Research on the Influence of the Position Change of High Drainage Roadway on the Gas Distribution Law in Goaf
In order to study the application of high drainage roadway in goaf gas extraction and gas control in upper corner, and explore the influence of high drainage roadway extraction position on gas distribution law in goaf. Taking 15302 fully mechanized top coal caving face of Liyang Coal Mine as the research object, the gas distribution was simulated by using Fluent numerical simulation software when the goaf without extracted and when the roadway was extracted at different extraction positions. By c...
Taiyuan University of technology 2023,54(02): LI Ying,ZHAO Dong,CHEN Tao. ;PDFviewed：abstract
Spatial and Temporal Distribution and Characteristics of Tuff Intervals from Yanchang Formation in the Southeastern Margin of Ordos Basin
This study focuses on the tuff intervals involving zircon U-Pb geochronology, which are located at the bottom of Yanchang Formation in Yonghe outcrop section, Shanxi Province. In conjunction with the field exploration and microscopic observation, they show obvious regional differences. They mainly occur in the Yonghe and Daning counties, the southeast margin of Ordos Basin, and in the Ningwu Basin, and show a trend of thinning from west to east. The weighted average ages of the dominant component...
Taiyuan University of technology 2023,54(02): TIAN Kaiwen,FENG Zhiqiang,LIU Yongjiang,SHI Jianru,LEI Yong,XU Shichao,WANG Quan,WEI Rongzhu. ;PDFviewed：abstract
Application of 1D and 2D Coupled Hydrodynamics and Water Quality Model in the Controlled River of Sluice
In order to study the hydrodynamic characteristics and pollutant transport law of the sluice-controlled reach, MIKE software was used to establish a hydrodynamic and water quality mathematical model which was coupled with the two-dimensional model of the backwater area of Fenhe river second dam and the one-dimensional model of the upstream and downstream of the backwater area and the Xiaohe river reach. On the premise that the water level of the second dam of Fenhe river can be controlled normall...
Taiyuan University of technology 2023,54(02): XIANG Fei,HAO Ruixia,ZHANG Qiannan. ;PDFviewed：abstract
Spatiotemporal Evolution of Urban Green Space and Ecological Quality in Beijing-Tianjin-Hebei Region
Urban development in the future is more manifested as the development of urban clusters, and the regional ecological quality is an important basis for its ability to maintain sustainable development. On the basis of the three phases of MODIS remote sensing data from 2000 to 2020, we quantitatively analyzed the spatial and temporal dynamics and evolution of land ecological conditions in Beijing-Tianjin-Hebei region under the background of urbanization by dividing urban green space and constructing...
Taiyuan University of technology 2023,54(02): SUN Qi,CHEN Yucan,LU Junming,ZHAO Yuling,HE Yongyun. ;PDFviewed：abstract
Dry Shrinkage Property of BFRP Reinforced Ecological High Ductility Concrete
Ecological high ductility concrete (Eco-HDC) has an excellent tensile property, thus can be used to cast bridge jointless link slab. To avoid the crack problem caused by the large shrinkage of Eco-HDC material, BFRP bar is selected as a kind of anti-cracking bar. The purpose of this study is to obtain the cover thickness of BFRP bar for the structural design on the basis of shrinkage analysis of BFRP bar reinforced Eco-HDC. The effect of cover thickness on dry shrinkage of BFRP bar reinforced Eco...
Taiyuan University of technology 2023,54(02): CHAI Lijuan,LIU Li,LIU Zhanchao,WANG Liuye. ;PDFviewed：abstract
Analysis of Hysteretic Failure Mechanism of Cylindrical Shell Considering the Influence of Diameter-to-thickness Ratio
In order to clarify the influence of diameter-to-thickness ratio on the hysteretic behavior of cylindrical shells, the hysteretic failure modes and energy dissipation capacity of cylindrical shells with different diameter-to-thickness ratios were studied through low cyclic load test and numerical simulation. The results show that the diameter-to-thickness ratio affects the buckling mode of the structure. With the increase of diameter-to-thickness ratio, the failure mode changes from bottom elepha...
Taiyuan University of technology 2023,54(02): WANG Xihui,WU Tao,ZHOU Yansheng,QIAN Yongmei,HUANG Wei,WANG Jinpei. ;PDFviewed：abstract
Mechanical Property Numerical Analysis and Design Method of a New Type of Fully Assembled Column-base Joint
A column base fully assembled joint connecting square steel tube column and H-shaped steel beam was proposed. The joint is formed in the intersection of the beam and column, the flange is connected to the column, and the steel beam is connected by the end plate. By changing the end plate thickness, bolt diameter, and flange opening diameter of the joint, the finite element numerical analysis of four groups of joint specimens was carried out by using ABAQUS. The ultimate bearing capacity and defor...
Taiyuan University of technology 2023,54(02): XU Chenjia,LEI Honggang,DUAN Yutong,WANG Guoqing. ;PDFviewed：abstract
Parameter Analysis and Structure Optimization of Counter Flow Dew Point Evaporative Cooler
In this paper, ISO 7730 as thermal comfort standard was utilized to analyze the applicability of counter flow dew point evaporative cooler in the dry and hot region—Datong, Shanxi. The output air temperature, cooling efficiency, and cooling capacity were considered, and the finite method was used to optimize the operating parameters and geometric parameters of the evaporative cooler. The effects of primary air inlet velocity, primary-to-secondary air ratio, channel spacing, and channel height on...
Taiyuan University of technology 2023,54(02): DING Zhenping,DU Zhenyu,HUA Jing,ZHANG Min. ;PDFviewed：abstract
Single Sample Face Recognition and Verification via Feature Learning with Gabor Filter and Kernel Pooling
Aiming at the complex structure of deep network models, inspired by the fact that the construction of Gabor filters does not require any learning process and has nothing to do with training data, and that radial basis function (RBF) kernel pooling can extract nonlinear second-order features, a lightweight convolutional network approach combining Gabor filters and RBF kernel pooling was proposed. First, Gabor convolution is performed on the face image to obtain the feature map; then the hyperbolic...
Taiyuan University of technology 2023,54(02): ZHOU Daoxiang,FENG Shu. ;PDFviewed：abstract
Ultrasonic Thyroid Nodule Segmentation Based on Segmentation Adversarial Network
An ultrasonic thyroid nodule segmentation model based on conditional segmentation adversarial network (cSegAN) was proposed to achieve more accurate segmentation of thyroid nodules. The model is composed of two parts: a segmenter network and a discriminator network. The segmenter network design uses a multi-expansion rate convolution block to accurately locate the nodule area, learn to extract the depth and shallow feature information of the nodule, and obtain binary mask of nodule area; the disc...
Taiyuan University of technology 2023,54(02): WU Junxia,QIANG Yan,WANG Mengnan,WU Yijia. ;PDFviewed：abstract

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