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Газотурбинная установка мощностью 6,3 МВт

выпускная квалификационная работа бакалавра

Газотурбинная установка мощностью 6,3 МВт

Abstract

Тема выпускной квалификационной работы: «Газотурбинная установка мощно- стью 6.3 МВт» В данной работе проведен расчет газотурбинной установки мощностью 6,3 МВт, выполненной на базе двигателя НК-12 СТ. Для достижения поставленных задач осу- ществлялись следующие расчеты и исследования: 1) Расчет тепловой схемы вручную, а также посредством программы A2GTP; 2) Расчет проточной части турбины компрессора (ТК) и силовой турбины (СТ); 3) Расчет закрутки потока последней ступени; 4) Прочностные расчеты последней ступени силовой турбины; 5) Кратко изложены общие понятия об основных элементах и узлах прототипа НК-12 СТ; 6) Проектирование охлаждаемой рабочей лопатки ТВД. В результате теплового расчета были получены оптимальные параметры для тур- бины и компрессора. Итогом газодинамического расчета являются параметры, служащие для построения 3D модели лопатки последней ступени силовой турбины. Результатом прочностного анализа является определение коэффициента запаса прочности лопатки и диска, а также частотный анализ ротора и лопатки последней ступени силовой турбины. В специальной части проведено исследование рабочей охлаждаемой лопатки ГТУ, по- строена модель данной лопатки и приведены результаты ее исследования в программе Ansys CFX.

Subject of the graduate qualification work: "6,3 MW gas turbine" This paper, the calculation of a gas turbine unit with a capacity of 6,3 MW is carried out. The GTU is based on the NK-12 ST engine. To achieve these goals, the following calculations and studies were carried out: 1) Calculation of the thermal circuit with hands and using the a2gtp program; 2) Calculation of the flow part of the compressor turbine (TC) and power turbine (ST); 3) Calculation of the flow twist in the last stage; 4) Strength calculations of the last stage of the turbine; 5) Briefly described the general concepts of the main elements and nodes of the prototype NK-12 ST; 6) Design of a cooled turbine rotor blade. As a result of thermal calculation, optimal parameters for the turbine and compressor were obtained. The result of gas-dynamic calculation is the parameters used to build a 3D model of the blade of the last stage of the turbine. The result of the strength analysis is the determination of the safety factor of the blade and disk, as well as the frequency analysis of the rotor and blade of the last stage of the turbine. In a special part, a study of the working cooled blade of a gas turbine plant was carried out, a model of this blade was constructed and the results of its study in the Ansys program were presented.

Keywords

gas turbine, осевой компрессор, a combustion chamber with a rotating detonation, axial compressor, power turbine, detonational combustion, камера сгорания, силовая турбина, камера сгорания с вращающейся детонацией, газовая турбина, тепловая ÑÑ ÐµÐ¼Ð°, детонационное горение, combustor, calculation of the heat balance diagram

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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