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RISThe Influences of the Rotor Waviness on the Hydrodynamic Characteristics of Gas Porous Bearings With Mixed Computational Fluid Dynamics Boundary Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Manufacturing errors impacted the gas porous bearing's performance, particularly the waviness on the rotor surface that repeatedly squeezed the gas film during rotation. This study investigated the effects of waviness ...
Experimental Study of the Hydraulic Characteristics and Filter Effect of Series Combined Mesh Filters in a Water-Saving Irrigation Head
Publisher: American Society of Civil Engineers
Abstract: AbstractThis study examined the graded filtration properties of prepump and postpump series
mesh filters in real irrigation projects and enhanced the sand retention efficiency.
To achieve this, orthogonal tests and full-scale ...
Assessing the Influence of Regional SST Modes on the Winter Temperature in China: The Effect of Tropical Pacific and Atlantic
Publisher: American Meteorological Society
Abstract: his study investigates the influence of different sea surface temperature (SST) modes on the winter temperature in China using the generalized equilibrium feedback assessment (GEFA). It is found that the second EOF mode ...
Mechanism Analysis of the Effect of Wake Vortex on Cylinder Vibration in Flow Induced Motion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Unsteady Reynolds-averaged Navier–Stokes (RANS) method combined with Spalart–Allmaras turbulence model and dynamic mesh technology was used to investigate the impact of wake vortex on the vibration response of a cylinder. ...
The Influences of the Rotor Waviness on the Hydrodynamic Characteristics of Gas Porous Bearings With Mixed Computational Fluid Dynamics Boundary Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Manufacturing errors impacted the gas porous bearing's performance, particularly the waviness on the rotor surface that repeatedly squeezed the gas film during rotation. This study investigated the effects of waviness ...
Numerical Investigation of Aerodynamic Characteristics of Parked Aircraft Influenced by Near-Surface Wind Field Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The near-surface wind field has a significant impact on the stability of parked aircraft at airports. This study employs the Reynolds-averaged Navier–Stokes (RANS) shear stress transport (SST) modeling approach ...
Safety Assessment of Protection Cover under the Blast Pressure of Aircraft Tire Blowout
Publisher: American Society of Civil Engineers
Abstract: The protection cover is an important equipment installed in the main landing gear cabin to protect the hydraulic lines and equipment. To assess the safety of the protection cover, the authors conducted an experimental and ...
Cracking Performance of an Operational Tunnel Lining Due to Local Construction Defects
Publisher: American Society of Civil Engineers
Abstract: Local defects, such as surround cavities and insufficient thickness of the tunnel lining due to imperfect construction, will lead to local discontinuity in the ground–lining interaction. This study investigated the mechanical ...