Advances in Engineering Research

The combination of distributed power supply and power distribution network is the main way to improve the flexibility and reliability of power system, which has the characteristics of high efficiency, energy saving and environmental protection. The characteristics and model of the solar photovoltaic...

Austenitic stainless steel 304 and 316L were exposed to actual atmospheric environments of South China Sea for half one year, and the in??,uences of microstructures on atmospheric corrosion behavior of the two stainless steels were investigated. The results showed that the average corrosion rate of the...

The water-resistance of 3 common emulsion explosives with changing deepwater pressure and soaking time were studied through experiments. Major conclusions were drawn as follows: the detonation property of the three became slightly weakened with the increase of pressure and time and all of them presented...

With the rapid development of the network technology, the network information presents an explosive growth, which marks the arrival of the great era. Big data analysis is valued and applied by more and more people under the background of the great era. As for the problems existing in the dance teaching...

Empty and round trip problem has become an important bottleneck restricting logistics enterprises to reduce costs and efficiency. Build advanced logistics information system and comprehensive information service platform to achieve intelligent logistics, Development of information intensive green logistics...

Airport Terminal is a facility where passenger movement is in in-bound and out-bound process on air transport. The airport terminal is divided into 2 sections, namely Passenger Terminal and Cargo Terminal. This paper aims to explain and predict the satisfaction of passengers on service at Terminal 3...

Graphene nanoplatelets (GNPs), as new candidates for nano-sized additives, are potential to improve the mechanical and durability performance of concrete. On the other hand, GNPs will act as conductive fillers to lower the conductivity of concrete, which may induce corrosion problem due to high ions...

This paper discusses the design of water and wastewater systems in highly energy-effi’cient, environmentally friendly houses for 2013 Solar Decathlon China (SDC). Team XIAU’s work “Sunny Inside” is taken as an example to discuss the design and installation of cold and hot water systems, grey water and...

In Today's world, IT technologies are growing day by day so the need of computing and storage are growing with it. The increasing of cloud services demands requires more computing resources to fulfill the end user's requirements. So, energy consumption by cloud computing resources is also increasing...

P91-type steel is widely used for the high-temperature pipe work components in advanced power plants. It exhibits a considerable high-temperature creep strength, a high corrosion-cracking resistance, a low oxidation rate, and good weldability. According to the relevant standard, plane defects were usually...

According to the soft rock roadway geological, productive conditions and the actual project features in Zhengling Coal-mine, from the theory with practical point of view this study analysis the key damage factors of the soft rock roadway. A new kind of support scheme, O-arch combination support scheme,...

Laser cladding has been widely introduced into industries for improving or changing the behavior of material to against corrosion, wear and so on. In the process, the molten pool, which is related to powder mass and others, is formed to melt the introduced powder onto the substrate. Thus, the area and...

Changchun Jingyuetan National Scenic Spot is a sophisticated ecosystem, to explicit the functions and values of ecological products, ecological process, and to offer information for decision makers, a range of appropriate ecological assessment methods: opportunity cost approach, cost analysis, human...

With the fast development of urbanization, a large number of landmark buildings have been built, most of which are provided with glass curtain walls which can produce light pollution when they are projected with natural lights and lights from human resources. Nowadays, light pollution has become increasingly...

NaBiKat and Sinbilite are feed additives that stimulate erythropoiesis and saturation of erythrocytes with hemoglobin, as well as activate the metabolism of proteins, minerals, and carbohydrates. The combined use of additives did not reveal any pronounced increase in the effect of stimulating productivity....

Multimedia privacy is a significant issue in secret communication and copyright protection. There is always a trade-off between the quality of the information that can be extracted (watermark) and quality of the covered image/video. This study presents a novel technique for determining the ideal scaling...

According to the theory of detonation and stress wave, initial shock pressure in wall of air-decoupled charge was deduced in theoretical and blasting stress field of air-decoupled charge in rock was established. Influence of decoupled coefficient to blasting stress field was analyses combined with test...

Special fuel transportation scheduling is an important part of the space launch. Because of the lack of fuel transport train and limited production capacity of manufacturers having become the main limiting factors for special fuel transportation scheduling in space launch, it is very necessary to research...

Maintaining the resilience of transportation system is crucial for the overall sustainability of a city. As a complexed system, the city road system can be modeled as networks. Studies investigating the relationship network structures and functionality provide a novel perspective to investigate the robustness...

In monitoring application of continuous object that based on wireless sensor network, due to related parameters of continuous object in time and space are continuous, the data information that node acquired has strong correlation and continuity. On this basis,the idea that using bisecting K-means clustering...

The degradation of anthraquinone dye reactive brilliant blue (KN-R) by Fe(III)/H₂O₂ system was investigated in details. The results demonstrated that KN-R was degraded efficiently in the Fenton-like reaction system. 94.40 % removal of KN-R in solution (pH=3) was reached after 40 min when the initial...

The study analyses methods of energy recovery of solid waste. A conclusion is reached that the most effective method for small-scale units is incineration in a pyrolysis furnace. Instrument measurements were used for evaluation of pyrolysis furnace incineration efficiency for cylindrical briquettes of...

This paper proposes a microstrip wide-ring sensor for moisture content (MC) determination based on transmission power measurement. The microstrip wide-ring sensor with low insertion loss was designed to operate at frequency range from 1 GHz to 3 GHz. Calibration equations for measurement of MC at 2.50...

In this chapter, a load forecasting method considering demand side resources is put forward. This method focuses on the analysis of the influence of demand side resources on load forecasting. By estimating the potential of various types of demand side resources in a certain area .Taking into account...

Some components are not important when examining the structural integrity, but their destruction can lead to the continuous collapse of the overall structure. Such components are called key Elements. In this chapter, the determination of the key elements of a marine engineering floating .pier structure...

This paper addresses the characteristics of urban rail transit fires and proposes a predictive model combining evacuation simulation and random forests for rapid forecasting of evacuation targets. Firstly, the characteristics of urban rail transit fires and key factors affecting evacuation are analyzed....

In order to achieve the test of function and strategy of pure electric car vehicle control unit(VCU) better, this paper designs a hardware-in-the-loop (HIL) test system for VCU based on NI-PXI platform. Firstly, expounding the principle of HIL testing technology and introducing the HIL test system plan...

Taking the wind power generation's pollution-free, easy access and other characteristics into account, Wind power has made great progress in China's renewable energy industry. But because the wind is not controllable, wind power can not guarantee a stable power output, bringing uncertainty in the operation...

The matching points relation of stereo-picture is built by adjacent slices through setting up mark for matching points conforming to three rules: Minimum Distance rule, evenly--Distributed rule and the Similar Figure Topological rule through reconstructing surface of microstructure. Based on the traditional...

On the basis of paper reading and empirical investigations, this thesis searches the types of malodor substances, distribution, and causes. Furthermore, the studies of climate and terrain of the area are carried out, including the influence rules on malodor from the seasons and weather so that the influential...

HVDC control and protection system was introduced in this paper. The control generally use fixed-current control in rectifier and fixed arc angle control in inverter. The short circuit in transmission line is one of the most common faults in HVDC, so this paper choose HVDC bus differential protection...

In order to improve the conventional method of predicting building energy consumption using artificial neural networks (ANN), we proposed a novel neural network model to forecast building energy consumption. The model optimized the neural network based on genetic algorithm and Levenberg- Marquardt algorithm...

This paper introduced fingerprint recognition to protect USB Key’s pin number. Pin number is easily stolen and sometimes it’s too hard to keep in mind. To overcome these problems, a fingerprint key based USB Key pin number protection system has been proposed. Using biometric like fingerprint to protect...

The purpose of this paper is to research how to identify and restructure the binary data fragments which were stored on device efficiently and accurately. Take widely used AVI video file format for example, we proposed a method to identify fragments and carve them into files based on structural features,...

In order to balance the traffic supply to meet the citizens demand for public transportation, reduce the pressure of urban traffic, enhance the competitiveness of public travel and improve the intelligent transportation system service, this paper proposes a bus arrival time prediction algorithm based...

Dipping process combined with sol-gel method was successfully use to prepare Al/Al2O3 films on the Fe-Al alloys. Oxidation thermodynamics, XRD and SEM results showed the same conclusion that, the Al component dipped on the surface of Al2O3 film obtained by sol-gel method could obviously improve the the...

The fermented liquid derived from mangrove leaves contains secondary metabolites in the form of lactic acid, bacteriocins, phytochemical compounds, and has primary metabolites in the form of macro and micro nutrients, as well as potential endophytic bacteria. This study aims to determine the performance...

In this paper, an iris recognition algorithm of multiple features extraction and fusion was proposed, which was different from the classical iris recognition algorithm that focused on a single texture feature. Firstly, the collected iris images were preprocessed. Secondly, features of preprocessed images...

The emergence of miniature robot makes micro vision sensing system become a hot topic in the field of scientific research. The main task of miniature visual sensor system is image acquisition and wireless transmission, but image transmission occupied the main part of the energy consumption. In order...

Geographic Information System (GIS) applications now increasingly make use of geo-located multimedia data such as images and videos. Furthermore, the widespread use of smartphones (and increasingly tablets) and the rapid improvement of hardware has enabled the acquisition of high-definition user-generated...

By the use of basic geological data, properties, cash thin section, SEM, particle size, high mercury injection and other core analysis experiments are completed to make a detail study on the Chang 6 group characteristics of Zhiluo oil field in diagenesis perspective. The results reveals that sandstone’s...

The important tendency of the new style heat insulation materials is the research and development of the composites which have low thermal-conductivity in high temperature. The characteristics of the alumina-silicate fibre with K2Ti6O13 whiskers and SiO2.aerogel are discussed in this paper. Finally,...

In large swimming hall for international events, seat arrangement and partition could affect indoor thermal environment. In this paper, a 4480 seats swimming hall was selected as the typical study object. Then different seat arrangements of swimming hall during competition events were summarized. Simulation...

Based on the density functional theory (DFT), we predict electronic properties of the non-periodic structure and the periodic structure of carbon nanotubes (CNTs) and silicon nanotubes (SiNTs). In the simulation process, we studied how to increase the length of nanotubes or add H atoms to dangling bond...

Electron mobilities limited by surface roughness scattering (SRS) in GaN nanowire have been investigated theoretically. The mobility found to be sensitive to the nanowire radius and electron density. Results show that the larger radius nanowires exhibit considerably higher mobility than smaller radius....

To analyses the proportion of wind and solar in a hybrid wind and photovoltaic power systems in the online monitoring system for transmission line, several experiments are made in order to get the environment data. To build an optimization model, a marketing research is set out, and the relation between...

A new butterfly-shaped three-dimensional chaotic system with six terms is proposed, which includes four parameters to control its chaotic dynamics. Some dynamic behaviors, such as symmetry, equilibrium points, and Lyapunov exponent spectra, are theoretically and numerically discussed. The bifurcation...

The impact of economic fluctuations on corporate investment behavior was studies based on the data of of listed companies during 2009 -2015. The result indicated that the better the economic environment is, the larger the scale of capital expenditure would be, and the weaker the intensity of technological...

Samarium ion substituted magnesium of Ni0.5Zn0.5SmxFe2-xO4 spinel ferrite powders have been prepared by a sol-gel auto-combustion method. XRD results indicate that the production of a single cubic phase of ferrites. Some particles are agglomerated due to the presence of magnetic interactions among particles....

On basis of doing a systemic review and summarization to various construction project cost forecasting methods and their respective characteristics, this paper analyzes the applicability of GM(1,1) forecasting model used in project cost forecasting, and introduces the method briefly and comprehensively....

The traditional quartz processing industry is characterized by high energy consumption and low purity of product. To save energy and purify the product by a new type of furnace, it is necessary to find the best diameter range of raw material sent in. In order to study the influence of the diameter of...

A new nanoscale hybrid material, where a nitrogen chain N8 is encapsulated inside a boron nitride nanotube, is studied by density Functional theory (DFT). The structure, NBO charges, binding energy and electronic property are calculated at the B3LYP-D3/6-31G(d) level of theory. It is found that the N8...

During the 6-DOF (6 degrees of freedom) industrial robot processing continuous short segments, frequent start-stop motions would cause vibration of joint and low playback efficiency. For the purpose of improving machining precision and playback efficiency, a cubic S-curve ACC/DEC (acceleration and deceleration)...

This paper aims to study the resistance performance of a medium speed ship, the steady-state Reynolds-averaged Navier-Stokes (RANS) simulations are performed by utilizing a commercial CFD software package named Fluent. With the increasing of the ship's speed, the navigation attitude changes significantly...

A pot experiment was performed to study the effect of EDTA (0, 1.5, 5.0 mmol/kg) on the cadmium (Cd) accumulation ability of Solanum nigrum L. grown in different Cd-contaminated soils (0, 5, 10, 25, 50, 100 and 200 mg/kg). Meanwhile, soil Cd mobility was evaluated. Results showed that there were significant...

In order to improve the matching precision of the SURF image feature points, we study the relationship among the scale of the SURF feature points, the characteristics of strength and matching precision. Then, a feature point matching algorithm of SURF image feature is proposed, which is adaptive to the...

Slightly Alkaline-Surfactant-Polymer flooding in the development process of the second oil reservoir of Daqing Oilfield had strong injection and production capability and high production rate, but dynamic response and adjustment method of each well group in different effective stages had differences....

The flooding method is utilized to forward the acknowledge message to delete the redundant copies of message. As a result, lots of network resources will be consumed by this kind of operation. A novel message deletion mechanism is proposed in this paper. Taking into account the hop count of ACK message,...

This article analysis the variation laws of the shadow length on each parameter, and obtain the shadow length curve of a known straight rod. The shadow length is directly related to solar altitude angle and the length of rod. The factors that affect solar altitude angle directly are: solar declination,...

In this work, the spectrum of nitrogen triboplasma light emission and the influence factors of the light intensity had been investigated by a reciprocating friction experiment platform based on the quartz and polytetrafluoroethylene (PTFE) as the friction pair. The results show that the spectrum of nitrogen...

Anchorage location selection is one of important factors concerning the safety of vessel in the Yangtze river. On the basis of the characteristics of the inland ports and channels, this paper fully considers the safety of anchoring vessels, the surrounding facilities and the vessels sailing nearby, refines...

The pipe hanger is an important part of steam pipeline system in power plant. In order to study the influence of pipe hangers on creep damage of main-steam pipe containing defects. In the paper, the main-steam pipe with defects was taken as the research objects. The pipe analysis model with pipe hanger...

The position detection is the important link in the permanent magnet synchronous motor control. The accuracy of the detection is the key to the high performance control of the motor. Aiming at the problem of permanent magnet synchronous motor pole position difficult to detect, of permanent magnet synchronous...

Over recent years the quality of crop seeds in our country leaves much to be desired. To have seeds that meet the requirements of all-Union State Standard, it is necessary to reduce the level of grain injury in the process of grain crop production. When harvesting crop seeds, a rotary combine harvester...

Supersonic shock wave/turbulent boundary layer interactions were simulated by employing three popular engineering turbulence models, namely Spalart-Allmaras(SA), k- , shear stress transport(SST) over a 24ºcompression ramp at Mach 2.84 and a 11º×11º double-sharp fin plates at Mach 2.91. Comparisons of...

This paper analyzes the defaults of traffic model applying in campus road in China, such as lacking simulation of vehicles, pedestrians and bicycles under mixed traffic flow. An improved multi-value cellular automata model is proposed for revealing complex traffic phenomena for pedestrian-bicycles and...

Provision of raw water for community needs is a direct effort in improving community welfare as the main key of regional economic development. Embung Bolong is a place to supply raw water which is managed by PDAM Nunukan through IPA Nursery and IPA Pasir Putih to meet the needs of the community in Border...

With the development of UAV technology and low-altitude economy, path planning is an important link for UAVs to perform tasks in urban mission space. In urban environments, UAVs face many challenges, such as complex building layouts, large amounts of green belts and so on. RRT (rapidly exploring random...

The paper proposed a control method based on the electro-hydraulic servo loading system used on the bearing test rig for aircraft engine. Aiming at the nonlinear problem of the system, a control method is designed based on RBF neural network. This method uses the BRF algorithm of neural network on the...

A fully dispersive fifth order nonlinear wave propagation model for mild current, water level and depth was established theoretically considering energy and topography factors. It satisfied both the frequency dispersion and nonlinearity. By omitting the 5th order terms, the lower order model was in consistency...

With the rise of blogs, social networks, and the vigorous development of cloud computing and Internet technology, the data is increasing at an unprecedented speed and cumulative, the big data era has come. The basic concept of big data, key techniques and the use of there are a lot of doubt and controversy....

The exploitation of Lamadian oil field P layer has been in the ultra-high water stage, there is a serious inefficient circulation of injected water. Low cost asphalt particle profile control technology has been researched and carried out in this reservoir. While, there is still no guidance for size-selection...

World widely speaking, the power industry is an important area of carbon emission and carbon reduction. It is also one of the main carbon trading market. Carbon-constrained electricity market will profoundly alter the original model of electricity production and electricity trading. Consequently, the...

This article discusses the role of reactive oxygen species in plants,composition of antioxidant system,composition and role of antioxidant enzymes, and effect of heavy metals stress on the individual antioxidant enzymes activity.Under normal circumstances,in plants bodies, reactive oxygen species production...

Solar resources assessment is one of the basic works for planning and construction of PV station. Conventional method of solar resources assessment cannot meet the rules made by China’s power section to limit the output power fluctuation of PV connected to grid. This paper proposes a method to evaluate...

The sodium metavanadate samples are digested in hydrochloric acid, and the content of matrix element sodium is directly measured by inductively coupled plasma atomic emission spectrometry (ICP-OES). The optimum dilution ratio is disposable obtained by optimizing the weight of the sample and the volume...

This paper focuses on the optimal design for the immunity and accuracy of the Speed measurement and location in the maglev train. First, based on the analysis of the error model of the MEMS-IMU, an algorithm which based on Mallat wavelet transform and absolute state recognition for cumulative error correction...

In this experiment, the 7-year-old Ziziphus jujuba ‘Zhanshanmizao’ tree with the same tree potential was used as the test material, and different time (December 5 th, 2016 and January 16 th, 2017) was selected to be treated with their sheds and exposed to uncovered open fields for comparison. The contents...

Carbon quantum dots (CQDs) had been widely applied in the metal ions detection area due to their excellent optical properties and low toxicity. Herein, a series of CQDs with different sizes were prepared by a facile but effective hydrogen peroxide (H2O2) oxidative method using activated carbon as carbon...

This appliance falls in CCHP, generating electricity, heating and refrigerating by photo-electronic effect and photo-thermal effect of solar energy. This appliance consist of butterfly mirror, terminal emitting optical fiber, surface light emitting fiber, thermosyphon, water-cooling system, solar cooker,...

The rapid development of the subway contributes to public transportation, but at the same time the emergency evacuation of subway traffic puts forward higher requirements. At present, most of the studies on the emergency evacuation of the subway have neglected the differences in the mobility of different...

BIM as a use of the establishment of the model to achieve the construction project cost of high-precision calculation This article describes the basic connotation and development of BIM, and demonstrated the technology show in the power engineering cost control and dynamic strengths and future prospects.

According to the shortcoming of present helicopter wind tunnel test by manual operation , an automatic control technology based on network communication was developed for the helicopter winder tunnel experiment. It includes the test standard process and different pipelines between command communication...

At present, the solar ejection refrigeration system’s solar collecting system mainly adopts water as medium for solar energy absorption and then as the heat source of ejection system, which leads to a result that the system must be provided with components like water tank, and circulation pump, etc.,...

Human daily activity recognition is the foundation of automatic Ambient Assisted Living (AAL) system. In the paper, we propose a sensing model which can capture the discriminative spatio-temporal feature of human motion in an efficient way. The object space is separated into distinct discrete sampling...

The work studies the results of the heat exchange process simulation through the bond of various types, the measurement of heat transfer resistance of the enclosure structure of operated buildings in Moscow, Stary Oskol and Belgorod. In addition, it studies the measurement results of the heat transfer...

Au/HZSM-5 catalysts were prepared by negative deposition-precipitation method in this paper. XRD/Uv-vis/TEM/NH3-TPD/FT-IR technologies were used to analysis the characterization of prepared catalysts, and the evaluation of the catalysts was carried out by methane adsorption experiment. XRD and TEM showed...

According to the characteristics of deep diversion tunnel of Jinping II Hydropower Station located in the high field stress condition, for its surrounding rock, i.e. marble, the conventional triaxial test and pre-peak unloading test are carried out. Then study on its mechanical characteristics through...

There are time-varying parameters within the performance index function and dynamic model of home energy optimization (HEO) which contains thermostatically controlled appliances (TCAs) and electric vehicles (EVs). And TCAs and EVs may be off-line. Adaptive dynamic programming (ADP) can not be applied...

LRU policy showed the good performance and has been used widely in modern computer, however, the accesses mode of the application is not all preferences of LRU algorithm, there were some drawbacks. In the paper, by researching the existed policy about LRU, we propose an adaptive policy base on the LRU,...

In recent years, many country are vigorously developing natural gas mining technology, the supersonic expansion dehydration is a new natural gas dehydration methods, which has many advantage. Based on this background, this paper aimed to analyze the flow field in supersonic expansion dehydration of Laval...

R-80 is a regional passenger aircraft with twin-turboprop engine designed by PT Regio Aviasi Industry. In this era, R-80 existence in Indonesian aviation market is still not perceived, while the purpose of creating R-80 is to supply local demand. Meanwhile, most of airlines in Indonesia prefer using...

The pressure difference control is realized by the pressure drop when the room infiltration air passes through the room opening such as the door crack, and its effect is determined by the room air distribution and the geometric characteristics of the opening. In this paper, two kinds of air distribution...

Protection and control circuit is indispensable part of the precious, precision electronic equipment which use 24v power supply. This paper introduces a kind of protection and control circuit which is superior performance, simple, economical and practical of 24 v power supply control circuit.

The high contact resistance of the corrosion products is more likely to cause contact failure. Based on service condition and natural environment of transmission and transformation equipment, the deterioration mechanism of electrical wires was investigated from the view of corrosion. The surface morphology...

This paper, based on the damage effect of electromagnetic pulse (EMP) on satellites, firstly analyzes electromagnetic leakage elements of typical satellites, emphasizes the coupling process between EMP and satellites and its damage effect on satellites, and conducts preliminary simulation on antenna...

An iron-cobalt alloy ceramic coating grows on the surface of Q235 carton steel in situ by the micro-arc oxidation technology; and the phase composition, elementary composition, surface morphology, surface roughness and thickness of the ceramic coating are analyzed by X-ray diffractometer, energy disperse...

Cooperative Road Hazard Warning (C-RHW) is an event-driven and active road safety application and is performed through direct V2V/I2V communications. Whether or not a C-RHW application could work well is much dependent on the application-working pattern, the current spatial-temporal relation with the...

With the expansion of the electric power system data business requirements, study the security of electric power data network is more and more, the safety of the structure and function of the network itself got extensive attention. This paper studies the accord with the characteristics of Henan electric...

Interactive video system based on Android is a new mobile software application which enables the mobile phone users to make and browse interactive videos by themselves. This system can automatically display the corresponding things' additional information by users clicking them in the video and also...