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181
Flow Analysis of a 300 MW F-Class Heavy-Duty Gas Turbine 1.5 Stage Compressor
Published 2024-12-01“…The axial compressor is crucial for heavy-duty gas turbines, with its aerodynamic performance directly affecting efficiency. …”
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182
Sensors on Flapping Wings (SOFWs) Using Complementary Metal–Oxide–Semiconductor (CMOS) MEMS Technology
Published 2025-01-01“…A comprehensive investigation was conducted on integrating CMOS MEMS flow sensors on the leading edge of the mean aerodynamic chord (m.a.c.) of the flexible 70-cm-span flapping wings. …”
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183
Drug Concentrations in the Air and their Influencing Factors in a Pediatric Intensive Care Unit
Published 2024-02-01“…This study revealed that the average concentrations of CO2, PM10 (an aerodynamic diameter equal to or less than 10 µm), and PM2.5 (an aerodynamic diameter less than 2.5 µm) in the PICU met Taiwan’s Ministry of Environment (MOENV) indoor air quality standards. …”
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184
Trends in Air Pollutant Concentrations and the Impact of Meteorology in Shandong Province, Coastal China, during 2013–2019
Published 2021-02-01“…., sulfur dioxide [SO2], carbon monoxide [CO], particulate matter [PM] with an aerodynamic diameter of < 10 µm [PM10], PM with an aerodynamic diameter of < 2.5 µm [PM2.5], nitrogen dioxide [NO2], and ozone [O3]) were analyzed for the period of 2013–2019, when overall emissions of air pollutants decreased, and the Weather Research and Forecasting model coupled with Chemistry (WRF/Chem) was applied to evaluate the role of inter-annual and seasonal meteorological changes. …”
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185
Electrically Controlled Rotor Blade Vortex Interaction Airloads and Noise Analysis Using Viscous Vortex Particle Method
Published 2019-01-01“…Based on the present prediction model, the aerodynamic and acoustic characteristics of a sample ECR in BVI condition are analyzed. …”
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186
Le fond plat, avenir prometteur de l’aérostation
Published 2024-11-01“…However, a patent modifying the profile of the aircraft’s bottom provides a solution to this problem that is as elegant as it is effective, and changes the game by giving the aircraft outstanding aerodynamic properties.…”
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187
Blade pitching in vertical axis wind turbines: A double multiple stream tube theoretical approach to performance enhancement
Published 2025-02-01“…This study addresses these challenges by proposing a novel variable blade pitching mechanism that dynamically adapts to changing wind conditions, optimizing the aerodynamic performance, and enhancing the torque and overall performance of VAWT rotor. …”
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188
Analytical Equations for Thermoacoustic Instability Sources and Acoustic Radiation from Reacting Turbulence
Published 2020-01-01“…We identify both combustion-combustion and combustion-aerodynamic interaction source terms. Both classical combustion noise theory and classical Rayleigh criterion are recovered from the presently developed more general theory. …”
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189
Theoretical Analysis of Isentropic Exponent Effects on the Internal Flow of Supercritical CO2 Centrifugal Compressors
Published 2022-01-01“…The isentropic exponent in the near-critical region can sharply change with operation condition transitions of a closed Brayton cycle, thus having significant impacts on the compressor aerodynamic performance and the internal flow of the compressor embedded into the cycle. …”
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190
Design of Round-Nozzle Inertial Impactors Review with Updated Design Parameters
Published 2023-02-01“…Abstract Round-nozzle inertial impactors are widely used aerosol measuring instruments to characterize the mass and chemical composition of airborne aerosol particles as a function particle aerodynamic diameter. This article summarizes the most important design considerations with updated recommended design parameters taken from our review of published research articles and discusses some of the more common non-idealities seen in the operation and performance of inertial impactors. …”
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191
Two-Degree Vibration Analysis of a Horizontal Axis Turbine Blade by Finite Differential Methods
Published 2018-01-01“…Two-degree vibration partial differential equations of large horizontal axis turbine blades were established by Kallesøe’s model and Greenberg unsteady aerodynamic theory. By means of the finite difference discretization and cantilever beam boundary condition, the equations of blades can be simplified as a general vibration system. …”
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192
Studi performa aerodinamis turbin hidrokinetik Savonius dengan 2 semicircular blade-sharp leading edge
Published 2022-04-01“…<p><em>This current investigation was conducted to study the aerodynamic characteristics of Savonius hydrokinetics turbine with semicircular blade-sharp leading edge. …”
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193
A Review on Performance Calculation and Design Methodologies for Horizontal-Axis Wind Turbine Blades
Published 2025-01-01“…Therefore, this paper reviews the performance calculation and design methodologies of horizontal-axis wind turbine blades from three aspects: aerodynamic design, structural design, and coupled aero-structural design. …”
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194
Influence of Segmented Linings on the Micro-Pressure Wave of Tunnels
Published 2023-01-01“…In this study, a three-dimensional numerical method is performed to study the aerodynamic effects caused by the train passing through a tunnel with segmented linings at 350 km/h. …”
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195
Sliding Mode Observer and Control Design with Adaptive Parameter Estimation for a Supersonic Flight Vehicle
Published 2010-01-01“…Large parameter uncertainties accommodation envisaged by designing adaptive mechanisms for both the control and observer and high chattering authority due to large deviations of aerodynamic coefficients arising from wind-tunnel measurements are inhibited. …”
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196
Quasi-Steady Analytical Model Benchmark of an Impulse Turbine for Wave Energy Extraction
Published 2008-01-01“…This work presents a mean line analysis for the prediction of the performance and aerodynamic loss of axial flow impulse turbine wave energy extraction, which can be easily incorporated into the turbine design program. …”
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197
Profiling Near-surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity
Published 2025-01-01“…An improved model for Ingenuity’s aerodynamic response that includes the effects of transient winds may also modify our results. …”
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198
Association between Air Pollution and Risk of Hospital Admission for Pediatric Pneumonia in a Tropical City, Kaohsiung, Taiwan
Published 2022-06-01“…Data on PM2.5 (PM with an aerodynamic diameter smaller than 2.5 µm), PM10 (PM with an aerodynamic diameter smaller than 10 µm), sulfur dioxide (SO2), nitrogen dioxide (NO2), and ozone (O3) in each of the 11 air monitoring stations in Kaohsiung city were collected. …”
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199
Control Application of Piezoelectric Materials to Aeroelastic Self-Excited Vibrations
Published 2014-01-01“…In aeroelastic self-excited vibrations, the aerodynamic generalized force of a specified mode can be described as a linear function of the generalized coordinate and its derivatives. …”
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200
Inviscid and Viscous Interactions in Subsonic Corner Flows
Published 2013-01-01“…To characterize the aerodynamic performance of a deflected surface in compressible flows, the present study examines a naturally developed turbulent boundary layer past the convex and concave corners. …”
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