Optical fiber device and measuring method for turbine blade surface temperature distribution measuring
A technology of turbine blade and surface temperature, applied in the field of optical fiber devices, can solve the problems of short service life, easy falling off, and potential safety hazards of sensors, and achieve the effects of convenient replacement and maintenance, and high sensitivity
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[0043] The invention can measure the surface temperature of high-speed rotating turbine blades under high temperature, and obtain the specific distribution position of the blade surface temperature, provide necessary data for the design of the blade profile and cooling structure of the turbine blade, and obtain the thermal barrier coating on the surface of the turbine blade. The state of layer shedding can be monitored online in real time, and temperature changes can be monitored online to prevent serious failures such as blade ablation of the gas turbine in advance.
[0044] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
[0045] figure 1 This is the working principle diagram of the optical path and circuit of the optical fiber measurement system 19 in the present invention. During the optical fiber two-color temperature measurement process, the high-temperature component radiation spectrum energy enter...
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