Acoustic transducer in system for gas temperature measurement in gas turbine engine

DeSilva, Upul P.; Claussen, Heiko

Title: Acoustic transducer in system for gas temperature measurement in gas turbine engine

Patent · Tue Jul 04 00:00:00 EDT 2017

OSTI ID:1368202

DeSilva, Upul P.; Claussen, Heiko

An apparatus for controlling operation of a gas turbine engine including at least one acoustic transmitter/receiver device located on a flow path boundary structure. The acoustic transmitter/receiver device includes an elongated sound passage defined by a surface of revolution having opposing first and second ends and a central axis extending between the first and second ends, an acoustic sound source located at the first end, and an acoustic receiver located within the sound passage between the first and second ends. The boundary structure includes an opening extending from outside the boundary structure to the flow path, and the second end of the surface of revolution is affixed to the boundary structure at the opening for passage of acoustic signals between the sound passage and the flow path.

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Research Organization:: SIEMENS ENERGY, INC. Orlando, FL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42644

Assignee:: SIEMENS ENERGY, INC.

Patent Number(s):: 9,696,216

Application Number:: 14/639,563

OSTI ID:: 1368202

Resource Relation:: Patent File Date: 2015 Mar 05

Country of Publication:: United States

Language:: English

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