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7221
Application of the Integral Energy Criterion and Neural Network Model for Helicopter Turboshaft Engines’ Vibration Characteristics Analysis
Published 2024-11-01“…Comparative analysis shows the proposed method’s accuracy and noise resistance superiority, emphasizing the importance of introducing modern technologies to improve aircraft operation reliability and safety.…”
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7222
Design, Development, and Evaluation of a Contactless Respiration Rate Measurement Device Utilizing a Self-Heating Thermistor
Published 2025-06-01“…The device has a robust operation, is easy to use, and provides an objective measure of the RR in a noncontact manner.…”
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7223
Computational Investigation of Fluidic Thrust Vectoring Control in Modified Vikas Nozzle
Published 2025-01-01“…Over the decades, polar satellite launch vehicles and geosynchronous launch vehicles have utilized variants of the Vikas engine for numerous space operations. The pitching control for those launch vehicles is achieved by gimbaling the Vikas engine nozzle up to ± 4° with mechanical actuating parts. …”
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7224
Effects of Feeding Sources and Different Temperature Changes on the Gut Microbiome Structure of <i>Chrysomya megacephala</i> (Diptera: <i>Calliphoridae</i>)
Published 2025-03-01“…This study sought to investigate the influence of various feeding substrates and temperature conditions, specifically constant temperatures of 15, 25, 35 °C, and variable temperatures averaging 23.31 °C, on the gut microbiome of <i>C. megacephala</i>. …”
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7225
Application of the Correlation Velocity Measurements for Hydrodynamic Investigations of Turbulent Coolant Flow in Nuclear Reactor Elements
Published 2020-09-01“…The method of correlation measurement of the coolant flow rate, widely used for operational diagnostics of nuclear power plants, can be extensively used in research practice. …”
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7226
The electrical axis of the heart in patients with atrial fibrillation before and after radiofrequency ablation
Published 2018-10-01“…The analysis of the changes reliability after the operation was carried out using the Wilcoxon test. …”
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7227
DETERMINATION OF THE LEVEL OF OVERVOLTAGE IN THE SECONDARY CIRCUITS OF SUBSTATIONS WHEN LIGHTNING IMPULSE VOLTAGE IS DISTRIBUTED IN HIGH-VOLTAGE BUSES
Published 2017-05-01“…Solutions are obtained for overvoltage in the secondary circuits, according to which the levels of overvoltage can be estimated as “extremely stepped-up”, “lowered” and “averagely stepped-up” levels. With a method of computational experiment the levels of overvol tage for distribution substations with voltage 110 and 220 kV were assessed. …”
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7228
Factors Responsible for Wheel - Rail Interaction in Curves
Published 2015-02-01“…Not only maximum but also averaged values of the interaction indices ought to be taken into consideration while analyzing the respective calculation and test results. …”
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7229
Comparative Review of Multi-Objective Optimization Algorithms for Design and Safety Optimization in Electric Vehicles
Published 2024-01-01“…The design problem aimed to maximize energy absorption during impact, enhance crash force efficiency, and optimize temperature difference, all while adhering to design space and operational constraints. The comparative results, based on four performance indicators—hypervolume (HV), inverted generational distance (IGD), averaged Hausdorff distance <inline-formula> <tex-math notation="LaTeX">$\left ({{ \Delta _{p} }}\right)$ </tex-math></inline-formula>, and spread—reveal that SLMEA emerged as the best algorithm, not only for RWMOP-BEV but also across other benchmark sets, including DTLZ problems and other real-world multi-objective optimization problems.…”
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7230
A Method for Interpreting the Role of Parameterized Turbulence on Global Metrics in the Community Earth System Model
Published 2024-10-01“…Several input parameters modulating vertical momentum flux appear most influential for various regionally‐averaged quantities, namely surface stress and shortwave cloud forcing (SWCF). …”
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7231
A Saliency Detection Model via Fusing Extracted Low-level and High-level Features from an Image
Published 2019-06-01“…In the post processing step, morphological operators and the connected components technique are applied on the final saliency map to construct further contiguous saliency regions. …”
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7232
Enhancing Thermal-Hydraulic Modelling in Dual Fluid Reactor Demonstrator: The Impact of Variable Turbulent Prandtl Number
Published 2025-01-01“…The results provide a framework for improving reactor design and operational strategies, ensuring enhanced safety and efficiency in next-generation nuclear systems. …”
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7233
Long term follow-up demonstrating stability and patient satisfaction of minimally invasive punch technique for percutaneous bone anchored hearing devices
Published 2018-11-01“…Methods A total of 12 adult patients who underwent MIPS between 2016 and 2017 with a minimum post-operative follow-up of 12 months were included in this study. …”
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7234
A Data Imputation Strategy to Enhance Online Game Churn Prediction, Considering Non-Login Periods
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7235
Influence of blood electrolyte levels on the risk of atrial fibrillation after cardiac surgery
Published 2024-04-01“…During the study period, 691 patients were operated on. Of these, 96 (13,9%) patients developed POAF, which made up group A (mean age 68,3±10,0). …”
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7236
Probabilistic Solar Proxy Forecasting With Neural Network Ensembles
Published 2023-09-01“…We investigate data manipulation methods (backwards averaging and lookback) as well as multi step and dynamic forecasting. …”
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7237
Nonlinear Dynamic Stability Analysis of Ground Effect Vehicles in Waves Using Poincaré–Lindstedt Perturbation Method
Published 2024-11-01“…This study offers a novel and practical method for predicting the dynamic stability of GEVs under realistic sea conditions, potentially enhancing safety and operational efficiency by mitigating the risks associated with porpoising.…”
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7238
Petroleum reservoir simulation using super-element method with local detalization of the solution
Published 2017-09-01“…The two-phase flow equations in the model of global dynamics operate with smooth averaged pressure and saturation fields, and they are solved numerically on a large computational grid of super-elements with a characteristic cell size of 200–500 m. …”
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7239
THE IMPACT OF A VORTEX GENERATOR ON A MIXTURE OF A JET WITH A MAINSTREAM FLOW OVER A FLAT PLATE
Published 2025-07-01“…The sst k-w turbulence model of the Reynolds-averaged Navier-Stokes method (RANS) is used to model the turbulent flow over a flat plate. …”
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7240
The Estimation of the Remaining Useful Life of Ceramic Plates Used in Iron Ore Filtration Through a Reliability Model and Machine Learning Methods Applied to Industrial Process Var...
Published 2025-07-01“…Through the use of the CRISP-DM data analysis methodology, the fault logs of ceramic plates applied in an iron ore filtration process are coupled with sensor readings of the process variables over the time of operation to create exponential survival models via two techniques: a multiple linear regression model with averaged data and a random forest regression machine learning model with individual instant data. …”
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