MEASUREMENT OF TOTAL PRESSURE AND TOTAL TEMPERATURE IN A TURBINE ENGINE

摘要

The subject of the invention is a method for testing and / or controlling the operation of an axial turbomachine (2) traversed by a gas stream (18), comprising the following actions: measurement of operating parameters of the turbomachine, said parameters comprising the pressure in the gas stream at different axial positions; calculation of operating conditions of the turbomachine on the basis of the measured parameters and of the Laplace coefficient γ of the gas passing through the turbomachine; wherein the measurement of parameters comprises a temperature measurement of the gas stream (18); and the calculation of operating conditions comprises a determination of the Laplace coefficient γ based on the measurement of the temperature of the gas stream (18).