PL385983A1 - Measuring method of torsional vibrations of turbine blade and blades' disk in flow turbomachine, using an induction sensor - Google Patents
Measuring method of torsional vibrations of turbine blade and blades' disk in flow turbomachine, using an induction sensorInfo
- Publication number
- PL385983A1 PL385983A1 PL385983A PL38598308A PL385983A1 PL 385983 A1 PL385983 A1 PL 385983A1 PL 385983 A PL385983 A PL 385983A PL 38598308 A PL38598308 A PL 38598308A PL 385983 A1 PL385983 A1 PL 385983A1
- Authority
- PL
- Poland
- Prior art keywords
- sensor
- torsional vibrations
- blade
- blades
- disk
- Prior art date
Links
- 230000006698 induction Effects 0.000 title abstract 2
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Wynalazek rozwiązuje zagadnienie pomiaru drgań skrętnych łopatki wirnika i drgań tarczy wieńca łopatek wirnikowej maszyny przepływowej za pomocą czujnika indukcyjnego. Sygnały powstałe w czujniku odbiera się przez układ dwóch prostopadłych względem siebie cewek indukcyjnych, których uzwojenie ma kierunek równoległy do linii sił pola magnetycznego wytwarzanego przez magnes. Stosunek wartości tych sygnałów określa kąt skręcenia łopatki względem wyznaczonej osi czujnika. Czas przejścia łopatki przez pole magnetyczne czujnika jest określany przez przejście sygnału jednej z cewek przez wartość zerową. Wynalazek znajduje zastosowanie w diagnostyce turbinowych maszyn przepływowych.The invention solves the problem of measuring the torsional vibrations of the rotor blade and the vibrations of the blade ring disc of a turbomachine rotor using an inductive sensor. The signals generated in the sensor are received by a system of two perpendicular induction coils, the winding of which has a direction parallel to the lines of force of the magnetic field generated by the magnet. The ratio of the values of these signals determines the angle of rotation of the blade relative to the designated sensor axis. The time the blade passes through the sensor's magnetic field is determined by the passage of the signal of one of the coils through the zero value. The invention is used in the diagnostics of turbine turbomachines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL385983A PL210354B1 (en) | 2008-06-30 | 2008-06-30 | Measuring method of torsional vibrations of turbine blade and blades' disk in flow turbomachine, using an induction sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL385983A PL210354B1 (en) | 2008-06-30 | 2008-06-30 | Measuring method of torsional vibrations of turbine blade and blades' disk in flow turbomachine, using an induction sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL385983A1 true PL385983A1 (en) | 2010-01-04 |
| PL210354B1 PL210354B1 (en) | 2012-01-31 |
Family
ID=43012055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL385983A PL210354B1 (en) | 2008-06-30 | 2008-06-30 | Measuring method of torsional vibrations of turbine blade and blades' disk in flow turbomachine, using an induction sensor |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL210354B1 (en) |
-
2008
- 2008-06-30 PL PL385983A patent/PL210354B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL210354B1 (en) | 2012-01-31 |
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