Advances in Engineering Research

Air quality is a critical factor in safeguarding public health and the environment, particularly in Batam Island, which is experiencing rapid growth in industry, population density, and transportation, leading to increased emissions of air pollutants such as Carbon Monoxide (CO) and particulate matter...

The existence of waste in a production line causes production equipment and production systems to be ineffective and inefficient. It’s the same with an SME that produces plastic straw products in a city in Indonesia. BNL50 machine that produces plactic straw, often experiences problems such as breakdowns...

This study offers a comprehensive overview of a range of mathematical methods designed to address uncertainties in engineering calculations and assesses their suitability. The focus is on fuzzy set theory, which has proven to be particularly effective and offers a robust solution package for modelling...

Indonesia faces two major challenges: the preservation of its food heritage—at risk of digital extinction with 5,350 traditional recipes—and growing public health issues such as diabetes, which increased from 6.9% to 10.9% between 2013 and 2018. Tools that support culturally relevant food tracking are...

The use of learning videos from the you-tube channel by students to increase learning understanding. Most of the learning videos available on YouTube have a length of more than five minutes. A lot of digital content has the potential to become a distraction or break the focus of learning such as notification...

This study aimed to determine the physicochemical properties and sensory perception of waffle instant premix added with mung bean flour. Mung bean flour was included as one of the ingredients, substituting wheat flour in varying proportions starting from 20 to 80%. The results showed that bulking density...

In community life, the availability of clean water has been decreasing with the decrease in water quality of community consumption. This is obtained from reality and surveys in several villages. Compared with the results of reports from the National Statistics Agency, the province is very volatile and...

The instability caused by global warming and the spatial complexity of land surface structures is increasingly affecting basin floods. The aggregated old Xin’anjiang model can no longer simulate precise land surface information, which in turn compromises flood simulation performance. This study selects...

As the use of 3D printing becomes more popular, the need to print in complex gravity environments or even low gravity environments is emerging. In order to meet these anti-gravity 3D printing needs, many individuals or organizations have proposed different solutions. This paper describes three mature...

Education serves as the cornerstone for life’s foundation due to its significant role in fostering change. It is considered a crucial process for achieving balance and perfection in individual and societal development. This balance ensures high-quality education. Effective dissemination of teaching materials...

The utilization of used tire rubber waste, particularly in the construction industry, becomes a critical issue in Indonesia due to its abundant presence and the challenges related to waste disposal. One solution to repurpose used tire rubber waste into a valuable resource, especially in the construction...

In the steep and steep single-sided rocky cliff area, the pipeline can be laid through by using the trenchless crossing method of raise boring, which will change the route selection ideas and principles of the domestic long-distance pipeline industry in the future. Only Saipan Company applied the raised...

Highway engineering projects face a complex financing risk environment due to their large construction scale, long financing cycle, and numerous influencing factors. This article takes PPP+EPC mode engineering projects as the research object, based on grounded theory and literature analysis method, a...

Information technology, as the fundamental technology driving innovation in internal production and management activities across various industries and fields, has emerged as an essential tool, particularly under the influence of China’s eco-friendly and green development concepts, to imbue these sectors...

An eco-friendly approach for the preparation of silver nanoparticles (AgNPs) from silver nitrate solution using aqueous Eriobotrya japonica seed extract was investigated. The reduction of silver ions in solution was monitored using UV-vis spectroscopy, and the surface plasmon resonance of AgNPs at 428...

2æm thick DLC multilayer films were deposited on W9 high-speed steel with deep cryogenic pre-treatment (DCT) for 30 hours in liquid nitrogen by unbalanced magnetron sputtering technique, which were compared with the DLC films without DCT. The results show that compound systems with DCT exhibit higher...

Microstructure evolution of dynamic recrystallization of AZ31 magnesium alloy during isothermal heating process was simulated by cellular automaton method (CA method). When heat holding time is constant, the grain size of AZ31 magnesium alloy increases significantly with the increase of heating temperature....

In this paper, a method for determining the parameters of the RHT material model, which can hardly be determined by total experiments, based on the combination of experiment and numerical simulation is proposed. The determination process and verification are analyzed taking UHMWPE fiber reinforced concrete...

As a new kind of environmental protection building material, premixed wet mortar possesses a wide application prospect. The technical difficulty is to maintain the workability of premixed wet mortar as long as construction required setting time by choosing suitable raw materials and mix proportion. In...

The purpose of this study was to develop a multiplex touchdown PCR to identify three waterborne pathogens in water samples. Specific primers based on VP1332, inv and ipaH gene sequences were designed for V. parahaemolyticus, Y. enterocolitca and Shigella, respectively. By optimizing reaction conditions,...

Current situation of priority hazardous chemicals for environmental management in Sichuan province is investigated by reference to 84 priority hazardous chemicals for environmental management specified in the Measures for the Environmental Management Registration of Hazardous Chemicals Registration (Trial)...

In order to improve student achievement level and management ability of college , we focus on to achive the university student achievement warning system. In the practical application of College Students' performance analysis, we find that there was imbalanced data,and the proportion of the students...

As a support network of the smart grid, the reliability of electric power communication network has become the prerequisites of the smart grid to become intelligent and economic, and operate safely. This paper mainly studies the vulnerability of the electric power communication network, so as to provide...

When the nuclear accident of equipment system happens, the right decision can be taken to reduce the consequences and harm of the accident. Considering the fuzziness and multi-objective of the nuclear emergency decision of equipment system accident and aiming at the deficiency of the traditional AHP...

In order to discuss the application scope of measurement of compaction degree of aeolian sand roadbed formed by compaction with immersion plus cutting ring method, powdery clay particles with different content are blended into the aeolian sand from the Gurbantunggut desert for testing. The results show...

For the modulation recognition of the wireless communication signal, when extracting Eigenvalues, it is necessary to improve modulation recognition rate in order to achieve the optimized effect. In this article, combination eigenvalue module of the signal is extracted by applying bee colony algorithm...

The electricity universal service is an important public welfare policy. In this paper, the general economic analysis framework of electric universal service is constructed, the necessity of monopoly supply and government regulation is demonstrated, and the attribute of electricity universal service...

Hydrocyclone separation technology as a kind of effective oil water separation technology, has been applied in the oil industry. The paper proposes numerical simulation of computational fluid dynamics which combine Reynolds stress model and Euler multi-phase model together, and discusses the operating...

In this paper, the load distribution of combination bearing in wellbore trajectory control tool has been carried out the theoretical study, it is concluded the response of combination bearing in pure radial & axial load bearing. Based on this study, the working state of combination bearing has been simulated...

In order to enhance the properties of SnAgCu lead-free solders, the Al nanoparticles was selected as the additives. The effects of Al nanoparticles on wettability and mechanical properties of solder and solder joints were studied. The results showed that a small amount of Al can enhance the wettability...

The airship modeling is the basic of the airship control problem, a class of simplified nonlinear model of pitching channel is studied in this paper. On the base of all above mentioned, the speed control is separated from the attitude control, and the speed is controlled by a simple constant control...

Because the doubly-fed wind turbine contains a large number of power electronic equipment, as well as the randomness and uncontrollability of wind power generation, the wind farm inputs a large amount of harmonics while inputting active power to the grid, which brings many adverse effects to the power...

The article presents a comparative analysis of the dynamics of geochemical indicators of natural and industrially transformed mid-mountain and high-mountain landscapes of the Western Caucasus. The high stability of geochemical processes for high-altitude geobotanical zones of subalpine and alpine meadows...

Trusted evidence collection is an important content in the study of the cloud platform trustworthiness. Trusted evidence index system and collection model should not only meet the description of cloud platform trusted evidence, but also solve the problems of model expansion by the massive evidence instance...

In the rocket active segment mission, the spacecraft and rocket separation orbit after the initial orbit number is an important basis to determine the success of rocket launchers. At present, there are many data sources that can be used to determine the number of initial orbits. However, it is preferable...

Electric measurement is a very important factory enterprise work, it is also the key for the energy measurement and product cost accounting. The quality management of electric energy metering device is a very important work and is also the key to electric power enterprises and users to establish a trust...

In the Complex service environment, the surface of coiled tubing has different degrees of defects, which can easily lead to the stress concentration on the surface of coiled tubing and cause premature fatigue failure of the tubing. In order to estimate the fatigue life of coiled tubing more accurately,...

Higher order thinking skills (HOTs) are needed by the students of chemistry education, because they will become teachers who will be teach HOTs for students. This research is research and development. this study has the aim to examine the feasibility of developing concept map learning models with inquiry...

Hyperspectral unmixing is an important technique for hyperspectral image analysis. In this paper, we took Airborne Visible Infrared Imaging Spectrometer (AVIRIS) hyperspectral imagery as dataset to monitor oil spills. The information of oil spills was retrieved through image preprocessing, minimum noise...

As to diagnose the circuit-breaker defect , we used to take the exit operation method, lacking of effective method for detecting the circuit-breaker operating state. Through the study of the two loop closing current, we found the corresponding relationship between two current and mechanical failure.When...

The Gangjiang No.2 Bridge is studied as the research object. The three-dimensional finite element bridge model is established with ANSYS 15.0 about static and dynamic characteristics of the bridge. The main girder and the main tower stress have enough safety storage, which can meet the specification...

At the moment, artificial intelligence and increasingly sophisticated algorithms have influenced our lives and civilizations more than ever. The fields of artificial intelligence applications are diverse, potentially far-reaching, and because of recent improvements in computer hardware, some artificial...

The system uses STM32F103 as the main control chip and measures the instantaneous acceleration and angle of the shot by controlling the MPU-6050.Our motion data by hardware to collect a large number of professional players of the instep shot. Based on this data set to train the CNN model we build. We...

Bamboo is a potential energy crop for the future and an attractive option to replace wood due to its fast growth, high productivity, and essential fuel characteristics such as low ash content, alkali index, and high heating value. This study aimed to evaluate the effects of torrefaction on the physical...

Purpose: This study aims to systematically map and analyse global research trends in AI-powered mathematics education, focusing on the adoption, effectiveness, and challenges of AI-driven tools in enhancing the teaching and learning of mathematics across diverse educational contexts. ...

The need for bicycle transportation with strength and aesthetics as well as light weight is increasing, so it is necessary to innovate material technology to overcome these needs. The main components of a bicycle are the frame, wheels, handlebar, and pedals. In addition to the safety factor, what needs...

Presently, research focuses on the study of Corn Husk Fibers (CHF) and their composite, also on the fiber drawing process and some of the properties such as chemical, physical, and mechanical, moreover concentrating on biodegradable natural fibers. Corn husk is a Natural fiber that has gained much scope...

This study explores the mechanism and boundary conditions of employees using job crafting to cope with the impact of Artificial intelligence(AI) awareness based on the cognitive evaluation theory of stress and resource conservation theory. With 282 employees as the research subjects, the study found...

Chicken meat is one of the primary protein sources for the Indonesian market. However, due to the warm and humid climate, chicken meat is subject to microbial contamination, i.e., Escherichia coli dan Salmonella sp. The source of the contamination is the chicken gastrointestinal environment during rearing...

Since anomaly detection systems often need to handle large amounts of data, feature selection, which is an ef-fective method for reducing data complexity, is usually applied for anomaly detection. In this paper, an im-proved genetic algorithm based feature selection method is proposed to obtain optimal...

The flow refueling location model is adopted to describe the traffic network considering the shortest and the second shortest paths. Three objective functions of the electric vehicle charging sta-tion placement optimal model are defined to maximize the captured traffic flow, to minimize the in-vestment...

This study was conducted to select a type of macroporous resin most suitable for the separation and purification of tomato saponins. The content of esculeoside A which is the major part of total tomato saponins was detected by colorimetry, and extraction rate of esculeoside A was used as an indicator...

Gas well bottom-hole flowing pressure is an important parameter in gas reservoir geological research and evaluation, reserves calculation, evaluation of capacity calculation and dynamic analysis. So, get accurate bottom-hole flowing pressure has significant importance to the production. Through the production...

In this paper, the (G'/G)-expansion method is applied to find the exact solutions for Sine-Gordon equation, Sinh-Gordon equation and Liouville equaiton. The (G'/G)-expansion method is an effective method in investigating exact traveling wave solutions to nonlinear evolution equations (NLEEs) in the field...

Nanotechnology is the rapid developing. The nanotechnology in battery materials can enhance the storage capacity of a battery, reduce swelling and loss of the battery and improve use efficiency, which is of positive significance for the electrical equipment. Based on the analysis of current development...

The bearing capacity of concrete beam can be improved considerably by FRP reinforcement. The engineering cases show that using FRP materials reinforce a balcony cantilever, and it can improve the concrete structure bearing capacity, and can prolong the service life in a certain extent, and can reduce...

Aiming at the demerits of STL data, a visualization algorithm of STL model is presented. Valid data consisting the vertexes and normal vector of triangular facet were separated out from STL file. The sequential file was used to save the valid data, in order to avoid excessive use of memory. The algorithm...

This paper start to mine the four root causes of vandalism generating in landscape environment from four angles including the designers, constructor, users and environment; and then through analyzing and sorting, collate the specific form of vandalism grouped into five areas; at last, based on the five...

Increasingly, heat flux density on one chip reached to 1KW/cm2 with the development of integration technology. However, it is hardly to meet the demand of 417K for conventional cooling way. Chip cooling become the bottleneck of integration further. This paper put forward that integrated micro channel...

this paper mainly introduces the harm of road and bridge pavement and subgrade settlement,expounds the causes of uneven pavement and subgrade settlement on the settlement road and bridge,analyzes the structure design of settlement road and bridge and finally discusses the construction technology for...

A new mine transient electromagnetic method based on U-shape spiral source is proposed. Firstly, the method is introduced. The character of new system is based on a U-shape spiral source which is made up of a U-shape support and the spiral power wire. Furthermore, we analyze the potential advantages...

Computational Fluid Dynamics (CFD) is of great importance for R&D of Large 2-Stroke Marine Diesel Engine. The CFD software ANSYS FLUENT was adopted to calculate the scavenging process of a large 2-stroke marine diesel engine MAN B&W S60MC-C6 and the obtained pressure trace was compared with the shop...

The paper provides a brief summary of costs necessary to obtain nanosized magnesian powders when utilizing amorphous magnesite by-products. It also describes new methods accounting and allocation of common costs among products when processing and utilizing amorphous magnesite by-products in dynamic market...

With the rapid development of computer technology and internet, streaming media technology is widely used in video broadcast, video on demand, distance education and other fields. But the traditional C/S architecture service model is often in the case of massive users easily lead to bandwidth bottlenecks...

With the rising of Chinese labor costs, industrial robots as a new type of labor force, is quietly changing employment pattern of China's manufacturing industry. This article first introduced the current development of industrial robots at home and abroad, summed up the current situation of China's industrial...

This paper introduced the advantages about the application of high water material in the filling mining under the combination of its actual situation of coal mine. These advantages included the fluidity, expansibility, strength of backfilling, initial investment of high water material and so on. The...

A three-dimensional computational fluid dynamics model coupled with chemical kinetics mechanism was established and validated on an actual biogas fuelled engine. Arc and kernel tracking ignition model and coherent flame combustion model were implemented and applied to capture in-cylinder ignition and...

In order to compare the value of several features involving leaf retrieval, we design an approach to evaluate 37 features about leaf’s contour, content and texture. Random forest algorithm is employed to rank these features’ contribution to leaf categorization. To forming the optimum features combination,...

Presence of different openings along the extraction line (goaf edge) in a mechanised depillaring (MD) panel provides an easy path for the goaf to encroach the working area during caving. A number of continuous miner based MD operations are adopted in Indian coalfields in last thirteen years, where roof...

The influence of polycarboxylate superplasticizerson composition changes of silicate and aluminate cement phases is analyzed. The retarding effect of organic additives on silicate phases hydration and stabilizing effect of additives on calcium metastable hydroaluminates and ettringite isestablished

The relationship between the difference of the driver behavior and energy consumption in the same bus line was studied through analyzing the acceleration process of the driving cycles in order to solve the problem that the practical benefits in endurance mileage of the electric buses differed a lot....

Humans are constantly exposed to radiations, of which majority (87%) is from natural sources and a fraction (13%) is from man-made. Construction materials can contribute to natural background radiation in two ways, namely emission of gamma radiation, from primordial radionuclides like uranium, thorium...

The article briefly discusses the general mechanisms for the occurrence of lightning. Based on satellite data, the total number of lightning on the East Siberian Railway (ESR) in the summer is estimated.

In this paper, the icing mechanism and force of overhead transmission lines were studied. The inclined parabolic equation of overhead transmission lines was derived and on this basis, calculation methods of sag, long lines and stress had been discussed. The paper got the inclined parabolic form of the...

In order to improve the comprehensive performance of a heavy-duty natural gas engine, the paper developed a strategy to efficiently optimize operating parameters. An approximate mathematical model, which the input control variables were air-fuel ratio and ignition advance angle while the output response...

Energy and environmental problems have become the key factors restricting social development during the recent years. Therefore, in order to promote the process of social industrialization and build a saving-oriented society, it is imperative to increase the effort to develop energy-saving materials....

Soft robotic hand exoskeleton systems are taken into account to solve the problems happened in the hand rehabilitation, such as long-term training for stroke patients and heavy workload for physicians. These systems are one of the hot issues in recent robotic research because that they are not only applied...

The purpose of this research is to know the influence of service quality (tangible, reliability, respo nsiveness, assurance, and emphaty) partially or simultaneously to customer satisfaction level and to know more dominant influence from tangible, reliability, responsiveness, assurance, and empathy)...

A kind of desert sand steel-PVA fiber high performance concrete is researched. The high performance concrete is composed of water, cement, fly ash and sand. Desert sand instead of part of the river sand, the replacement rate of 30%; fly ash instead of part of the cement, the replacement rate of 15%....

This paper informs a second stage of an action research study intended to develop students’ listening skill through extensive listening strategy. Data were collected within listening achievement test, questionnaires, field notes and observation. The study comprised nine weekly-based interventions that...

The high demand of electrical energy nowadays occurs globally, including in Indonesia. One solution to overcome the problem of electricity consumption is to design solar power plants in Indonesia. The location of Parangtritis beach itself has a high potential radiation value when compared to other beaches...

Wave tranquility is a study that analyzes how a wave may propagate in specific locations. This study is intended to determine a location categorized as calm with a limit of wave height that occurs due to wave propagation around the location. Pangandaran Port is a place that was made to increase the potential...

New trends in environmental development are focused on decarbonisation and carbon footprint reduction, reflected in national strategies and roadmaps for achieving carbon neutrality in the long term. Under these conditions, for large joint-stock companies, there is a reorientation to the ESG principles,...

Flower Pollination Algorithm (FPA) is a nature-inspired optimization algorithm based on the pollination process of flowers. Originally FPA was created to solve continuous optimization problems. Here FPA was modified to solve discrete problems. In this paper, FPA was modified by adding Chaotic Maps function...

In order to study the influence of wind speed on the flame development process, pool fire flame shape and thermal radiation distribution after the occurrence of the full-surface pool fire accident of the port crude oil storage tank, the pyrosim software was used to establish the fire accident model of...

In order to overcome the limitations of finite element in solving the rod structure, it is proposed to apply the particle discrete element method to study the force characteristics of the rod structure. This paper firstly introduces the advantages of discrete element relative to finite element, then...

Compared to linear weirs, labyrinth weir can provide high flow capacity at lower heads achieved through the increase of the spillway length. However, apart from extending the length of the spillway, hydraulic efficiency can also be enhanced through geometric modifications. This experimental study aimed...

The construction of working shafts in shield tunneling projects is a challenging endeavor marked by deep excavation and intricate operations. It is further compounded by the frequent occurrence of water inrush accidents, particularly in regions where karst development is prevalent in the surrounding...

Numerical simulation method based on CFD simulation soft, Launched a T-slots dry gas seal structure optimization. In the case of only changing the Circumferential ratio of T-slot structure of initial improvements, further optimized on the basis of the initial improvements, conclusion that lug boss groove...

With the increasingly complex structure of power communication network and diversified business needs, the demand of performance optimization in power communication network is more and more urgent. Based on complex network theory, this paper proposes a topology optimization algorithm of node betweenness...

Nowadays modern management cannot do without mathematical and statistical tools. Managers need a variety of market information, but they must have inside information about the company that will make their decisions relevant. This paper describes the possibility of creating a regression model of transport...

The modal analysis is conducted to the base -tower. The effects of stiffness changes in different directions of the pile foundation on the natural frequency of the wind turbine is studied. After the analysis to the harmonic response of the base-tower, the response of the structure of the tower at different...

The sloping ground operation of hydraulic structures associated with the collision of landslide phenomena and shear deformations. The work presents the results of research of influence of variability of physical and mechanical soil properties on stress-strain state of an earth-filled dam. To increase...

This research is to develop agricultural greenhouse monitoring system based on Internet of Things. Software design includes the program design of the nodes of wireless sensor network and the program design of monitoring terminals. In the whole monitoring system, the wireless sensor network at perceptive...

This paper proposes a fuzzy neural network fire detection algorithm to improve the accuracy of fire detection. Taking the temperature, smoke concentration and CO concentration as the input of the system, the fuzzy neural network is used to analyze the multi input signals. Fuzzy neural network combines...

Sonoelectrochemical degradation (US-EC), a relatively new AOPs, is a technique that combined sonication (US) and electrolysis (EC) without the need for additional chemicals for the procedure. Microcystin-LR (MC-LR), as the most toxic and most widespread algal toxin, are threat to human health. Until...

Based on the “Qingyu No.1” and “Qingyu No.2 “the two Jerusalem artichoke varieties as experimental materials, the Jerusalem artichoke with different concentration of polyethylene glycol,PEG-6000 stress (0,10%,20%,10%) of drought stress on the content of the different parts of the sugar in the treatment...

To investigate the effects of intake temperature on the performance and operation range of HCCI engine fueled with n-butanol, the 2nd cylinder of a water-cooled, naturally aspirated diesel engine with 2-cylinder was modified to operate on HCCI combustion mode. The indicated mean effective pressure (IMEP),...

In this paper, the authors stated the concept and characters of smart campus, and put forward a smart campus construction program based on cloud computing, internet of things and other technic. The analysis and study shows that the new information technologies are playing more and more important roles...

The analysis of UEFI firmware storage system is rare in available papers about UEFI.We introduce the Logical and physical structure of UEFI firmware. Then we analyse the elements -- firmware volume, firmware file, firmware segment -- that composed the UEFI firmware and give related code define and pay...