| XU Chun-lei, PIAO Cheng-jie, WANG Liang, WANG Zhen-hua, Tian Ji-xiang.The Engine Low Pressure Turbine Blade Temperature Distribution Measurement Based on the InfraredPyrometer Technology[J].航空发动机,2018,44(1):75-78 |
| The Engine Low Pressure Turbine Blade Temperature Distribution Measurement Based on the InfraredPyrometer Technology |
| DOI： |
| Key Words:Infrared radiation pyrometer Aeroengine Turbine blade Measurement of temperature profile |
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| Abstract:To know the temperature distribution of the low pressure turbine blade under the real engine working condition. Using the
infrared pyrometer system, the temperature distribution of the leading edge of the engine low pressure turbine blade was measured. The
instrument modification of the engine began before the experiment; the instrument to identify the blade position using the engine speed
signal was designed, at the same time a set of gas pressurization system was designed to provide a high pressure air source. The temperature
distribution of the turbine blade was obtained under multiple engine working condition. The data shows that the leading edge and basin of
blade temperature are higher than other area; the distributions of blades temperature are different at the same position; the maximum
temperature of the blade is located at the bottom of the test area, which is consistent with the simulation results. The temperature distribution
of blade can be obtained, using the infrared technology combined with the thermal index paint, the maximum temperature blade and the
maximum temperature position of blade can be found. |
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