Arrangement Of Equipment Research Articles

Pengelolaan Sarana dan Prasarana Pendidikan

Madrasas as a type of school education institution have the same duties andresponsibilities as other educational institutions that are under the guidance ofthe Ministry of Education and Culture. In order for education in the madrasas tobe effective, a complete and well-organized educational facility can be used asfully as possible to support a quality teaching and learning process. Based on thedescription of the discussion, a summary of conclusions is obtained: (1)Management of educational facilities and infrastructure is structuring activities,starting from the needs, procurement, inventory, storage, maintenance, use andstorage of complete arrangement of land, buildings, equipment, and schoolequipment available for and target. (2) Types of education can be divided intolearning tools and educational media. While the two types of infrastructure arebuildings and furniture. (3) The purpose of managing educational facilities andinfrastructure, is the provision of professional facilities and services in the field offacilities and infrastructure in schools in order to realize the education process inschools effectively and efficiently. (4) Planning space and educationalinfrastructure, namely planning, procurement, maintenance, inventory, andelimination

Обоснование технологии механизированной лесоочистки лож водохранилищ и компоновки оборудования для ее выполнения

The issue of cleaning reservoir beds during the construction of cascades of hydroelectric power plants is relevant. In current practice, forest clearance is carried out in the form of clear-cutting 15–20 years before the flooding of the area. Herewith, the fact that even before flooding, the reservoir bed is secondly overgrown with fine-sized deciduous species with trunk diameter of up to 15 cm, average volume per tree of which is 3–5 times less than that of previous stands, is ignored. In view of this, it turned out that the use of existing harvesting and logging equipment is ineffective in this type of works. It is necessary to develop machines and technologies that ensure the fulfillment of the assigned task. The research purpose is to develop a technology for cleaning the reservoir bed (on the example of the Boguchany Hydro Power Plant (HPP) on the Angara river) from secondary overgrowing after clear-cutting; as well as the design and arrangement of equipment for the fellerbuncher LP-19V for trees cutting, and the technology of its application. The research agenda includes an analysis of wood cutting forces with regard to inertial forces; calculations of the productivity of the unit for cutting stands and their transportation to the place of loading; sizing of forest swathes, their number and skidding or haulage distances; study of use modes of equipment for cutting stumps, forest clearance and hauling. A design of the working body for the feller-buncher LP-19V is proposed, including a disk cutter and a packer, which allows to increase its productivity in cutting areas by 3–4 times with a whip volume of about 0.14 m3. A technology for loading and delivering timber to barges, and processing unmerchantable wood has been developed. The proposed technology for recleaning the reservoir bed of a hydro power plant allows to fully mechanize the technological process of forestclearance, reduce labour costs and improve the cleaning quality, reduce the negative effects associated with flooding of tree stands while filling HHP reservoirs. For citation: Orlovsky S.N. Substantiation of the Technology of Mechanized Clear-Cutting of Reservoir Beds and Equipment Arrangement for Its Implementation. Lesnoy Zhurnal[Russian Forestry Journal], 2020, no. 1, pp. 128–145. DOI: 10.37482/0536-1036-2020-1-128-145

Optimal Planning and Efficient Adjustments of the Terms of Constructions

Effective planning and implementation of large capital investments, hundreds of millions of dollars can be saved. After completion of the project, it is extremely difficult to make adjustments: even the most talented plant Director, increasing labor productivity, will not be able to compensate for the costs and losses caused by the unsuccessful arrangement of equipment and irrational design of the areas. Companies often trust the choice of optimal technology and configuration to construction organizations. The article deals with the issues of effective optimization of construction scheduling. The specific methods of it mechanisms of reduction of construction time, prevention of overspending of resources, increase of economic efficiency of construction in general are offered.

Maternity care spaces – arrangement, use, and quality of newborn care in Cameroon

To supply high-quality neonatal care, it is essential to provide adequate infrastructures and material. Exceeding the visible simplicity of this condition, we suggest analyzing finely therelationship between the arrangement of the care spaces in maternity, their uses, and the quality of the care delivered to the newborns. An ethnographic investigation in ten hospitals of Cameroon, among which one by region chosen from the various levels of the sanitary pyramid, allowed us to examine how the arrangement of the sanitary spaces and the arrangement of thematerial could contribute to the vulnerability of the newborn in maternity wards. Two hundred observations of the care given at birth were transcribed, then used as support for interviews with healthcare professionals in the aims of explaining their actions. The sanitary spaces, with habits and modes of organization, do not optimize the quality of the care to the newborns. The fragmentation of places used in the coverage of the newborn children engenders delays in care in case of complication at the birth. The ways in which the space and material are used in the wards reveal a lack of anticipation and coordination of care. The appropriations of places and arrangement of equipment are not favorable to recommended neonatal care practices, in particular concerning the fight against the hypothermia and the promotion of early breast-feeding. Indeed, the spatial organization in maternity wards appears to be more centered on the obstetrical care. Reflecting on care spaces can provide a basis for local collective processes of improvement of newborn care practices. It allows to re-question the biomedical professional culture, the segmentation of the tasks and the techniques, and to durably anchor evolutions favorable to neonatal survival.

Noise Reduction of Specified Area by Feedforward Type Active Control Considering Equipment Arrangement

Noise Reduction of Specified Area by Feedforward Type Active Control Considering Equipment Arrangement

Method for installing cryogenic fuel tanks on the deck of BelAZ 7513 mining dump truck

The state of the issue of the relevance and efficiency of the technology of using liquefied natural gas as a partial replacement of diesel fuel in mining vehicles is considered. It is argued that this technology does not require complex and time-consuming re-engineering of internal com- bustion engines, which makes it economically feasible. It is noted that liq- uefied natural gas seems to be the most promising alternative to petroleum motor fuels in heavy-duty mining dump trucks. The use of liquefied natu- ral gas as a motor fuel reduces the environmental burden; increases the energy efficiency of the rock mass hauling process and reduces fuel costs. It is said that developments aimed at substantiating and choosing design and layout solutions for the placement and arrangement of cryogenic equipment on mining vehicles are relevant. The new method for installing cryogenic fuel tanks on the deck of the BelAZ 7513 series mining dump truck with a payload capacity of 130 tons is described in detail. Layout so- lutions for the modernization of the deck of the BelAZ 7513 series dump truck allowing placing additional cryogenic equipment on its board are presented. The data presented indicate that the successful implementation of the proposed method is confirmed by the project on equipping the BelAZ 75131 mining dump truck with cryogenic onboard fuel systems, implemented in practice.

Rolled stock thermomechanical treatment in line of 250 wire-rod mill

To provide a technical possibility of regulated rolling in combination with intensive cooling of rolled stock, the modernization of 250 wire-rod mill of PAO “Izhstal” was accomplished. Within the modernization actions were carried out to increase the rigidity of finish section stands, to assemble the lines of thermo-deformation strengthening (TDS) and accelerated cooling (Ter-mex). The adopted schemes of the equipment arrangement at the mill modernization enabled to dispose the new equipment at the existing site in line of the mill, which provided a smooth billet travelling. To realize the rolled stock accelerated cooling, elements of water cooling system were installed after the sizing stand section before the cooling bed. The control of cooling process was arranged by an automated system, including several sensors, installed along the whole TDS line. To control the rolled stock tension, a horizontal spooler was installed between the last stand and before the shears and the first stand after the TDS line. Indices of strength, plasticity and impact toughness of rolled stock of carbon and low-alloyed steel, reached at the controlled rolling with application of accelerated cooling TDS, quoted, as well as the rolled stock microstructure at regular rolling and rolling with TDS application. For a series of carbon and low-alloyed steels, a technology of rolled stock production was elaborated, excluding the necessity of thermal treatment by a separate heating operation. Systematized by steel grades groups target parameters were formulated, which should be provided by controlled rolling mode usage with rolled stock TDS application.

System Approach of Organization Methods and Ways of Road Construction Mobilization

The schedule of work is one of the main documents of the programme of work. It reflects the decision on the organization of work, the chosen organization method and the way of its mobilization, the sequence of technological processes, the arrangement of equipment and workers in private flows, contains other production and technical information. Profit is created in the sphere of material production, but it gets its specific form at the stage of circulation in the process of selling products, works or services and various non-sales operations. In a market economy, profit is of particular importance. It is a source of self-financing of the economic and social development of an enterprise. Profit is one of the summarizing indicators characterizing production efficiency. It reflects the final financial result of production and economic activity of an enterprise. Profitability characterizes the final financial result and the efficiency of production and economic activity.

Application Analysis of Internet Technology in Orienteering Teaching

<p>With the continuous development of Internet technology, its application in all walks of life is deepening, and the scope of application is also expanding. In the field of education, more and more people are exploring how to use the Internet to improve the quality of education, and how to reshape teaching methods through Internet technology and ideas. In sports education, the application of Internet technology is also a reform in many aspects. For example, in traditional orienteering teaching, at first, teachers used mechanical punchers; Later, gradually developed to the application of electronic timing system. Although some progress has been made in equipment<sup>[1]</sup>, equipment arrangement and recycling still take up a lot of time and directly affect the teaching efficiency. The development of the Internet provides a technical means to effectively solve this problem and sets off a research upsurge in the theoretical circle. This paper integrates Internet technology and thought with orienteering teaching and discusses the new teaching mode in the new era.</p>

3D modelling of loop layout, pipe stress analysis and structural responses of high-pressure high-temperature experimental helium cooling loop (EHCL)

Institute for Plasma Research (IPR) is developing an Experimental Helium Cooling Loop (EHCL) as a part of R&D activities in fusion blanket technologies. This system is designed to test various nuclear fusion blanket mock-ups. The primary loop is designed to remove 75 kW heat load on the Test Section Module (TSM). This system is a high-pressure high-temperature loop which produces significant deflections and thermal expansions in the piping network, which leads to the reaction forces and moments. During the earthquake, an additional high acceleration acts (in all directions) on the piping system which again enhances the pipe deflections.This paper describes EHCL equipment arrangement, loop layout, methodology and results of pipe stress analysis. EHCL equipment are connected through DN 50 schedule 80 major pipes and associated valves. The high temperature piping network is analyzed for sustained and occasional load responses to ensure the integrity of the system. The process piping code ASME B31.3 is referred for pipe stress analysis. The calculated stresses are in acceptable limit. The least available stress margin is ˜29% and the corresponding displacements are 9.8 mm, 19.72 mm and 21.76 mm in x, y and z directions respectively are observed in the heater outlet to TSM inlet line. The obtained results of reaction forces and moment forces would be utilized as an input for the selection of pipe supports. The results of pipe stress analysis would be used in further loop optimization.

Optimizing the Reliability and Efficiency for an Assembly Line That Considers Uncertain Task Time Attributes

An assembly line is an industrial arrangement of machines, equipment, and operators for continuous flow of workpieces in mass-production operations. In an assembly line balancing problem, tasks are allocated to workstations according to their processing times and precedence relationships amongst tasks. Nowadays, some research investigated the reliability of assembly production by taking account of task time uncertainties. Our research utilizes uncertainty theory to model task time uncertainties and introduces the belief reliability measure to the assembly line production for the first time. We proposed a multi-objective optimization model that aimed at maximizing the belief reliability and minimizing the cycle time. The problem is solved using a newly developed restart neighborhood search method. The numerical experiments are conducted to verify its efficiency. The methodology proposed in this paper is applicable to any industry (including the automotive industry) when the historical data on task processing times are very scarce.

Multi-objective optimization of energy consumption in crude oil pipeline transportation system operation based on exergy loss analysis

Energy consumption plays a dominant role in the technical and economic indicators of pipeline operation, and is greatly influenced by operation schemes. However, the conventional energy consumption model is often analyzed from the perspective of “energy” in the process of optimization without addressing the issue of energy quality. Based on energy quality, this paper analyzes exergy loss and exergy efficiency of every component of the crude oil pipeline transportation system. The expression of the exergy loss is determined and the mathematical model of the pipeline transportation system is established with the optimization objective of minimizing the total exergy loss of the system, which is combined the two optimization algorithms of genetic algorithm and multi-objective programming. Using one external oil pipeline in northeast China as an example, the model is used to do hierarchical optimization for the equipment arrangement and operation parameters of each station in the pipeline transportation system. The results found that the total oil transportation cost and the total exergy loss of the pipeline transportation system after optimization have seen an obvious improvement in the effective utilization of energy when compared to pre-optimized levels. The purpose of reducing the operation energy consumption and exergy loss of the system as well as each subsystem simultaneously has been achieved, and the theoretical basis is provided for the energy consumption optimization of oil pipeline transportation system operations.

Improving efficiency in neuroimaging research through application of Lean principles.

Introduction“Lean” is a set of management principles which focus on increasing value and efficiency by reducing or avoiding waste (e.g., overproduction, defects, inventory, transportation, waiting, motion, over processing). It has been applied to manufacturing, education, and health care, leading to optimized process flow, increased efficiency and increased team empowerment. However, to date, it has not been applied to neuroimaging research.MethodsLean principles, such as Value stream mapping (e.g. a tool with which steps in the workflow can be identified on which to focus improvement efforts), 5S (e.g. an organizational method to boost workplace efficiency and efficacy) and Root-cause analysis (e.g. a problem-solving approach to identify key points of failure in a system) were applied to an ongoing, large neuroimaging study that included seven research visits per participant. All team members participated in a half-day exercise in which the entire project flow was visualized and areas of inefficiency were identified. Changes focused on removing obstacles, standardization, optimal arrangement of equipment and root-cause-analysis. A process for continuous improvement was also implemented. Total time of an experiment was recorded before implementation of Lean for two participants and after implementation of Lean for two participants. Satisfaction of team members was assessed anonymously on a 5-item Likert scale, ranging from much worsened to much improved.ResultsAll team members (N = 6) considered the overall experience of conducting an experiment much improved after implementation of Lean. Five out of six team members indicated a much-improved reduction in time, with the final team member considering this somewhat improved. Average experiment time was reduced by 13% after implementation of Lean (from 142 and 147 minutes to 124 and 128 minutes).DiscussionLean principles can be successfully applied to neuroimaging research. Training in Lean principles for junior research scientists is recommended.

Risk Level Analysis of Petrochemical Hazardous Gas Leakage Based on Odour Recognition and CFD Simulation Technology

Petrochemical enterprises have made an indelible contribution to the global modernization. However, as the high risk-level enterprises, once gas leak occurs, it will cause great harm to the surrounding environment and residents. At present, there still exists some weakness in China’s research on petrochemical hazardous gas leak detection and risk classification is still weak. Based on odour recognition (rotten egg odour) and CFD simulation technology, this paper conducts analysis of risk levels for the hydrogenation process in petrochemical processing. The study has found that CFD can be used to simulate the concentration of harmful gas (H2S) diffusion and characterize the severity of harmful gas leakage; the wind direction of the hydrogenation unit and the installation and arrangement of the equipment have an important impact on the leakage of harmful gases, and then CFD simulation can be used to analyse the risk level. This is of guiding significance for the placement of H2S detector.

Investigating the role of internal layout of magnetic field-generating equipment on workers’ exposure at power substations

Introduction. This research is an attempt to show the role of interior layout of equipment in generating magnetic fields. Materials and methods. The levels of an extremely low-frequency magnetic field were measured in accordance with Standard No. IEEE 644:1994 in three substations and a control building in a petrochemical power plant in southern Iran. Then, workers’ occupational exposure (time-weighted average [TWA]) was calculated and the sources of maximum magnetic field generation at each place were identified. Their interior design was changed to achieve the optimal layout of equipment subsequently; the workers’ TWA was recalculated for the new situation. Results. The obtained results showed that electrical engineers and technicians were exposed to the maximum TWA of 10.14 μT. The operators in the control room were exposed to the lowest TWA of 0.84 μT. The results also showed that after the change of interior design and proper layout design of the equipment in the substations, the TWA was reduced by 0.73 μT. Conclusion. The research findings revealed that the most harmonious arrangement of equipment in an industrial unit plays a major role in reducing the exposure of workers to magnetic fields and ultimately increases the level of their health in the workplace.

Optimal multi-floor process plant layout with production sections

This paper addresses the multi-floor process plant layout problem by developing four mixed integer linear programming (MILP) models. The problem involves decisions concerning the optimal spatial arrangement of process plant equipment and/or auxiliary units considering equipment connectivity, pumping and construction costs, and other factors. These considerations are extended to account for tall equipment items that span across floors and the availability of predefined production sections. The proposed models determine simultaneously the number of floors per section, floor areas per section, plot layout and site layout, and are applied to two case studies with up to 22 units and 6 production sections to demonstrate their applicability.

Effect of live ammunition shooting from an automatic rifle on sense of hearing in proffesional military personel

Background/Aim. A short-term high-intensity noise from a gunshot impulse that occurs when using infantry weapon, can result in onset of auditory symptoms such as tinnitus, impaired hearing or feeling of pressure in one or both ears. The aim of this study was to examine the effect of live ammunition shooting from an automatic rifle on the hearing sense in professional military personnel. The examination was done in correlation with the conditions of the common shooting practice procedure. Methods. The research has been conducted on 22 professional soldiers serving in the Serbian Military, during their regular peacetime training shooting from the automatic rifle AP 7.62 mm M70. The training was conducted on the formational shooting field ?Bubanj Potok?. The written consent from all subjects was acquired. All subjects were submitted to medical examination prior and after the shooting session. The medical examination consisted of anamnesis, clinical otorhinolaryngological examination, audiometry and impedancemetry. All subjects filled out the following questionnaire forms: ?The Questionnaire prior to shooting? and ?The questionnaire after shooting.? Subjects who were incapable to undergo shooting practice, whether from psychological or physical reasons were excluded from this study. Results. After the assessment of received data from 22 subjects, the results were as followed: in 2 (9%) subjects hearing impairment was diagnosed. Tinnitus was registered in 5 (22.7%) patients. One (4.5%) patient reported the feeling of pressure in one ear. One of two cases of one ear hearing impairment was on the rifle holding side and second case was on opposite lateral side. In both cases, hearing loss was of sensorineural type of milder degree, with a scotoma at 4,000 Hz in one case up to 50 dB and the second up to 55 dB. Conclusion. Auditory effects of impulse noise that occurs when shooting from automatic rifles cause hearing impairment, tinnitus and a feeling of pressure in the ears. The practical significance of this study lies in prevention which includes the mandatory use of personal protective equipment and functional arrangement of the practice shooting field.

Solid Modelling Interaction with Sensors for Virtual Reality Welding

The imperative part of strong displaying in virtual reality framework is to improve the movement of a user with definitive movement control in genuine intelligent condition. In a real environment motion characteristic is based on sensors and servomechanisms where as in virtual reality systems the motion fundamentals are kinematic in nature. To achieve physically correct interactivity suitable dynamic constraints, should be imposed which can be obtained by augmented reality interface. Beyond input and output hardware, the underlying software plays a very important role in virtual reality systems. It is responsible for the managing of input/output devices, analysing incoming data and generating proper feedback. This research paper focusses on movement displaying for connection between CAD models and Virtual Reality Models using 3ds Max 2017 and Unity 3d softwares. The paper portrays different equipment arrangement of sensors and Arduino for virtual reality welding.

Solid Modelling Interaction with Sensors for Virtual Reality Welding

The imperative part of strong displaying in virtual reality framework is to improve the movement of a user with definitive movement control in genuine intelligent condition. In a real environment motion characteristic is based on sensors and servomechanisms where as in virtual reality systems the motion fundamentals are kinematic in nature. To achieve physically correct interactivity suitable dynamic constraints, should be imposed which can be obtained by augmented reality interface. Beyond input and output hardware, the underlying software plays a very important role in virtual reality systems. It is responsible for the managing of input/output devices, analysing incoming data and generating proper feedback. This research paper focusses on movement displaying for connection between CAD models and Virtual Reality Models using 3ds Max 2017 and Unity 3d softwares. The paper portrays different equipment arrangement of sensors and Arduino for virtual reality welding.

A Study on Stealth Design for Exterior Equipment Arrangement Considering the Multi-Bounce Effect

A Study on Stealth Design for Exterior Equipment Arrangement Considering the Multi-Bounce Effect