bluuebunny/crossref_metadata_2025_split huggingface dataset:
Examining Risk as Guideline in Design Stage for Green Retrofits Projects: A Review
Authors: Lee M S N , Masrom M A N , Mohamed S , Goh KC , Sarpin N , Manap N 
Published: January 2020

AbstractGreen buildings have generally been adopted as strategy towards sustainable development to reduce greenhouse gas. The implementation of green concept recently has widely spread over the year. However, the positive impact to the environment is still low due to heavily focus on new construction project as compare with retrofitting the existing building. A retrofit practice is not only regaining overall existing building appearance, but the improvement towards energy efficiency is remarkably significant at the expense of huge challenges and risk. As a consequence, retrofit practitioner is confronting an assortment of risks at the early stage of the project. Given that, green retrofit concept is emerging research area to Malaysia construction industry which motivates to determining the risk involve in design stage. This paper aims to review risk in design stage for green retrofit project for commercial buildings through gathering comprehensive literature review. As a result, two main category risks in design stage (technical/quality risk and financial management risk) is determined and extracted to identify risk. These risks are then quantified through analysis to enhance design performance within cost- benefit. The proposed conceptual framework model is expected to assist retrofit practitioner to identify risk and obtain feasible retrofit strategy.
Designer’s Confidence and Attitude towards Designing-for-Construction-Safety (DfCS) Implementation
Authors: Abas N H , Abd Rahman R , Mohammad H , Rahmat M H 
Published: January 2020

Abstract
The construction industry is known as a hazardous industry, which has been overwhelmed with accidents for a long time. One of the new strategies to reduce the number of accident in Malaysia is through emphasizing the safety responsibility on the parties involved during the design stage. This study investigated the confidence level of designing-for- construction-safety (DfCS) and the perceptions of the hindrance by focusing on the role of designers and its implementation among construction designers. The quantitative approach had been used, in which questionnaire survey forms were distributed via email and self-administered to forty (40) construction designers (i.e. civil and construction engineer, quantity surveyor, architect) in Johor. The findings have revealed that the respondents are confident of their ability to design for construction safety, though they are relatively less willing to implement the concept. This study demonstrates that significant effort is required to promote the benefits of DfCS in improving the safety performance of the construction industry so that it is widely accepted and implemented by the construction stakeholders.
Development of Software for Computing of Aircraft’s Takeoff and Landing Characteristics Using Expert System Technology
Authors: Melnichuk A V , Nesterov V A , Sudakov V A 
Published: January 2020

Abstract
The principles of expert system are proposed in the development of software application for calculations of rational takeoff and landing characteristics. The modular architecture is developed for the process of takeoff and landing parameters calculations in the system. A prototype of a client-server software application for electronic flight bag based on tablet computer was developed on the example of a specific type of Russian aircraft.

A post-publication change was made to this article on 21 February 2020 to correct an author name.
Design of Cylindrical Metal Panels with Mild Camber Based on Post-Buckling State when Compressed Taking into Account Initial Deflection
Authors: Mitrofanov O V 
Published: January 2020

Abstract
Applied design method for cylindrical metal panels with mild camber with possible post-buckling state when compressed is suggested. Method is based on analytical solution of geometrically non-linear task and is reduced to non-linear equation solution in panel thickness when reaching critical stress with post-buckling behaviour.
Engineering Software for a Mobile Robot Motion Control System
Authors: Ryadchikov Igor , Nikulchev Evgeny , Gusev Alexander , Sechenev Semyon , Prutskiy Alexey 
Published: January 2020

Abstract
The paper centres round the problem of the engineering a motion control system for a mobile robot based on the effective selection of software components with respect to the numerical criterion proposed by the authors. The data for the selection process comes out the reproducible experiments with the sets of alternative components in a Gazebo virtual infrastructure simulating the real robot operating conditions. The genetic algorithm is used to reduce the number of experiments with unpromising sets of software components. The methodology proposed by the authors is applied to the real task of engineering a motion control system for a non-anthropomorphic mobile robot. The virtual infrastructure and genetic algorithm parameters are provided as well as the physical model of the robot for that task. To calculate the integral quality criterion proposed in the paper, 4 partial quality criteria were measured in the experiments with different software components. The motion process of the physical robot with the selected software components is shown.
Development of microwave processed Ni + 20% SiC based composite clads on AISI-304 steel
Authors: Kaushal Sarbjeet , Gupta Dheeraj , Bhowmick Hiralal 
Published: January 2020

Abstract
In the present investigation microwave hybrid heating technique was used to develop the Ni + 20% SiC based composite clads on AISI-304 substrate. The pilot experiments were carried out inside a domestic microwave oven working at 900W and 2.45GHz. The composite clads were successfully formed within 360 s of microwave exposure time. The so developed microwave processed clads were characterized through relevant techniques like XRD, SEM, EDS and Vicker’s microhardness measurement. The XRD study reveals the presence of various carbides and silicides in the composite clad region. Microstructure study results reveal the presence of hard carbide particles in the soft Ni matrix phases. The average value of microhardness in the clad region was observed as 763 ± 24HV, which was approximately 3 times that of the substrate microhardness.
Thermal design and analysis of payload cabin of solar UAV in near space
Authors: Li X , Lu F , Peng F H , Fu W C , Meng F K , Man G L 
Published: January 2020

Abstract
Aiming at the temperature control demand of the near space solar unmanned aerial vehicle (UAV) payload cabin, this paper establishes the thermodynamic model of the payload cabin through thermal characteristic analysis, and proposes a system design method of structural thermal control integration. The thermal design of the payload cabin is carried out by means of thermal control such as uniform temperature, heat insulation, coating and active temperature control. The design weight of the whole payload cabin is only 7kg. The results of thermal analysis show that the temperature of the equipment in the cabin meets the requirement of the target during the whole UAV mission period, which verifies the correctness of the thermal design method. Compared with the traditional active temperature control scheme, the low temperature level increases by 3°C under the same heating power. The heat dissipation of the payload cabin is mainly convective heat transfer, but with the increase of altitude, the proportion of radiation heat dissipation is gradually increased. The research results can provide reference for the thermal design of similar aircraft.
A fast mesh deformation method for fluid–structure interaction problems
Authors: Jendoubi A. 
Published: January 2020

Abstract
Previous work by the author [1] has developed a very simple moving mesh method, called parabolic extension, allowing for very large deformation in static problems and to very large time steps for time-dependent problems. In this paper, we significantly accelerate the previous method by using a forward Euler scheme with a lumped mass matrix to solve the parabolic extension and we applied it for simulation in fluid-structure interaction. The use of a lumped mass matrix in the forward scheme leads to an explicit algorithm (no linear system to solve) which make the new technique presented here very fast and less computational cost. Numerical benchmarks including complex boundary with irregular deformation are carried out. The results demonstrate that the new method generates the deformed mesh very fast and with high quality even in large deformations, especially concerning the boundary meshes.
Modelling research on oxidation of CH4 & C7H16 from small to large scale of temperature at high pressures
Authors: Cui Xuejian 
Published: January 2020

Abstract
The change of CH4 oxidation cause by adding C7H16 from small to large scale of temperature at high pressures were precisely examined under laboratory condition with the temperatures span from 400K to 1200K and the pressures are regulated at 1atm and 10atm at a reaction container with the equivalence ratio of 0.5. The C7H16 proportion in the CH4/C7H16 mixed substances was varies from zero to one hundred percent. The molar ratios for CH4, C7H16, O2, CO, CO2, formaldehyde, ethene were investigated during several trial runs, and the mechanism is selected to establish the research results over the identical terms with the ideally stirred reaction simulation. It is revealed by the resultant that initial T for the oxidation of CH4 becomes smaller as the C7H16 proportion from the mixed substances increases, and a minor portion of C7H16 leads to a significant shift of the oxidation of CH4 from high to low temperature. The result also reflects that under the higher pressure, the CH4 oxidation is significantly promoted, and the oxidation of CH4 appears to have two reaction intervals which have different speed of reaction. According to the reaction pathway analysis at 100 atm, in lower temperature, the CH4 oxidation is enhanced by adding C7H16.
Applying data mining techniques with data of campus card system
Authors: Li Yufan , Zhang Huifu , Liu Shangli 
Published: January 2020

Abstract
In recent years, campus card system (CCS) has been widely used in universities. At the same time, the scale of the data stored in the database of the CCS is also increasing rapidly. Therefore, it would be better to adopt data mining techniques to reveal the status, causes and trends of students’ consumption data. In this research, the K-Means clustering algorithm is applied to the students’ consumption behavior. The Apriori algorithm is used to study the students’ consumption behavior and performance. The results not only improve the efficiency of student work but also help to build smart campus for our university.
A new method for detecting communities in network based on the affinity between nodes
Authors: Zeng Jin , Shao Chenxi , Wang Xingfu , Miao Fuyou 
Published: January 2020

Abstract
It has been found that many networks display community structure, analysis of the com-munity structure in the network is meaningful for understanding the real-world network. Recently, many community discovery methods have been proposed, most of which are based on the assumption that nodes in the network can only belong to a community at most. The proposed method in the paper is based on the affinity between nodes and it does not agree with the assumption, i.e., the method is able to discover overlapping community structures in networks. We apply the method to various real-world networks and artificial networks, the experimental results confirm that it has better performance on networks with overlapping community structures and non-overlapping community structures.
Mobility-assisted adaptive routing for intermittently connected FANETs
Authors: Li Xianfeng , Deng Fan , Yan Jiaojiao 
Published: January 2020

Abstract
Flying Ad Hoc Network (FANET), a self-configuring network consisting of Unmanned Aerial Vehicles (UAVs), can undertake different kinds of civilian and military tasks. As a particular instance of FANETs, intermittently connected FANETs (IC-FANETs) are characterized by a highly dynamic network topology and intermittent connectivity. Existing routing algorithms have been proposed for FANETs given that the underlying network is well connected, which are not suitable for such network environments. In this paper, we present a geographic routing algorithm called mobility-assisted adaptive routing (MAAR) targeting IC-FANETs. Different from conventional geographic routing protocols exploiting other location services to obtain the location information, MAAR combines routing strategy with location service in order to reduce the packet latency and routing overhead. MAAR updates the information of neighbour nodes dynamically according to nodal mobility and introduces a new metric called IDM to update the positions of other nodes in the network adaptively. In addition, we use a store-carry-and-forward paradigm to handle the technical issues of networks suffering from communication interruptions. When the forwarder node does not have any solution to find an appropriate relay node, mobility is exploited. Simulation results demonstrate that the MAAR scheme performs remarkably in terms of packet delivery ratio, throughput and routing overhead.
LEO IoT based big data management and analysis platform design for intermodal containers
Authors: Lyu Jieyin , Zhou Shouqin , Liu Hao , Zhao Xiangmo 
Published: January 2020

Abstract
In view of the global information management requirements of intermodal containers, combined with the development status, this paper proposes an IoT model based on LEO satellites, and a big data management and analysis platform based on the model. This paper designs and analyses the scheme of the platform, and proposes a middleware approach to solve the problem of multi-source heterogeneous data access of containers intelligent terminals. Then, this paper designs business processes such as user and device registration, middleware registration, historical data access, and timely data access for the platform. The big data analysis and management platform has been prototyped and verified; the platform has the advantages of compatibility, openness and convenience. This study has certain value.
REDT: Remote exploitation detection technology for network infrastructure
Authors: Yin Xiaokang , Liu Shengli , Jia Fangfang , Xiao Da 
Published: January 2020

Abstract
An attacker exploits a remote vulnerability to execute arbitrary code on network infrastructure. It seriously threatens the security of network infrastructure. To detect the exploitation attack in a timely and effective way, in this paper, we present REDT, a remote exploitation detection technology based on the effect of exploitation attack. This method determines whether there is an authentication bypass exploitation by detecting the remote authentication process and saves attack traffic to the anomalous traffic database. With the database, we can replay the attack and analyze the exploitation. In the experiment, the detection accuracy rate reached 97.67%. In addition, this method does not rely on the signatures of the vulnerability and shellcode, so it can detect undisclosed vulnerabilities exploitation and provide abnormal traffic for the study of unknown vulnerabilities.
Design of a relief materials delivery system based on UAV
Authors: Wenjian Zhu , Sidong Zhong , RongJie Chen , Jingchang Xie , Yeqian Li , Huiru Cao 
Published: January 2020

Abstract
The quality and efficiency of traditional rescue work are seriously affected by the destruction of roads and road traffic. In view of these existing problems, the current work investigates the delivery of relief materials using an unmanned aerial vehicle (UAV). At present, studies investigating the delivery of emergency relief materials are few, the technology is not mature, the disadvantage is bigger. In this paper, the UAV material delivery system can realize the function of automatic navigation and automatic delivery of materials. The experimental results show that, in a large number of delivery tests, 97% of deliveries contained a delivery error within 4 m, 64% of deliveries contained a delivery error within 2 m. The average delivery error was 1.86 m. The results of the experiment show that the accuracy of the UAV material delivery system is high, and the test results can provide reference for the further study of the robot.
Research on airline operational risk management and control method
Authors: Qiu Shidai , Yao Dengkai , Wang Zekun , Zhao Guhao 
Published: January 2020

Abstract
Starting from the reality of airlines, this paper studies the operational risk and control methods of airlines, establishes relevant risk index system, and formulates corresponding control methods. Based on the four aspects of human, aircraft, environment and management, the risk index system is established. The weight of the index and the score of each system are determined by using the analytic hierarchy process and the fuzzy comprehensive evaluation respectively, and the airline risk evaluation model is established. In the formulation of airline management and control methods, genetic algorithm is used to compare different flight task combinations, and the advantages of this method are obtained.
Research on flutter reliability of nonlinear binary-wing
Authors: Li Jing Kui , Qi Yi Rui , Cheng Yun Kai 
Published: January 2020

Abstract
In this paper, the aeroelastic analysis of the nonlinear binary wing model under unsteady aerodynamic conditions, the critical flutter speed was calculated by using the v-g method. Based on the critical flutter speed, the implicit limit state function of the nonlinear flutter reliability of the wing was obtained, and the response surface method was used for function fitting. The flutter reliability index was calculated by the checking point method, the design checking point and failure probability were obtained, and the flutter reliability sensitivity was analyzed. Finally, through the analysis of an example, it was proved that this method is feasible.
Investigation of flow characteristics of coronary slot stents using computational fluid dynamics
Authors: Wang Xuan Zhi , Masood Syed H. , Riza Syed H. , Modi Harsh 
Published: January 2020

Abstract
Coronary stents are metallic tubes inserted in coronary arteries to treat cardiovascular diseases. Palmaz-Schatz® Stent represents the original design from which many other slot-stent designs have been derived. In this paper, the impact of the geometry of the stent on its flow characteristics was investigated using the computational fluid dynamics (CFD) analysis. Seven design cases were selected for our research investigation, which were divided into three groups: (a) varying the slot length; (b) varying the slot width; and (c) varying the number of slots. Flow characteristics of stents with various geometries were studied by the CFD analysis using ANSYS CFX software. Results of the analysis revealed significant potential relationships between the geometry of the stent and its flow characteristics.
Simultaneous optimization of saturation equations for two hydrocarbons and four hydrofluoroolefins refrigerants
Authors: Koemleng Kan , Made Astina I , Darmanto Prihadi Setyo 
Published: January 2020

Abstract
This research exhibits a different simultaneous optimization for saturation equations of six pure refrigerants from Hydrocarbon (HCs) and Hydrofluoroolefins (HFOs). The study objective is to model two different group of saturation equations in accordance with the same structural forms, one for n-butane (R600) and isobutane (R600a), and other for 2,3,3,3-tetrafluoropropan (R1234yf), trans-1,3,3,3-tetrafuoropropene (R1234ze(E)), cis-1,3,3,3-tetrafuoropropene (R1234ze(Z)), and trans-1-chloro-3,3,3-trifluoropropene (R1233zd(E)) refrigerants. Genetic algorithm with weighted least square regression was assigned to carry out the research objectives. The modeling equations for both groups are valid from triple points up to temperature nearby the critical points. The uncertainties respecting to each equation of R600, R600a, R1234yf, R1234ze(E), R1234ze(Z), and R1233zd(E) refrigerants are estimated to be 0.05%, 0.75%, 0.10%, 0.35%, 0.57%, and 0.22% in saturated liquid density; 0.30%, 2.68%, 0.86%, 1.48%, 4.13%, and 1.23% in saturated vapor density; and 0.73%, 2.15%, 0.08%, 0.47%, 0.97%, and 2.85% in vapor-pressures, respectively. The new ancillary equations can be used to calculate the saturation properties for engineering interests.
Performance-based analysis for life safety from fire, Case study; large structural steel manufacturing building
Authors: Laungta Jutamas , Chaisermtawan Prateep , Patvichaichod Supat 
Published: January 2020

Abstract
This study simulate the evacuation from structural steel manufacturing building and verified with Thai’s regulation. According to the regulation, all occupants shall be in safe place within 5 minutes in case of fire incident. Two simulation scenarios were selected for this simulation. First, all exits can be used for evacuation; evacuation time is 4.23 minute after announcement. Second, fire caused by explosion of compressed air tank near Exit A, which completely block this exit A. Simulation result shown that evacuation time for this particular case is 7.06 minute, which is exceed maximum evacuation time defined in the regulation. Therefore, the following countermeasures are propose: Expand existing stair from 1.0 m to 1.5 m., Install an additional stair with the same width on the opposite side and modify firefighting procedure.
Identification of real pitch difference in bolt-nut connection to improve anti-loosening performance and fatigue strength
Authors: Nao-Aki Noda , Xi Liu , Shutaro Kubo , Yoshikazu Sano , Yasushi Takase 
Published: January 2020

Abstract
In a wide industrial field, the bolt-nut joint is unitized as an important machine element and widely used. To ensure the safety of the structure and reduce cost, low-cost bolt-nut connections with good anti-loosening performance and high fatigue strength are always required. In our previous papers, the effect of pitch difference between a bolt and nut was studied. Under a small pitch difference, anti-loosening performance is not enough. Under a large pitch difference, fatigue strength is not good. Therefore, in order to improve both anti-fatigue and anti-loose performance, the choice of suitable pitch difference is very important although the manufacturing errors always appear in bolt-nut connection. Until now, the result of experiment and analysis without manufacturing error but is not match. Since even small manufacturing errors may affect anti-fatigue and anti-loose performance, in this paper how identification of real pitch difference is discussed after the pitch difference nut is produced. Also, the accuracy of the identified pitch difference is confirmed. By using the confirmed error, the machining accuracy may be improved to ensure the nut has good performance.
Current issues in uncertainty of dimensional tolerance metrology and the future development in the domain of tolerancing
Authors: Meirbek Mussatayev , Meifa Huang , Zhemin Tang 
Published: January 2020

Abstract
Uncertainty is an integral part of measurement result. Moreover, any problem in the specification of tolerance or in the measurement phase of tolerance is related to uncertainty, but few methods and lack of experimental data are available to integrate this knowledge. In this work we present the current situation of uncertainty in GD & T, analyzing at the same time a future prospective and including some specific areas to be taken into consideration.