Results 21 to 30 of about 5,415,034 (233)

Research on Wind Tunnel Test of Aerodynamic Characteristics of Missile under Subtransonic Velocity

open access: yesHangkong gongcheng jinzhan, 2020
In the process of missile design, the aerodynamic characteristics of missile as an important factor directly affect the dynamic quality of missile flight. In the case of severe nonlinearity of aerodynamic characteristics in subsonic and transonic regions,
PENG Bo, CEN Mengxi
doaj   +1 more source

Aerodynamic interference between two boxes in parallel arrangement and flow field characteristics around the girder

open access: yesAdvances in Bridge Engineering, 2022
Aerodynamic characteristics of long-span bridges with box girders have been investigated widely, and this paper presents a study on a cable-stayed bridge with two box girders in parallel arrangement.
Shuwen Fan   +3 more
doaj   +1 more source

Dynamic Characteristics of Unsteady Aerodynamic Pressure on an Enclosed Housing for Sound Emission Alleviation Caused by a Passing High-Speed Train

open access: yesApplied Sciences, 2022
Train speed is increasing due to the development of high-speed railway technology. However, high-speed trains generate more noise and discomfort for residents, enclosed housing for sound emission alleviation is needed to further reduce noise.
Haiquan Jing   +5 more
doaj   +1 more source

A new method for predicting the vortex induced aerodynamic characteristics of a body of revolution [PDF]

open access: yes, 1995
The problem of mathematically modelling the symmetric vortex pair formed on the lee side of a body of revolution at moderate incidence to the freestream direction is addressed with a view to predicting its aerodynamic characteristics.
Smith, Howard
core   +7 more sources

A research on aerodynamic characteristics of non-pneumatic tire

open access: yesMechanics & Industry, 2021
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   +1 more source

Safety Analysis of Aircraft Icing Detection System Based on Fault Tree

open access: yesHangkong gongcheng jinzhan, 2018
Aircraft icing detection system is very important to guarantee flight safety. It is also a new problem to assess safety of the aircraft icing detection system.
Wang Xiaohui   +3 more
doaj   +1 more source

Study on Interior Aerodynamic Noise Characteristics of the High-Speed Maglev Train in the Low Vacuum Tube

open access: yesApplied Sciences, 2022
As the next-generation high-speed transportation system, the low vacuum tube high-speed maglev system combines the tube with a certain degree of vacuum with the high-speed maglev train, which can realize high-speed operation under low aerodynamic ...
Jiali Liu   +3 more
doaj   +1 more source

Numerical Investigation on Aerodynamic Drag and Noise of Pantographs with Modified Structures [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
It is well known that the pantograph, which works as a complex component of high-speed trains, is an important source of aerodynamic drag and aerodynamic noise of a high-speed train (HST) that can affect HST performance, comfort for passengers, and ...
Y. Yao   +5 more
doaj   +1 more source

The Aerodynamic Effects of Runback Ice [PDF]

open access: yes, 2013
The objectives of this PhD were to investigate the aerodynamic performance effects due to runback ice accretion with particular interest on the EASA 45 minute hold case in icing conditions. The sponsors, Airbus and Cranfield University collaboratively
Parmar, Krishan
core   +6 more sources

New Aerodynamic Studies of an Adaptive Winglet Application on the Regional Jet CRJ700

open access: yesBiomimetics, 2021
This study aims to evaluates how an adaptive winglet during flight can improve aircraft aerodynamic characteristics of the CRJ700. The aircraft geometry was slightly modified to integrate a one-rotation axis adaptive winglet.
Marine Segui   +3 more
doaj   +1 more source

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