Helicopter airfoil aerodynamic characteristics and rotor trim in sandy environments
Zejian Huang,
Yihua Cao,
Yanyang Wang
Abstract:Purpose
The sandy environment is one of the typical environments in which helicopters operate. Air-sand two-phase flow in sandy environments may be an important factor affecting flight safety. Taking a typical example, this paper aims to investigate the aerodynamic and rotor trim characteristics of the UH-60 helicopter in sandy environments.
Design/methodology/approach
A computational study is conducted to simulate the air-sand flow over airfoils based on the Euler–Lagrange framework. The simulation uses the… Show more
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