Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering)
Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) was originally founded in 1959. The publisher of the journal is Wuhan University of Technology. JWUT first got the scopus license in the year 2001. The journal generally publishes all aspect of engineering sciences like: physics, chemistry, mathematics, and all sorts of general engineering.
Scopus Indexed(2023)
Submission Deadline
Volume
47
, Issue
04
04 Oct 2023
Day
Hour
Min
Sec
Publish On
Volume
47
, Issue
03
30 Sep 2023
Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering)
Aim and Scopes
Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) (ISSN:2095-3844) is a peer-reviewed journal. The journal covers all sort of engineering topic as well as mathematics and physics. the journal's scopes are in the following fields but not limited to: :
Electrical Engineering and Telecommunication Section:
Computer Science Section :
Civil and architectural engineering :
Mechanical and Materials Engineering :
kinematics and dynamics of rigid bodies, theory of machines and mechanisms, vibration and balancing of machine parts, stability of mechanical systems, mechanics of continuum, strength of materials, fatigue of materials, hydromechanics, aerodynamics, thermodynamics, heat transfer, thermo fluids, nanofluids, energy systems, renewable and alternative energy, engine, fuels, nanomaterial, material synthesis and characterization, principles of the micro-macro transition, elastic behavior, plastic behavior, high-temperature creep, fatigue, fracture, metals, polymers, ceramics, intermetallics. Kongzhi yu Juece/Control and Decision Azerbaijan Medical Journal Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Zhonghua yi shi za zhi (Beijing, China : 1980) Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) Teikyo Medical Journal Tobacco Science and Technology Changjiang Liuyu Ziyuan Yu Huanjing/Resources and Environment in the Yangtze Valley Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentationChemical Engineering :
Food Engineering :
Physics Section:
Mathematics Section:
Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering)
Durability Study on Concrete Using Partially Replaced Recycled Coarse Aggregate and Seashore Sand
The focus on utilizing reclaimed construction materials arises from the surge in construction and demolition waste caused by rehabilitation, natural disasters, and technological disasters. The measures taken to create recycled concrete adhere to three primary criteria: conservation of natural resources, utilization of increasing waste, and savings in energy and finances. This research paper examines the durability properties of concrete produced by partially replacing Recycled Coarse aggregate and seashore sand. The properties investigated include water absorption test, porosity, Alkalinity, Sorptivity, acid resistance test, and Rapid chloride penetration test. The compressive strength test determined that the optimal replacement level for recycled coarse aggregate (RCA) in concrete is 40%. The study on durability properties involved testing concrete with a constant 40% recycled coarse aggregate and varying replacement levels for river sand with both untreated and treated seashore sand (0%, 10%, 20%, 30%, 40%, 50%, and 100%). The results were compared to those of conventional concrete, revealing that recycled coarse aggregate concrete combined with seashore sand yields durability properties comparable to conventional concrete.
Design and Modification Pink Ribbon Antenna for GPS Applications
This study presents a novel multiband pink ribbon patch antenna design with coaxial line feeding. Then, a pink ribbon patch antenna was created, and the results were reported in terms of gain, bandwidth, and return loss. For improved performance, it was suggested that the ground layer of the antenna be modified by cutting a ring notch through the centre. The patch and ground layers of the suggested design were made of copper, and the substrate layer was made of polyimide with a 0.75 mm thickness. According to the results, the improved design performs better and can work efficiently at 1.575 GHz and 2.1 GHz, which may be dedicated for, while the pink ribbon patch antenna can only run at 1.575 GHz, which is applicable for GPS applications.
Efficient Image Watermark Scheme Based on DCT-DFT and Singular Value Decomposition Algorithm with Ikeda /Arnold Maps
Providing robust image watermarking scheme for attending multimedia security stills a challenge nowadays. Numerous methods have been proposed, employing diverse algorithms to enhance the secure transmission and reception of multimedia. This paper introduces a method to embed a watermark image into the host image by applying Discrete Cosine Transform (DCT) and Discrete Fourier Transform (DFT). DCT is employed to identify suitable frequencies for seamless embedding, while DFT is utilized to capture the magnitude and phase characteristics of the host image. To enhance security levels, Ikeda maps are integrated into the scheme. Additionally, Arnold's maps and Singular Value Decomposition (SVD) are applied to identify optimal points that minimize any degradation of the host image quality. The results obtained from evaluating the proposed system using Peak Signal to Noise Ratio (PSNR) values indicate the strength of the system in terms of watermark robustness and the difficulty for an attacker to discriminate or perceive the presence of the watermark. These findings highlight the effectiveness and reliability of the proposed system is more described in the rest of the paper.
OPTIMATION DISTRIBUTION ROUTE OF ALCOHOL DEMAND DURING COVID 19 PANDEMIC USING SAVING MATRIX METHOD AND MONTECARLO SIMULATION
Antiseptic is a chemical substance that destroys microorganisms or inhibits work to prevent an infection system. One example of an antiseptic is alcohol. Alcohol, a primary ingredient for hand sanitizers, is now experiencing shortages due to the pandemic in Indonesia. These requests are generally intended for the sterilization and sanitation needs of a company that operates as an alcohol distributor, PT. X has received a lot of requests for alcohol due to the Covid-19 pandemic. Modeling and simulation can be done using the Monte Carlo method to meet the above requirements. After seeing the number of product requests, the next step is to send the product until the customer well receives it. Delivery is unbeatable with existing demand. The problem was that the product delivery was unbeatable with the vehicle capacity. So the shipping costs are pretty high. Companies can use the Vehicle Routing Problem (VRP) method that arises. The solution to the VRP problem is obtained by the Saving Matrix method. From this research, the expected demand (expected value) of 163.2 drums of alcohol per day differs from the average demand of 159 drums of alcohol using a simulation for 30 days and distribution routes, giving a distance of 228. km or with a proportion of savings of 31.84%.
Deterioration Forecasting in Production Line Based on Cox Regression Model
In today's competitive market, business organizations must strive for escalating efficiency and optimize their manufacturing operations to confirm sustainability. To attain this, they need to ponder various factors to minimize the risks of machine failure and respond promptly to customer demands in a prompt manner. Our proposal focuses on predictability and real-time monitoring of machine deterioration, as well as the influence of the time value of money on any machines. Machines generally deteriorate over time, leading to production latency and hypothetically lower-quality products. In this article, we propose utilizing the Cox regression model to optimize factory benefits by employing proactive analytics and preventive maintenance, guaranteeing reliable quality in production at all times. This analysis will evaluate machine survival conditions and will be based on hazard and risk ratios.
Characterization of radon concentration, surface and mass exhalation rates radon and effective dose rate from soil samples in the Midelt, region of Morocco, using Alpha GUARD
The article discusses the levels of radon concentration in soil samples from the Midelt region of Morocco. Radon is a naturally occurring radioactive gas that is known to increase the risk of lung cancer, and understanding its presence and migration is important for predicting and mitigating radon exposure in indoor environments. The study aims to determine the natural levels of radon radioactivity in soil samples from four locations in the Midelt region and evaluate the collective impact of radiological hazard indices, such as annual effective dose equivalent, surface area, and mass radon exhalation rate. The soil samples were collected from Tounfite, Boumia, Aghbalou, and Zaida, and analyzed using the AlphaGUARD device to measure the activity concentration of radon. This study provides important information about the levels of radon concentration in the soil of the Midelt region of Morocco, which can be used to predict and mitigate radon exposure in residential and other indoor environments.
Analysis of Modifier Content and Uniformity in SBS Modified Asphalt Based on Fluorescence Microscopic Image Analysis
The preparation method of SBS-modified asphalt has a direct effect on its overall performance. Currently, the optimal process is usually determined by conventional performance properties, such as softening point, ductility, and penetration, which may deviate from practical field performance. This study aims to investigate the influence of different preparation methods on the performance and microstructure of SBS-modified asphalt based on fluorescence microscopy testing, the multiple stress creep recovery (MSCR) test, the linear amplitude sweep (LAS) test, as well as Burgers model fitting. SBS-modified asphalt was prepared with different shear rates, shear temperatures, shear times, development time, and sulfur addition. The results show that the optimal process for preparing SBS-modified asphalt is 2 h of shearing at 180 °C and 4000 r/min, followed by sulfurization and 6 h of development. The performance of SBS-modified asphalt is most notably influenced by sulfurization, which forms C–S bonds to make the polymer network stronger, thereby improving the high-temperature performance as well as the fatigue resistance. However, due to high-temperature sensitivity, C–S bonds may break during development, leading to weakened performance. The performance of SBS-modified asphalt without sulfur addition shows a monotonically increasing trend with the extension of development time.
Deformation Analysis of Asymmetric Deep Excavation
With the development of urbanization, the transportation network of underground tunnels has been gradually formed and improved. It is a complicated issue for engineering construction when two municipal road tunnels intersect at one point. Based on a construction site of the crossing point of the Huayuan Road Tunnel and Luzhou Road Tunnel in Hefei City, China, the finite element analysis method is used to calculate and analyze the deformation characteristics of the crossing point of the tunnels during the asymmetric construction of connecting parts. The deformation behaviors of the crossing point of tunnels subjected to symmetrical construction are also studied for comparison. Results show that the deformations of the supporting pile and tunnel frame structures increase rapidly when they are subjected to asymmetric construction, while the lateral movement of the supporting pile and the deformation of the tunnel structure can be greatly limited when the symmetrical construction method is adopted. Some suggestions for engineering construction are put forward to ensure the safety of the structure, such as multi-stage construction and temporary supporting measure.
Research on Cargo Flow Distribution in Transportation Network Considering Congestion and Environmental Cost
During the last years, e-commerce has grown rapidly. As a result, the number of parcel deliveries in urban areas is increasing, which affects the inner-city traffic and leads to congestion and air pollution, thereby decreasing the quality of life in cities. City administrators and logistic service providers have been working on the optimization of parcel distribution in order to alleviate congestion and reduce the negative impact on the environment. One of the solutions for environmentally friendly parcel distribution are two-stage distribution systems with city hubs. City hubs are facilities located close to the delivery area which are used as an enabling infrastructure to store and consolidate the parcels. For the last mile delivery from the city hub to final customers, zero emission vehicles, such as cargo bikes, can be used. Many studies have been conducted on this topic in recent years. This paper contributes to this research area by evaluating the implementation of such a two-stage distribution system with a city hub and cargo bikes in Innsbruck, Austria. The goal is to determine the best location for a city hub and the composition of the delivery fleet by minimizing the total distribution and CO2 -emission cost. E-vans are used for the first and cargo bikes for the second stage of the parcel delivery. The problem is modeled as a vehicle routing problem with multiple trips and is solved in ArcGIS Pro, using the built-in routing solver. The analysis shows that all hub candidates provide comparably good results, with one potential station, the main station, showing the highest improvement compared to the basic system, with delivery by conventional vans. Savings in distribution costs of up to 30% can be achieved. Furthermore, by taking into account both indirect and direct emissions with a well-to-wheel approach, CO2 -emissions can be reduced by 96%.
Structural Strength and Vibration Analysis of Cylindrical Masl Under Different Connection Forms
In this paper, we present a novel and unified model for studying the vibration of cylindrical shells based on the three-dimensional (3D) elastic theory and the Carrera Unified Formulation. Our approach represents a significant advancement in the field, as it enables us to accurately predict the vibrational behavior of cylindrical shells under arbitrary boundary conditions. To accomplish this, we expand the axial, circumferential, and radial displacements of the shell using Chebyshev polynomials and Taylor series, thereby reducing the dimensionality of the expansion and ensuring the precision and rigor of our results. In addition, we introduce three groups of artificial boundary surface springs to simulate the general end boundary conditions of the cylindrical shell and coupling springs to strongly couple the two surfaces of the cylindrical shell ϕ = 0 and ϕ = 2π to ensure continuity of displacements on these faces. Using the energy function of the entire cylindrical shell model, we obtain the characteristic equation of the system by finding the partial derivatives of the unknown coefficients of displacement in the energy function. By solving this equation, we can directly obtain the vibration characteristics of the cylindrical shell. We demonstrate the convergence, accuracy, and reliability of our approach by comparing our computational results with existing results in the literature and finite element results. Finally, we present simulation results of the frequency features of cylindrical shells with various geometrical and boundary parameters in the form of tables and figures. Overall, we believe that our novel approach has the potential to greatly enhance our understanding of cylindrical shells and pave the way for further advancements in the field of structural engineering. Our comprehensive model and simulation results contribute to the ongoing efforts to develop efficient and reliable techniques for analyzing the vibrational behavior of cylindrical shells.
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/Journal of Wuhan University of Technology (Transportation Science and Engineering)