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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> 2020,51(03)
Research Progress of Blockchain Key Technologies and Their Application
The blockchain uses cryptography, consensus algorithm, point-to-point communication and other technologies to construct a distributed trust foundation, which realizes that the data on the blockchain can be temper-proof and traceable. Blockchain technology, originated from bitcoin, is an important technological innovation in the field of fintech. It has developed rapidly in data sharing, electronic certificate, message tracing and other fields. However, the performance and scalability problems cau...
Taiyuan University of technology 2020,51(03): ZHU Jianming ZHANG Qinnan GAO Sheng. ;PDFviewed：abstract
Research on Electricity Trading Based on Blockchain Technology
The traditional trading model has some problems, such as high operating costs and the fact that trading information can be tampered with. Therefore, an electricity trading system based on Hyperledger Fabric was proposed in this paper. First, the Certificate Authority is introduced into the transaction system. By controlling the public and private keys of market entities, it is verified whether they are authorized to participate in market transactions, thereby achieving identity verification and a...
Taiyuan University of technology 2020,51(03): ZHAO Wenting SHEN Meng JIN Zhixin WANG Yingsen LI Yi. ;PDFviewed：abstract
Dissolution Rule of Elements of Hydrothermal Pre-activation Combined with Acid Leaching of Fly Ash
Fly ash contains a large amount of Si, Al, Fe, Ca and other elements, but the elements in fly ash are covered by the dense amorphous aluminosilicate glass phase, which hinders the dissolution of the elements in fly ash. Activation treatment is the key to solve this problem. When it is combined with hydrochloric acid leaching, these elements can be extracted. The effects of acid leaching conditions and hydrothermal pretreatment conditions on the dissolution of various elements(Si, Al, Fe, Ca, etc....
Taiyuan University of technology 2020,51(03): MA Lingjun SHI Pengcheng HAN Lina CHANG Liping BAO Weiren WANG Jiancheng. ;PDFviewed：abstract
In Situ Synthesis of BiOBr/BiPO4Composite Photocatalyst and Its Photocatalytic Performance
In this article, BiOBr/BiPO4 composite photocatalyst was prepared by anion exchange method through in situ growing BiPO4 on the surface of BiOBr. As obtained BiOBr/BiPO4 composite photocatalyst was characterized by X-ray diffraction(XRD), scanning electron microscopy(SEM), UV-Vis diffuse reflection spectroscopy(UV-Vis DRS) and transient photocurrent. The photocatalytic performance of as-obtained BiOBr/BiPO4 photocatalyst was evaluated by the degradation of MO under simulated sunlight irradiation....
Taiyuan University of technology 2020,51(03): FAN Bingbing DING Guangyue WANG Yawen FAN Caimei. ;PDFviewed：abstract
Electrochemically Switched Coal-based Carbon Membrane for Efficient Separation of Lead Ions in Dilut
In this study, the coal-based tubular carbon membrane was selected as the electrode of electrically switched ion exchange, and Pb2+ in dilute solution was separated by electric double layer and electrically switched ion exchange mechanism. At the same time, the electrically switched separation performance of Pb2+ was investigated under different operating mode(static and dynamic), electrode potential, initial concentration of Pb2+ and coexisting cations. The results show that carbon membrane, as ...
Taiyuan University of technology 2020,51(03): CHANG Lutong GAO Fengfeng DU Xiao MA Xuli HAO Xiaogang. ;PDFviewed：abstract
Molecular Dynamics Simulation of Surface Tension of Ethyl Hexanoate/ Ethyl Dodecanoate and Their Bin
Ethyl hexanoate and ethyl dodecanoate are commonly used as fuel additives, and the surface tension of pure substances and their mixtures is the crucial data for design or optimization of fuel injection system. In present work, the interfacial properties of ethyl hexanoate, ethyl dodecanoate and their binary mixtures, including surface tension, interfacial layer thickness and density were studied by molecular dynamics simulation. All properties were simulated in the temperature ranges between 298....
Taiyuan University of technology 2020,51(03): LIU Xiaona ZHAO Guanjia YIN Jianguo MA Suxia. ;PDFviewed：abstract
Improved Dispersion of Carbon Microspheres Reinforcement in Mg Matrix Composites
In order to obtain homogeneous dispersion of nano-carbon in Mg matrix, the effect of surfactants cetyltrimethylammonium bromide(CTAB), polyvinyl alcohol(PVA), sodium dodecylbenzene sulfonate(SDBS) and polyvinylpyrrolidone(PVP) on the dispersion of reinforcement was compared. PVP was selected as the functional dispersant in this work. The uniform dispersion of nano-reinforcement was achieved in Mg matrix by high-intensity ultrasonic functionalization with surfactant, and then carbon microspheres(C...
Taiyuan University of technology 2020,51(03): JIN Lin YANG Yongzhen FAN Jianfeng XU Bingshe. ;PDFviewed：abstract
On Settlement Control of Shield Tunnels Underneath Traversing Existing Dual Shield Tunnels in Gravel
In order to study the settlement regulation and control measures of shield tunnels underneath traversing existing dual shield tunnels in gravel layer, the precedent project that dual shield tunnels of Subway Line 16 traversed shield tunnels of Subway Line 4 in Beijing was taken as an example. By analyzing the numerical simulation and in-situ monitoring data of settlement, the settlement variation trends of existing tunnels caused by traversing construction were clarified. Meanwhile, adaptive tran...
Taiyuan University of technology 2020,51(03): MA Wenhui YANG Chengyong PENG Hua CHENG Lin CHE Jingke WANG Yonggang. ;PDFviewed：abstract
The Application on SWMM Model Based on LID for Flood Control
The initial moisture state of urban underlying surface and low-impact development(LID) changes after different rainfall events. The effects of LID measures on the regulation and control of runoff is affected by the initial moisture state. To study the effects of different initial moisture content of soil and LID measures on runoff regulation, by taking Suining Sports Center as the research object, the Storm Water Management Model(SWMM) was built to simulate the runoff control and peak reduction e...
Taiyuan University of technology 2020,51(03): LIANG Qian YANG Yanna FENG Wenkai WEI Changli. ;PDFviewed：abstract
Experiment on Indoor Temperature Field of Sensible Thermal Storage Electric Heater
On the basis of the experimental study of artificial climate indoor temperature field,the temperature field test bench of high density measuring point was built, the change rules of indoor temperature in the horizontal and vertical directions along with time were investigated, and the effect of outdoor temperature and heat storage time on the temperature field in the climate chamber was studied. The results show that the horizontal temperature gradient was small, but the air temperature differenc...
Taiyuan University of technology 2020,51(03): GAO Chenhui ZHANG Xinghui MA Zhicong WANG Shaobo. ;PDFviewed：abstract
Numerical Study on Performance of Counter Flow Dew Point Evaporative Cooler with Side Inlet
In order to investigate the influence of the structural parameters of counter flow dew point evaporative cooler with side inlet on its performance, a two-dimensional numerical model describing the heat and moisture transfer process in the cooler was established. The outlet temperature, wet bulb efficiency and dew point efficiency of the cooler under different inlet length, channel width, channel length, and different ratio of channel length to inlet length were analyzed and compared. The results ...
Taiyuan University of technology 2020,51(03): KONG Linghan DU Zhenyu YANG Jinming ZHAO Xudong. ;PDFviewed：abstract
Corrosion Mechanism of Lamprophyre Under Water Chemistry
Aiming at the problem of difficulty in mining due to the intrusion of dense and hard lamprophyre into the coal seam, this paper took the lamprophyre collected from Datong Tongfa Dongzhouyao Coal Mine as the research object, soaked the samples with different pH value solution to investigate the peak strength, mineral composition and microstructure of the porphyry rock sample after soaking, and explore the influence law and corrosion mechanism of the chemical solution on the mechanical properties o...
Taiyuan University of technology 2020,51(03): FU Yunkai YANG Yongkang GUO Yanke WANG Qinglong HE Hongwei. ;PDFviewed：abstract
Origin Analysis and Prediction of Ground Fissure Caused by Coal Mining Based on Deep Learning
In order to analyze ground fissures caused by coal mining and predict the development degree of ground fissures, on the basis of summarizing the previous researches, 11 kinds of influencing factor were determined by analyzing the geological survey data and field investigation of Guandi coal mine field. According to the ratio of the acreage of the ground fissures to the gob area, the development degree of ground fissures was divided into 4 categories. By using the method of deep learning, a fully ...
Taiyuan University of technology 2020,51(03): JIA Yang LYU Yiqing. ;PDFviewed：abstract
A Research on Evaluation Model for Clean Production of Coalbed Methane Mining
In order to promote the green mining of coalbed methane, a clean production index system for coalbed methane mining was established; the index weights were calculated by combining the analytic hierarchy process and the entropy method; on the basis of the determination of evaluation standards, the clean production levels of projects were quantified, classified and ranked by using binary semantics. Through above work, an evaluation model for clean production of coalbed methane mining was establishe...
Taiyuan University of technology 2020,51(03): LI Fanfan KANG Jingwen GAO Qing. ;PDFviewed：abstract
Frequency Regulation Energy Storage Capacity Configuration for Different Scenarios based on CPS Indi
The large-scale energy storage with fast,accurate and instantaneous throughput capability undertakes automatic generation control to provide a high-quality resource for secondary frequency regulation in each control area. In order to allocate a reasonable-scale energy storage resource to the application scenarios of different power structure features, a storage capacity allocation method using CPS index evaluation is proposed. First, for the two power supply structures based on thermal power and ...
Taiyuan University of technology 2020,51(03): CHEN Hao JIA Yanbing WANG Xiaoqin ZHENG Jin HAN Xiaoqing WANG Jinhao. ;PDFviewed：abstract
Influence of Moment of Inertia Distribution on Power System Frequency Stability
The large-scale integration of new energy units into the grid will reduce the system inertia, make the grid lack reliable inertial response, and reduce the systems frequency anti-interference ability. In this paper, by taking into account the topological coupling relationship of power networks and the dynamic characteristics of complex networks, a small disturbance stability model is constructed. And then the disturbance is modally decomposed, and the response of each node to the disturbance in t...
Taiyuan University of technology 2020,51(03): WEN Riyong QIN Wenping TANG Zhen QU Ying HAO Jie. ;PDFviewed：abstract
Fault Detection Method Based on Generalized Correntropy Principal Component Analysis
In this paper, a fault detection method based on generalized correntropy principal component analysis(PCA) is proposed to deal with the problem that actual chemical processes are affected by non-gaussian disturbances to varying degrees. First, traditional PCA algorithm is briefly reviewed. Then, from the perspective of reconstruction error, by considering the non-gaussian nature of process, the mean square error is not enough to describe its random characteristics. In this paper, the generalized ...
Taiyuan University of technology 2020,51(03): LIANG Yan ZHANG Yanyun GONG Mingyue REN Mifeng CHENG Lan. ;PDFviewed：abstract
A GPS/BDS/SINS Deep Positioning Algorithm Based on Improved Kalman Filter
In complex geomorphic environments where satellite signals are severely disturbed, satellite positioning and navigation accuracy is low owing to fewer visible satellites and poor satellite signal quality. To solve this problem, a GPS/BDS/inertial navigation deep positioning algorithm is proposed. Based on GPS/BDS pseudo-range combined positioning, this algorithm introduces inertial device measurement values for inertial navigation assisted combined positioning. With the help of fade-out Kalman fi...
Taiyuan University of technology 2020,51(03): CHEN Kexun QIU Wei. ;PDFviewed：abstract
Human Exercise Health Quantification and Implementation Based on Multivariate Human Thermophysiologi
Quantifying human health status and avoiding possible exercise risks in advance effectively and reasonably during exercise are the urgent problems to solve. In this paper, first, by mathematical modeling of human thermo-regulatory mechanism and heart rate regulatory mechanism, a human exercise thermo-physiology simulation model was proposed, by which multivariate physiological data such as core temperature, sweat rate, and heart rate can be simulated. Second, in order to effectively predict human...
Taiyuan University of technology 2020,51(03): JIA Nan JIA Xiaomin HAO Jingjing GU Jing HUANG Yuan. ;PDFviewed：abstract
Research on Straight-line Running Stability of Tracked Electric Bulldozer
In order to solve the problem of straight-line running deviation of electric bulldozer, the simulation model of tracked electric bulldozer was established, and the influence factors of straight-line running stability were analyzed by using the model. According to the analysis results, the difference of response characteristics between two motors, the difference of moving devices on both sides or the difference of load on both sides can cause the deviation of bulldozer, and the difference is posit...
Taiyuan University of technology 2020,51(03): YUAN Yi GAI Jiangtao LIU Chunsheng SUN Zhanchun LI Yaoheng MA Changjun. ;PDFviewed：abstract
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