Advances in Engineering Research

The employment of similitude theory to establish similarity among structural-acoustic systems can save considerable expense and time, if the proper scaling laws are found and validated. In this study necessary similarity conditions or scaling laws for dynamic analysis of stiffened cylindrical shell are...

As an increasing number of power plants are engaged in grid peaking operations, the utility boiler working condition varies frequently and violently, which demands a more flexible and accurate control system. In present investigation, a model measuring heat storage capacity in steam and metal with operating...

The distribution characteristics of plume field structure of solid rocket motor could great influence on overall design of rocket, design of launch vehicle, materials selection and so on. Therefore, it is necessary to study structure characteristic of plume field of solid rocket engine. In this paper,...

For purpose of studying the application of Flamelet Generated Manifolds (FGM) model in numerical simulation of combustion, the combustion field of Sandia piloted flame D and F were studied using FGM model. The laminar flamelet database was generated using the laminar 1D freely propagating flame module...

Nitrogen-doped titania (TiO2) photocatalyst were prepared by a simple sol-gel method using tetrabutyl titanate and triethylamine as precursors. The photocatalytic decomposition of methyl orange (MO) solution was used as a probe reaction to estimate the photocatalytic activity under ultraviolet and simulated...

By using finite element analysis to study the effects of different water-cement ratio and different fiber composition on the flexural properties of Reactive Powder Concrete beam. The results show that: Firstiy, under the same fiber combination, with the increase of water-cement ratio, the bending moment...

To solve the following problems during Transformer Fault Diagnosis: high misdiagnosis rate, calculation complexity, low recognition rate and so on, Oil-immersed Power Transformer fault diagnosis method based on Improved Interval Extension is put forward. First, Improved Extension Set on Intervals fault...

In the engineering construction of real estate projects, green construction is that under the premise of the basic requirements such as guarantee quality, safety, etc., saving resources and reducing the negative impact to the environment to the maximum limit through scientific management and technological...

An important and crucial aspect of image processing is effective identification of lung cancer at an initial stage. One of the state of the art methods in lung cancer detection is machine learning, namely ANNs (Artificial Neural Networks) and Fuzzy Logic. These researches mainly focus upon image quality...

This research was conducted to analyze the application of the integrated pest management (IPM) model to increase the ecological resilience of the honey pumpkin plant. The research was carried out at the Research and Teaching Farm, Pest Laboratory, Laboratory of Biological Agents, Faculty of Agriculture,...

This study investigates the role of construction project planning in achieving efficient project delivery among Ghanaian construction companies, focusing on the challenges faced. A quantitative approach was used to analyze the population of homegrown small and medium-sized construction companies within...

The planned construction of the Kluet Dam in South Aceh Regency is projected to provide strategic benefits for flood control, particularly given that the region recorded the highest flood frequency in Aceh Province in 2023. Although the dam is designed to serve critical functions such as water supply,...

After long-term temperature difference cycles during operation, thin-walled aqueduct structures develop numerous cracks. To ensure the safe and stable operation of the aqueduct, it is necessary to replace the aqueduct shell. The design strength for concrete durability in the current water conservancy...

The industrial revolution has reached 4.0 by developing automation and cyber systems, but the use of automation in the industrial sector is still not accompanied by appropriate operators. Vocational High School (SMK) graduates who are ready to work to enter the industrial world still do not have the...

Neurodegenerative diseases are progressive neuronal degenerative diseases caused by multiple factors, with complex pathogenesis and limited existing treatment methods. Thus, exploring therapeutic drugs from traditional medicinal plants is crucial. Illicium simonsii Maxim., a traditional medicinal plant,...

Mountainous expressway tunnels have tiny spaces, making population evacuation difficult if a fire breaks out. Therefore, the safety risk of tunnel fire accidents must be addressed. In this paper, we comprehensively sort out the fire accident risk sources in long tunnels of mountainous expressways, establish...

The grain production data series present some regularity and nonlinear characteristics in time. To overcome the shortcomings of the linear prediction low precision in traditional grain yield, the application of R/S analysis which based on the nonlinear fractal theory in grain output prediction is studied...

Cloud computing provides users unified services by constituting a huge resource pool with large amount of highly virtualized resources. Its development and application have provided innovative thinking for constructing Public Education Resource Service Platform of Wide-range District Education. This...

Lightweight aggregate concrete has a lot of excellent properties such as light weight, high strength, heat preservation, heat insulation, fire proof, antifreeze, earthquake, and is resistant to chemical cor-rosion. It is a high-rise buildings which has frame structure, large-span, soft soil foundation,...

The areas of improvement in the design of the crowns of roadheaders of selective action and other mining machines. Suggested was the usage of biconical, conical disk tools and their attachment assemblies to the triangular prisms on the crowns of roadheaders and shearers-bladed screws for the destruction...

Modern looms can usually detect a broken warp yarn by using a warp break detector, but they cannot locate the broken end precisely and automatically. High-count and high-density fabrics with a broad width usually have a warp consisting of up to ten thousand of ends that are closely packed. This makes...

The inner evolution process of industrialization were studied by the mechanism of the industrialization and Cobb-Douglas production function. The data from 2004 to 2014 in the national, Guangdong province and Guangxi province were quoted to study the trend of the industrial structure variation .The results...

With the increasing demand of the human space mission, the manipulator plays an important role in the various tasks of space. In this paper, the technical indexes of modular manipulator, including joint torque index and joint accuracy index are given. According to the technical indexes of modular manipulator,...

This paper presents an integrated simulation system for building structures. It is to satisfy the engineering requirements for high performance simulation and is a coalition of the traditional design software and general finite element analysis (FEA) software. Based on this system,the designed models,...

In this paper, in order to estimate the angles for arbitrarily spaced arrays with acoustic vector-sensor, we combine the compressed sensing theory with parallel factor (PARAFAC) model, and propose a neoteric angle estimation algorithm. The proposed algorithm firstly compressed the PARAFAC model, then...

The paper discusses the concepts of equal strength and equal stress structures. We will call equal strength structure, if at each point the equivalent stress corresponding to a particular theory of strength is equal to the ultimate strength of the material. In equal stress structure at all points of...

Cushion segment of disc assembly for automobile clutch is taken as research object, a calculation method of forming height for cushion segment is presented based on the analysis of theory of spring back, and it is called reverse trial method. The dimension of forming die for cushion segment is obtained...

The yield is a very important economic variable in the process of economic operation and plays a very important role in the financial market. For the financial market, the stability and the change law of the yield are the direct factors that affect the development of the financial industry. To this end,...

The event that some lightning rod was fractured and collapsed at the tubular joint of lightning rod occurred in some transformer substation recently. The stress concentration at the tubular joint area was the main reason which caused this failure. This paper proposed the solution to recover the collapsed...

The network congestion problem and differentiated business are important factors to impact the performance of network. This paper studies the RWA of differentiated business based on the wavelength layered graph model in the IONs and puts forward some designs. Firstly, combined dynamic weight formula...

To fully take into account the effect of geometric nonlinearity on the deformation of extra-long-span cable-stayed bridges, a cable-stayed bridge with a main span of 780m was analyzed on the basis of the girder initial erection profile and three calculation modes, i.e., linearity, partially geometric...

In order to analyze the error sources of circular gratings angle-measuring system, a series of coordinate systems were established on the gratings angle-measuring system through taking many mechanical errors into account, such as rotary errors of the axis system, installing eccentricity and tilt of circular...

There are generating many municipal solid wastes in the rapid development of urbanization. Municipal solid wastes treatment could generate lots of carbon emissions, which accounted for an important share in total carbon emissions. Therefore, it is crucial to compare emissions from different ways of municipal...

Series capacitor compensation can improve the operating parameters and transmission capacity of transmission line,it has been put into use in power system for many years.There is a common problem in Chinese distribution network that terminal voltage of the line is lower and instability which is caused...

With the continuous development of network technology and the addition of network size, speed and complexity, the importance of network management is also increasing. The network management is the process to control a complex computer network so that it has the highest efficiency and productivity. According...

Using the computational fluid dynamics, heat transfer theory and mechanics theory to analyze the internal heat source types and heat transfer path of high speed gear box, and establishing the steady-state heat transfer model. Based on the finite element theory, the finite element model of fluid solid...

In order to solve the problem that with the interference of on-site GIS to PD signals, the type diagnosis and fault location of insulation defect are affected. This paper proposed a new morphological filtering algorithm based on morphological filtering theory is proposed, which combines the basic operations...

To overcome the limitation of the existing models intersection queuing models in which vehicle arrivals are assumed to meet some specific traffic distribution, a new model which based on markov chain and traffic wave theory is proposed to estimate the travel time of vehicles. This model fits the signalized...

Vibration energy harvesting is a concept to convert the mechanical energy contained in vibrations into useable or storable electrical energy. This article focuses on the influence of nonlinearities upon the output of a piezomagnetoelectric vibration energy harvester (VEH) under broadband vibrations....

The nonlinear characteristic of Chinese speech signal are further studied, combined with radical basis function neural network, a nonlinear prediction model is designed. Firstly, delay time, embed dimension and maximum lyapunov exponent of Chinese speech phoneme are calculated by using C-C algorithm,...

The success of semi-organic rice farming is mainly determined by the behavior of organic rice and the entrepreneurial behavior of the farmers in managing their farming. With a strong entrepreneurial behavior, semi-organic rice farmers are expected to increase the production of semi-organic rice farming...

The paper considers the experience of private farming in the agro-industrial region, based on the theoretical insights of prominent Russian economists including A.V. Chayanova. Through output statistics, expert interviews as of 2018 and the results of the 2016 survey, it reveals the main positive phenomena...

The paper is devoted to the choice of the best construction technology for further introduction into the corresponding branch of industry in the Chechen Republic. The main purpose of the study is to give an overview of the main modern construction technologies. Key parameters for each innovation are...

Different systems of stratal flooding by mineral or fresh water into oil bearing formation are used today to enhance reservoir recovery. At low temperatures, 25 degrees below zero and lower, there is a great possibility of freezing of the well head equipment due to cyclic flooding or separate horizontal...

Landscape pattern change will lead to flows and changes of energy, material and nutrients between different land units, and cause sectional ecological processes and functional changes. As the political, economic, cultural and traffic center of Qinghai province, Huangshui River basin landscape structure...

A decoding iterative algorithm for second generation digital video broadcasting (DVB-S2) standard forward error correction (FEC) and variable coding and modulation (VCM) is proposed in this paper. This method makes full use of the link budget information provided by the VCM system. It predicts the number...

A lot of uncertain information is usually involved in the process of software system maintenance, and such information is difficult to perform quantitative analysis normally. In order to effectively solve the problem, this paper puts forward a measurement model of the software maintainability based on...

This paper analyzed the influence of water exchange on spatial distribution of Hg in Jiaozhou Bay China based on investigation data on Hg in surface waters in April, July and October 1988. Results showed that Hg contents in surface waters in April, July and October 1988 were 0.045-0.100 g L-1, 0.031-0.064...

Drinks combination of cherry leaves and dried stevia leaves can be used as a health drink contains antioxidants and low-calorie sugar. This study aims to get types of proper drying in the manufacture of beverages so that the antioxidant content is not damaged and lost. The analysis was conducted on the...

The elderly is susceptible to various diseases due to decreased immunity and physical changes, such as gastrointestinal (GI) disorders that cause and deficiency the nutrients. The elderly need to consume supplements as nutritional intake additional. This study aims to analyze the macro and micro nutrition...

The problem of this study is the unknown fatigue life (N) prediction of polymer materials, especially plastic specimens made from polypropylene (PP), low density polyethylene mixed with scrap (low density polyethylene/LDPE + 70% scrap), high impact polystyrene (HIPS), acrylonitrile butadiene styrene...

This study delves into the deformation perception of germanium through finite element force-electric coupling field simulation within the evolving domain of modern materials science and engineering. As germanium is pivotal in electronics and optoelectronics due to its distinct mechanical and electrical...

The diversion tunnel for the Riam Kiwa dam has a D-shaped design. Structural stability analysis is crucial for ensuring the safety of tunnel construction. The purpose of this study is to look into what happens to the Riam Kiwa Dam’s diversion tunnel when the shape of the tunnel changes, including how...

Most orthogonal frequency division multiplexing (OFDM) wireless communication system is poor in secure transmission. Based on user's physical layer security rate requirement, an OFDM system cooperative scheme over multi-relay cooperative communication networks to achieve optimal relay selection and power...

The study included for the innovative design of the image electronics course teaching experiment device, object oriented higher vocational college, school teachers and students. The results of the project to take a most intuitive and the most feasible way to replace the existing teaching equipment. It...

The paper deals with analysis and modelling of a new type of single-phase supplied AC/AC converter with two phase outputs. It consists of one-leg half-bridge matrix converter loaded by the resistive-inductive load in series connection. As harmonic analysis of the voltage of both phases gives very high...

Boron nitride intumescent fire retardant coating with borax and melamine as the main components was experimentally studied. The formulation of coating was designed by orthogonal experiment; fire resistance time was tested in the intumescent fire retardant coating testing furnace; the micro-structure...

In the current transportation, the ship is a very important means of transport. Although the water transport traffic has unparalleled advantages of other traffic, the ship accident is also happening. Therefore, ship collision avoidance has been the core of research in various fields. This article uses...

In this paper,we analyzethe problems of current congestion control algorithm based on TCP protocol and UDP protocol for transmitting multimedia stream, and proposed an improved multimedia stream congestion control algorithm DAIMD.DAIMD adoptTCP-like congestion control algorithm to transmit multimedia...

This article describes a relational database for the ultimate data storage management model, through the establishment of a multi-dimensional data storage management support module between the data management and relational database, users achieve multidimensional data objects and storage management...

The partially stabilized zirconia ceramic samples were fabricated using MgO stabilizer. The solid solution and migration process of stabilizers in zirconia grains under working temperature was studied by XRD, SEM and EDS. Results show that after 1710 °C×2 h sintering, MgO stabilizer in the sample didn’t...

The total organic carbon content (TOC) is an important parameter for source rocks evaluation in coal measures. Total organic carbon content determined from logging parameters using back propagation neural network technique, which provide a new method for hydrocarbon source rock evaluation. Use the Turpan...

With the improvement of person's health consciousness, exercise time corresponding increase, more and more people are favour of outdoor fitness facilities, new demands to outdoor fitness facilities come up. Though the investigating and analyzing user's feelings to current outdoor fitness facilities and...

In this article the importance of using superconducting technologies in power industry together with SMART GRID, based on the analysis of program documents and scientific works, has been done, which will allow the maximum extent to solve its problems. The physical principles of contactless suspension...

Seismic control of the horizontal and torsional response by cylindrical tuned liquid dampers is studied. The hydraulic pressure model of the cylindrical TLD including pulse pressure and convection pressure is established by membrane analogy method. The torsional model of the cylindrical TLD is obtained...

With the enhancement of public awareness of food safety, the rapid detection of edible oil and other oil is in great need today. Using the relative dielectric constant difference among various oils and considering the effect of temperature on oil property, an instrument for rapidly detecting and identifying...

At present, the broadcast of PM2.5 can’t be accurate to all the spot of the city. This paper discusses a new method to draw the distribution of PM2.5 of a city by using mass data provided by the monitoring stations, which can be accurate to all the spot. In order to solve the problem efficiently, we...

An aqueous solution containing deionized water, cobalt nitrate hexahydrate (Co(NO3)2•6H2O), ethylene glycol (EG) and urea (NH2CONH2) were reacted in an autoclave with hydrothermal reaction method at 180 oC for 20 h to generate precursors with 0.1%, 0.2%, 0.3%, 0.4% and 0.5% of La (NO3)3. Then the precursor...

The spontaneous internal short circuit is a very important way for the thermal runaway of lithium-ion battery. Identification of the internal short circuit accurately and in time during the working process is critical for the safety of lithium-ion battery. In this study, a modified algorithm for the...

Agroindustrial complexes are built in a technological and geographical binding to the sources of heat and electricity. In the absence of the possibility of connecting to the central distribution heat and power networks in the investment project, proposals are made for the construction of a source of...

Land cover detection change is significant for planning and managing an area. The condition of an area should be analyzed to observe human activities that influence environment and thus it is important to simulate land cover changes. Land cover can be effectively monitored by remote sensing technique...

A system dynamics model is established based on the analysis of main factors and their relationships in the railway passenger transportation system. The causal loop diagram, flow chart and the Structural equations were established, and relevant parameters are determined. The model is verified by comparison...

An anti-collision structure for bridge piers made by waste containers is proposed in this article, which including waste containers and filling. The top of container is cut and removed, a number of containers arranged with different styles on the main route of rolling stones and in front of the bridge...

Industrial waste gas contains a lot of harmful substances, and in the process of waste gas treatment, dust removal and desulfurization are two important links. Current netease blockage of dust removal equipment, dust removal efficiency is low, because use spray desulfurization in desulfurization device...

Electric Railway (KRL) is the backbone of public transportation in Jakarta. But KRL share capital is still 4.1%. Therefore this paper seeks to reveal what characteristics play a role for travellers to use KRL regularly or temporarily. The study was conducted in October 2017 at several Jakarta KRL stations....

Objective To analyze the nursing management of amiodarone hydrochloride injection in patients with tachyarrhythmias during intravenous injection. Methods Forty-six patients with tachyarrhythmia treated with amiodarone hydrochloride in our hospital from April 2014 to April 2015 were enrolled in this study....

Analytical model of interface deformation behavior during rolling process was established to investigate the principle of sausaging formation, and formula involving the geometric parameters and physical properties of silver layer was derived on the basis of energy approach. Moreover, the curvature difference...

This paper proposes a hierarchal approach to solving a spraying mission assignment and path planning problem by using multi-quadcopters in an upland area. A mathematical model of the mission assignment and path-planning problem has been established. An inner-and-outer loop structure is employed in the...

Glulam-concrete composite beams can be a solution for bridge construction with the principle of flexible beams, where the stress must be designed with the upper fibers to withstand the pressure and the lower fibers to withstand the tension. In this case the compressed area is held by the concrete slab,...

One of the most important factors of the sustainability of the system of social, economic and environmental parameters that determine the quality of life of the population and indicators of the effectiveness of regional management is ensuring energy security. Today, the introduction of a trend towards...

Recent technological advances offer significant promise for enhancing architectural practice through the Digital Twin paradigm, which constructs a continuously updated virtual counterpart of physical assets to facilitate persistent, data-driven oversight, synthesis, and refinement. Conceived within the...

BIM technology, leveraging its capabilities of 3D visualization and full lifecycle data coordination, has become a core tool for tackling complex engineering projects. However, existing BIM practices often face limitations such as disconnection between models and construction, inadequate support for...

Hydrogen is an example of renewable and environmentally friendly future energy. Hydrogen as a fuel for emission-free vehicles has attracted much attention recently. The level of hydrogen purity greatly determines its use and economic selling price. Increasing the hydrogen purity can be done in two ways:...

The main need for the community is a house with an area of land that can meet the needs of the family. Residential floor can be extended vertically upwards which is a concrete floor slab. This can be fulfilled with a series of lightweight bricks reinforced by plain reinforcement which is a one-way slab...

Promoting energy conservation for buildings towards a state of ultra-low energy consumption and near-zero energy consumption has evolved into a top priority in the process of achieving the goal of “carbon dioxide peaking and carbon neutrality” in the building field. Conceptually, the goal of near-zero...

Increasing security in the natural gas distribution pipeline system is one of the essential requirements in the energy industry. To fulfil this requirement, in this study an Internet of Things-based Wireless Sensor Network was designed to improve the security system of natural gas distribution pipelines....

As tourist industry has developed rapidly in recent years, the proportion of tourist hotels in Chinese tourist industry increases gradually. The number of high-star tourist hotels increases stably. International major brands expand by a large margin in Chinese tourist industry, which generates certain...

At present, many large-scale consumer goods or food suppliers would receive a lot of feedback data from consumers, which is vital to the improvement of corporate management. Nevertheless, these data fail to be fully utilized or labeled manually piece by piece due to employees' poor skills or officers'...

The new inertia weight based on periodic linear change, repeat the change process from 0.9226 to 0.6226 until it reaches the maximum generation. At the beginning, the position of the particle change fast, when the given value is reached, the particle's position change with a fuzzy formula. Using the...

The Mesozoic-Paleozoic marine strata in the South Yellow Sea Basin have been regarded as the new targets for hydrocarbon exploration. In order to carry out the oil and gas resource evaluation in the Mesozoic strata, the condition of the cap rocks and the combination of reservoirs and cap rocks should...

The effect of uncertainty and its evolution with time on the system reliability design are investigated in this paper. The system design variables are modeled in Geometric Brownian Motions which using the drift rate and diffusion rate to describe the evolution-based uncertainty of variables. Based on...

The research of visible light communications(VLC) has became a focus of wireless communications in recent years. In this paper, the channel coding technique for VLC systems were studied. According to the characteristics of VLC channel, RS codes were designed to correct the burst and random errors. The...

In this paper, we give a class of new endomorphisms with some properties based on the concept of morphic endomorphisms, called generalized morphic. We discuss the connection between the generalized morphic and the structure of groups. It is proved that the quasi -cyclic group is a generalized morphic...

This article introduces the error comparison of the improved wind power forecast system which changes the data input and re-models and the original one, which was done in Liaoning Zhong San Jia Wind Power Plant. Throughout one year's contrast analysis in 2003, it is found that the accuracy rate has increased...

With the rapid development of China's national economy, the increasing trend of global economic integration is becoming more and more obvious. The competition of various industries is becoming more and more intense. As the pillar industry in China's national economy, the development of electric power...

The shortcoming of polycarboxylate superplasticizer could delay the early strength of concrete, this limit its use in winter. In order to satisfy the application of polycarboxylate superplasticizer in the early strength constructional buildings. TEA was introduced into molecular chain of polycarboxylate...

For new section of aluminium alloy members there are still not enough researches on the mechanical properties and mechanism of action. The nonlinear finite element analysis (FEA) was carried out to study the mechanical properties of new section of aluminium alloy members under axial loading. In this...

The article briefly introduces the harm of the uranium and the existence form of uranium in aqueous solution. Reviewing the research advances in recent years of chemical treatment of wastewater with low concentration of uranium, the article analyzes the main principle and advantages and disadvantages...

In order to determine the ages of magmatism and mineralization, and thus to disentangle the complicated magmatic evolution and the relationship between magmatic process and copper-molybdenum mineralization, the authors carried out a study of LA-ICP-MS zircon U-Pb dating of monzonite granite porphyry,...

In order to study the influence of fly ash content and desert sand replacement ratio on the static elastic deformation of desert sand high strength concrete, experiments on 28d static compression modulus of desert sand high strength concrete with different fly ash content and desert sand replacement...