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Документ О распределении нормируемых показателей надежности в системах гидропневмоагрегатов на этапе их синтеза(НТУ "ХПИ", 2010) Фатеева, Надежда Николаевна; Фатеев, Александр НиколаевичThe results of researches on distribution rationed of parameters of reliability in systems of hydrounits and pneumounits, their account, with use of methods of distribution of the requirements on reliability are given: proportional and in view of relative vulnerability of elements. The offered approach allows already on early stages of designing of systems hydro- and pneumodrives to ration parameters of reliabilityДокумент Повышение эффективности работы 2-й ступени ЦВД турбины К-325-23,5 при нерасчетных углах обтекания потока(НТУ "ХПИ", 2010) Русанов, А. В.; Левченко, Евгений Владимирович; Швецов, В. Л.; Косьянова, А. И.The results of the numerical research of the 3D viscous flow in the flowing part of the compartment, which consists of the first two stages of the high-pressure cylinder of steam turbine K-325-23,5 are presented. A new form of blade of the second stage directing device is offered. The application of this form, which is insensitive to the unsettled angles of the flow accumulation, has allowed to significantly improve gas-dynamic efficiency of the flowing part.Документ Возможности повышения эффективности малых паротурбинных ТЭЦ за счет их расширения газотурбинными надстройками(НТУ "ХПИ", 2010) Шубенко, А. Л.; Лыхвар, Н. В.; Синецкий, А. В.Possibility of increase of efficiency of steam-turbines HEC of industrial factories due to their expansion by gas-turbines buildings is examined. Estimation of expedience of add of exhausting gases of GTU in a power steam-boiler with the use of additional incineration of fuel. Researches are conducted with the bundled software developed in IPMash NANU. Bundled software allows to conduct calculations not only depending on the type of fuel, but also from his composition. This bundled software takes into account great number of external and internal influencing factors. The results of calculations showing changes the indexes of SGU at presence of additional incineration of fuel in PSB.Документ Обратная задача для осевого кольцевого канала(НТУ "ХПИ", 2010) Субботович, Валерий Петрович; Темченко, Сергей АлександровичThe new problem-solving procedure of swirl ideal gas axial-symmetric flow inverse problem for the free axial ring duct is described. The procedure specially is developed for use in optimum designing problems of turbomachines flowing pass and take into account features of the optimum alternative organisation and allows essentially paralleling computing processes.Документ Оптимизация теплофикационной схемы Дарницкой ТЭЦ и выбор нового турбинного оборудования для расширения электростанции(НТУ "ХПИ", 2010) Мамонтов, Н. И.; Кобцев, О. М.; Воеводин, Ю. Т.; Пугачева, Татьяна НиколаевнаKharkov Central Design Office «Energoprogress» has developed and recommended to the application the optimization of the HPP extraction scheme, which contains the replacement of the existing piping for the delivery water with new ones for the greater water pass. In the framework of HPP reconstruction modifications of existing main equipment modernization and possible modifications of new power equipment installation were considered. At the first stage of HPP reconstruction technical re-equipment of the turbine ПТ-60-90 (PT-60-90) st. № 7 and also economy-type works by the HPP extraction scheme are provided. At the second stage the turboset P-25-1,45 (R-25-1.45) is installed. The terminal steam of the turboset is used for the providing with heat.Документ Аналіз роботи повітряно-теплових завіс з урахуванням ефективності калориферної установки(НТУ "ХПІ", 2010) Братута, Едуард Георгійович; Ганжа, Антон Миколайович; Марченко, Наталя АндріївнаThe refined methodic for heat productivity calculation of heater plants is marking. The methodic take into account line number, series connection sections and discrete distribution of heat transfer parameters. The marking methods and means permit to calculation of heat productivity of heating system, ventilation and conditioning in different mode of operation taking into account service conditions.Документ Влияние модифицирования карбонитридом титана на структуру и свойства жаропрочного сплава ЖСЗДК-ВИ с пониженным содержанием углерода(НТУ "ХПИ", 2010) Лысенко, Н. А.; Клочихин, В. В.; Тёмкин, Д. А.Модифицирование жаропрочного никелевого сплава ЖС3ДК-ВИ с пониженным содержанием углерода (0,02…0,04%) таблетками с ультрадисперсными частицами Ti(C,N) позволило повысить физико-механические и служебные характеристики, а также способствовало стабилизации значений механических и жаропрочных свойствДокумент Напряженно-деформированное состояние хвостовых соединений высоконагруженных лопаток паровых турбин(НТУ "ХПИ", 2010) Сухинин, В. П.; Фурсова, Т. Н.Research three-basic tail connection within elastic deformations in volume statement of a problem by means of program complex ANSYS is conducted, comparison of the received results with experimental data is executed. The analysis of influence of geometry of a design on distribution of pressure is carried out.Документ Разработка и исследование характеристик плазменно-топливных форсунок(НТУ "ХПИ", 2010) Сербин, С. И.; Кирчук, Е. Ю.A number of plasma-fuel nozzle constructions are developed and tested volt-ampere characteristics and fuel atomization quality are determined. Parameters of the universal plasma-fuel nozzle working on various gaseous and liquid fuels in a wide range of air flow rate and fuel consumptions are defined.Документ Про високошвидкісний вплив на матеріали при дослідженні релаксаційних процесів з урахуванням теплової пам'яті(НТУ "ХПІ", 2010) Веселовський, В. Б.; Босенко, Т. М.The relaxation effects of locally nonequilibrium thermodynamics were obtained and a further influence of them on the formation of temperature fields in materials was determined. Subject to the relaxation effects the surface layer of materials was analyzed with high-speed impact on them.Документ Исследование гидродинамики и теплообмена в системе испарения котельной установки(НТУ "ХПИ", 2010) Литвиненко, Оксана Алексеевна; Барышникова, О. М.The analys of flow regimes in a steam-water mixture of boiler circulation circuits and their impact on heat transfer coefficients inside the tubes is presented. The results of hydraulic calculation and the calculation of heat transfer in the front screen circuit of boilers KUP-70 fire-box is presented. It Shown that in the evaporation system of the boiler is boiling, which provides a reliable cooling wall pipes.Документ Расчет пограничного слоя на лопатке газовой турбины с использованием модели турбулентности, учитывающей степень турбулентности внешнего потока(НТУ "ХПИ", 2010) Иванченко, Е. Н.The results of numerical investigations of a turbulent boundary layer of a gas turbine blade and comparison with the experimental data are presented. Calculated investigation are executed using the turbulence models, which takes into account of the free-stream turbulence level. Numerical results and experimental data are in good agreement.Документ Работа турбинной ступени с малым Dср/L в режиме потребления энергии(НТУ "ХПИ", 2010) Быстрицкий, Л. Н.; Голощапов, Владимир Николаевич; Касилов, Виктор Иосифович; Козлоков, А. Ю.Approach to determination expenditure of energy in a turbine stage on the compression during its work in the regime of mechanical consumption is introduced.Документ Опыт ОАО "Турбоатом" в разработке и модернизации турбин для АЭС(НТУ "ХПИ", 2010) Левченко, Евгений Владимирович; Швецов, В. Л.; Кожешкурт, И. И.; Лобко, А. Н.Main ways of manufacture and upgrading of turbine sets for NPPs in JSC «Turboatom» are given.Документ Теплоотдача в широких придисковых полостях газовых турбин(НТУ "ХПИ", 2010) Пустовалов, Владимир Николаевич; Загоруйко, Г. Е.; Науменко, Светлана ПетровнаThe experimental criterion equations for heat transfer in wide near disk cavities of gas turbines are proposed.Документ Расчет гидравлических сетей с учетом сжимаемости теплоносителя(НТУ "ХПИ", 2010) Тарасов, Александр Иванович; Чан Конг ШангIt was developed a method for modeling the gas compressibility for the analysis of the flow-distribution in the branchy hydraulic networks of the gas turbine cooling systems. The results of analysis with the method agree with CFD analysis with 5–7 % exactness.Документ Оптимизация систем терморегулирования космических аппаратов с использованием нечетких множеств(НТУ "ХПИ", 2010) Гакал, П. Г.It was proposed to carry out a thermal control system of spacecrafts optimization using fuzzy sets theory, that allowing to provide a global efficiency factor forming on the base of particular efficiency factors in the case of them fuzzy setting.Документ Безвыбросная ГТУ и ее эффективность(НТУ "ХПИ", 2010) Шокотов, Н. К.; Янтовский, Е. И.The circuitry of the emissionless gas turbine unit on the basis of binary cycle is proposed. The combustion materials of the first closed cycle are heat-carrying for heating of second open cycle actuating medium. The procedure of its thermal design is developed.Документ Расчетное и экспериментальное исследование многоцикловой усталости вала паровой турбины мощностью 200 МВт вследствие его крутильных колебаний(Национальный технический университет "Харьковский политехнический институт", 2010) Черноусенко, Ольга Юрьевна; Бовсуновский, А. П.; Штефан, Е. В.; Гудов, Р. И.It is spent settlement and an experimental research of cyclic durability rotor’s steels 25Cr1МWА at torsion for steam turbines of power units by capacity 200 MWt, the 275 thousand which have fulfilled in actual practice more 275000 ours. Are received a curve of multi cyclic weariness of samples from a steel 25Cr1МWА at symmetric torsion at temperature 20°С, peak dependence of logarithmic decrement torsion steel fluctuations 25Cr1МWА at a symmetric cycle stress and various average pressure of a cycle. The settlement residual resource of a shaft of turbine K-200-130 TES taking into account total influence of multi cyclic weariness from torsion fluctuations and little cyclic weariness from influence of thermal loadings is defined.Документ Сравнительная оценка массогабаритных параметров турбогенераторов с воздушной и водородной системами охлаждения(НТУ "ХПИ", 2010) Шевченко, Валентина Владимировна; Минко, Александр НиколаевичComparative estimation of gravimetric and overall parameters of turbogenerators is conducted with air and with hydrogen by the cooling systems. Statistical information is resulted, formulated and grounded technical requirements which will define the of gravimetric and overall parameters.