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Products | Fluid Mechanics and Hydrology | Fundamentals of Aerodynamics and Airflow | HM 170 | HM 170.20

HM 170.20

Flutter Wing Model

Technical Description

The wing is suspended flexibly with 8 springs in an external frame to permit torsional and transverse oscillation of the wing. The frame is simply attached with screws in the measurement section of the wind tunnel. Attachment points on the frame prevent excessive deflection of the wing during the execution of the experiment. The springs can be attached at various positions on the wing and frame in order to set different torsion rigidity levels.

Learning Objectives / Experiments

Examination of fluttering oscillation on wings

The use of a stroboscope permits the observation of the natural forms of the oscillating wing.

Features

Model for examination of self-starting oscillation in aerodynamics

Specification

[1] Model for examination of self-starting oscillation
[2] Wing section NACA 15, l x w x h 200x100x15mm, symmetrical
[3] Weight of wing 0.157kg
[4] Rigidity per spring 27N/m
[5] Total rigidity, transverse 216N/m

Technical Data

Wing NACA 15, l x w x h 200x100x15mm
Weight: 0.157kg
Mass moment of inertia: 1.07 10-4kgm²
Total rigidity, transverse: 216N/m
Torsional rigidity: 0.07..0.28Nm/rad

Dimensions and Weight

l x w x h: 300 x 145 x 120 mm
Weight: 3 kg

Scope of Delivery

1 model with suspension and frame, experiment instructions

Order Details

070.17020 HM 170.20 Flutter Wing Model