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Academic Articles & Research Papers
Showing 20 of 509 academic articles
Berk Yildiz, Gulden Oner • European Transport Research Review
(2026)
Abstract Air transport has become the dominant mode of passenger mobility worldwide, yet airline groups remain highly vulnerable to financial distress because of volatile demand, high fixed costs, and exposure to systemic shocks. This study...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12544-026-00865-7
Makpal Nurpeissova, Gaukhar Saimagambetova, Aizhan Omarova, Bibigul Saubetova et al. • Eurasian Journal of Economic and Business Studies
(2025)
The banking sector plays a fundamental role in economic stability and development by facilitating financial intermediation, credit allocation, and liquidity management. In emerging economies such as Kazakhstan, the financial system is chara...
DOAJ
Open Access (DOAJ)
DOI: 10.47703/ejebs.v69i1.464
Abdullahi Chowdhury, Gour Karmakar, Joarder Kamruzzaman, Rajkumar Das et al. • Sensors
(2023)
The increasing attacks on traffic signals worldwide indicate the importance of intrusion detection. The existing traffic signal Intrusion Detection Systems (IDSs) that rely on inputs from connected vehicles and image analysis techniques can...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s23104646
Sofia Morandini, Federico Fraboni, Mark Hall, Santiago Quintana-Amate et al. • Frontiers in Organizational Psychology
(2025)
The integration of AI technologies in aerospace manufacturing is significantly transforming critical operational processes, impacting decision-making, efficiency, and workflow optimization. Explainability in AI systems is essential to ensur...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/forgp.2025.1538438
Piotr Kolasiński • Energies
(2020)
Environmental issues are nowadays of great importance. In particular air and water quality should be kept at as high levels as possible. Energy conversion systems and devices which are applied for converting the chemical energy contained in...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en13153983
Diego Ponce, Alexander Aguila Téllez, Narayanan Krishnan • Energies
(2023)
The growth in the demand for electrical energy, which is driven by the constant growth of the metropolises and the expansion of the productive capacities of the industrial sector, entails the inevitable development of the electrical system ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en16207167
Tsonyo Slavov, Alexander Mitov, Jordan Kralev • Mathematics
(2025)
The article is devoted to designing novel multivariable robust μ-control of an open-circuit axial piston pump. In contrast with classical solutions of displacement volume control, in our case, the hydro-mechanical controller (by pressure, f...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math13040643
Kil-Mo Koo, Jin-Ho Song, Sang-Baik Kim, Kwang-Il Ahn et al. • Science and Technology of Nuclear Installations
(2012)
Unlike design basis accidents, some inherent uncertainties of the reliability of instrumentations are expected while subjected to harsh environments (e.g., high temperature and pressure, high humidity, and high radioactivity) occurring in s...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2012/656590
Sergei Borsch, Andrei Khristoforov, Vladimir Krovotyntsev, Ekaterina Leontieva et al. • Geosciences
(2018)
This paper presents the basin approach to the design, development, and operation of a hydrological forecasting and early warning system in a large transboundary river basin of high flood potential, where accurate, reliable, and timely avail...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/geosciences8030093
Sameh Alsaqoor, Ahmad Alqatamin, Ali Alahmer, Zhang Nan et al. • International Journal of Thermofluids
(2023)
This study examines the impact of incorporating phase change material (PCM) in photovoltaic thermal (PVT) systems on their electrical and thermal performance. Although PVT systems have shown effectiveness in converting solar energy into bot...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.ijft.2023.100365
Glenn C. Sutter, Leah O'Malley, Tobias Sperlich • Journal of Community Engagement and Scholarship
(2023)
Systems thinking can shed light on important relationships and conditions that affect community engagement activities. While robust tools like the community capitals framework and the sustainable livelihoods approach provide valuable contex...
DOAJ
Open Access (DOAJ)
DOI: 10.54656/jces.v15i2.497
Li Ji, Huayong Zhang, Huayong Zhang, Zhongyu Wang et al. • Frontiers in Marine Science
(2025)
Warming is a key factor influencing the function of the structure and function of phytoplankton communities. However, the impacts of temperature on phytoplankton resource use efficiency (RUE) in mountain rivers remain poorly understood. Her...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmars.2025.1565858
Emilio Herrero-Bervera, Mario Moreira • Geosciences
(2023)
In order to understand further the emplacement (i.e., volcanic growth) of 22 Icelandite and 3 Rhyodacite cooling units in one of the long volcanic sequences known as Mauna Kuwale of the Wai’anae volcano (ca. 3.3 Ma), Oahu Hawaii we have con...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/geosciences13040114
Mohsen LUTEPHY • Contributions to Geophysics and Geodesy
(2018)
We report phenomenological inevitable correlation between the Sun’s magnetic field oscillation through the Earth and the Jupiter, with sinusoidal geomagnetic jerks observed at the Earth, additionally aligned with the gravity and length of d...
DOAJ
Open Access (DOAJ)
DOI: 10.2478/congeo-2018-0002
Stefano Fratini, Fabrizio Maria Francesconi, Roberto Checcucci, Francesco Frondini et al. • Acque Sotterranee
(2013)
In December 2009 and the first months of 2010, a large water crisis took place in the Orvieto area, because of sudden high concentration of aluminum (Al) in the groundwater of the vulsino aquifer. This represents a supply for Orvieto’s popu...
DOAJ
Open Access (DOAJ)
DOI: 10.7343/as-048-13-0075
N. Wever, L. Schmid, A. Heilig, O. Eisen et al. • The Cryosphere
(2015)
The widely used detailed SNOWPACK model has undergone constant development
over the years. A notable recent extension is the introduction of a Richards
equation (RE) solver as an alternative for the bucket-type approach for
describing water...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/tc-9-2271-2015
Yuzo Ishikawa, Ling Bai • Earthquake Research Advances
(2024)
On January 1, 2024 at 16:10:09 JST, an Mj 7.6 earthquake struck the Noto Peninsula in the southern part of the Sea of Japan. This location has been experiencing an earthquake swarm for more than three years. Here, we provide an overview of...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.eqrea.2024.100292
Andrey V. Gil, Kirill I. Maltsev, Nikita V. Abramov, Stanislav A. Puzyrev et al. • Известия Томского политехнического университета: Инжиниринг георесурсов
(2024)
Relevance. Determined by the importance of analyzing the combustion characteristics and factors affecting the emission of nitrogen oxides (NOx) in the furnace chamber of pulverized coal-fired power boiler unit when installing tertiary air n...
DOAJ
Open Access (DOAJ)
DOI: 10.18799/24131830/2024/12/4883
Vladislav Brkić, Ivan Zelenika, Petar Mijić, Igor Medved • Energies
(2021)
The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow t...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en14144324
Luka SERIANZ, Sonja CERAR, Polona VREČA • Geologija
(2021)
Triglavska Bistrica is a typical Alpine river in the north-western part of Slovenia. Its recharge area includes some of the highest peaks in the Julian Alps. The hydrogeological conditions and flow of the river depend largely on groundwater...
DOAJ
Open Access (DOAJ)
DOI: 10.5474/geologija.2021.012