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Комп'ютерна модель динаміки морської прив'язної системи з гнучким зв'язком
Pub Date : 2017-12-26 DOI: 10.15589/jnn20170401
Kostiantyn S. Trunin
There has been developed a computer model of the MTS with FC that allows modeling the FC based on the specified MTS parameters and improving the process of designing of the MTS with FC. The computer program for the modeling of the MTS FC dynamics is developed in the Delphi system on the basis of the algorithm for solving the system of equations of the mathematical model of the FC dynamics. The program is launched by the activation of the file FILUM_CIRKUL.EXE. The program interface has windows for setting the values of 54 MTS parameters and 4 parameters of the algorithm. To their right, the parameter names and measurement units are given. The modeling results are presented in a graphic form on four diagrams at specified moments of time. The latter are displayed next to the diagrams and determined by the time interval of the diagrams change. They are set by the parameter “visualization step, s”. Three diagrams show spatial arrangement of the CV, FC and UV projected on the XOZ, YOZ and XOY planes of a rectangular Cartesian coordinate system. The fourth diagram shows distribution of the tensile force of the FC along its length. Numerical results are displayed in a textbox after the program’s execution. Modeling of the MTS FC dynamics starts after clicking the FILUM button of the program’s interface.
建立了基于FC的MTS计算机模型,可以根据MTS的指定参数对MTS进行建模,从而改进了基于FC的MTS设计过程。在求解FC动力学数学模型方程组算法的基础上,在Delphi系统中开发了MTS FC动力学建模的计算机程序。该程序是通过激活filum_cirkl . exe文件启动的。程序界面有设置54个MTS参数值和4个算法参数值的窗口。在他们的右边,给出了参数名称和测量单位。建模结果在指定时刻以图形形式呈现在四张图上。后者显示在图表旁边,并由图表更改的时间间隔决定。它们由参数“可视化步骤,s”设置。三张图显示了CV、FC和UV在直角直角坐标系XOZ、YOZ和XOY平面上的空间排列。第四张图显示了FC的拉伸力沿其长度的分布。数值结果在程序执行后显示在一个文本框中。MTS FC动力学的建模开始后,点击FILUM按钮的程序的界面。
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引用次数: 2
Analysis of the formulas for calculation of the drill ship’s lightweight 钻井船轻量化计算公式分析
Pub Date : 2017-12-26 DOI: 10.15589/jnn20170402
M. M. Guk
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引用次数: 0
Формування культури екологічної безпеки майбутніх фахівців будівельного профілю через проектне навчання
Pub Date : 2017-11-06 DOI: 10.15589/jnn20170318
Natalia Kulalaieva
The article substantiates the need of the formation and development of the environmental safety culture for the future professionals of the construction industry for their understanding of the environmental impacts made during their production activities. It highlights the problem that most industries have a negative impact on the environment, including building construction, where workers are affected by different types of hazards (radiation, chemical, physical, biological and social ones). It is indicated that teachers of specialized subjects should involve an environmental component in their own educational activities using project-based learning, which aims at solving professional issues and helps motivate students for their learning activities and independent work in the pursuit of knowledge. In addition, the author proves that an essential part of certain decisions and actions that are taken in order to solve the problems of environmental safety is embodied in the “green” construction. The study identifies the relevant conditions affecting the success of project-based learning. They are as follows: the desire and interest in implementing project activities shown by pupils, students and teachers; successful experience of implementing project-based learning in a number of vocational schools; well-formed personal skills of vocational students (design, research, communication, presentation and reflection), which are important for project-based learning, etc. Their experimental evaluation in vocational schools for building construction is conducted. It is proposed to introduce a comprehensive system of project-based learning and its scientific and methodological support in vocational schools. This can be realized through the development of training cycles, game activities, distressed and situational exercises.
文章论证了环境安全文化的形成和发展对未来建筑业专业人员的必要性,以使他们了解在其生产活动中所产生的环境影响。它突出了大多数工业对环境有负面影响的问题,包括建筑,工人受到不同类型的危害(辐射、化学、物理、生物和社会危害)的影响。本研究指出,专业学科教师应利用专案式学习,将环境因素纳入教学活动,以解决专业问题,并协助激发学生的学习活动和追求知识的独立工作。此外,作者还论证了为解决环境安全问题而采取的某些决策和行动的重要组成部分体现在“绿色”建设中。本研究确定了影响基于项目的学习成功的相关条件。它们是:学生、学生和教师对实施项目活动表现出的愿望和兴趣;若干职业学校实施项目式学习的成功经验高职学生良好的个人技能(设计、研究、沟通、表达和反思),这对基于项目的学习等很重要。并在高职建筑专业对其进行了实验评价。提出了在职业学校引入项目化学习的综合体系及其科学和方法论支持。这可以通过制定训练周期、游戏活动、困境和情境练习来实现。
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引用次数: 0
Розробка та дослідження ефективності установки знезараження води плавальних басейнів
Pub Date : 2017-11-06 DOI: 10.15589/jnn20170313
Volodymyr V. Blahodatnyi, Volodymyr I. Bieliavskyi, Anna S. Bashmakova
Development of high-efficiency systems for cleaning recycled water is a relevant task in the construction of new individual and public swimming pools and reconstruction of the existing ones. There has been developed a silver ionization water plant, which consists of two electrolyzers and a circulating pump. The silver ionator has a hanging structure, which allows using the plant both on its own and as a part of the systems for complex processing of recycled water. A technique is developed to determine the parameters of the plant for maintenance of swimming pools with the volume ranging from 10 to 3600 m3. As a result of the study of the plant’s operating modes, it is determined that the most appropriate duration of a change in the electrode polarity makes up 6 min, and the steady mode is established in 2 min. Measurement of the concentration of silver by means of a photometric colorimeter has shown that the ions concentration in the water at the outlet of the ionator increases significantly when the voltage level reaches 8...9 V and hardly depends on the current strength in the range of 100…200 mА. The use of the electrodes of the length corresponding to the working length of the ionator provides the required concentration of silver in the wide range of water consumption. It is advisable to apply the electrodes occupying one or two thirds of the working length of the device in individual pools of a small volume. To prevent contamination of electrodes, it is reasonable to include the decontamination plant to the pool’s recycled water cleaning systems.
开发高效的循环水清洗系统是新建个人游泳池和公共游泳池以及改造现有游泳池的相关任务。研制了由两台电解槽和一台循环泵组成的银离子水厂。银离子发生器有一个悬挂结构,既可以单独使用,也可以作为循环水复杂处理系统的一部分。开发了一种技术来确定设备的参数,以维护体积从10到3600立方米的游泳池。通过对装置工作模式的研究,确定了电极极性变化的最适当持续时间为6分钟,稳定模式在2分钟内建立。用光度比色计测量银的浓度表明,当电压水平达到8…9时,离子发生器出口水中的离子浓度显著增加V和几乎不取决于电流强度在100…200 mА范围内。使用与离子发生器的工作长度相对应的长度的电极,可在较宽的耗水量范围内提供所需的银浓度。建议在小体积的单个池中应用占据设备工作长度的1 / 3或2 / 3的电极。为了防止电极受到污染,在泳池的循环水清洗系统中加入去污装置是合理的。
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引用次数: 0
Аналіз ефективності виробничої діяльності енергогенеруючого комплексу на біомасі ТОВ «Агропромислова компанія «Євгройл»
Pub Date : 2017-11-06 DOI: 10.15589/JNN20170317
Iryna V. Remeshevska, Natalia V. Gurets, Oleksandr A. Omelchuk
Recently, the relevance of biomass projects and substitution of fossil fuels, primarily natural gas, has increased significantly. Ukraine has a great potential in the production of biofuels, but its application is still very limited. The use of wood in the form of log pieces, wood treatment waste, wood chips and pellets, and burning of sunflower husk has the most dynamic development. The article presents the analysis of efficiency of the industrial activity of the biomass energy-generating complex at Аgroindustrial Company Eugroil Ltd as one of the most environmentally friendly and cost-effective types of electricity production, which is extremely important to determine the prospects of the company. The authors have examined the current state and prospects of bioenergy development in Ukraine. Energy and technological characteristics of the complex under consideration are provided. The results of assessment of the impact of the complex’s operation on the environment are presented, as are the results of analysis of environmental and economic efficiency of its implementation. Prospects for further development of the production are suggested.
最近,生物质能项目和替代矿物燃料(主要是天然气)的相关性大大增加。乌克兰在生产生物燃料方面具有巨大潜力,但其应用仍然非常有限。以原木块、木材处理废弃物、木片和木丸、燃烧葵花籽壳等形式利用木材的发展最为活跃。本文分析了Аgroindustrial公司Eugroil有限公司生物质能源生产综合体的工业活动效率,这是最环保和最具成本效益的电力生产方式之一,这对确定公司的前景至关重要。作者研究了乌克兰生物能源发展的现状和前景。提供了所考虑的综合体的能源和技术特点。介绍了综合设施运行对环境影响的评估结果,以及对其实施的环境和经济效率的分析结果。并对今后的发展提出了展望。
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引用次数: 0
Дослідження характеристик ущільнення маси цілих зношених автошин у піролізному реакторі
Pub Date : 2017-11-06 DOI: 10.15589/JNN20170315
L. Markina
The publication studies the characteristics of compression of a batch of whole waste tires. The process of their dynamic compression in a pyrolysis is modeled. Dependencies of variation of the load on the tire column are analyzed at various heating temperatures and statistical load during pyrolysis. Rheological properties of the tires are considered in three relatively isolated zones of the reactor with different physical conditions. A physical model of pyrolysis reactor has been developed, which is intended for the study of rheology of whole waste tires during their heating and compression. In prospect, this model will improve the technology of thermal recycling of waste tires and increase the reactor fill factor up to 98%. The mathematical model of dynamic compression of whole waste tires in the pyrolysis reactor can be used for practical purposes during pyrolysis plant design.
对一批全废轮胎的压缩特性进行了研究。模拟了它们在热解过程中的动态压缩过程。分析了不同加热温度和热解过程中统计载荷对轮胎柱载荷变化的依赖关系。在反应器的三个相对孤立的区域,在不同的物理条件下,考虑轮胎的流变特性。为了研究废轮胎在加热和压缩过程中的流变特性,建立了热解反应器的物理模型。展望未来,该模型将改进废轮胎热回收技术,使反应器填充系数提高到98%以上。建立的全废轮胎在热解反应器中动态压缩的数学模型可用于热解装置设计。
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引用次数: 0
Аналіз показників декаплінгу за ресурсними факторами в контексті формування сталого розвитку регіону
Pub Date : 2017-11-06 DOI: 10.15589/JNN20170316
Serhii M. Litvak, Olha A. Litvak
The article studies the trends in shaping the sustainable development of the region based on the analysis of dynamics of decoupling by resource factors in identifying the relationships between economic development and consumption of certain types of resources in the Mykolaiv region. The concept of decoupling has been analyzed, and two types of decoupling are considered: by resource factors and by impact on the environment. In order to identify the effect of decoupling by resource factors in the Mykolaiv region, the dynamics of the following indicators has been studied: consumption of energy and oil refinery products; fresh water consumption; waste generation, recycling and combustion for energy production. The volume index of gross regional product is used as an indicator of economic growth. Volume indices of consumption of the resources under study and GRP are calculated with reference to the baseline in 2010. Absolute decoupling by consumption of energy and oil refinery products has been revealed. By the volume of fresh water consumption, no decoupling has been found. The highest decoupling indicator was observed in 2015, but in the recent years it is estimated to vary within the negative range. The last three years showed the tendency of reduction in the volumes of hazardous waste, but previous substantial variations do not allow confirming the decoupling effect in waste generation and management. The main factors that hamper the transition to a resource-saving production and consumption are identified. The measures to direct regional development with account for green growth are suggested. The Mykolaiv region has a considerable potential for the transition to a resource-saving and ecologically-oriented economy. The study of the dynamics of the presented decoupling indicators by resource factors can contribute to establishing targets and limitations in order to create the preconditions for sustainable development of the region.
本文在分析资源要素解耦动力学的基础上,探讨了塑造该地区可持续发展的趋势,确定了尼古拉耶夫地区经济发展与某类资源消费之间的关系。分析了脱钩的概念,提出了两种类型的脱钩:资源因素的脱钩和环境影响的脱钩。为了确定资源因素对Mykolaiv地区脱钩的影响,研究了以下指标的动态:能源和炼油产品的消费;淡水消耗;废物产生、回收和燃烧用于能源生产。地区生产总值的数量指数被用作经济增长的指标。参考2010年基线计算研究资源消费量和生产总值的体积指数。能源消费与炼油产品消费的绝对脱钩已经显现。从淡水消耗量来看,没有发现解耦。去耦指标在2015年达到最高,但近年来估计在负值范围内变化。过去三年显示危险废物的数量有减少的趋势,但以前的大量变化不能证实废物产生和管理方面的脱钩效应。确定了妨碍向资源节约型生产和消费过渡的主要因素。提出了以绿色增长指导区域发展的措施。尼古拉耶夫地区在向资源节约和面向生态的经济过渡方面具有相当大的潜力。通过对资源因子解耦指标的动态研究,可以为区域可持续发展设定目标和限制条件。
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引用次数: 1
Оцінка ефективності реагентів для стабілізаційної обробки води циркуляційних систем
Pub Date : 2017-11-06 DOI: 10.15589/JNN20170312
Tetiana O. Shablii, I. Makarenko, Anastasiia Yu. Bereza, Mariia M. Shuryberko
The problem of stabilizing treatment of water for cooling systems is very relevant for the energy industry. Increasing water quality will reduce the volume of water discharged during purging of the systems. This, in turn, leads to a reduction in the contamination of natural water bodies. This publication considers both already available and synthesized reagents. Oxyethylidenediphosphonic acid was used to compare the efficiency of antiscalants. The known reagents under study include gipan, carboxymethylcellulose, citric and tartaric acid, and nitriletrimethylphosphonic acid. The efficiency of reagents has been evaluated as for stabilization of tap water and model solutions with different mineralization for different temperature conditions. The efficiency of a number of reagents is determined as for the СaSO4 precipitation from concentrated solutions. The possibility of using available and synthesized reagents for water stabilization at higher temperatures is evaluated. Tartaric and citric acids are quite effective stabilizers in the concentrates of the reverse osmosis seawater desalination. A new inhibitor of precipitation of sodium methyldisulfonate is synthesized on the basis of sodium sulfite and formaldehyde; its efficiency is subject to evaluation.
冷却系统用水的稳定处理问题与能源工业密切相关。提高水质将减少系统清洗过程中排放的水量。这反过来又减少了对天然水体的污染。本出版物考虑了已经可用的和合成的试剂。用氧乙基二膦酸比较了抗垢剂的效果。已知正在研究的试剂包括苯胺、羧甲基纤维素、柠檬酸和酒石酸以及硝基三甲基膦酸。评价了试剂在不同温度条件下稳定自来水和不同矿化模型溶液的效率。许多试剂的效率被确定为从浓缩溶液中СaSO4沉淀。评估了在较高温度下使用现有试剂和合成试剂进行水稳定的可能性。酒石酸和柠檬酸是反渗透海水淡化浓缩液中非常有效的稳定剂。以亚硫酸钠和甲醛为原料合成了一种新的甲基二磺酸钠沉淀抑制剂;其效率有待评价。
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引用次数: 0
Оцінка ймовірностей ризиків проекту зі створення плазмохімічних елементів
Pub Date : 2017-11-03 DOI: 10.15589/jnn20170310
Kateryna S. Burunsuz
Basic models and methods of assessment of project risks have been considered. The main stages of the risk management process for the projects of creation of plasma-chemical elements (PCEs) for clean energy systems are proposed. The algorithm of developing a risk assessment model for the international projects of creation of plasma-chemical systems is provided. The risk framework of international project of creation of PCEs is presented. The model of analytical network process is applied. A verbal scale of relative importance for pairwise comparison of factors is used. The algorithm for determining risk-significance of the project of creation of PCEs is presented. A pairwise comparison of risk factors at implementation of international projects of creation of PCEs is performed. The normalized matrix is developed to determine the probability of occurrence of each factor. The consistency index and the consistency ratio are computed. Probabilities of occurrence of risks of subfactors in the project of creation of PCEs are provided.
研究了项目风险评估的基本模型和方法。提出了用于清洁能源系统的等离子体化学元素(pce)创建项目的风险管理过程的主要阶段。给出了建立等离子体化学系统国际项目风险评估模型的算法。提出了国际民营企业建设项目的风险框架。采用了分析网络过程模型。对于两两比较的因素,使用了相对重要性的口头量表。提出了一种确定pce创建项目风险显著性的算法。对建立个人健康中心的国际项目实施过程中的风险因素进行了两两比较。建立归一化矩阵来确定每个因素发生的概率。计算一致性指数和一致性比。给出了建立pce项目中各子因素风险发生的概率。
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引用次数: 0
Управління проектами гуманітарного розмінування акваторій України: задачі формування організаційних структур
Pub Date : 2017-11-03 DOI: 10.15589/jnn20170311
Maksym Hrytsaienko
The current state of project management for humanitarian demining of water the areas of Ukraine has been analyzed. Genesis of the theory of management of such projects is formulated; they constitute a part of the projects on diving, biotechnical, robotic and combined demining. The publication suggests a generalized structure of the studies on elaboration of the theory of management of projects on humanitarian demining of water areas considering formation of organizational structures of management of such projects by means of unmanned technologies. The study indicates that improving the quality and productivity of the humanitarian demining operations in water areas with the help of unmanned technologies is possible and quite feasible. The organizational structures based on biotechnical systems and marine robotics are developed.
对乌克兰各地区水的人道主义排雷项目管理的现状进行了分析。阐述了此类项目管理理论的起源;它们是潜水、生物技术、机器人和综合排雷项目的一部分。该出版物提出了关于拟订水域人道主义排雷项目管理理论的研究的一般结构,考虑到利用无人技术形成这类项目管理的组织结构。研究表明,在无人技术的帮助下,提高水域人道主义排雷行动的质量和生产力是可能的,也是相当可行的。开发了基于生物技术系统和海洋机器人的组织结构。
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引用次数: 0
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Collection of Scientific Publications NUS
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