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Постійне посилання колекціїhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/6960

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Алгоритмы определения основных параметров газотурбинных газоперекачивающих агрегатов в эксплуатации
(НТУ "ХПИ", 2009) Герасименко, Владимир Петрович; Кучерук, Н. В.; Мандра, А. С.; Налесный, Н. Б.; Нурмухаметов, Т. М.
Fundamental problems of gas pumping aggregates exploitation by technical condition have been considered. Algorithms definition gas turbine engine’s power, efficiency and mass air flow without their measurements in exploiting condition are proposed. These algorithms are built on equations material balance and indirect measurements of parameters flow of running part engine. They also allow realize engine units diagnostic.
Анализ особенностей состояния высокотемпературных роторов и факторов, влияющих на их работоспособность и ресурс
(НТУ "ХПИ", 2009) Пугачева, Татьяна Николаевна
The issues has been treated connected of determination of residual resource of service of high temperature knots of turbine. Factors determining duration of reliable exploitation of turbine are analysed: exhausting of the protracted plasticity from the creep of material; accumulation of damages in the critical areas of rotors because of a cyclical fatigue.
Анализ теплообмена при струйном охлаждении входной кромки лопатки газовой турбины
(НТУ "ХПИ", 2009) Тарасов, Александр Иванович; Долгов, А. И.
The numeral analysis of the flow and heat transfer under jet cooling in area of leading edge of the gas turbine blade is studied. The average heat transfer coefficients are calculated for the leading edge surface for the different flow regimes, jets, and fins on the wall. Basing on these data, the known heat transfer equations were analyzed. One of the equations was approved for using in the nozzle vanes or blades cooling system calculations
Влияние вакуума за последней ступенью на пространственную структуру потока в проточной части паровой турбины
(НТУ "ХПИ", 2009) Голощапов, Владимир Николаевич; Пащенко, Н. В.; Русанов, А. В.
The results of numeral research of spatial structure of 3D viscous flow through the last stage of the low-pressure cylinder of 200 MW steam-turbine on the nominal regime and regimes with flow separation phenomena are presented. Research is carried out using the software FlowER. The results of calculations are compared with the experimental data. Numeral results and experimental data are in the good agreement.
Возможности повышения эксплуатационных показателей турбоустановок для ТЭС и АЭС ОАО "Турбоатом" на основе математического моделирования
(Национальный технический университет "Харьковский политехнический институт", 2009) Шубенко, Александр Леонидович; Лыхвар, Н. В.; Швецов, Виктор Леонидович
The issues of transfer from standard methodic for remedial maintenance and replacement of TPP and NPP steam turbine plants (STP) to «on-condition» maintenance and repair of power generating equipment have been considered. Such transfer is impossible if STP diagnostic techniques and means are not put to use. We offer a new approach to solution of the problem of STP condition diagnosis by thermodynamic parameters which is based on application of comprehensive, flexible and adapted mathematical model for the purpose of determination of basic values of the diagnosed factors.
Газотурбинная установка ГТЭ-115М
(НТУ "ХПИ", 2009) Акерман, Д. Ш.; Зарубин, Л. А.; Решитько, В. П.; Росинская, А. В.
In the article there are given technical characteristics of the enhanced GTE-115M gas turbine unit and some of its separate systems. The design of the 18-stage axial-flow air compressor is performed in collaboration with the specialists of N.Ye. Jukovsky Aerospace National University «KhAI», design of the cooling system of the turbine 1st stage guide blade and cooling system of the turbine rotor – in collaboration with the specialists of National Technical University «KhPI». There is developed the design of an assembly turbine rotor, shaft-line, turbine casing, combustion chamber, turbine 1st stage guide blade and longitudinal section.
Динамика переменной массы вихревых течений
(НТУ "ХПИ", 2009) Гапон, Галина Александровна
The mathematical model of the variable mass’ vortical motion is created according to the variable mass concept in the continuous medium. The equations for vortex in the case of the variable mass continuous medium motion are derived for the first time. These equations are analogs and generalizations of the Gromeka – Lamb and Fridman equations in case of variable mass motion. The model can be applied for statement of the problem of vortical motion calculation, when fluid flow rate is changing along the channel. Variable fluid flow rate can be caused by the working medium masses attachment and detachment, which take place in steam and gas turbines, scroll cases of centrifugal turbines [1], etc.
Интегрирование процедуры создания и расчета схем ГТУ в САПР "Турбоагрегат"
(НТУ "ХПИ", 2009) Бойко, Анатолий Владимирович; Говорущенко, Юрий Николаевич; Усатый, Александр Павлович; Руденко, Алексей Сергеевич
Описані особливості інтегрування нових компонент до САПР "Турбоагрегат". Виконано інтегрування процедури створення та розрахунку схем ГТУ до САПР. Для перевірки працездатності зазначеної процедури проведені розрахунки та оптимізація параметрів циклу ГТ-750-6М. Наведені результати розрахунків та оптимізації.
Исследование динамики гидравлического сопротивления конденсаторов в системах технического диагностирования
(НТУ "ХПИ", 2009) Шелепов, И. Г.; Сафронюк, М. А.
Diagnostics of vacuum in condensers in the course of electric power generation is one of actual tasks during power units maintenance. The possibility of the technical diagnostics perfection of the current vacuum of a condenser due to the more precise definition of the thermal resistance value is proposed
К расчету напряженного состояния хвостовых соединений рабочих лопаток паровых турбин
(НТУ "ХПИ", 2009) Сухинин, В. П.; Фурсова, Т. Н.
The tensely-deformed state of mushroom-like tail connections of workings shoulder-blades of steam-turbines is considered, influence of force of friction is explored on distributing of tensions in the constructions of tail connections, the analysis of, numeral and experimental results of calculations is conducted
Математическая модель течения двухфазного потока в каплеуловителях контактных аппаратов
(НТУ "ХПИ", 2009) Братута, Эдуард Георгиевич; Боровок, С. В.
The mathematical model of current drop moisture environments in dropcatcher contact devices, as a theoretical basis for the further increase efficiency of process separation is considered.
Математическое и численное моделирование теплофизических процессов на примере модели двухфазного переноса в пористой среде
(НТУ "ХПИ", 2009) Литвиненко, Оксана Алексеевна; Михайлова, Ирина Александровна
Possibility of the mathematical and numerical modeling of the thermo physical processes on the example of two-phase heat exchange in a porous environment is presented. Comparison of the experiment with numerical modeling is executed. It was shown the mathematical model of the two-phase heat exchange is adequate to physical model.
Моделирование воздухозаборного тракта ГТЭ-110 Ивановской ГРЭС в программном комплексе FlowVision
(НТУ "ХПИ", 2009) Михайлов, В. Е.; Страшников, А. А.; Севастьянова, Т. В.
Possibilities of use of program complex FlowVision for modelling intake duct GTE-110 Ivanovo power station are shown. The created model is used for imitation of work intake duct from filter house to a snail of compressor. There was made the analysis of losses a total pressure and their comparison with results of experiment, and also calculation of uniformity velocities field in the compressor
Обгрунтування раціональних параметрів паливних систем СЕУ при використанні біодизельних палив
(НТУ "ХПІ", 2009) Горбов, Віктор Михайлович; Мітєнкова, В. С.
The rational parameters of ship power plant low pressure fuel systems with utilizing of biodiesel fuels and its blends are determined. The variants of SPP fuel systems principal schemes are worked out. Systems’ parameters with utilizing of biodiesel fuels manufactured out from different crude and its blends with diesel oil are compared with.
Обратная задача теории решеток на осесимметричной поверхности тока
(НТУ "ХПИ", 2009) Субботович, Валерий Петрович; Юдин, Александр Юрьевич; Фан, Конг Там
The inverse problem about the three-dimensional flow in the blade channel on the surface which is the general surface of revolution was researched. The problem is researched as the one that consists of the independent problems of the flow’s calculation in the separated cross-section of the stream filament. These independent problems can be solved either one after another or simultaneously. The inverse problem allows to obtain a geometrical characteristics of blade profiles when limitations of aerodynamic and geometrical parameters
Оптимизация ступеней газовых турбин с использованием 3D моделей расчета течения
(НТУ "ХПИ", 2009) Яковлев, В. А.; Ершов, Сергей Владимирович
The approach of aerodynamic optimisation of a turbine blade 3D shape using the 3D flow computation model is described. The optimisation technique consists in direct methods of a local search and heuristic ones of a global search as well as their hybridisation. Results of the optimisation studies are presented for the gas turbine flowpath. The computational results demonstrate improved flow behaviour, reduced kinetic energy losses and increased turbine efficiency.
Остаточный ресурс высокотемпературных элементов паровой турбины К-200-130 ЛМЗ
(Национальный технический университет "Харьковский политехнический институт", 2009) Черноусенко, Ольга Юрьевна
The enrichment and analysis of the calculated estimation of leavingal resource of steam turbine К-200-130 №11, 13–15 is offered with calculating heat state (HS), stressed-deformed state (SDS), and little cycle of lassitude of hightemperature elements of CHP and CMP for exploitation modes energy blokes.
Оценка виброактивности компрессорной установки передвижной компрессорной станции
(НТУ "ХПИ", 2009) Гапонов, Владимир Степанович; Мац, В. И.; Наумов, Александр Иванович
The question of estimation of vibroactivity of turning vibrations is examined in the system engine-compressor of low pressure in the options of the movable compressor stations. It is revable that for such sort of the systems, possessing muffs with toroid-shape shell, possessing high pliability, the task is taken to the decision of the dynamic systems with multifrequency excitation.
Оценка эффективности работы ЦНД турбины Т-250/300-23,5 Харьковской ТЭЦ-5
(НТУ "ХПИ", 2009) Слабченко, Олег Николаевич; Зайцев, М. В.; Козлоков, А. Ю.; Золотухин, А. Д.
It was proposed to carry out an estimation of the steam turbines flow paths efficiency for the low pressure cylinder in general and particularly for the low pressure cylinder of the T-250/300-23,5 steam turbine taking into account inherent operation conditions. Basing on such estimation it is possible to make recommendations for flow path modernization. Efficiency estimation for the each modernized variant should be developed basing on rate of the electrical energy generation. The rate can be determined by using the integrated characteristics of the turbine stages, i.e. mass flow rate, heat drop, performance factor in varying duty that were obtained as experimentally as well in calculations.
Паровые турбины ОАО "Турбоатом" для тепловых электростанций
(НТУ "ХПИ", 2009) Субботин, В. Г.; Левченко, Евгений Владимирович; Швецов, В. Л.
There are presented the stages of the JSC «Turboatom» progress during the manufacture of the new series turbines and modernization and repair of the turbine-generator sets produced earlier. The mentioned refurbishing and repair allow sustaining the effectiveness, reliability and maneuverability of the Kharkov turbine plants up to the best world samples. There are considered the turbine types manufactured by the works, there are described the structural and operating features.