Identification of Flap Motion Parameters for Vibration Reduction in Helicopter Rotors with Multiple Active Trailing Edge Flaps by Uğbreve;ur Dalli, Şcedilefaatdin Yüksel

“…A computer program is developed to calculate the system response, rotor blade root forces and moments under aerodynamic forcing conditions. Rotor blade system response is calculated using the proposed solution method and the developed program depending on any structural and aerodynamic properties of rotor blades, structural properties of trailing edge flaps and properties of trailing edge flap actuator inputs. …”
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Concentration of Particulate Matter and Air Humidity in Pediatric Intensive Care Unit by Pasaribu Hotber Edwin Rolan, Afandi Dedi, Hamidy Yulis

“…The quality of indoor air is partly determined by the levels of PM2.5 (particles with an aerodynamic diameter ≤2.5μ m) and PM10 (particles with an aerodynamic diameter d ≤10 μm) and humidity. …”
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Performance Enhancement in Horizontal Axis Wind Turbine Using Blade With Split by Adilkhan Tuken, Cemil Yigit

“…ABSTRACT The positive effects of passive flow control on the blade that uses various methods on the aerodynamic performances of horizontal axis wind turbines (HAWTs) are well‐known. …”
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Structure Dynamic Response of Amphibious Aircraft Induced by Water-Taxiing by Jihang Lyu, Rong Yang, Lingcai Huang

“…The significant dynamic response under the combined impact of aerodynamic and hydrodynamic forces could be likely to appear because of the structural flexibility, when taxiing on the water surface for amphibious aircraft. …”
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Disturbance Observer-Based Adaptive Control of Hypersonic Vehicles with Constrained Actuators by Guan Wang, Li Li, Weihua Li, Huajun Zhou, Changbo Ma, Hongwei Xia

“…For the altitude subsystem, the magnitude/rate constraints and the dynamics of aerodynamic control surfaces are addressed by the control allocation module. …”
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Calculation of the Hinge Moments of a Folding Wing Aircraft during the Flight-Folding Process by Hao Xu, Jinglong Han, Haiwei Yun, Xiaomao Chen

“…The user subroutine is utilized, aerodynamic loading is realized in ADAMS, and an aeroelastic flight simulation platform of a folding wing aircraft is built. …”
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Nanocrystal Agglomerates of Curcumin Prepared by Electrospray Drying as an Excipient-Free Dry Powder for Inhalation by Shahram Emami, Zahra Hemmati, Shadi Yaqoubi, Hamed Hamishehkar, Amin Alvani

“…The in vitro deposition studies were conducted using next-generation impactor (NGI) and aerosol performance and aerodynamic particle size parameters were calculated for prepared formulations. …”
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Le fond plat, avenir prometteur de l’aérostation by Béesau, Christophe

“…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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Two-Degree Vibration Analysis of a Horizontal Axis Turbine Blade by Finite Differential Methods by Youfeng Zhu, Hongyu Zang, Xiaofei Kong, Peng Ban

“…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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Flight Path Reconstruction and Parameter Estimation Using Output-Error Method by Benedito Carlos de Oliveira Maciel, Luiz Carlos Sandoval Góes, Elder Moreira Hemerly, Nei Salis Brasil Neto

“…This method is also applied to obtain the aerodynamic and control derivatives of a regional jet aircraft from flight test data with measurement noise and bias. …”
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Drug Concentrations in the Air and their Influencing Factors in a Pediatric Intensive Care Unit by Hui-Yun Tseng, Yi-Ting Tsai, Ying-Shiuan Su, Po-Pei Peng, Gwo-Hwa Wan

“…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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Profiling Near-surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity by Brian Jackson, Lori Fenton, Travis Brown, Asier Munguira, German Martinez, Claire Newman, Daniel Viúdez-Moreiras, Matthew Golombek, Ralph Lorenz, Mark D. Paton, Dylan Conway

“…An improved model for Ingenuity’s aerodynamic response that includes the effects of transient winds may also modify our results. …”
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Studi performa aerodinamis turbin hidrokinetik Savonius dengan 2 semicircular blade-sharp leading edge by Khoiri Rozi, Berkah Fajar, M. Rasyid

“…<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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Design of Round-Nozzle Inertial Impactors Review with Updated Design Parameters by Francisco J. Romay, Estíbaliz García-Ruiz

“…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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Mathematical Analysis of the Effect of Rotor Geometry on Cup Anemometer Response by Ángel Sanz-Andrés, Santiago Pindado, Félix Sorribes-Palmer

“…The comparison with the experimental data indicates a nonuniform distribution of aerodynamic forces on the rotating cups, with higher forces closer to the rotating axis. …”
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A Review on Performance Calculation and Design Methodologies for Horizontal-Axis Wind Turbine Blades by Rongyu Zha, Siyuan Wu, Chang Cai, Xiaohui Liu, Dian Wang, Chaoyi Peng, Xuebin Feng, Qiuhua Chen, Xiaohui Zhong, Qing’an Li

“…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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Trends in Air Pollutant Concentrations and the Impact of Meteorology in Shandong Province, Coastal China, during 2013–2019 by Na Zhao, Gang Wang, Guohao Li, Jianlei Lang

“…., 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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Electrically Controlled Rotor Blade Vortex Interaction Airloads and Noise Analysis Using Viscous Vortex Particle Method by Taoyong Su, Yang Lu, Jinchao Ma, Shujun Guan

“…Based on the present prediction model, the aerodynamic and acoustic characteristics of a sample ECR in BVI condition are analyzed. …”
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Sliding Mode Observer and Control Design with Adaptive Parameter Estimation for a Supersonic Flight Vehicle by M. Bahrami, B. Ebrahimi, G. R. Ansarifar

“…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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Quasi-Steady Analytical Model Benchmark of an Impulse Turbine for Wave Energy Extraction by A. Thakker, J. Jarvis, A. Sahed

“…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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