In the framce of project "Large infrastructures" (LM2011016), which is financially supported by the Ministry of Education, runs until the end of 2016 an extensive renovation of low-speed wind tunnel 3mLSWT in VZLU. During this year, the old fan was fully replaced by new. The new power unit is composed of a single-stage axial fan with composite blades, which were made by subsidiary VZLU TECHNOLOGIES, a.s.
Reconstruction will continue with installing the cooling air flow test, the reconstruction of substations, and complete replacement of the management system.
Features of the new fan and power unit:
• motor drive unit weighs 16 tons
• new engine fan power is 1610 kW
• diameter of the new fan is designed up to 4120 mm
• velocity in the measuring chamber is up to 88 m/s