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2041
Artificial neural network analysis of Jeffrey hybrid nanofluid with gyrotactic microorganisms for optimizing solar thermal collector efficiency
Published 2025-02-01“…The gyrotactic microorganisms have the ability to move in an upward direction in the nanofluid mixture, which enhances the nanoparticle stability and fluid mixing in the suspension. Mathematical modeling of the governing equations uses the conservation principles of mass, momentum, energy, concentration, and microorganism concentration. …”
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2042
Experimental and Mathematical Studies for Optimality of GTAW Parameters on Similar and Dissimilar Steel Substrates
Published 2022-01-01“…Genetic algorithm and mathematical modelling are opted for selecting the final optimal welding parameters. …”
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2043
Application of real options valuation in nuclear energy systems
Published 2024-09-01“…A wide range of operational and strategic considerations need the expanding use of mathematical models to help decision-making.…”
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2044
Nanocrystalline Porous Hydrogen Storage Based on Vanadium and Titanium Nitrides
Published 2017-01-01“….% of hydrogen. Data of mathematical modeling are presented highlighting the structure formation and component creation of the films during their deposition at the time of simultaneous bombardment by mixed beam of nitrogen and helium ions with energy of 30 keV. …”
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2045
Optimization of Ultrasound Treatment of Beverage from Mango and Carrot with Added Turmeric Using Response Surface Methodology
Published 2022-09-01“…The AOC was assigned as a response variable in addition to TSP and TC. Mathematical modeling showed that the formulation with 35% ( v/v ) of mango pulp, 10% ( v/v ) of carrot juice, and 0.7% ( w/v ) of turmeric powder, yielded the highest values of TSP, TC, and AOC. …”
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2046
Thermal Analysis and Structural Optimization of High-Efficiency Fuel Submersible Hot Water Machine
Published 2021-01-01“…The main factors affecting thermal efficiency were analyzed and mathematically modeled. The air supply model and the convective heat transfer model of the threaded tube were established. …”
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2047
Prediction of Tool Lifetime and Surface Roughness for Nickel-Based Waspaloy
Published 2020-01-01“…Finally, a set of mathematical models can be established based on these results, in order to predict the surface roughness of Waspaloy cut with a worn tool. …”
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2048
Limits and Risks of Digital Transformation
Published 2020-07-01“…It is very likely that the tester of artificial intelligence systems will become one of the mass professions in the close future.We give examples to show that the "translation" from "continuous" to "discrete" language can lead to qualitatively different behavior of mathematical models. In a number of problems associated with a computational experiment this can be quite significant.Great risks arise when passing to the "fast world", approaching the "Lem's barrier". …”
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2049
A Review of Stall Detection in Subsonic Axial Compressors
Published 2024-12-01“…In particular, a review is presented in the types and characteristics of stalls, the major mathematical models used to describe these systems, influences of physical attributes such as tip clearance, guide vanes, and groove casing—operating as passive control elements—but also active control utilities such as air injection are discussed along with a detailed review of existing stall precursor detection algorithms. …”
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2050
Comparative use of different AI methods for the prediction of concrete compressive strength
Published 2025-03-01“…Additionally, analytical mathematical models are often used to estimate concrete characteristics. …”
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2051
Mathematical and computational modeling for organic and insect frass fertilizer production: A systematic review.
Published 2025-01-01“…The results show that mathematical and computational modeling can improve the efficiency and effectiveness of organic fertilizer production, leading to improved agricultural productivity and reduced environmental impact. Mathematical models such as simulation, regression, dynamics, and kinetics have been applied while computational data driven machine learning models such as random forest, support vector machines, gradient boosting, and artificial neural networks have also been applied as well. …”
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2052
Probabilistic Dynamics for Integrated Analysis of Accident Sequences considering Uncertain Events
Published 2015-01-01“…In general, there are a lot of mathematical modelling theories, which can be used separately or integrated in order to extend possibilities of modelling and analysis. …”
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2053
Research on Financial Hedging Decision Based on Exchange Rate Risk in Transnational Supply Chain
Published 2021-01-01“…Thirdly, from the perspective of wholesale price agreements and revenue-sharing contracts, it discusses the impact of financial hedging behavior and bilateral exchange rate risks on the decision-making process of each member through mathematical modeling. Finally, it explores the relationships of decision variables through simulation analysis. …”
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2054
THE ALLOCATION SYSTEM AND RATIONALITY MEASURES IN THE VALUATION OF MIXED-CROP AGRICULTURAL LAND
Published 2024-11-01“…The lack of information that typifies land markets makes traditional statistical and econometric models impractical. In contrast, mathematical models based on valuation systems, such as the General Appraisal System (GAS) and the Allocation System (AR), offer an effective solution. …”
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2055
Enhancing Friction Stir Spot Welding of Al 5754 and Al 6111 Joints Using Taguchi’s Technique
Published 2024-01-01“…Regression analysis was employed to formulate mathematical models predicting tensile and bending strength, and the predicted values closely matched experimental results with 80% accuracy.…”
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2056
A Comparative Analysis of Prominent Virtual Synchronous Generator Strategies Under Different Network Conditions
Published 2024-01-01“…Furthermore, comprehensive mathematical models of VSGs have been derived in order to verify the simulation results through a frequency domain stability analysis. …”
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2057
Kinetics of Solidification and Crystallization of Liquid Axial Zone of Fe-C Alloys in Cylindrical Molds
Published 2024-12-01“…The obtained curves can also be used to assess the accuracy of computer modeling of the processes of Fe-C alloys solidification and further adaptation of mathematical models by the correction of thermophysical coefficients, the values of which are not always known in the liquidus-solidus temperature range.…”
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2058
Managing the Investment Attractiveness of the Federal Subjects of Russia in the Context of the UN Sustainable Development Goals
Published 2022-07-01“…Inter-regional gaps in the investment sphere and sanction pressure on the national economy have actualized the issue of improving the efficiency of managing investment attractiveness at the mesoscale using modern high-precision methods of economic and mathematical modeling. A number of well-known thematic ratings are used to assess the investment attractiveness of the Russian regions, whose critical analysis made it possible to identify their main shortcomings. …”
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2059
ALGORITHMIZATION OF PROBLEMS FOR OPTIMAL LOCATION OF TRANSFORMERS IN SUBSTATIONS OF DISTRIBUTED NETWORKS
Published 2014-08-01“…The possibility of such replacement is considered in order to increase efficiency of electrical network operation connected with its physical wear and aging.In this article the faults of early developed mathematical models of transformers replacement were discussed. …”
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2060
Model-Based Design, HIL Testing, and Rapid Control Prototyping of a Low-Cost POC Quadcopter with Stability Analysis and Control
Published 2022-01-01“…This paper addresses this issue and presents a novel proof of concept (POC) low-cost quadcopter UAV design approach using a systematic Model-Based Design (MBD) method for mathematical modeling, simulation, real-time testing, and prototyping. …”
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