Search Results - complex variables methods applied to problems in fluid (technika OR technicke)

Mixing‐Induced Mineral Precipitation in Porous Media: Front Development and Its Impact on Flow and Transport.

Authors: Kottsova, Anna Kong, Xiang‐Zhao Zitha, Pacelli L. J. et al.

Source: Water Resources Research; Oct2025, Vol. 61 Issue 10, p1-21, 21p

Subject Terms: GEOTHERMAL engineering, FLUID flow, POROUS materials, HIGH resolution imaging, WATER-rock interaction, CRYSTALLIZATION

Preconditioned discontinuous Galerkin method and convection‐diffusion‐reaction problems with guaranteed bounds to resulting spectra.

Authors: Gaynutdinova, Liya Ladecký, Martin Pultarová, Ivana et al.

Source: Numerical Linear Algebra with Applications; Aug2024, Vol. 31 Issue 4, p1-17, 17p

Subject Terms: GALERKIN methods, LOW-rank matrices, SPARSE matrices, TRANSPORT equation, PARTIAL differential equations, EIGENVALUES

Conceptually Simple Method for Optimizing Model Computations in MATLAB Simulink.

Authors: Ondočko, Štefan Svetlík, Jozef Jánoš, Rudolf et al.

Source: Applied Sciences (2076-3417); Nov2025, Vol. 15 Issue 21, p11312, 31p

Subject Terms: ELECTROMECHANICAL devices, MATHEMATICAL optimization, STATISTICAL accuracy, DYNAMIC simulation, MECHATRONICS

Reviews & Products: SIMULINK (Computer software), MATLAB (Computer software)

Enhancing hydraulic performance of navigation lock culverts through simulation-driven multi-objective optimization.

Authors: Bílková, Eva Pašková Langová, Lucie Souček, Jiří et al.

Source: Discover Applied Sciences; Aug2025, Vol. 7 Issue 8, p1-19, 19p

Heat Transfer Enhancement in Flue-Gas Systems with Radiation-Intensifying Inserts: An Analytical Approach.

Authors: Menkeliūnienė, Justina Jonynas, Rolandas Paukštaitis, Linas et al.

Source: Energies (19961073); Jul2025, Vol. 18 Issue 13, p3383, 23p

Subject Terms: HEAT transfer, HEAT exchangers, ENERGY consumption, PRESSURE drop (Fluid dynamics), HEAT recovery, NUSSELT number, FLUE gases

Integrated automatic control of the ARCHER compound helicopter.

Authors: Waśniewska, Sara Cioć, Tomasz Józef Topczewski, Sebastian

Source: Aircraft Engineering & Aerospace Technology; 2025, Vol. 97 Issue 9, p1029-1042, 14p

Subject Terms: AUTOMATIC control systems, FLIGHT control systems, PROPELLERS, FEEDBACK control systems, HELICOPTERS, COMPUTER simulation, TRAJECTORY optimization, ROTORCRAFT

Validation Strategies for District Heating Network Models.

Authors: Kuś, Jakub Mika, Łukasz Żurawski, Michał

Source: Energies (19961073); Sep2025, Vol. 18 Issue 18, p5012, 26p

Subject Terms: SIMULATION methods & models, MODEL validation, HEATING from central stations, EVALUATION methodology

Contemporary and Conventional Passive Methods of Intensifying Convective Heat Transfer—A Review.

Authors: Kozłowska, Ewa Szkodo, Marek

Source: Energies (19961073); Sep2024, Vol. 17 Issue 17, p4268, 27p

Subject Terms: HEAT convection, HEAT transfer coefficient, HEAT exchangers, HEAT transfer, ELECTRONIC equipment

Automated Segmentation and Morphometric Analysis of Thioflavin-S-Stained Amyloid Deposits in Alzheimer's Disease Brains and Age-Matched Controls Using Weakly Supervised Deep Learning.

Authors: Barczánfalvi, Gábor Nyári, Tibor Tolnai, József et al.

Source: International Journal of Molecular Sciences; Aug2025, Vol. 26 Issue 15, p7134, 35p

Subject Terms: ALZHEIMER'S disease, AMYLOID plaque, SUPERVISED learning, MORPHOMETRICS, IMAGE processing, DEEP learning, SEGMENTATION (Biology), HISTOPATHOLOGY

Nozzle Shape Optimization based on Machine Learning using Higher Order Neural Networks.

Authors: Kovář, Patrik Fürst, Jiří

Source: EPJ Web of Conferences; 7/4/2024, Vol. 299, p1-8, 8p

Subject Terms: MATHEMATICAL optimization, MACHINE learning, ARTIFICIAL neural networks, COMPUTATIONAL fluid dynamics, APPROXIMATION theory

Enhancing Unmanned Aerial Vehicle Performance: A Comprehensive Review of Aerodynamic Improvement Techniques at Low Reynolds Numbers.

Authors: Esfandabadi, Mohammad Hossein Moghimi Taghi-Abad, Sohrab Panahandeh DJavarshakian, Mohammad Hassan et al.

Source: International Journal of Aerospace Engineering; 10/17/2025, Vol. 2025, p1-20, 20p

Subject Terms: AERODYNAMICS, AIRPLANE wing design, DRONE aircraft, INCOMPRESSIBLE flow, FLIGHT control systems, LIFT (Aerodynamics), DRAG force

Effect of Operating Speed on Soil Cutting Resistance by a Disc Working Tool: a Theoretical Model Based on Bulldozer Blade Principles.

Authors: Yelemanov, Daniyar Aukenova, Bekzat Doudkin, Mikhail et al.

Source: International Review of Mechanical Engineering; Jul025, Vol. 19 Issue 7, p348-357, 10p

Subject Terms: ENERGY consumption, SPEED, AGRICULTURAL implements, SHEAR strength of soils, MATHEMATICAL models

Sustainable Combined Process for Improving Surface Integrity and Fatigue Strength of Heat-Treated 42CrMo4 Steel Shafts and Axles.

Authors: Maximov, Jordan Duncheva, Galya Anchev, Angel et al.

Source: Metals (2075-4701); Jul2025, Vol. 15 Issue 7, p755, 21p

Subject Terms: FATIGUE limit, SURFACE properties, MACHINING, SUSTAINABLE chemistry, HEAT treatment of steel, CHROMIUM molybdenum steel, MATHEMATICAL optimization, SURFACE finishing

A Review of Existing Hybrid District Heating Substations and Their Application Potential.

Authors: Żurawski, Michał Mika, Łukasz Kuś, Jakub

Source: Energies (19961073); Oct2025, Vol. 18 Issue 19, p5093, 18p

Subject Terms: RENEWABLE energy sources, HEATING, CLEAN energy, DISTRIBUTED power generation, HEATING from central stations

Salmonellae in the air environment: A review.

Authors: Awad, Abdel Hameed A.

Source: Trakya University Journal of Natural Sciences; Oct2024, Vol. 25 Issue 2, p211-227, 17p

Subject Terms: FOODBORNE diseases, AIRBORNE infection, PATHOGENIC microorganisms, LIVESTOCK housing, MICROBIOLOGICAL aerosols, SALMONELLA

Pilot Performance Testing of a Battery-Powered Salamander Micro-Skidder in Timber Harvesting.

Authors: Szewczyk, Grzegorz Krilek, Jozef Tylek, Paweł et al.

Source: Forests (19994907); May2025, Vol. 16 Issue 5, p753, 16p

Subject Terms: LOGGING, RAW materials, TIMBER, SALAMANDERS, AXLES

Prototype station dedicated to aircraft engine propeller profiles and advanced materials testing.

Authors: WRÓBLEWSKI, Piotr BRATKOWSKI, Przemysław BORCUCH, Dominik et al.

Source: Combustion Engines (2300-9896); 2025, Vol. 201 Issue 2, p165-175, 11p

Subject Terms: INTERNAL combustion engines, PROTECTIVE coatings, MATERIALS testing, TWO-stroke cycle engines, ENGINE testing

Social Perception of Environmental and Functional Aspects of Electric Vehicles.

Authors: Zawadzki, Mateusz Ocieczek, Aneta Kaizer, Adam

Source: Energies (19961073); Sep2025, Vol. 18 Issue 17, p4583, 24p

Subject Terms: ELECTRIC vehicles, SOCIAL perception, ENVIRONMENTAL impact analysis, AUTOMOBILE industry, CLIMATE change, USER-centered system design

Geographic Terms: POLAND

Identification of incipient cavitation in control valve.

Authors: Jablonská, J. Blejchař, T. Mahdal, M. et al.

Source: Physics of Fluids; Nov2024, Vol. 36 Issue 11, p1-12, 12p

Subject Terms: FREQUENCIES of oscillating systems, WATER vapor, WATER-gas, STRUCTURAL design, CAVITATION, VISCOSITY

Paragenesis, composition and origin of Ba- and Ca-rich stronalsite, a rare strontium tectosilicate, in rocks of the teschenite association, Silesian Unit, Western Carpathians, Czech Republic.

Authors: Kropáč, Kamil Dolníček, Zdeněk Ulmanová, Jana

Source: Mineralogical Magazine; Jun2025, Vol. 89 Issue 3, p357-369, 13p