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Lea Cubanová, Ján Rumann, Alexandra Vidová, Wael Almikaeel and Filip Rebenda
Nature-like fish passes are commonly designed as a preferred way to overcome barriers in rivers. However, meeting the recommended hydraulic parameters for these passes can be challenging. As a result, boulders or sills are often incorporated to supplemen...
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Oana Vladut, George Eduard Grigore, Dumitru Alexandru Bodislav, Gabriel Ilie Staicu and Raluca Iuliana Georgescu
The objective of this research paper is to apply a mathematical model to estimate and predict the economic growth of the Caspian countries in the period from 1995 to 2022. We use multiple regression by applying the OLS method to estimate the impact of gl...
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Victor V. Kuzenov, Sergei V. Ryzhkov and Aleksey Yu. Varaksin
This paper provides an overview of modern research on magnetoplasma methods of influencing gas-dynamic and plasma flows. The main physical mechanisms that control the interaction of plasma discharges with gaseous moving media are indicated. The ways of o...
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Iñaki Garmendia and Eva Anglada
Ground thermal tests are always mandatory before any space mission is flown into space. The collected results of these tests are mainly temperatures of the different parts of the spacecraft (nodes) for different mission scenarios. The measured temperatur...
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Stephen Afrifa, Tao Zhang, Peter Appiahene and Vijayakumar Varadarajan
With the effects of climate change such as increasing heat, higher rainfall, and more recurrent extreme weather events including storms and floods, a unique approach to studying the effects of climatic elements on groundwater level variations is required...
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Limin Zhang, Liguang Zhu, Caijun Zhang, Zhiqiang Wang, Pengcheng Xiao and Zenxun Liu
The selection of lining material for a steel ladle is important to heat preservation of molten steel. Aerogel insulation materials have very low thermal conductivity, however, they are rarely used in steel ladles. In this paper, the application of a new ...
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Szymon Buchaniec, Marek Gnatowski and Grzegorz Brus
One of the most common problems in science is to investigate a function describing a system. When the estimate is made based on a classical mathematical model (white-box), the function is obtained throughout solving a differential equation. Alternatively...
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Mohammad Ahmad al khateeb,Ahmed Mohammad Alduwairi
Pág. pp. 57 - 67
This study aims to investigate the effect of slow-motion videos use on the 8th graders' achievement in geometry, and identify the students' views about the slow-motion. The study was carried out in a quasi experimental environment on 74 eighth graders of...
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(1) Roman Voliansky (Dniprovsky State Technical University, Ukraine) (2) Andri Pranolo (Universitas Ahmad Dahlan, Indonesia)
Pág. 120 - 131
The paper deals with the developing of the methodological backgrounds for the modeling and simulation of complex dynamical objects. Such backgrounds allow us to perform coordinate transformation and formulate the algorithm of its usage for transforming t...
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Rafael Guardeño, Agustín Consegliere and Manuel J. López
This work is located in a growing sector within the field of renewable energies, wave energy converters (WECs). Specifically, it focuses on one of the point absorber waves (PAWs) of the hybrid platform W2POWER. With the aim of maximizing the mechanical p...
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A. Y. Kuzyshyn,?. V. Batig
Pág. 20 - 29
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V. V. Suglobov,K. V. Tkachuk
Pág. 156 - 166
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H. V. Kryviakin
Pág. 73 - 79
A mathematical model has been developed allowing to determine a value of dynamic moment on the shaft of a traction motor in view of oscillations of the body and bogies in the locomotive movement on continuous and isolated irregularities. Numerical values...
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Chuntian Lu, Jianjun Yang and Qiang Zhang
The transient characteristics of pressure in the condenser under fault conditions have a crucial impact on the safe operation of the entire nuclear power plant. In order to ascertain whether the condenser pressure of a HPR1000 nuclear power unit meets th...
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Ana Teresa Gabriel, Cláudia Quaresma and Pedro Vieira
Back pain is regularly associated with biomechanical changes in the spine. The traditional methods to assess spine biomechanics use ionising radiation. Vertebral Metrics (VM) is a non-invasive instrument developed by the authors in previous research that...
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Zenghui Di, Fei Wang, Hualong Yu, Xiang Dai, Bin Luo and Xin Liu
With the rapid development of the photovoltaic industry, flexible photovoltaic supports are increasingly widely used. Parameters such as the deflection, span, and cross-sectional dimensions of cables are important factors affecting their mechanical and e...
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Sven Klute, Markus Hadam, Mathias van Beek and Marcus Budt
Mathematical optimization is a widespread method in order to improve, for instance, the efficiency of energy systems. A simulation approach based on partial differential equations can typically not be formulated as an optimization problem, thus requiring...
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Xiaotian Luo, Cong Yin, Yueqiang Sun, Weihua Bai, Wei Li and Hongqing Song
Deep soil moisture data have wide applications in fields such as engineering construction and agricultural production. Therefore, achieving the real-time monitoring of deep soil moisture is of significant importance. Current soil monitoring methods face ...
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Yuyang Cong, Yang Liu, Yurong Tang, Jiale Ma, Xingyu Wang, Shuai Shen and Hong Zhang
It is easy to cause increases in temperature and the gasification of water in materials, facilitated via supercharging and the generation of instantaneous strong pressure under the collaborative action of a microwave and a vacuum, thus facilitating the i...
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Matteo Castiello, Dajana Conte and Samira Iscaro
In this article, we analyze the spread of information on social media (Twitter) and purpose a strategy based on epidemiological models. It is well known that social media represent a strong tool to spread news and, in particular, fake news, due to the fa...
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