Petryshchev O. Theoretical basics of calculations and development of electromagnetic ultrasonic transducer

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0509U000161

Thesis Registration Form

0509U000161.pdf

Applicant for

Petryshchev Oleg Mykolajovych

Specialization

05.19.08 -

Date of defense

10-03-2009

Specialized Academic Board

Д 26.002.19

Publishing and Printing Institute of Igor Sikorsky Kyiv Polytechnic Institute

Essay

In this work principles and methods of electromagnetic ultrasonic transducer calculation were developed. These transducers are used in systems of metal-roll nondestructive and engineering testing, in electrical measurement systems of nonelectrical quantities as sensing devices, in experi¬mental gears of physics-mechanical and structural metal parameters. Mathematical description of electromagnetic ultrasonic waves excitation and receiving in metal, considering it as conducting elastic medium with complicated (in case of ferromagnetic metal) properties were provided in the dissertation investigation. In addition, basic boundary condi¬tions and theorems which sequential employment formed mathematical model (complex frequency characteristics) of electromagnetic transducers in modes of electromagnetic ultrasonic wave's exci¬tation and receiving in metal objects were developed. Basic expressions for calculation of frequency characteristics of electromagnetic transducer excitation by means of all wave modesin bars, pipes and plates (19 elastic wave modes) were obtained. Mathematical models of some basic structures of transmission and laying-in transducers in modes of electromagnetic ultrasonic wave's excitation and receiving in bars, pipes and plates were calculated. All received during investigation results are formed a theoretical base of electromagnetic transducer development. Also dissertation investigation results are used for a scientific description of update electro¬magnetic ultrasonic transducers structures that would be developed and fabricated.

Thesis supervisor

.Grinchenko V. T.

Official opponents

.Сучков Г.М.
Савін В.Г.
Сенченков І.К.

Files

АВТОРЕФЕРАТ_3_ред--ТЕКСТ_АВТОРЕФ.doc

АВТОРЕФЕРАТ_3_ред--Титульный_лист.doc

ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_1.doc

ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_10.doc

ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_11.doc

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ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_16.doc

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ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_19.doc

ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_2.doc

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ПРИЛОЖЕНИЯ--ПРИЛОЖЕНИЕ_9.doc

ПРИЛОЖЕНИЯ--Содержание.doc

ПРИЛОЖЕНИЯ--ТИТУЛЬНЫЙ_ЛИСТ.doc

ТЕКСТ_ДИССЕРТАЦИИ--ВВЕДЕНИЕ.doc

ТЕКСТ_ДИССЕРТАЦИИ--ВЫВОДЫ.doc

ТЕКСТ_ДИССЕРТАЦИИ--ЛИТЕРАТУРА.doc

ТЕКСТ_ДИССЕРТАЦИИ--ПРИЛОЖЕНИЕ.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_1_1.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_1_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_1_3.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_2_1.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_2_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_2_3.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_3_1.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_3_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_3_3_1.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_3_3_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_3_3_3.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_4_1.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_4_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_4_3_1_2.doc

ТЕКСТ_ДИССЕРТАЦИИ--РАЗДЕЛ_4_3_3.doc

ТЕКСТ_ДИССЕРТАЦИИ--СОДЕРЖАНИЕ.doc

ТЕКСТ_ДИССЕРТАЦИИ--ТИТУЛЬНЫЙ_ЛИСТ.doc

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