Data Adaptive Spectral Analysis of Unsteady Leakage Flow in an Axial Turbine

Table 1

Main characteristics of the test turbine.

Pressure ratio	1.32	Mass flow	9.86 kg/sec
Max. power	400 kW	Turbine speed	2700 rpm
𝑇inlet	40°C	𝑝exit	Ambient
Mach	0.1–0.4	Reynolds number	10^5
Number of blades on rotor/stator	42	Tip diameter	800 mm
Blade passing frequency	1890 Hz	Blade aspect ratio	1.8