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

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

Application of a Total Pressure Sensor in Supersonic Flow for Shock Wave Analysis Under Low-Pressure Conditions.

Authors: Bílek, Michal Maxa, Jiří Šabacká, Pavla et al.

Source: Sensors (14248220); Oct2025, Vol. 25 Issue 20, p6291, 23p

Subject Terms: SUPERSONIC flow, SHOCK waves, ENTROPY, PRESSURE sensors, LOW pressure (Science), COMPUTATIONAL fluid dynamics

Advancing in hydraulic analysis: Integration of optimisation methods and renewable energy sources.

Authors: Pírková, Marcela Fialová, Simona Pochylý, František

Source: Journal of Ecological Engineering; 2025, Vol. 26 Issue 12, p12-27, 16p

Subject Terms: MATHEMATICAL optimization, RENEWABLE energy sources, IRRIGATION, DESIGN software, SOLAR energy, WATER distribution, HYDRAULIC measurements, WIND power

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)

Experimental set-up for the validation of phase change models in case of direct and inverse heat transfer problems.

Authors: Zálešák, Martin Bouchal, Patrik Pech, Ondřej et al.

Source: EPJ Web of Conferences; 7/4/2024, Vol. 299, p1-5, 5p

Subject Terms: HEAT transfer, PHASE change materials, PHASE transitions, HYSTERESIS, DIFFERENTIAL scanning calorimetry

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

The Effect of Surface Roughness on Supersonic Nozzle Flow and Electron Dispersion at Low Pressure Conditions.

Authors: Šabacká, Pavla Maxa, Jiří Bayer, Robert et al.

Source: Sensors (14248220); Jul2025, Vol. 25 Issue 13, p4204, 43p

Subject Terms: SURFACE roughness, SUPERSONIC flow, COMPUTATIONAL fluid dynamics, SHOCK waves, FLUID dynamics, SCANNING electron microscopes, LOW pressure (Science), ELECTRON scattering

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

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

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

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

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

Global economic crisis impact on organic food consumption in the Czech Republic.

Authors: Majerova, Jana Cizkova, Sarka

Source: Frontiers in Sustainable Food Systems; 2024, p1-12, 12p

Subject Terms: GLOBAL Financial Crisis, 2008-2009, FOOD consumption, ORGANIC foods, ECONOMIC impact, ECONOMIC change, RECESSIONS, FOOD security

Geographic Terms: CZECH Republic

Implementation of the fuzzy analytical hierarchy process method in the determination of fishery shipyard clusters in Indonesia, preliminary study.

Authors: Rizwan, Thaib Thaib, Razali Rizki, Ayana

Source: Advances in Science & Technology Research Journal; 2025, Vol. 19 Issue 2, p127-135, 209p

Subject Terms: ANALYTIC hierarchy process, CITIES & towns, JUDGMENT (Psychology), FISHERIES, ELECTRONIC data processing, SHIPYARDS, FUZZY algorithms

DEVELOPMENT OF THE ENTERPRISE MULTI-AGENT SIMULATION MODEL FOR THE PRODUCTION OF PLASTIC WINDOWS IN ORDER TO DEVELOP THE MARKETING STRATEGY.

Authors: Aksyonov, Konstantin A. Ziomkovskaia, Polina E. Aksyonova, Olga P. et al.

Source: Proceedings of the International Multidisciplinary Scientific GeoConference SGEM; 2019, Vol. 19 Issue 1, p241-248, 8p

Subject Terms: MARKETING strategy, PRICING, SYSTEMS software, SIMULATION methods & models, MULTIAGENT systems, INTELLIGENT agents

Traction performance and efficiency of cone friction CVT.

Authors: Řípa, Vít Petr, Karel Flek, Jan et al.

Source: Theoretical & Applied Mechanics Letters; Mar2025, Vol. 15 Issue 2, p1-11, 11p

Kinematic and dynamic analysis of dam break flow impact on vertical walls using weakly compressible SPH.

Authors: Jančík, P. Hyhlík, T.

Source: Applied & Computational Mechanics; Dec2021, Vol. 15 Issue 2, p153-174, 22p

Subject Terms: DAMS, SURFACE waves (Fluids), OPEN-channel flow, SPATIAL resolution