The formulation of research task with the specification of the varied geometrical parameters of profile and methods that is resulted. Also, the results of optimization of spatial profile of directing turbine grate with the using of different maximum terms on the butt-end surfaces of channel are showed. The methodology at that stabilizing of stream is arrived at after initial edges is considered.

Keywords:

Boіko A.V., Govoruschenko Yu.N., Burlaka M.V., Barannik V.S. Turbine cascade profile 3d optimization. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 6-10.

The numerical analysis of unsteadycombustion processinlow emissiongas turbine combustion chamberwith differentturbulencemodelswas made.

Keywords:

Serbin S.I., Mostipanenko G.B., Kozlovskiy A.V. investigation of transient combustion process in gas turbine combustor. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 11-16.

We can represent new version of information and instrumental system which was realized in model and programmed complex view (MPC), providing the solving of optimization and identification problems and characteristic of the energy setting, and their projecting and operation developing, which is invariant attending searching mathematical models and physical process. The problem and the methods of the problems of identification of mathematical models (MM) of air gas turbine engine (GTE) including the experiment data were solved and examined with all their ways. The results of identification MM engines D-436 GP «Ivchenko-Progress» were represented here which were obtained owing MPC.

Keywords:

Tarelin A.A., Annopolskaya I.E., Antipcev I.E., Parshin V.V. informative-instrumental system for optimization and identification problem solution during power engineering design and tweaking. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 17-25.

The modernization of condensers for the K-1000-60/1500-2M turbines is aimed to replace cooling tubes made of copper-nixkel alloy МНЖ5-1 by cooling tubes of corrosion-resistant material: steel TP 316L and titaniumBT1-0, and external tube sheets made of carbon steel of steel grade 20 by external tube sheets made of corrosion-resistant material: steel TP 316L and titanium-plated carbon steel, and to develop condenders of «block and modular» design, which improves the reliability, performance, safety, and increases the service life of condensers.

Keywords:

Shvecov V.L., Uss A.N., Gavrilova V.V. modernization of condensers for turbines k-1000-60/1500-2m at rostovskays and balakovskaya npp by replacing tube system materials and development of «block and modular» design. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 26-35.

It was demonstrated the possibility of the 2D thermal analysis for gas turbine components by replacing heat transfer in cooling channels, that was arranged parallel to the cross section, on the heat sources. It was estimated error in the calculation of the temperature of the parts, which may occur in cases of practical importance.

Keywords:

Tarasov A.I., Dolgov A.I., Litvinenko O.A. the use of 2d thermal models for analysis of cooled gas turbine components. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 36-41.

It was proposed the formula for calculating cooling fluid relative mass flow. This formula is comfortable for the estimation of relative mass flow of the overheated steam, that is used instead of air for cooling of gas turbine blades.

Keywords:

Kislov O.V. the estimation of water steam requirement for convective cooling of gas turbine blades in converted gas turbine engine. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 42-44.

The condition of works research BS for decrease in leaks in aviation GTE and stationary power-house is presented. Experimental researches of various variants BS and comparison of their efficiency with tradition seals are executed. It is established, that changing parametres BS it is possible to provide their working capacity in various conditions of operation.

Keywords:

Rublevskiy Yu.V., Docenko V.N. experience of application brush sealing for improvement of parameters aviation gas-turbine engine and stationary power plant. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 45-49.

There are presented the results of studies of dynamic properties of the K-1100-60/1500-2M turbine performing impulse unloadings in response to the commands of the emergency control automatics of the electrical networks. To carry out studies there is developed a model of the turbine flow path, which includes flow rate characteristics of the high-pressure control valves and reheat gate valves. There are given comparative characteristics of the turbine obtained by calculation and full-scale tests at Unit 2 of Rostovskaya NPP.

Keywords:

Shvecov V.L., Babaev I.N. results of analysis of dynamic characteristics of turbine k-1100-60/1500-2m under impulse unloadings on command of the emergency control automatics of the electrical networks. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 50-58.

We consider the problem of determining the vapor density in the latter stages of LPC turbines. On the basis of experimental data available approximation dependence.

Keywords:

Shubenko A.L., Bystrickiy L.N., Goloschapov V.N., Kasilov V.I., Kozlokov A.Yu. determination of the steam density at the last stage of lpc for the low flow rate modes. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 59-67.

Lately the blocks intended and projected for executions of the base loadings carry the spades loadings and number of starting – stopping they were attained by 1600 on separate turbines. At starting and stopping turbines there are thermal tensions on the surface of rotor for conditioning achievement in the zones of concentration of high total tensions which result in formation of cracks in the high temperature zones of elements of turbine.

Keywords:

Suhinin V.P., Pugacheva T.N. analysis of the evaluation factors for stress concentration and deformation in unloaded ditch of steam turbine rotor. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 68-75.

Estimated and theoretical research of three-dimensional viscous flows and comparative analysis of operational and designed performances of inlet radial-axial and axial stages of turbomachine have been conducted. The thermodynamical advantage of the radial-axial version of design has been defined. A version of the design with blade profile of changeable height has been suggested and it basic performances have been defined.

Keywords:

Rusanov A.V., Solovey V.V., Goloschapov V.N. thermal gasdynamic characteristics of expansion turbine for hydrogen liquefaction plant with thermosorption compressor. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 76-81.

Certain results of experimental researches are presented in the article, which are constructed on base dependence between rotating frequency of jet-reactive turbine at no-load mode and input pressure. Also the article contains processed charts, which are illustrate the deviation from the calculated characteristics of the turbine due to the work in the «wave crisis» area and design procedure for determining the presence «wave crisis» through the critical Mach number.

Keywords:

Vaneev S.M., Getalo V.V., Korolev S.K. investigation of jet-reactive turbine for expansion turbine. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 82-90.

The results of computational modeling of the annular diffuser with straight walls, which were obtained by the method of calculating the flow in annular channels, the designed by authors are present and carried out and compared with the experimental data of the same diffuser as well as the calculations results by CFD-program.

Keywords:

Subbotovich V.P., Yudin Yu.A., Yudin A.Yu., Temchenko S.A. the test results of calculation method of flow in an annular duct. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 91-94.

For energy of Ukraine issue of the day of increase of manoeuvrability of blocks. In the article the question of choice of criterion of optimal management power unit is considered ТЕС in the starting modes that are the most responsible technological operations on thermal electric stations.

Keywords:

Duel M.A., Kanyuk G.I., Prihodko A.V., Fursova T.N. to choice of criterion of optimal management by power block of the thermal electric station in starting modes. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 95-104.

Provided with electrohydraulic control and protection system of the steam turbines CJSC «Ural turbine plant», outlines the functionality and features of the system design, as well as the prospects for development in this direction

Keywords:

Shehter M.V., Klyaynrok I.Yu. modern electrohydraulic control and protection system of steam turbines developed by the ural turbine plant. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 105-112.

Thermodynamic efficiency of hydrogen power installation, the base agent of metal-hydride thermosorption compressor has been analyzed in the paper. The possibility of using such compressors in power installations has been shown and benefits of this compressor as comparison with mechanical one have been considered.

Keywords:

Koshelnik O.V., Chorna N.A. thermodynamic cycles efficiency definition in hydrogen power installations. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 113-116.

Prevailing at the present time in the Russian Federation centralized heat supply systems have some disadvantages. Almost all of them are liquidated when the autonomous heat supply systems are used. In this article provides a substantiation of the condensation hot-water boilers effectiveness of use in the autonomous heat supply systems.

Keywords:

Gubarev A.V., Kuleshov M.I., Pogonin A.A. improving the effectiveness of autonomous heat supply systems with the use in them of condensation type heat generators. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 117-125.

The flow diagram of repair cycles of power units of TES and AES, containing information about live time of different details of equipment in the term of his exploitation is offered in this article.

Keywords:

Kavercev V.L., Nalizko O.V., Usyk Yu.N. low diagram of repair cycles organization of nuclear and thermoelectric power units with take into account equipment diagnostics results. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 126-130.

Questions of influence of radial backlashes in coged gearing on a elutch at which specific loading increases by each, on a resource coupler are considered. The estimation method of a residual resource on pressure of a bend of cogs and a calculation example is shown.

Keywords:

Gaponov V.S., Naumov A.I., Ostapchuk Yu.A. Estimation of a residual resource gear muffs the gas turbine. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 131-136.

Fundamental air current regimes in subsonic straight-wall diffusers have been considered. Diffuser-polar characteristic curves are proposed. This characteristic shape is convenient for choice diffuser appearance with optimization parameters.

Keywords:

Gerasimenko V.P., Tkachuk A.S., Yacyshin A.A. About polars of straight-wall diffusers. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 137-142.

The method for the numerical solution of the Navier-Stokes-Poisson-Fokker-Planck equations describing the unsteady flow of a dispersed system with a viscous dispersion medium and a solid with strongly inhomogeneous dispersed phase, which carries an electrical charge under the influence of gravitational and electrostatic fields is proposed.

Keywords:

Fenchenko V.N., Kravchenko O.V., Momot V.I. Simulation of unsteady flows of disperse systems with viscous dispersion medium and firm, strongly inhomogeneous dispersed phase, bearing an electric charge. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 143-149.

In work problems of modern designing of systems of a heat supply and cooling by use of renewed energy sources are considered. The review of modern software products is spent. The program allowing is presented to project heat supply and cooling systems, and also to model work of the presented systems.

Keywords:

Grun A.I., Yurkovskiy S.Yu., Klimchuk A.A. Modern methods of designing of systems warmly – and coolings with application of the power saving up equipment. practical realization of projects. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 150-153.

The heat transfer parameters of multilayer construction elements are determined with the help of solution of inverse heat conduction problems. The solutions of non-stationary heat conduction problem for component construction elements with the condition of non-ideal thermal contact are obtained by operational method. The methods of regularization and orthogonal polynomials of Chebishev are used to solve the boundary inverse heat conduction problem.

Keywords:

Bilyaeva V.V., Berlov O.V., Klim V.Yu. The heat transfer parameters determination of multilayer construction elements. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 154-163.

It was proposed to conduct the synthesis of charts of pneumatic manipulator two methods: with the use of standard position structure and by the method of complete minimization of standard position structure.

Keywords:

Varibrus R.S. The synthesis of charts of pneumatic aggregate the industrial robot. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 164-167.

It is shown, that consideration of stochastic change of heating degree days over years can substantially affects the vagueness of parameters of choosing thermal resistance of building envelope.

Keywords:

Voloschuk V.A. Influence of change of climatic parameter on vagueness when choosing thermal resistance of building envelope . NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 168-177.

To determine the period of resistance of glass furnaces digester basin refractory materials the method and the program was devised. The calculations showed results comparable with those of a full-scale investigation that allows using the proposed method for predicting at existing furnaces the life of the glass-melting tank wall beam.

Keywords:

Koshelnik V.M., Beknazaryan D.V., Havin E.V. Prediction of temperature conditions and the life of the glass-melting tank wall. NTU «KhPI» Bulletin: Series «Power and Heat Engineering Processes and Equipment». 2012. No. 8. Pp. 177-183.