Tutorial, test measurement accuracy
Abstract
The paper describes a standard method of treating measurement error or uncertainty for gas turbine engine performance parameters, such as thrust, airflow, and thrust specific fuel consumption. Statistical concepts and mathematical procedures are explained, and an uncertainty model is presented in mathematical, graphical, and block diagram form with a numerical example of model use. In the example, uncertainties are computed for net thrust, fuel flow, and thrust specific fuel consumption.
- Publication:
-
NASA STI/Recon Technical Report A
- Pub Date:
- 1977
- Bibcode:
- 1977STIA...7817409A
- Keywords:
-
- Engine Tests;
- Error Analysis;
- Gas Turbine Engines;
- Instrument Errors;
- Thrust Measurement;
- Bias;
- Calibrating;
- Decision Making;
- Fuel Consumption;
- Mathematical Models;
- Propulsion System Performance;
- Random Errors;
- Standard Deviation;
- Instrumentation and Photography