International Journal of Aerospace Engineering / 2016 / Article / Tab 2

Research Article

Study on Helicopter Antitorque Device Based on Cross-Flow Fan Technology

Table 2

Definitions of geometric parameters.

DefinitionValue

Opening angle (°)90, 110, 130, 150
Outer radius of CFF (mm)100
Fan outlet height (mm)45
Blade mounting angle (°)0, 10, 20, 30
Blade chord (mm)25
Number of blades (piece)10, 12, 14, 16
Blade length (mm)500
Clearance between CFF and shell (mm)5