Мain technical parameters

Flow velocity	М 0.15–1.1
Reynolds number per 1 m	up to 35·106
Total pressure	50–500 kPa
Dynamic pressure	up to 58 kPa
Stagnation temperature	290–330 К
Angle of attack (α):
Electric-mechanical balance	–10°–40°
In-model strain-gauge balance	0°–90°
Model dimensions:
Wing span	up to 1.7 m
Length	up to 2.2 m
Wing area	up to 0.5 m2
Model weight	up to 250 kg
Test section dimensions:
Cross section diameter	2.48 m
Test section length	4.48 m
Porosity coefficient of test section walls	15%
Download PDF

General description:

T-106 is a close-layout, continuous-operation, variable-density wind tunnel designed for investigating aerodynamic characteristics of aircraft models and flight vehicle components at subsonic and transonic velocities. The flow is generated by a compressor with an electric drive of 32 MW.

Test section with a circular cross-section and perforated walls is equipped with an electric-mechanical balance and a set of in-model strain-gauge balances for measuring aerodynamic forces and moments of models and their elements, and with supporting devices of 3 types (strip suspension, tail sting and under-fuselage strut).

The wind tunnel is equipped with automated computation and measurement complex for data monitoring, registration, acquisition, and processing during the experiment.

Capabilities:

The following types of tests can be carried out in T-106:

• electric-mechanical and strain-gauge balance measurements of total aerodynamic characteristics of aircraft models and their elements;
• measurement of pressure distribution along the model surface using electronic pressure modules for 1000 points;
• determination of characteristics of inlet models and aircraft models with the flow passing through the internal channels of thenacelles;
• investigation of the models with simulation of the high-pressure jets (power plant nozzles, including those of variable thrust vector,jet flaps, etc.;
• investigation of characteristics of aircraft models static and dynamic aeroelasticity;
• test of half-models on a special supporting device;
• investigation of wing profiles;
• physical investigations.

Application:

During 70 years T-106 has been one of the most loaded TsAGI’s facilities for investigating different-application flight vehicles at high subsonic and transonic velocities.