Results 1 to 10 of about 23,941 (169)
Journal of Applied Science and Engineering, 2022 This study explored potential applications of a mixtures of nanoparticles and wormlike micelles as a chemica flooding agent in a specific Bohai Bay Oilfield.
Meng Yu +7 more
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Applied Sciences, 2022 This review discusses the links between the newly introduced concepts of digital twins and more classical finite element modeling, reduced order models, parametric modeling, inverse analysis, machine learning, and parameter identification. The purpose of
Georgios E. Stavroulakis +2 more
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Acoustics, 2023 Typically, background noise of different types and levels is present during the measurement of the impulse response in spaces. The two methods that are, in practice, most frequently used in the measurement of the impulse response, are the exponential ...
Nikolaos M. Papadakis +2 more
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FEM Investigation of the Air Resonance in a Cretan Lyra
Vibration, 2023 Cretan lyra is a stringed instrument very popular on the island of Crete, Greece, and an important part of its musical tradition. For stringed musical instruments, the air mode resonance plays a vital part in their sound, especially in the low frequency ...
Nikolaos M. Papadakis +2 more
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Micromachines, 2023 In this study, a new technique is presented for enhancing the vibration suppression of shunted piezoelectrics by using an auxetic composite layer. Finite element models have been created to simulate the dynamic behavior of the piezoelectric composite ...
Maria-Styliani Daraki +2 more
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Tunable Helmholtz Resonators Using Multiple Necks
Micromachines, 2023 One of the uses of Helmholtz resonators is as sound absorbers for room acoustic applications, especially for the low frequency range. Their efficiency is centered around their resonance frequency which mainly depends on elements of their geometry such as
Nikolaos M. Papadakis +1 more
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FEM Investigation of a Multi-Neck Helmholtz Resonator
Applied Sciences, 2023 An increasingly significant area of research with several applications in numerous disciplines is that of multi-neck Helmholtz resonators. This research is set to explore the accuracy and applicability of the finite element method (FEM) for the ...
Nikolaos M. Papadakis +1 more
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Journal of Petroleum Exploration and Production Technology, 2018 This study explored the potential applications of three newly modified polymers [a linear polymer, a hydrophobic association of partially hydrolyzed polyacrylamide (HAHPAM), and a polymer–surfactant] as flooding agents in a specific oilfield. Rheological
Leilei Tie +6 more
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Product Personalization and Customization: Proposing a System Architecture that Integrates Self-Transactional Materials with RFID and IoT Shared Database [PDF]
Informatică economică, 2023 This research paper presents a novel system architecture that integrates Self-Transactional materials with Radio Frequency Identification (RFID), Internet of Things (IoT), and a Shared Database to enable efficient product personalization and ...
Elena PUICA
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Calculation model for water influx and controlled reserves for CBM wells with high water yield
Petroleum Research, 2018 Compared with conventional gas reservoir, percolation mechanism of coalbed methane (CBM) is completely different, it is remarkably affected by adsorption/desorption performance, pressure variation and coalbed characteristics.
Qing Feng +5 more
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