Advances in Engineering Research

Energy in buildings in tropical regions such as Indonesia is dominated by air conditioning systems. With the high use of electrical energy from tourism accommodation, it will be difficult to develop because operational costs are high. Thus, the purpose of this research is to obtain energy savings from...

The research investigates misconceptions about combination electrical circuits among matriculation college students using the E2CUT test. A sample of 441 students was chosen, and the validity and reliability of the test were confirmed with a Cronbach’s Alpha coefficient of 0.94 and item reliability of...

This study investigates the impact toughness, tensile strength and morphology of the polyester matrix composite material reinforced with Musa acuminata stem fiber (MASF) and carboxyl terminated butadiene acrylonitryle (CTBN) filler. The fiber used was taken from the outer layer of the pseudo-stem banana...

This paper is prepared to find out alternative traffic management that can reduce congestion on the Road Network at Tanah Aji Intersection. This research method is carried out by collecting primary and secondary data. Primary data includes field surveys, road geometry, traffic flow volume, and traffic...

With the continuous development of computer technology and network technology, there has been massive data information, the world has moved from the era of data to the era of big data. The arrival of the era of big data to the computer information processing technology has brought a very big impact on...

Currently, the pharmacology teaching is popularized and becomes one of indicators and important compositions of all curricula initial in medical or nurse's college. But it is very difficult for student, particularly English is not his native language. This article design will take students as the primary...

According to the characteristics of electron beam welding (EBW) heat source and thermal effect, a mathemat-ic model of rotary Gaussion body heat source based on the dynamic welding focus was developed, and the finite element model (FEM) is established. A numerical simulation experiments of the vacuum...

To fit for the development of the personal needs for light-emitting diode (LED) lighting, a wireless LED dimming controller based on WiFi module is presented in this paper. Low-cost 8-bit STC MCU is applied as the main controller,WiFi is used as the wireless communication module, which receives the control...

It is derived an approximate analytical solution of one-dimensional Richards' equation (RE) with Brooks-Corey model in this paper. The approach is based on the introduction of Boltzmann transformation and construction of an intermediate variable for approximation. In the end, one illustration is given...

we develop a intervention plan for Charleston County and Karamay. Then use the gray prediction model to predict the change of the six indicators in few decades, and then obtain the urban development level before the planned intervention. Assumptions necessary are set to analysis indicators change. By...

Due to the existence of runoff randomness, flood control operation of cascade reservoirs faces certain risk. In this paper, risk evaluation's index system for the objectives of cascade reservoirs is established. And based on the normal quantization of accidental error in flood prediction, a flood stochastic...

Abstract. Objective: To observe and explore the clinical curative effect of the three dimensional conformal radiotherapy combination with the induction chemotherapy to treat the middle-late nasopharyngeal carcinoma patients. Methods: We select from February 2012 to February 2014 the clinical data of...

Electric Resistance Hot-driven Riveting is a new alternative spot joining process developed for polymer multi-materials structures. In the technique, a cylindrical metallic rivet is used to join one or more thermoplastic components by means of forming rivet heads on both sides of connected joint through...

There are many factors can determine the module of gear. One of the most important is the strength of the gear noise and quality. Reduce the modulus, increase the tooth width can make the reduction of noise and can reduce the quality of the transmission conversely. This paper is based on the dynamic...

This paper designs a intelligent bathroom mixing valve controller by using the single chip. Our aim is to achieve the measurement and control of the outlet water temperature. In this design, we use DS18B20 sensors to measure temperature, which consists of two counter and two crystals. By controlling...

With the constant development of science and technology and social progress, open source software provides the establishment of cloud computing platform for a lot of convenience and provides certain challenges for scientific and reasonable selection of application software. To analyze cloud computing...

Water injection is a main method in the development of oil field in order to obtain high recovery efficiency, especially for the complex reservoir. This paper is concerned with water injection development of complicated stratum reservoir. It introduced the special condition of the water injection area,...

SHEPWM, a method to eliminate the selected low order harmonics by optimizing switching time sequence, has been concerned greatly because of its advantages such as high waveform quality, high efficiency, full utilization of DC side voltage and small size of DC side filter. In this paper, amathematic model...

CSAMT always use MT to calculate the Cagniard resistivity which is the ratio of electric field component and magnetic field component. CSAMT field source is known and the electric field component and the magnetic field component have a certain relationship with the underground resistivity. Therefore...

Indoor thermal conditions and structure features of the construction of rural dwellings in Northwest China were investigated and tested, the results show that the rural building duo to lack of scientific and systematic thermal design, the thermal properties of building envelope structure is poor, the...

The transient processes, associated with the management process of drawing glass rods, are observed. To solve this problem, mathematical models are used; the zones, in which the glass rod (light guide) is formed, the actuator, including a motor, a transmission mechanism. These models allow us to determine...

Wavelet analysis and detection of modulus maximum are usually used to extract fault wave head. But for the actual transmission line, the existence of noise will affect the accurate extraction of wave head, leading to failure of location. To avoid the serious distortion caused by directly removing high...

Fe thiolate complexes Fe(bpy)(pyS)2 (M) were synthesized, the properties of complexes were characterized by 1H-NMR and MS and the effects of reaction conditions on catalytic performance had been studied. The results indicated that when the pH value of catalysis system was 11.6, ethanol/water was used...

Missile equipment maintenance of the security work under high temperature and humid environment is a system engineering, everything is the decisive factor, it directly affect the quality of missile battle and training security. In order to ensure the quality of ammunition storage and safe use, it can...

Vehicle stability control system is also called electronic stability program (ESP) via real-time adjustment of the operating state of the vehicle, it can significantly improve the car and the steering stability in extreme conditions of handling performance. ESP as an automotive active safety technology...

In this paper, the application feasibility of HTS tapes on tokamak magnets is discussed and the existing four kinds of HTS high current conductors are summarized. Furthermore, an YBCO conductor structure suitable for a 10 GJ tokamak TF magnet is designed and the current carrying capacity is evaluated....

In the case of high dimension and small sample, the feature extraction method using Fisher linear discriminant analysis has a problem of pathological singularity. There are many solutions to this problem, in which LDA/GSVD algorithm overcomes the shortcomings of the existing methods, has a good recognition...

As a kind of storage equipment, SD card is used most widely in recent years, used in most portable devices, and the efficient file system also brought a lot of convenience for our work. Document management system based on SD card designed in this paper is to use the STC12C5A60S2 chip as the control core,...

Countries around the world have introduced various new policies to adapt to the development of big data. The Chinese government also attaches great importance to the big data industry. The main purpose of this paper is to explore specific methods and suggestions to improve the management mode of the...

The paper is devoted to review of existing aviation fluids, analysing their weaknesses and technology trends create aviation fluids, kerosene, lighter-oiling materials on the basis of modification of petroleum products.

The calcareous land is one of the alternative lands which are still underutilized in Gunungkidul Regency Special Region of Yogyakarta. This study aims to know and analyze the cost, income, profit, feasibility of the cassava farming, and the constraints towards developing cassava farming. The basic method...

The article presents the results of studies on the influence of additives increasing stabilizing properties of the arc in the chemistry of tungsten electrodes on the erosion of their tips under SAW. Erosion and crown formation cause weld defects. Severe welding conditions are due to high temperatures...

Instant drinks are already a major requirement to fulfill human consumption in the era of globalization. According to the national health department, more than 5% of Indonesians consume instant drinks from various types. This figure is an opportunity for us to conduct research that produces quality drinks...

The aims of this study to make the health database system use the GIS application by combining spatial data with object attributes related to the distribution of health facilities supporting BPJS Health services in Sukoharjo District. This study uses qualitative descriptive, which explains or describes...

The cracking of electrochromic materials due to aging or reiterative bending is a major problem, which noticeably degrades the performance of electrochromic devices. In this paper, a new polymer DFTPA-MA, which integrate the triphyelamine (TPA) and self-healing group, is reported in this paper. The colour...

The continuous wave pulse generator with rotary valve is an advanced and key equipment in high-rate measurement while drilling (MWD) and logging while drilling (LWD) telemetry systems. It generates an encoded mud pressure wave signal to transmit real-time information from down-hole to surface. For the...

Based on the actual production data from 3200m3(the effective furnace volume) blast furnace ;a model of blast furnace blast system was established with the software FLUENT. According to improve of blast furnace operation, the influence of the operation at the tuyere level to the distribution of blast...

Ecosystem services value for the source region of the middle Route Project of the South-to-North Water Transfer Project (SRMRP) was evaluated by using the market value, shade-price and opportunity-cost methods based on land use data in the year 2000. The results indicated that the total value of ecosystem...

In order to study the fiber material on the mechanical properties of recycled concrete, based on PPF-1, PPF-2 and RSF-1 containing three fiber replacement rates were 30% and 50% recycled concrete specimens were studied. The results show that recycled concrete specimens containing fiber and ordinary concrete...

The excessive amounts of carbon dioxide produced in particular by mobile sources is a relevant problem for densely populated urban areas. The study represents the estimation of CO2 masses released by the motor vehicles in one of the Russian Federation regions – Nazran city and Nazran district of Ingush...

The emergence of app-based ride-hailing platforms such as motorbike taxi (online ojek) services, has changed the commuters’ behaviour and mobility pattern in Jakarta. The highly-anticipated Jakarta Mass Rapid Transit (Jakarta MRT), which was launched and operated in early 2019, has gained popularity...

Stem borer is one of the main pests of lowland rice in South Sulawesi. Types of stem borer found include white stem borer (Scirpophaga innotata, yellow stem borer (S. incertulas), and striped stem borer (Chilo suppressalis) and red rice stem borer guava (Sesamia inferens (Walker). The four types of stem...

Cyclodextrin (CD) is a non-reducing oligosaccharides constituted by variable number of units of glucose. CD has a doughnut-shaped molecule with hydrophilic outer surface and hydrophobic inner cavity. Such structure features enables CD to form inclusion complexes with guest compound. CD is produced by...

The aim of this research is to create an Asset Rental Information System in the SD Palembang Transportation Polytechnic Environment. This information system was developed using the waterfall method. Overall there are four stages of research including (1) analysis of information system needs, (2) information...

The airside is a vital object of an airport because the airside area is a high-risk area that should be free from threats such as birds and wild animals. But the real situation is still found flocks of birds that are often on the air side, which is very dangerous if the bird enters the aircraft engine...

Nipa sap is one of the efficient feedstocks for ethanol production. Response surface methodology with the central composite design was used to design and optimize the sap preparation. The main factors were initial pH (4.5 - 6.5), warming temperature (30 - 60°C) and time (5 - 30 min). The effects of the...

A collaborative filtering algorithm based on double clustering and user trust to solve data sparse and cold start problem is present. This algorithm uses user-clustering matrix to measure the user's degree of similarity, which could reduce the dimension of the user-item matrix. On the other hand it uses...

A new cold working die steel was prepared by vacuum arc melting. Its structure characteristics and micro-hardness were measured and investigated. The results indicate that the ingot is mainly composed of dendrites. The grain size increases gradually from the edge to the center along the horizontal direction....

According to the characteristics of Sand-dust aerosol in northwest of China, the Sand-dust aerosol particle size distributions have been measured. A great deal of data have been collected in different weather conditions, which include background, floating dust, blowing sand, and sand storm. The rules...

The height measurement of exposed ball is one of the most important quality test items in the production of ball pens. The automatic detection method based on machine vision has huge superiority, compared with the traditional manual inspection method. In order to realize automatic measurement of exposed...

Power output control of wind farm is an important way of improving the wind farm performance and enhancing the ability of power grid to connect wind farm. In allusion to the power fluctuation caused by large-scale integration of wind power, this paper proposes a power smooth control strategy of battery...

In order to investigate the application technology using construction waste to product recycled aggregate concrete, the effect law of recycled aggregate content and brick content in the recycled aggregate on mechanical properties of recycled aggregate concrete, include compressive strength and flexural...

Hot isostatic pressing (HIP) with two different temperatures of 1100 C/160MPa/2h and 1175 C/160 MPa/2 h was performed on Hastelloy X samples produced by selective laser melting (SLM) was performed. The effect of hot isostatic pressing on defects, microstructures and mechanical properties of SLM fabricated...

Computer software is an important part of computer, whose running security has a direct impact on the computer. In addition, the maintenance and management technology of computer software plays a key role in software running. Therefore, in order to ensure the smooth running of computer software, in this...

A large number of cracks were found in the gear box of high speed train in practical applications. According to the line test, the weak position was got and the reason of cracks was researched. The influence of the different vibration source on the weak part was studied by means of vibration spectrum...

With the development of marine economy in China in recent years, The industrial zone of Dalian Changxing island has been upgraded to a national economic and technological development zone in 2010, not only take on a new mission and task, but also the tidal field characteristics study of Changxing island...

In this paper, the grey correlation analysis is used to analyze the influence of each industry added value on GDP of Sichuan province. The GDP, the first, second and third industry added value of Sichuan data in 2005-2012 is analyzed. The grey GM (1.1) model is used to establish a forecasting model for...

In order to meet the need of modern warfare, improve the accuracy and reliability of gun shooting, scholars have started research on the barrel bore parameter detection equipment. The centering device of detection equipment will directly affect the accuracy of it. A kind of adaptive diameter flexible...

As the technology matures and increased demand for wireless charging, the development of wireless power transfer technology is getting more and more concern. This paper analyzed the wireless power transfer system through mutual inductance equivalent model and obtained the mathematical relationship between...

After 40 years of water flooding development, Putaohua oil formation of Xingshugang oil field had already entered the stage of high water cut, and the comprehensive water cut has been more than 92%. Not only the distribution relationship of oil and gas becomes more complex, but also the fluid property...

In order to solve the operating environment of the dynamic evolution, this paper builds the internal reflection of the SaaS evolution model describing according to the needs and variability of the software dynamic evolution, the model is the formal definition by using communication process algebra (ACP)...

It is common to encounter the excavation unloading of rock mass in the actual practice of construction work for tunnels, underground powerhouse, dams and mining, etc. The damage and fracture of the internal structure as well as the change of seepage for rock due to the excavation and unloading of rock...

Icing of transmission line is one of the most serious threats to the safe operation of power system. Its occurrence had brought great losses to the national economy. Therefore, in order to improve the reactive power and anti-risk capability of the icing power grid, it is of great significance to study...

Randomness and volatility of the output of the renewable energy, renewable energy consumptive become the world difficult problem. The incremental load capacity of the grid due to the implementation of the "double alternative" strategy becomes another available load side resource in the grid dispatching,...

A new acoustic reconstructing method based on oblate spheroidal coordinates is proposed and deduced in this paper. The acoustic pressures of whole acoustic field are expressed by the product of the coefficients and the conventional interpolate polynomial. Once the coefficients are specified by the pressures...

The present study verifiesthe possibility of incorporating sewage sludgein the production ofceramic massfor ceramicroof tiles. Domestic sewage sludge and clay from ceramic industries of the northeastregion of Brazil were used. The raw materials were chemically and mineralogically characterized. Seven...

In permanent magnet motor, the rotor eddy current loss can make the rotor temperature rise, affect the efficiency of motor performance and even lead to permanent magnet demagnetization. In order to improve the efficiency of the motor and protect the magnet which is core part of the motor, some ways must...

This study aims to measure the reflectance of outdoor compressed concrete paving units. The samples are in common size of compressed concrete paving units which is 20cm * 20cm * 6cm. The first cause of gradually worsening environment is that most of artificial pavements and building shells in the cities...

The effects of thickness and impact energy on the impact damage and the medium leakage of CFRP laminates were studied in this paper. Impact tests for the CFRP laminates with the size of 600 mm×700 mm with five different thicknesses were subjected to the impact energy levels from 5 J to 65 J. The matrix...

The incremental launching method has been widely used to construct various kinds of bridges in regions where traffic, geology and topography conditions are limited. Thanks to its excellece on on-site prefabrication, fast assembly and intelligent control, the incremental launching systems are applied...

Methods of transmission including high-resolution electron microscopy were used to examine the kinetics of collective recrystallization in submicrocrystalline titanium Grade-4 and VT1-0. The temperature dependence and values of the activation energy for collective recrystallization have been determined....

On the basis of discussing the connotation of slope ecological protection, this paper put forward the influence of highway construction on ecological environment and the thought in landscape improvement. 19 kinds of technological principles, technical features, scope of application and landscape effects...

In this paper,we studied a process for the rotationally molded truck fender . The part’s impact strength, the melt flow index and bubbles inside the part are all affected by the heating temperature and time, all of which are analyzed. Finally, the optimized process conditions were given. The result...

In connection with Ningbo Chenglang Bridge project's characteristics of complicated structure and mode, large horizontal scale, narrow construction yard, short construction period, etc., BIM technology is applied to direct construction of the project. Revit series software is applied to establish parametric...

The “plug and play” and effective deployment of distributed generation accessible is important in further smart grid, which related to the security and stability of power system operation. A multi-agent system (MAS) based micro-grid control framework was proposed in the paper. The “plug and play” model...

To solve the problem of drilling difficulty of hard strata in China’s Yumen Oilfield and so on, torsional impact drilling tools are widely used in the field. This paper mainly describes the reverse design process of 8½ torsional impact bit, to coordinate the torsional impact drilling. Through establishing...

During the past several years, the explosion risk analysis of each stage in oxygen CBM liquefaction process has been carried out by a large number of domestic scholars. In this work, firstly, safety evaluation of the coalbed methane liquefied process was summarized. Then, the experiment of the explosion...

Usinginformationand communicatingtechnologyestablish plantdisease andinsect pests long-distance monitoring system is an effective way for improve low technical culture quality of the farmers, since the expert unable to go to the farm to manage the agriculture disease and insect pests. This paper introduces...

Different processing methods of colored yarns were applied in the past few years for meeting the different demands of color mixing. However, insufficient understanding of the color difference caused by processing method leads to lack of basis for reasonable selection of processing method. In this study,...

Laccases are increasingly used in food industry and their sources are mainly plants, bacteria and fungi. A research review on the production methods and the characteristics, as well as the applications in food industry of laccases derived from bacteria and fungi is given in the article. It also looks...

In high-rise buildings, the column has a vital role in resisting gravity and earthquake load. The utilization of high-strength concrete and high-strength steel rebar in high-rise buildings can reduce column dimension at lower storeys. In this study, Nonlinear Finite Element was carried out to model the...

Waste management is currently a popular topic in the campus environment. Waste management in the campus environment is carried out in several methods one of them is the method of 3R (Reuse, Recycle, and Reduce). The purpose of waste management in the campus environment is to create a green campus program....

The quest for new eco-friendly energy resources dates back to three decades not because of the resources are being scarce but because of its capacity to mitigate the unfriendly environmental issues. The fossil fuel resources are formed over thousands of years of biochemical conversion, which is insufficient...

In our work, pomelo peel was used as raw material and carbonized by hydrothermal treatment and calcination in air, respectively, to obtain the corresponding pomelo peel biochar. The effects of two different treatment conditions on the adsorption and photocatalysis performance of the product were investigated....

With the rapid development of computer technology, computer networks are gradually emerging and penetrate into all areas of the national economy, regardless of the political and economic or financial and commercial, more and more inseparable from all sectors of computer networks. Once the computer network...

In this paper, the main work is to use one of the five general synthetic resin of low density polyethylene (LDPE) on the blending modification of polystyrene (PS) to overcome the faults such as brittle, environmental stress cracking resistance, low impact strength of PS and improve their mechanical properties,...

Ultra-thin asphalt pavement is a material commonly used in the preventive maintenance engineering. Despite rather mature technologies at present, the ultraviolet aging problem of bitumen material during usage is often overlooked. To study the changes in the properties of bitumen materials in the ultra-thin...

In order to do planning for explosive area, simplified explosion planning calculation model is built based on the relative certainty of chemical explosion. First, simplified explosion-structure mutual model is built to calculate the force situation. This model adopts the peak overpressure calculation...

According to the characteristics of the electronic cabinet fire, several cases of cable fire experiments with different ventilation rate in real scale electronic cabinet have been carried out. Temperatures of the cable flame and fume, as well as different location near the center of the conflagrant electronic...

With the progress of science and technology, computer technology has penetrated into all aspects of social life, has been popularized in the whole society. However, due to the characteristics and defects of the computer network, and other factors, the computer network information security issues have...

With the higher and higher requirement for the quality of casting and the continuous development of casting technology, sand mold riser, heat insulation riser and heat production riser produced by the traditional process produced cannot reach the requirements of feeding of casting due to a lot of shortcomings,...

A novel multi-channel wavelength demultiplexer (WDM) consisting of metal-insulator-metal waveguides and asymmetrically coupled nanodisk resonators is designed and simulated. The results show the WDM can export any single mode while undesirable modes are suppressed.

The Regional Government Policy of Surabaya City which prohibits industrial zones outside industrial estates in Surabaya urban areas encourages the growth of new industrial zones in the hinterland area of Surabaya city or Gerbangkertosusilo region, including Gresik Regency, Sidoarjo Regency and Mojokerto...

Natural zeolite contains impurities such as Na, K, Ca, Mg and Fe and has poor crystallinity. The presence of these impurities can reduce the activity of zeolites. To improve the character of natural zeolite, activation and modification are carried out first. In addition to removing impurities contained...

The study aimed to evaluate the effect of giving a different dosage of Bacillus coagulans to feed (feed probiotics) on nonspecific immunity of Litopenaeus vannamei (white shrimp). The parameters tested included water quality and shrimp immunity parameters, namely total hemocyte count (THC), differential...

Air conditioning is a device used to stabilize the temperature and humidity of the air in a room. Air conditioning uses volatile refrigerants and absorbs a lot of heat around it so that the surrounding temperature drops. The use of air conditioning requires a large amount of electrical power, resulting...

The increasing population growth of a country causes an increase in energy consumption, high energy consumption also has an impact on environmental conditions. Greenhouse gases (GHG) are problems that arise with the use of conventional energy. In 2030 Indonesia will reduce GHG by 29%. Efforts are being...

At present, the city water system has been utilized in numerous countries and continuously changed by the city’s appearance or development requirements. However, existing cities’ water infrastructures are established with low requirements and construction structure conditions, which cannot satisfy the...

Software tools, frameworks, and libraries are relatively crucial in software development tools. However, these tools cannot guarantee that a developer will produce good quality software applications. This study aims to investigate the efficiency and effectiveness of software tools, specifically frameworks,...

The thermoelastic materials and functional composites are used in some intelligent equipment in some special fields. The two-scale asymptotic expansion for partial differential equations of thermoelstic problem in periodic structure with boundary layer is constructed, and the two-scale asymptotic error...