Advances in Engineering Research

In order to promote the outlet temperature and heat collection efficiency of solar air collector, this study puts forward a folded baffle solar air collector, which can improve the heat collection efficiency of the collector by enhancing the air turbulence inside the flow passage and increasing the heat...

In order to obtain the effects on boiler operation when pulverize outlet temperature changes, testing on a 300MW power plant. The results illustrate that when pulverize outlet temperature rised form 70℃ to 94℃, temperature of gas center 0.4meter、0.5meter and 0.6meter apart from A2 burner all rised, temperature...

Government regulations refer to teachers’ professional work in implementing studying evaluation, one of them is teachers’ ability in compiling evaluation instrument in class activity. Teachers must always be innovative with technology development appeared that time. One of teachers’ responsibilities...

The measurement of complex networks is based on graph theory. Firstly, the basic character of complex networks was analyzed. Then complex networks models such as ER model, small-world model, BA scale-free model were researched. Its construct rule, evolvement process and dynamics characteristic were also...

In order to limit the induced voltage, 220kV high voltage single core power cable needs reliable grounding in the actual operation. Metal sheath will produce induction overvoltage when lightning intrudes the cable conductor. Inductive overvoltages can have a variety of adverse effects on cable performance....

Current and voltage measurements play an important role in the power industry and provide necessary information for power systems to measure, control, and relay protection. At present in the national 110 KV, 110 KV, 330 KV, 750 KV power grid has been fully tested by optical current transformer, at the...

This paper presents a comprehensive sensitivity analysis on daylighting, visual comfort, and energy consumption of automated venetian blinds for open-plan offices. This research is using an integrated thermal and lighting simulation model in Grasshopper. The purpose is to identify which factors significantly...

Islamic financial literacy and entrepreneurial orientation are important factors needed by micro and small enterprises (MSEs) to run a business and achieve its performance. This study will examine the effect of Islamic financial literacy and entrepreneurial orientation on business performance. The research...

In this study, it is researched four problems in relation to the leakage of water pipe network within a campus water supply system and established mathematical models. Firstly, superior water meters without corresponding subordinate water meters were removed at first, and then the tiered relationship...

Coral reefs and benthic foraminifera are efficient pollution bioindicators for predicting heavy metal pollution due to their great tolerance to high ecological pressures, so that these biota are used as test animals in monitoring the accumulation rate of heavy metals of marine waters. The purpose of...

The electro-hydraulic semi-active suspension uses a hydraulic cylinder as the damping adjustment element. It has the advantages of high power density and high reliability, and is widely applied to SUV models. However, it has problems such as unknown road surface excitation and response lag, which will...

In buildings, vibration is a common concern that produces unacceptable displacement levels and can increase airborne noise levels, as well as affect people’s comfort and well-being. The study aims to investigate the impact of construction activities on human health in Accra, Ghana, in terms of vibration....

The results of spices in Indonesia are very abundant. Its use is also very much like for cooking, cosmetics, medicine, and so on. To maintain the quality and quality of spices are usually stored in dry form. For this reason, equipment is needed in the drying process. This study aims to investigate the...

Health and energy are two important elements of life that must be constantly monitored. In the present pre-endemic or post-pandemic age, it is critical to monitor individuals to ensure that crucial standard operating procedures, such as wearing face masks, are followed. Furthermore, any measures to reduce...

Operation and maintenance of a dam that does not follow established procedures will not only reduce the effectiveness of the dam in question. However, they can also endanger the safety of the dam. The fact that the risk of a dam is mostly caused by inadequate exploitation and maintenance. The Palasari...

Reinforced soil retaining walls have been widely adopted in China’s expressway and high-speed railway subgrade projects due to their superior performance, cost-effectiveness, and environmental benefits. To address insufficient anchorage length caused by spatial constraints during construction—a critical...

The Minnan-style architecture combines the traditional architectural style of Minnan with Western architectural elements, serving as an outstanding example of the integration of and Western architecture in modern Chinese architectural history, and is of great historical, cultural, and artistic value....

Fracture splitting processing, which has board prospects in the precision manufacturing of engine connecting rod, has been widely applied in production so far, and laser pre-processing a fracture splitting notch which is a notch as the fracture initiation source for the subsequent splitting process is...

The slope stability allowed reliable index is 4.2 in specification of rockfill dam for 200 m height, critical slope safety factor of stability is 1.3, but there is not a fitted safety standard for rockfill dam of more than 200 m height and critical slope of this project. Summarizes the failure probability,...

At present, highway traffic noise prediction models mostly use the equivalent continuous A-weighted sound pressure level to predict the noise within the country as well as in abroad, and they also usually use one line source to simulate the noise source in the simulation analysis of highway traffic noise,...

The world is rapidly urbanizing, it is more and more important to coordinate the balance between rapid urbanization and sustainable development. To make contribution to explore this project, we determine a metric model, named Three E Metric Model, to assess the degree of the urban smart growth. First,...

Vanadium oxide-Multi walled carbon nanotube (VOx-MWCNT) and vanadium oxide-Single walled carbon nanotube (VOx-SWCNT) were prepared by sol-gel process and systematically investigated. Results reveal that if MWCNTs are incorporated with VOx to form the VOx-MWCNT composite film, the VOx can strongly interact...

Application of finite element method, the mechanism of metal flow and weld line movement of U-shape parts with transverse welding line and U-shape parts with longitudinal welding line was investigated, respectively. Research results show that: for U-shape parts with transverse welding line, amount of...

Methods of calculation of thermal processes of the isolating materials are considered, in problems of nondestructive diagnostics of the main and distributive power stations. Theoretical justification of calculation of thermal processes of the multilayered isolating structure was given. On the basis of...

The design of good performance and long service life, crankshaft affects the engine performance and fuel economy. It can reduce the consumption of materials and manufacturing cost. Thermodynamic calculation of mixed gas cylinder is analysised based on P-V diagram drawing, It compared with theory and...

Vast photovoltaic powers connect into power distribution network Distribution Network. These PVs are large in quantity and scattered, make grid difficult in monitoring, which will bring challenge to the safety and stabilization of power grid. It is very necessary to get related monitoring data of PVs....

Two 240 t/h circulating fluidized bed (CFB) boilers are choosed as the research object, through test CFB boiler parts surface temperature, surface conditions and the parts surface area, according to the standard ASME boiler body heat loss. The results showed that special separator inlet section of CFB...

This work discusses performance analyses of a flywheel energy storage system rotor using ansys. Design of a rotor based on 3D modeling and simulation is presented, the flywheel theory is also studied. A basic static structure and modal analyzes were carried out to evaluate the performance of the model...

In this paper, a new method for predicting the value of wind power is proposed, which combine fuzzy information granulation and support vector machine.Firstly,extract the original data and make fuzzy information granulation of the original data.Secondly,do the regression prediction of the granulated...

The Erd”s-Szekeres problem was an open unsolved problem in computational geometry and related fields from 1935. Many results about it have been shown. The main concern of this paper is not only show how to prove this problem with automated deduction methods and tools but also contribute to the significance...

Flexible ball bearing is used as a component in wave generator of a harmonic drive gear system. During the revolution of the flexible bearing, the races of the bearing are subjected to elastic deformation by the shape of the elliptical cam. Thus, a reasonable mechanical model is established based on...

In northwest China, the widespread Laterite of Neogene Pliocene series (N2) is the direct aquifuge above Jurassic coal seam, which plays a vital role in the protection of shallow water resources. With the rapid growth of coal production in this area, the N2 Laterite was severely damaged by the extensive...

Full text search engines widely used today still have no math searching function, which brings inconvenience for people finding their scientific documents with mathematical query words. It is necessary to research and develop the theory and technology of mathematical expression retrieval. This paper...

Neuropathy includes central and peripheral neuropathy, the pathogenesis of the disease varied, involving macrovascular and microvascular disease, metabolic factors, autoimmune mechanisms and the lack of certain growth factors in the body, In recent years, the researchers found that the level of various...

A Parametric design method for weak area structure of circle composite fragile cover was proposed by analysis of mechanical properties of circle composite fragile cover and weak area structure, which was confirmed by rush experiments. Firstly, boundary conditions of the weak area structure were determined...

The seismic performance of 7-story reinforced concrete shear wall structure is studied, by the shaking table test of the reduced-scaled model. Two test conditions are considered, namely, fixed base and considering soil structure interaction. Under above two conditions, the acceleration time history response...

This article has built a system of China's advanced industrial measurement. By applying the datum from 2004 to 2013, we estimate the level of development and current status of China's advanced industrialization(AI), and evaluate the measurement results by establishing Hierarchical Linear Model (HLM)....

Laser shock peening (LSP) is a new technique to reinforce the surface of materials, and the fatigue strength, wear properties and residual stress corroding properties of metallic materials would be greatly improved by shock peening. The residual compressive stress distribution caused by LSP from the...

Based on the analysis of the existing Analog-to-Information Converter (AIC) under the framework of Compressed Sensing (CS), a novel model called the Parallel Multi-Filtered AIC (PMF-AIC) is proposed. In this model, the ideal integrators in the traditional AIC model are replaced by analog filters with...

The paper simulated the mechanical process of transportation of ultra-critical using glass reinforced plastic pipe (GRP pipe). The gas expansion model of micro-cavity in GRP pipe was established based on the experimental results. By analyzing the physical process of gas expansion on the micro-pore, the...

Opinions’ analysis on web news comments is a great significance for the construction of the government's democratic politics, public opinion monitoring and decision support, etc. In this paper we analyze user’s opinion from emotional word, emotional word qualifier, and emotional tendency. We proposed...

In this paper aims at using the two different methods (fixed range method and Levey-Jennings method) to study the internal quality control of qualitative ELISA detection anti-HBc and exploring the difference, applicability, effectiveness of the two methods. Method -- the author collects the internal...

Bengawan Solo River is one of the longest natural channels in Indonesia which functioned as irrigation, fresh water supply and flood control. This river covers up to 1.6x106 ha of area from the mountainous region in the Central of Java to the North Sea of Java with approximately 600 km of river reach...

Layered composite materials are an alternative to traditional materials for the manufacture of aviation components, details and structural elements. The delamination is a widespread destruction type of layered composite materials. The paper considered the characteristically destruction of defect growth...

Laser bonding welding test of the lap joint between steel and Al was conducted to discuss the influence of process parameters on the quality of steel-Al joint and to conduct the mechanical property analysis. The results showed that the positive weld joint of the specimen was uniformed under the conditions...

Methods used for the determination of potassium content in potassium hydrogen terephthalate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the potassium with...

With constant change of the type and performance of measured objects, some problems are gradually exposed among measuring equipment in terms of measuring efficiency and quality. In this paper, to obtain more accurate measurements, with data communication as the core, the author builds a computer-based...

This paper, taking Bailianhe reservoir basin on Hubei province as an example, firstly used the method of set pair analysis to calibrate the radar estimates rainfall combined with basin rain gauge. We obtained the optimal Z-I relationship of Bailianhe reservoir. Then, it presented a method of weight calibration...

The flight test data is of great value and is the primary basis for researching and developing civil aircraft. This article gives an exploration on the emergency and necessity of establishing the flight-test data management system, presents the construction principles and design conception of flight-test...

Decision making recommendation system in this research aims to determine the amount of the building materials that must be available to meet the needs of the construction of housing projects. Calculating the right amount of the building materials is very important in a project, because it determines...

Because Indonesia is countries between three major plates—the Indo-Australian plate in the south, the Pacific plate in the northeast, and the Eurasian plate in the north—high-intensity earthquakes are common in this region. Indonesia has a high seismicity level both on land and at sea as a result of...

Punching pile is a commonly used construction technology for pile foundation of river-crossing bridges, which has the advantages of small impact on the sur-rounding environment, strong adaptability of pile length and pile diameter, the pile end can enter the holding layer or be embedded in the rock layer,...

This paper proposes a variable bus lane control strategy suitable for small and medium-sized cities to address the issue of road resource waste caused by fixed bus lanes and improve the utilization of road resources. By real-time detection of bus and non-bus traffic flow, bus speed, and passenger flow,...

The issue of clean water availability occurs not only in arid regions but also in areas with abundant rainfall, such Palembang City, Indonesia. This research aims to evaluate the performance of a rainwater harvesting (RWH) system simulated on a rain roof area (house roof) with areas of 36 m2, 45 m2,...

This article reviews the way adaptive slicing improves quality. Efficiency and strength in 3D printing research at the current stage. This article also reviews the way of adaptive slicing to reduce support research, such as using adaptive slicing to adjust the layer thickness of each print layer. This...

Virtual synchronous generator (VSG) is one of the key technologies in the context of energy transition. VSG can simulate the operation mechanism of a synchronous generator, so that the new clean energy power generation device can actively support the power grid, thus promoting the energy transition and...

Hydrogen fuel is one of the most ecological. However, its storage and transport still pose a challenge to the modern industry. This paper presents the use of ammonia as a liquid hydrogen carrier. It has been proven that it is possible to obtain green hydrogen in the splitting process conducted in non-thermal...

To guarantee the security of composite insulators as tension strings applied to ultra-high voltage engineering, it is necessary to study the mechanical properties of composite insulator regarding break impact, especially researching on key factors influencing. Study the key factors influencing by numerical...

Radar signal sorting is a key part of radar countermeasure nowadays, a blind separation algorithm based on Time-Frequency (TF) analysis of short time Fourier transformation is proposed in this paper, and the problems of underdetermined radar signal sorting can be solved effectively. The proposed method...

English educational equity has long been the focus issue which has been widespread concerned in China. And the education injustice is mainly caused by the irrational allocation of English teacher resources. Based on a survey and interview, the author learns and analyzes the current allocation of English...

In this paper, we select the quadrotor as the airbone geophysical exploration platform. By comparing the cur-rent quadrotor control algorithm, the classical closed-loop PID theory is selected. And then the platform flight control system is divided into three control loops, that is, position control loop,...

The possibility of using the Russian complex SCADA-systems in the coal industry due to the urgency of imports substitution in Russian economy has been studied. The structure, properties and advantages of domestic SCADA-systems, which are more competitive in the market of information technologies compared...

Aiming at the demand of high precision real-time acquisition of load attitude in wave compensation system, a method based on MTi to detect load attitude is proposed in this paper. Based on the data acquisition card and C++ Visual language, the on-line acquisition and calculation of the Euler angle of...

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 a new way-the graphical method, analyzed it related to the trajectory function, and then studied the motion characteristics...

The performance of the sewage treatment as one of the important equipments in ships has a direct impact on the entire power installation and ship performance. The performance of the sewage treatment is a kind of Ship antipollution devices which can treat sewage such as bath water, hygienic-water and...

Stroke is one of the most important factors in the spectrum of the Chinese population. In the current physical therapy for rehabilitation aftermstroke,neuromuscular electrical stimulation therapy is more important. Stroke is a disease with high disability rate. Rehabilitation of stroke patients with...

(Aim) Currently, scholars tend to use computer vision approaches to implement multiple sclerosis (MS) identification. (Method) In this study, we proposed a novel MS slice identification system, based on Haar wavelet transform, principal component analysis, and logistic regression. (Result) Simulation...

With the advent of information technology era, more APP into people's daily lives. This article choose its design principles as the starting point of several different dimensions, from product UI, interactive, functional deployment, iterative, user experience, strategic planning and other aspects of...

This paper firstly introduces the recent research on data warehouse and describes the technology of data warehouse in process of design of database in detail. Data warehouse is a new technology in data management and information, and is mainly used to raise efficiency of data querying and to support...

In order to improve the accuracy and design efficiency of fixture, UG and ADMAS software has been introduced into the fixture design process, and the co-simulation function of software has been applied, and the fixture reasonable layout and the clamping force calculation and synchronous optimization...

This study utilizes and sinters the reservoir sediment to produce high-quality lightweight aggregates. Not only does the recycling of reservoir sediment into useful building material save resources, but it also increases the reservoir capacity, prolongs reservoir life, and is more conducive to environmental...

Since sensor nodes are usually deployed in a hostile environment, it is easy to be physically captured by an adversary. Thus, an adversary is capable of disturbing the entire network. To overcome it, we propose a trusted routing algorithm using subjective logic. In our solution, every node checks the...

In order to improve the control effect of alcohol and hydrogen power system and accomplish control target of dissociated methanol engine, a electronic control model based on the MAP grid interpolation method has been put forward, and the software of Simulink has been used to simulate and verify the model....

The efficient and high coal output of China's opencut coal mining has made remarkable contributions to China's modernization construction. However, it should be noted that slope instability of opencut coal mines often gives rise to a series of geological disasters. Disasters of the kind will not only...

The principle of QPSK modulation and demodulation is described and the detailed explanation and theoretical on DDC, carrier synchronization and bit synchronization principle is analyzed. A QPSK digital demodulation structure based on FPGA is proposed after detailed theoretical derivation for Costas loop...

For now, the engineering landslide caused by rainfall is increasing, but the current research mainly stays in two-dimensional space which neither tallies with the actual three-dimensional space, nor lacks the related research on the influence of the landslide-function anti-slide pile system under different...

The need for estate mass appraisal imposed by the information-based for the current property tax, estate mass appraisal model what is composed GIS and VIKOR method was proposed. Firstly, house price effect factors were quantified by using GIS spatial analysis methods, secondly, combined with quantitative...

Runoff calculation is an important part of regional runoff forecast and water resources evaluation model. The Soil Conservation Service (SCS) curve number (CN) model developed by the U.S. Department of Agriculture National Resources Conversion Service (NRCS) is the most popular and widely applied model...

The bridge expansion joints is to adapt to the structure deformation of the bridge, the across device between the bridge structure each couplet of the beam end and the beam end and the abutment back set free deformation. Its role is to ensure that the bridge span structure under temperature change, concrete...

This paper used 220kV porcelain-clad arrester defect at heavy contamination areas as a case, to research potential distribution by the means of high-pressure test and simulation. It has comprehensive analyzed the reasons that the defect of the arrester design is unreasonable. The paper reseached potential...

In Bord & Pillar (B&P) depillaring, there are redistributions of mining-induced stresses on acontinual basis, primarily with apronounced effect on the natural supports - ribs and stooks. A rib need to be stable on temporary time-frame such that (a) it should provide adequate safety to men and machines...

In this paper, a novel mixed matrix forward osmosis (FO) membrane was fabricated by introducing graphene oxide (GO) into the cellulose acetate (CA)-based casting solution using phase inversion methods. The factors---GO content and blending temperature were tested for their effects on pure water flux...

To determine the normal water level is an essential part of new design process, only normal water level adjustment is the new things gradually in recent years. Reservoir is an important part for the development of social economy system, may affect the situation as a whole, and then normal water level...

The paper analyzes the influence of user lateral grid-connected PV generation on relay protection of distribution network, and proposes the opinions for the economic technique and selectivity of protection. The paper applies DIgSILENT PowerFactory software to make simulation calculation and analysis...

In view of the low efficiency and unstable quality of the laying and quilting process of the multi-layer insulation of spacecraft, this paper designs an automatic laying and quilting integrated equipment, which adopts fixed base type. Laying and quilting share one platform and Y-direction drive. A buffer...

The role of irrigation is very important to increase agricultural production. Utilization of water through a good treatment system for water utilization is implemented effectively and efficiently. Sediment transport in irrigation can shorten the service life of irrigation networks, due to silting and...

Two areal spots (Vladikavkaz areal spot and Unal spot) where chemical pollution of soils associated with mining reaches an extremely dangerous level were identified on the territory of North Ossetia-Alania. The areas with varying degrees of environmental stress were identified within the RSO-Alania region...

The public transport and urban form of small and medium-sized cities have entered a rapid development and evolution stage. In order to make small and medium-sized cities to be healthy and sustainable development, this paper makes a quantitative analysis of the coordination of public transport system...

The traditional permanent magnet synchronous motor (PMSM) control system uses a mechanical sensor to detect the speed of the motor and the position of the rotor，the sensor is susceptible to the environment and reduces the reliability of the system.This paper uses a model reference adaptive system (MRAS)...

A single phase induction motor usually has two windings, the main and auxiliary windings. The winding design was more complicated than the poly-phase induction motor. Because of that, this study was aimed to show a new design that simply by using 4 windings in the stator. This study was focused to design...

Mathematical model of potato slices under process-based temperature and humidity integration control of tilted tray air impingement drying were investigated under different parameters. Results indicated that the Weibull distribution function simulated the drying curves of potato slices under PDTHIC drying...

In order to study the injectability of the advanced inhibiting coal seam and the effect of inhibitor injection, taking the 3 upper coal seam in Nantun mine as an example, on the basis of the fact that this coal seam can be injected, the experiment of pressurized water absorption for coal in 9 different...

In this study, natural staining procedures have been evaluated using hybrid dyes of mango and turmeric leaves. To get rich color shades with high strength and color fastness, coloring is done by involving a number of preparation stages which include washing using Turkish Red Oil (TRO), mordanting using...

A Cu(II) ion-imprinted polymer (Cu(II)-IIP) for the selective adsorption and separation of Cu(II) was prepared by modifying the surface of mesoporous silica SBA-15 through surface ion imprinting. The prepared polymer was characterized by Fourier transmission infrared spectra (FT-IR), X-ray diffraction...

In order for the robot to adapt to deformations in typed steel processing, an off-line compensation method for programming and control of robotic pathway is introduced. By installing a laser sensor on the end of robot manipulator, the geometric shapes and positions of work-piece are measured prior to...

The problem of an anti-plane crack in functionally graded magnetoelectroelastic materials is investigated. The material properties of the functionally graded magnetoelectro-elastic materials are assumed to be exponential function of y perpendicular to the crack. To make the analysis tractable, the crack...

Aiming at the subway operation safety assessment of empowerment as relatively one-sided, the game theory method is adopted to combine the improved AHP and the entropy weight method. On the basis of considering the factors of passenger flow, a system of evaluation index of metro operation safety is constructed.Taking...

Wireless network technology is one of the important symbols of the development of global information technology in twenty-first Century. Wireless access. wireless lan and other technologies have been flourishing in recent years. But the security problem has become increasingly prominent. Such as security...

This study aims to examine the experience of agritourism attractions and assess what dimensions are relevant to represent these variables. Literature studies show that limited attention to tourism experiences in the context of agritourism is not discussed in detail about the factors that can cause it....

The COVID-19 pandemic, which is not known for sure when it will end, has caused digital transformation to occur faster in the world of education. One of the forms of digital transformation is the implementation of learning activities that were previously carried out with direct interaction between teachers...