Aerodynamic Analyses on the Steady and Unsteady Loading-Noise Sources of Drone Propellers
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-019-00176-3
Abstract: This study investigated the small drone propeller noise, particularly the discrete blade passing frequency (BPF) tone and its harmonics at low frequencies less than 1000 Hz. The unsteady Reynolds-averaged Navier–Stokes equations were solved to investigate… read more here.
Keywords: unsteady loading; steady unsteady; harmonics; loading noise ... See more keywords
Steady and unsteady aerodynamic forces on a long-span membrane structure
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2019.06.018
Abstract: Abstract This paper reports the steady and unsteady (motion-induced) aerodynamic forces on long-span roofs based on computational fluid dynamics (CFD) analysis with a large eddy simulation (LES). Three types of roofs, i.e., flat, cylindrical, and… read more here.
Keywords: long span; forces long; steady unsteady; roof ... See more keywords
Steady and Unsteady Forced Convective Heat Transfer Analysis in 180 Degree Bend
Sign Up to like & getrecommendations! Published in 2019 at "Heat Transfer Engineering"
DOI: 10.1080/01457632.2019.1675248
Abstract: Abstract Numerical studies on fluid flow and heat transfer through a two-dimensional 180-degree sharp bend are performed using an in-house code based on streamline upwind Petrov-Galerkin finite element method. A new geometric parameter called inlet… read more here.
Keywords: bend; transfer; heat transfer; steady unsteady ... See more keywords