Advances in Engineering Research

The settlement and deformation caused by structural self-weight during the construction of pump station located on soft ground along the rivers is a key consideration in water transportation engineering. This study focuses on a newly built large-scale flood control and drainage pump station along the...

The Merak Crossing Port Service Unit Office is a technical implementer within the Ministry of Transportation in the Banten region which is under and directly responsible to the Minister of Transportation through the Director General of Land Transportation. This study aims to determine the suitability...

A numerical solution for solving plastic stress field based on the lower bound theorem is proposed in this paper. The method uses the node equilibrium equations rather than the element equilibrium equations. The equilibrium differential equations over the area of element around the node are transformed...

Sharing bicycles into the university campus provides a new and convenient way for teachers and students to travel. In order to explore the influencing factors of the willingness to use shared bicycles on campus, based on the Technology Acceptance Model (TAM), three factors of perceived characteristics...

In this paper, we study systematic Luby Transform (SLT) codes over broadcast channel with the white Gaussian noise. First, we adopt the incremental encoding and decoding method to transmit information. To reduce the multiple users' interference and improve the throughput performance of the system, we...

The structure of conventional distribution system is radial, and overcurrent relays are widely used as primary protection. When a large number of distributed generations (DGs) are introduced, the system becomes an active distribution network. It is necessary to study new protection schemes applicable...

At present, disadvantages regarding energy conservation and environmental protection of shipboard incinerator still exist. To tackle this problem, measures in terms of energy conservation such as waste-heat utilization and high-temperature dehydration, and of environmental protection such as thermostatic...

Through theoretical analysis and finite element analysis the effect of the blunt force on the surface deformation is applied to the surface deformation of the fixture and the type surface. It obtains the most suitable for the titanium alloy plate clamping way.

This paper studies the ventilation rate of a mechanically ventilated finishing pig house with manure gutters from January 23th to 26th, 2016. The barn is located at the suburbs of Huainan, a city at north of Jiangsu in eastern China. Two methods for the calculation of the ventilation rate in pig building...

Rock burst is one the world's worst coal mine disaster, rock burst accident-prone nature and severity of injuries to become one of the focus of attention, rock burst is an extremely complex dynamic phenomena, is home to cutting-edge research topics of major coal mine safety. Rock burst prevention is...

The new transmission mechanism crank-group driving mechanism is mainly used in some special light industrial machinery. Paper drew the mechanism's trajectory curve of the structure unit by the graphic method, analyzed it related to the trajectory function, and then studied the motion characteristics...

This paper introduces the suitable technologies for energy-saving renovation project of an existing campus building of Shenyang University, with its emphasis on energy saving works of building envelope (external wall, external window and roof), it also analyzes energy consumption reduction ratios and...

The firing error rule of the weapon equipment test was studied, and before and after test’s distribution density was confirmed on two conditions with prior information and without prior information. Based on this, the Bayes estimation and hypothesis inspection for the firing accuracy was given, and a...

when a man classifies an object, he makes a comprehensive judgment after a plurality of feature extraction and classification. Based on the phenomenon and in accordance with the theory of one-dimensional neural network, the concept and theory of multi-dimensional neural network is put forward , which...

In the case of user rating data is very large and sparse, the effect of traditional collaborative filtering algorithm in use recommendation is unsatisfactory. In this paper, a collaborative filtering algorithm based on user clustering and time stamp is proposed. Which first clusters the users according...

This article presents a comparison between two code methods of piezocone penetration test (CPTU) and laboratory test in identifying soil stratigraphy in Shanghai. In China, stratigraphy for soft deposit is mainly obtained through the traditional code method, in which plasticity index and grain size distribution...

The surface chemistry of anisotropic etching of p-type Si-wafer (400) is reviewed and the anisotropic chemical etching of silicon in alkaline solution using wetting agent were discussed. The main factors which affect the production of silicon dioxide layer on crystalline silicon as a result of wet alkali...

The paper deduced the electrical penetration potential equation of measuring point in point-source current field from the case study of conductive sphere, and proposed the question of the relationship between the response characteristics of electrical penetration curve and spatial location of anomalous...

The working principle of a self-centering, power-driven and external-clamping device is induced. The device is based on self-locking worm and worm wheel and slot-and-crank drive. Its mechanical properties and calculation formula is also given out. After the device being driven by gear motor, output torque...

Most multiphase flow models use viscosity as an important parameter, however, the viscosity of mixed fluid sometimes is unavailable or difficult to measure especially in small-scale flowing condition. In order to solve this problem, a two-phase wedge-sliding model is developed in this paper and this...

Standalone Beidou satellite navigation system cannot achieve the high positioning accuracy when the signal is obscured. An improved filtering algorithm based on Extended Kalman filter (EKF) is proposed after comparing the advantages and disadvantages of the filtering method. Navigation parameters from...

Recycled coarse aggregate (RCA) was obtained from waste samples of C30 in the laboratory through crushing, washing and screening and cube compressive strength test was conducted on RCA concrete under different conditions. The results show that the compressive strength of recycled aggregate concrete (RAC)...

The excitation selection sort method of manufacturing feature was proposed based on the characteristics oriented to manufacturing feature of STEP-NC to realize the process route planning of STEP-NC. First, match the recognizing manufacturing feature, the manufacturing feature with multi machining operation...

Solar energy, a clean energy with a high utilization value, is an important pillar of the future energy structure. The photovoltaic industry, as the core of the solar energy industry, has attracted the attention of governments and enterprises in various countries. The application of solar photovoltaic...

The use of land in Aek Kanopan city was initially divided into three functions: residential area, offices and commercial activities. Urban growth occurs at a rapid rate, which reduces the ability of city planners and managers to control the developments that occurred as a result of the growth. Since...

Supercritical Carbon dioxide fluid provides the advantage of high diffusion capacity during natural product extraction, maintains thermal instability and maintains the biological activity of the extract. The cell extraction process used to remove cellular components from pig skin must remove fat and...

Indonesia is a strategic archipelagic country. It makes Indonesia as a transit point for asylum seekers and refugees to pursue their destination to Australia. Some of these asylum seekers do not apply for refugees’ status determination procedure through UNHCR (United Nations High Commissioner for Refugees)...

Uniform BaCO3 nanorods were successfully synthesized by a novel microemulsion-based interfacial diffusion method using a lipophilic organic carbonate (CH3CH2)2CO3 as the precipitating agent. For comparison, two other similar methods, namely interfacial diffusion method in the absence of microemulsion...

On the basis of the finite element method (FEM) a mathematical model of the modular structure of the turbomachine exemplified by the aircraft gas turbine engine, AL-31F, is developed. It is notable for describing the solution of interdependent problems of the theory of elasticity and thermal conductivity,...

Stirrups corrosion lead to degradation of ductility of concrete columns, the damage would transform from ductility to fragility, even to sudden destruction. In order to avoid concrete structure clasping because of the impact of earthquake and shocking, the mechanical property research of concrete columns...

We select the Ningdong Energy and Chemistry Industry Base (referred to as Ningdong Base) as research object and take the ecological environment as evaluating target. According to the subject and object factors, the SVM model of ecological environment vulnerability assessment is constructed by using principal...

In this paper, cushion process of the cylinder airbag in airdrop equipment landing system has been simulated. Based on the finite element theory, the finite element model of the airbag cushioning system is modeled by using the dynamic analysis software LS-DYNA in ANSYS, and the air bag cushion process...

Using the self-developed real triaxial rock burst experimental system and the established rockburst experiment method, the rockburst experiment of granite with different loading types was carried out. Ejection fragments were screened and carried out statistics, and the particle size distribution of the...

Based on the rock properties and performance parameters of given rock driller, the drilling speed predicted by the theoretical analysis, to establish the direct relationship between drilling speed and the former, the calculation results of drilling speed are given. Accordingly, the manufacturer may be...

The paper focuses on the production process of clean steel combining with the production practice of Ansteel, and analyses the measures to improve the quality control of clean steel from two aspects: the selection of refractory materials and the tundish metallurgy. Practice has proved that the appropriate...

Wireless Sensor network (Wireless Sensor Networks WSNs) with low cost, low power consumption and ad-hoc network and a series of characteristics of the experts and scholars at home and abroad for its application in the power system to give a high degree of attention. WSNs in intelligent distribution network...

These skills are ways of thinking that help you make the decisions necessary to live in the 21st century. The purpose of this study was to analyze the effectiveness of critical thinking on rigid body equilibrium during this pandemic, student learning outcomes, student responses, student activities, and...

The Covid-19 pandemic has created a multidimensional crisis in our lives, starting from economic issues, education, and social relations with other people. These various problems also impact the psychological issues we experience due to the coronavirus, resulting in the emergence of the public’s perceptions...

Improving the efficiency of balance control in the gas transmission system is an urgent task. Applying intelligent techniques such as artificial neural networks or adaptive hybrid neural fuzzy systems (ANFIS), combining the advantages of neural networks and fuzzy logic, could be such a solution. The...

In recent years, station design has gradually tended to develop in the direction of cultural stations. The design of many stations is no longer just satisfied with basic functions but has begun to incorporate local cultural characteristics. Suizhou South Station As a key passenger station on the Han-shi...

To improve the tobacco classification speed, it is necessary to shorten the data acquisition time and reduce the computational complexity of the hierarchy model. In this paper, we take the genetic algorithm to screen the tobacco spectrum characteristics, and set up the support vector machine (SVM) classification...

Wind-thermal-bundled power transmission by UHVDC system is regarded as one feasible way of developing global clean energy in the future and its characteristic of stability should be paid attention to. Different wind-thermal installed capacity ratio is proposed with the wind from the change of power angle...

Aiming at the safety problem during the tunnel construction of the existing railway at the Hechuan Station, generalize the analysis model, using the method that combined the MIDAS/GTS with the numerical simulation procedure GDEM, the effect of the tunnel construction on the Hechuan station is research....

A method for determining seismic safe distances for blasting operations in mines, taking into account the value of dominant frequencies of the earth surface vibrations is proposed. The method is based on a regression analysis of the experimental data; the method is characterized by a familiar and simple...

In order to solve the fault feature redundancy problem in analog circuit fault diagnosis, a method of fault diagnosis is presented in this paper. This approach using the method of wavelet decomposition and fuzzy clustering on the fault signals to obtain test matrix; then inputted the test matrix into...

In order to study the influence of transmission matching on the power and economy of pure electric vehicle , The establishment of EQ5038XXYL pure electric van car model and simulate its power and mileage by using AVL cruise platform. On the basis of the original vehicle power transmission system, the...

In this paper, the charging current harmonics of EV are analyzed based on the harmonically coupled admittance matrix of three-phase rectification charger. The harmonic current calculation formula of single and multiple EV chargers in the grid is derived, and subsequent a probability method to assess...

IDSS can be generated through combining AI technology and DSS and applying Expert System. The generation and current status of IDSS are firstly expounded in this paper. Then it describes the three types and application scenarios of IDSS in detail, describes the characteristics of IDSS, gives the system...

The development of rural tourism industry not only brings an expanded revenue model in the Chinese tourism market, but also requires the improvement of rural infrastructure, the quality of tourism service, and establishment of local rural characteristics. Therefore, how could the governmental interventions...

The variations of ambient temperature can change the state of the supporting structure of the reflector for Five-hundred-meter Aperture Spherical Radio Telescope. The purpose of this research is to monitor the temperature and the varieties to find their relationship. Firstly, the temperature monitoring...

The aim of the present study is to clarify the energy saving potential for urban residential buildings. In this paper the impact of energy efficiency of Zhejiang urban residential buildings in china is discussed based on simulation analyses. The results show that the air change rate and the U-value (The...

Based on economic statistics, survey and the requirements analysis of tobacco industry, using information network and basic data platform and the establishment of special monitoring indicators, China Tobacco Zhejiang Industrial CO., LTD. implement a comprehensive analysis system about economic operation...

Fused Deposition Modeling (FDM) is one of the most widely used additive manufacturing processes for fabricating prototypes and functional parts in common engineering plastics. From the view of the control structure, 3D printer based on the FDM technology is divided into two layers: the host computer...

For iteration of quintic power sum of digits there are seven fixed points, two 2-circles, one 4-circle, one 6-circle, two 10-circles, one 12-circle, one 22-circle and one 28-circle. The probabilities for natural numbers falling into each fixed point or circle by several times iterating of quintic power...

The availability of the equipment system is calculated with the Monte Carlo simulation and GO method based on the principle and operation characteristics of the equipment system in this paper. The analysis results show that this method has high simulation accuracy and can more accurately and objectively...

As the important tool of network finance, YU’EBAO has highly financial product yield, liquidity and other advantages compared with bank. But accompanied by such financial products innovation, their earnings also gradually fell back. By Eviews 6.0 ,the paper studies YU’EBAO annual yields from May 30,...

The formation of secondary organic aerosol products from photo-oxidation of 1,3-butadiene and ozone was investigated in static smog chamber. The effects of ozone concentration and relative humidity on the particle formation were studied. Research suggests that with the increase of ozone concentration...

This paper presents a new reason of the mechanical damage principle of pulse bag type dust collector bag. Three dimensional main structure of dust collector is established. And finite element numerical simulation is given. Also according to the actual situation of customer feedback, the flow field distribution...

In Big Data era, it is difficult to build effecive intelligient analysis and decision support system as urban computing information resources are incomplete and the horizontal integration and contribution of information is seriously inadequate. Intelligient analysis and decision support system largely...

The leakage reasons for a boiler enclosure wall superheater were discussed based on experimental results of macro fracture observation, chemical composition analysis, metallurgical microstructure examination, SEM and EDS analysis. It was presumed that weld flaw firstly formed due to large weld process...

India offered a biggest source of natural fiber like banana, rice husk, coconut and jute fiber etc. All the natural fiber has its unique advantages as well as mechanical properties which are very useful in the development of potential composites for various applications like transportation, automotive...

Stress conditions of downhole packer are more complicated. Based on the packer structure and the environment the metal material exposes, this paper establishes proper numerical simulation model. And ANSYS software is utilized to carry out finite element analysis of built-up model to obtain stress distribution...

In order to study the influence of different loadsand cross section size on RC beam plastic hinge, a total of 13 reinforced concrete beamswith 5 section sizeswere tested under monotonic loading, and the calculation of pure bending plastic hinge parameters considering size effect isstudied based on experimental...

In the mobile field strength test including road testing and so on, because of the complexity of the city electromagnetic environment, the received field strength value is easy to be affected by Fading and therefore the result is not accurate. In this paper, A Preprocessing Method for field strength...

This paper mainly studied the influence of the amount of straw on the initial setting time and final setting time of the polymer cement, as well as the influence on the mechanical properties and thermal conductivity. Learning from the experiment, we could find that the porosity increased with the increase...

A multi-relaxation time lattice Boltzmann method (MRT-LBM) fluid flow analysis code is developed based on a two-dimensional D2Q9 lattice model and sub-grid eddy viscosity model of Smagorinsky. Benchmarking of the MRT-LBM is performed for a turbulent flow over staggered tube bundles at Reynolds number...

In the present work, natural convection in a square cavity filled with an electrically conducting fluid has been numerically investigated in the presence of an inclined magnetic field using lattice Boltzmann method. The vertical walls of this two-dimensional cavity are heated differentially while the...

In the absence of urea, urease is demonstrated to catalyze the hydrolysis and polycondensation of the SnCl2 aqueous system to form crystalline mesoporous SnO2 at room temperature. The resulting SnO2 has a high specific surface area of 231~248 m2 g-1 with uniform pore size at 3.3nm, and the porous structure...

The processing of scrap ammunition is an activity that reduces scrap ammunition dangerous properties and solves the problem of ammunition security retirement by the use of various technology methods and means. The foreign ammunition destruction situation and ammunition destruction at various stages are...

The article deals with methods of computer and mathematical modeling for estimating the impact of the Leninsky Prospekt highway on the phytocoenoses in the campus of RUDN. The computer model of the spread of pollutants from the Leninsky Prospekt highway has been constructed. Margalef, Menhinick and McIntosh...

According to the 60 GHz OFDM-UWB system of IEEE 802.15.3c standard, the characteristics of the preamble Golay complementary sequence are analyzed for better timing synchronization scheme that can resist multipath interference. The normalized autocorrelation method is used to detect the falling edge for...

New varieties of spring oats Otrada and Foma have been created in the Northern Trans-Ural Agricultural Research Institute. Midseason varieties are resistant to drowning and shedding, and mid resistant to spring-and-summer drought, have potential productivity of 7,0 - 8,0 t/ha. The top grain yield of...

The main purpose of the work is to confirm influence of operating conditions at low temperatures on change in braking characteristics of cars. The factors influencing the result of braking are determined, cars from the general set of all vehicles operated in Ulan-Ude are selected, taking into account...

The study reviews the developed model of deformations accumulation and depletion of the metal plasticity reserve at the cyclic fatigue life stage. Such model is based on the ideas relating to the index of stress state scheme and consistent in terms of physics. It is shown that the type and numerical...

Here, graphitic carbon nitride (g-C3N4) was integrated with polyurethane foam (PUF) as a novel metal-free visible-light-driven photocatalytic foam (g-C3N4/PUF) by a facile ultrasonic method. The fabricated samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy...

This study aims to describe the learning outcomes of multiple intelligences (visual-spatial and linguistic intelligence) of students who are raised with inquiry learning model that is guided on the reaction rate material at SMAN 1 Krian Sidoarjo. This type of research is pre-experimental with One group...

Pavement skid resistance condition should be taken into account with due care when evaluating the highway maintenance qualities, because it is related to the users' life and property. The research proposes skid resistance evaluation methods (safety focused) and the main evaluation parameters on the basis...

With the increasing scale of Internet of Things, the problem of congestion is brought about in the process of data access and control, and the important data cannot be updated in time. In view of the above problems, the paper proposes the model of device attribute priority based on analytic hierarchy...

Pavement performance of Foamed Asphalt Mixture in Mid-Surface of Expressway is studied in the paper. The production process of foamed asphalt mixture in the construction site mixing station is briefly introduced. Experimental study on water stability of asphalt mixture by immersion Marshall test and...

It is analyzed the wetting front position and derived an approximate analytical solution of Richards' equation (RE) with van Genuchten model, which is usually used to determine the soil and water characteristic curve in porous medium. Based on Boltzmann transformation, a special variable is constructed...

The global demand for green technology and energy efficiency is driving the development of a new intelligent agriculture with low-power consumption based on the Internet of things. This kind of Internet is constantly being used in intelligent agriculture. The new wireless network can work for a longer...

The multi-objective optimization design for complicated reinforced cylinder structures was discussed by combining the ISIGHT multidisciplinary optimization design framework. Firstly, the mathematical model of acoustic radiation optimization of cylinder structures was established for sound and vibration...

There is a phenomenon of large sign letters presence in almost all cities in Indonesia at present to mark names of places that are already known by the public, including Malang City. This trend shows that there seems to be a contagion that infects one city to another without apparent reason. This mimetic...

Straw is agricultural waste that has enormous potential as an alternative energy source because of its abundant availability. However, straw has poor intrinsic properties as a fuel. Alkali metal content (especially K) is very high, causing problems in the combustion process at high temperatures. One...

Garbage is an item that we encounter every day and often causes problems. Based on statistical data from the 2020 National Waste Management Information System, in the City of Yogyakarta the highest percentage of waste by type is organic waste consisting of food waste with a percentage of 50.21%. One...

Fish cultivation in tarpaulin ponds or Biofloc Technology (BFT) has been widely practiced by the community. Net fish production at BFT is 45% higher than at others. Tarpaulin ponds with a diameter of 1-2 meters (m) can be filled with 1,000-3,000 catfish seeds. The problem is that when fish farming runs...

PT Pura Barutama Rotogravure Unit 3 has developed an innovative cigarette packaging image randomization machine to address frequent human errors in the image randomization process. The main goal of this project was to create a control panel for the machine. The research used literature review, interviews,...

In the current context of increasing global energy demands, buildings contribute to nearly 40% of these demands. To alleviate this issue, the concept of passive buildings has been proposed. Several passive strategies are used for designing a passive building: good insulation and openings, optimal orientation...

Hanil Jaya Steel company is engaged in reinforcing steel fins with various deformed and according to the Indonesian National Standard (SNI). The product produced by this company is Reinforced Iron or commonly known as Esser Concrete. One of the most important processes in the manufacturing stage of reinforcing...

Foam concrete is widely used in lightweight construction due to its low density and high insulation capacity. This study aims to investigate the impact of varying material compositions on the compressive strength of foam concrete, focusing on sand type and curing age. The objective is to optimize its...

Libraries are facilities available in education that can support the creation of quality education. In order to focus and concentrate when reading books or doing activities in the library, visitors certainly need an atmosphere that is quiet, comfortable, and less noisy. Based on State Minister of Environment...

This study develops a passive cooling system for photovoltaic (PV) panels using phase change material (PCM) to enhance power output and efficiency. The novelty of this work lies in applying paraffin wax (FRW 42) with a tropical-optimized melting point (42℃) directly encapsulated on the PV back surface,...

Accelerated loading test is a common method to study the performance of asphalt pavement, in the process of previous research, there is no conclusion yet on the design of the loading times plan before the test is carried out. For this study proposes a method for determining the expected number of loading...

With the advancement of time and the progress of science and technology, plastic has become a product increasingly used by various communities. The plastic industry has become one of the major industries present in various countries. Injection molding is one of the methods for processing plastic raw...

The thermal decomposition process of magnesite significantly affects the catalytic activity of MgO. The structure, stability and growth strategies of the (MgO)n (n = 1-13) clusters were investigated by density functional theory. From reaction energy it can be seen that the contributions of the small...

EGR system is electronically control system for exhaust gas recirculation. This article conducts a detailed research on the EGR control stagy by a systematical elaborate on development procedure, a profoundly discussion to the components and structural software design, an overall consideration to the...

When polishing the micro cavity of sapphire with abrasive flow, it is necessary to analyze the state of flow field of polishing liquid in the micro cavity to analyze the effect law of polishing abrasive on polishing. It will also influence fluid parameters and the motion trajectory of abrasive in the...

With the rapid development of national economy, our demand for power resources has also increased rapidly. The traditional power grid can not be achieved operational status of equipment for effective monitoring and control, we will not be able to ensure the quality and quality of electricity service....

Long-distance pipeline has always played a significant role and kept its basic position in the West-East Gas Transmission and West-East Oil Supply programs in China. If natural gas or petroleum is not supported by pipeline, its transmission will be inevitably more dangerous to some extent. The study...

Nowadays, with the improvement of buildings leakprofness and indoor decoration materials' widely use in sealing, household air quality has been the object of attention. So we combine the ZigBee wireless communication technology with sensor detection technology and a set of multipoint real-time monitoring...