Fiber optic speed sensor for advanced gas turbine engine control

Deepak Varshneya; John L. Maida Jr.; Mark A. Overstreet

doi:10.1117/12.24742

1 February 1991 Fiber optic speed sensor for advanced gas turbine engine control

Deepak Varshneya, John L. Maida Jr., Mark A. Overstreet

Proceedings Volume 1367, Fiber Optic and Laser Sensors VIII; (1991) https://doi.org/10.1117/12.24742
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

A fiber optic speed sensor (FOSS) has been developed, bench tested and rig tested in a real turbine airflow environment. The FOSS employs an innovative design using a pressure tube and fiber optic microbend transducer in order to capture turbine blade pass wake frequency. The blade pass frequency can be converted by a signal processor into turbine rotational speed. The FOSS offers unique potential to meet future requirements for performance (0 to 25 KHz) and environmental tolerance (1200 F temperatures and EMI/EMP threats). Future efforts include development of the signal processor and environmental/durability testing focused on developing reliable, long life operation in the hostile environment of an advanced gas turbine engine.

Citation Download Citation

Deepak Varshneya, John L. Maida Jr., and Mark A. Overstreet "Fiber optic speed sensor for advanced gas turbine engine control", Proc. SPIE 1367, Fiber Optic and Laser Sensors VIII, (1 February 1991); https://doi.org/10.1117/12.24742

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