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301
Nonlinear Random Response Analyses of Panels Considering Transverse Shear Deformations under Combined Thermal and Acoustic Loads
Published 2018-01-01“…The panel structures of flight vehicles at supersonic or hypersonic speeds are subjected to combined thermal, acoustic, and aerodynamic loads. Because of the combined thermal and acoustic loads, the panel structure may exhibit nonlinear random vibration responses, such as the snap-through phenomenon and random vibrations. …”
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302
Long-term Measurements of PM2.5 Concentrations in Lubbock, Texas
Published 2020-04-01“…Abstract Aerosol particles, such as PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm), are an important yet variable component of our atmosphere; their presence defines the air quality and profoundly affects human health. …”
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303
New Method for Analyzing the Flutter Stability of Hingeless Blades with Advanced Geometric Configurations in Hovering
Published 2020-01-01“…The MDLM, which is suitable to calculate the unsteady aerodynamic force of nonplanar rotor blade in hovering, is developed from the doublet-lattice method (DLM). …”
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304
Impact of monthly air pollution and weather conditions on cardiorespiratory mortality in Portuguese Metropolitan Areas
Published 2025-02-01“…Abstract This study analyses cardiorespiratory mortality rates (CARDIO) and their association with air pollutants - particulate matter with aerodynamic diameters lower of equal to 10 or 2.5 (µm) (PM10, PM2.5), carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3) - and meteorological variables (temperature, humidity, wind speed, direction) in the Lisbon (LMA) and Porto (PMA) metropolitan areas from 2011 to 2020. …”
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305
Research on SiC Speed Controller for High-Voltage Distributed Electric Propulsion System
Published 2024-01-01“…Despite its advantage which helps to build efficient aircraft aerodynamic layout, there are more cables in the distributed propulsion system, which accounts for most of the weight of the aircraft. …”
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306
Multiple PM Low-Cost Sensors, Multiple Seasons’ Data, and Multiple Calibration Models
Published 2023-02-01“…Abstract In this study, we combined state-of-the-art data modelling techniques (machine learning [ML] methods) and data from state-of-the-art low-cost particulate matter (PM) sensors (LCSs) to improve the accuracy of LCS-measured PM2.5 (PM with aerodynamic diameter less than 2.5 microns) mass concentrations. …”
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307
A Novel Sustainable Semiconductor/Metal-organic Framework Coated Electret Filter for Simultaneous Removal of PM2.5 and VOCs
Published 2023-03-01“…Abstract A MIL-125-NH2 metal-organic framework (MOF) coated electret filter, named E-MOFilter, was previously developed to simultaneously remove PM2.5 (particulate matter less than 2.5 µm in aerodynamic diameter) and volatile organic compounds (VOCs, e.g., toluene). …”
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308
Finite element analysis and artificial neural network for stress distribution of an aircraft model in a wind tunnel
Published 2025-01-01“…Wind tunnels are instrumental in the aerodynamic analysis of aircraft model structures, enabling the replication of real circumstances for better design and performance evaluation. …”
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309
Possibility-Based Sizing Method for Hybrid Electric Aircraft
Published 2025-01-01“…Sensitivity analysis shows that aerodynamic design, airframe, and propulsion efficiencies significantly impact maximum takeoff mass. …”
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310
Assessment of Malaysia-wide PM2.5 Forecasts from a Global Model
Published 2023-06-01“…Abstract Airborne particulate matter with an aerodynamic diameter of less than 2.5 µm (PM2.5) is a major air pollutant worldwide. …”
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311
DEVELOPMENT OF A NEW GENERATION OF TORNUM REX MINING GRAIN DRYERS AND THEIR DESIGN METHODS
Published 2024-12-01“…Based on the results obtained and the aerodynamic analysis of air flows, the design of a new generation TORNUM REX series grain dryer was developed. …”
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312
Improving WRF-Chem PM2.5 predictions by combining data assimilation and deep-learning-based bias correction
Published 2025-01-01“…In numerical model simulations, data assimilation (DA) on the initial conditions and bias correction (BC) of model outputs have been proven to be promising approaches to improving PM2.5 (particulate matter with an aerodynamic equivalent diameter of ≤ 2.5 μm) predictions. …”
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313
Main Rotor Wake Interference Effects on Tail Rotor Thrust in Crosswind
Published 2021-01-01“…Results indicated that the MR disc vortex has a remarkable interference effect on the TR aerodynamic performance characteristic and that the effect is sensitive to the wind speed, wind direction, and MR disc loading. …”
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314
Association of extreme high temperature weather with non-accidental deaths among residents of Yichang city: a time-stratified case-crossover analysis
Published 2024-10-01“…After controlling for relative humidity (RH), fine particulate matter ≤ 2.5 μm in aerodynamic diameter (PM2.5), inhalable particulate matter ≤ 10 μm in aerodynamic diameter (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3), carbon monoxide (CO), and the gender and age of the deceased, the time-stratified case-crossover analysis showed that all nine extreme high temperature events were positively correlated with increased risk of non-accidental deaths among Yichang residents, with a lag effect Except for the P92.5-2 d and P92.5-3 d events, which lasted until lag day 3, the effects of the other seven extreme high temperature events lasted until lag day 1. …”
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315
Association between short-term exposure to air pollutants and daily stroke incidence among residents in Qingdao city: a time series analysis of disease surveillance, environmental,...
Published 2024-10-01“…The distributed Lag nonlinear model (DLNM) was used to analyze the associations between daily mean concentrations of particulate matter with an aerodynamic diameter of less than 2.5 mum (PM2.5), particulate matter with an aerodynamic diameter of less than 10 mum (PM10), carbon monoxide (CO), ozone (O3), sulfur dioxide (SO2), and nitrogen dioxide (NO2) with daily stroke incidence, while controlling for the effects of potential confounders such as long-term trend and day of the week in Qingdao city. …”
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316
Air Pollution Mediates the Association between Human Mobility and COVID-19 Infection
Published 2021-12-01“…We observed that levels of particulate matter with an aerodynamic diameter of < 10 µm (PM10), PM2.5, NO2, and CO mediated associations of walking, driving, and using public transport with confirmed COVID-19 cases (p < 0.05). …”
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317
Design of Ice Tolerance Flight Envelope Protection Control System for UAV Based on LSTM Neural Network for Detecting Icing Severity
Published 2025-01-01“…Icing on an unmanned aerial vehicle (UAV) can degrade aerodynamic performance, reduce flight capabilities, impair maneuverability and stability, and significantly impact flight safety. …”
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318
Comparison of PM2.5 Chemical Compositions during Haze and Non-haze Days in a Heavy Industrial City in North China
Published 2020-05-01“…Abstract This study aimed to determine the chemical composition, sources and contributing factors of airborne PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm) during a haze episode in Zibo, a heavy industrial city in China. …”
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319
Study of Wind Loads and Wind Speed Amplifications on High-Rise Building with Opening by Numerical Simulation and Wind Tunnel Test
Published 2020-01-01“…Facade openings have often been used as aerodynamic measures for wind-resistant design of high-rise buildings to meet the requirement of structural safety and comfort. …”
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320
Investigation of the Normal Blowing Approach to Controlling Wingtip Vortex Using LES
Published 2021-01-01“…The characteristics and control of a wingtip vortex are of great significance when considering drag reduction and flight safety of transportation aircrafts. The associated aerodynamic phenomenon resulting from rolling up of a wingtip vortex includes boundary layer flow, shear layer separation, and vortex breakdown, while the interaction of a wingtip vortex with the airframe causes induced drag, wingtip noise, etc. …”
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