The need for a simple and inexpensive method for field checking gas turbine meters exists. One such method called the “spin test” is described in this paper. The relationship between the change of “rotor coast time” of the spin test and the change of meter accuracy due to change of mechanical friction is formulated. Experimental results on two different 6-in. gas turbine meters are presented and show good agreement with analytical results.

Issue Section:
Research Papers
Topics:
Gas turbines, Particle spin, Rotation, Spin (Aerodynamics), Friction, Rotors, Shorelines
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