Smirnova L. RELIABILITY PREDICTION METHODS DEVELOPMENT OF WORKINF TURBOCOMPRESSOR WHEELS WITH RANDOMNICITY OF MISTUNING AND LOADING

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0403U002441

Thesis Registration Form

0403U002441.pdf

Applicant for

Specialization

  • 05.02.09 - Динаміка та міцність машин

18-06-2003

Specialized Academic Board

Д 64.050.10

National Technical University "Kharkiv Polytechnic Institute"

Essay

3. The thesis is dedicated to reliability prediction technique development of turbocompressor rotors with random loading and deflections from cy- clic symmetry. The main objects are centrifugal compressor wheels of gascompressor units and turbine wheels of turbochargers. The calcu- lations of static stress and strain state of wheels with mistuning are car- ried out. As a result of free and forced vibration investigation the diffe- rent degree of mistuning influencing on free vibration modes distortion and growth of stress resonance amplitudes is shown. A gas-dynamic cal- culations of gas flow in a blade channel of wheels are made. On the ba- sis of a spectral representations method the turbine wheel with mistun-ing random vibrations are investigate, and wheel reliability is executed.

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Files

AREF.doc

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Liter_2003_3.doc

Vvedenie_2003_3.doc

Zakl_2003_3.doc

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