Results 11 to 20 of about 15,596,670 (337)
Analysis of the aerodynamic characteristics of the upper airway in obstructive sleep apnea patients. [PDF]
Background/purpose This study was designed to explore upper airway aerodynamic characteristics in individuals diagnosed with obstructive sleep apnea (OSA) and to evaluate correlations between these characteristics and other anatomical upper airway ...
Wen XL, Wu BZ, Li Y, Yi B, Peng X.
europepmc +2 more sources
A research on aerodynamic characteristics of non-pneumatic tire
Application of non-pneumatic tire (NPT) has been increased during the last decade. The aerodynamic characteristics of the wheel with NPT has been studied due to significance on improvement of handling and reduction of fuel consumption.
Li Hong +3 more
doaj +2 more sources
The effect of rapid maxillary expansion on the upper airway's aerodynamic characteristics. [PDF]
The effect of rapid maxillary expansion (RME) on the upper airway (UA) has been studied earlier but without a consistent conclusion. This study aims to evaluate the outcome of RME on the UA function in terms of aerodynamic characteristics by applying a ...
Feng X +4 more
europepmc +2 more sources
Background The ongoing outbreak of COVID-19 has spread rapidly and sparked global concern. While the transmission of SARS-CoV-2 through human respiratory droplets and contact with infected persons is clear, the aerosol transmission of SARS-CoV-2 has been
Liu Y +14 more
europepmc +2 more sources
With the continuous increase of train speeds, the aerodynamic drag force provided by aerodynamic braking plates can effectively solve problems of insufficient emergency braking force.
Yifan Li, Tian Li, Jiye Zhang
doaj +3 more sources
The comparison of aerodynamic and stability characteristics between conventional and blended wing body aircraft [PDF]
Aircraft with advanced wing geometry, like the flying wing or blended wing body configuration, seems to be the seed candidate of future aircraft. Compared with conventional aircraft, there are significant aerodynamic performance improvements because of ...
Wang, Faliang
core +7 more sources
Identification of longitudinal aerodynamic characteristics of a strake-wing micro aerial vehicle by using artificial neural networks [PDF]
Appropriate modeling of unsteady aerodynamic characteristics is required for the study of aircraft dynamics and stability analysis, especially at higher angles of attack.
Dariusz Rykaczewski +4 more
doaj +1 more source
Photovoltaic (PV) system is an essential part in renewable energy development, which exhibits huge market demand. In comparison with traditional rigid-supported photovoltaic (PV) system, the flexible photovoltaic (PV) system structure is much more ...
Fu-Bin Chen +4 more
semanticscholar +1 more source
Compared to detection methods employed by Mars rovers and orbiters, the employment of Mars UAVs presents clear advantages. However, the unique atmospheric conditions on Mars pose significant challenges to the design and operation of such UAVs. One of the
Wangwang Zhang +5 more
semanticscholar +1 more source
Influence of Marshalling Length on Aerodynamic Characteristics of Urban Emus under Crosswind
Urban electric multiple units (EMUs) is based on high-speed trains and metro vehicle technology. Their design speeds are generally from 160km/h to 200km/h, which mitigates the low operating speeds of metro vehicles. Traditional crosswind calculations for
H. Liang, Y. Sun, T. Li, J. Zhang
semanticscholar +1 more source

