Mode Shape Analysis

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RTI/KSA Electronic holography systems have been used extensively for performing mode shape analysis on a number of  jet and rocket engine components. Here we will show examples of work done on the following components:

  1. Gas turbine compressor/fan blade

  2. Gas turbine inlet nose cone

  3. Rocket engine turbopump turbine blade

Gas Turbine Compressor/Fan Blade

These series of photos show the various mode shapes of a gas turbine compressor/fan blade at different excitation frequencies.

531hz.gif (61480 bytes)
Excitation Frequency = 531 Hz
 

1614hz.gif (64541 bytes)
Excitation Frequency = 1.614 KHz

1954Hz.gif (65529 bytes)
Excitation Frequency = 1.954 KHz

2947hz.gif (63053 bytes)
Excitation Frequency = 2.947 KHz

4478hz.gif (70383 bytes)
Excitation Frequency = 4.478 KHz

5511Hz.gif (73331 bytes)
Excitation Frequency = 5.511 KHz

6614Hz.gif (75283 bytes)
Excitation Frequency = 6.614 KHz

8429Hz.gif (72117 bytes)
Excitation Frequency = 8.429 KHz

8949hz.gif (74555 bytes)
Excitation Frequency = 8.949 KHz

10302Hz.gif (73613 bytes)
Excitation Frequency = 10.302 KHz
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