Accession Number : AD0388236

Title :   FLUIDIC SENSORS FOR TURBINE ENGINES.

Descriptive Note : Final rept. Jun 66-Sep 67,

Corporate Author : GENERAL ELECTRIC CO CINCINNATI OH FLIGHT PROPULSION DIV

Personal Author(s) : Rexford, Donald L. ; Corbin, Trice W.

Report Date : NOV 1967

Pagination or Media Count : 267

Abstract : A concept is described for a turbojet engine data gathering system using fluidic devices. The fluidic system is engine mounted and sends data into a central electronic system (not described) for analysis, computations, and storage. The engine mounted equipment consists of fluidic sensors, transmission lines, computational, timing, data handling circuits, local short time storage devices, and interface equipment. It is estimated to weight 59.1 pounds installed and operates in a fluidically controlled environment at 1100 R (except sensors and transmission lines). The higher temperature environment capabilities of fluidic devices versus equivalent electronic devices is discussed. The design, construction, and laboratory testing of three prototype fluidic high range temperature sensors is described in detail. The sensors are rated for continuous duty with a supply gas pressure of 50 to 300 psig giving + or - 0.57% change in sensor output over this range. The sensors are dual oscillator with a beat frequency detector. Steady-state calibration and transient response curves are given. The sensors were designed to be tested on operating ground test turbojet engines.

Descriptors :   *FLUIDICS, *DETECTORS, *TURBOJET ENGINES, CHECKOUT EQUIPMENT, AUTOMATIC, DATA PROCESSING, FAILURE, MONITORS, LOGIC CIRCUITS, TURBINE COMPONENTS, COMBUSTION CHAMBERS.

Subject Categories : Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE