Pub Date : 2018-09-08DOI: 10.30724/1998-9903-2018-20-7-8-71-86
A. Sosnovskiy, B. E. Murmanskii, Y. Brodov
Abstract: Technical and organizational problems, connected with functioning normalization for heat expansion systems (HES) of steam turbines are considered. The approved technical decisions for a range of reasons of bearing cases moving difficulties are noticed. It is presented, that the complex approach for solutions of HES stable operating and exposure resistance is necessary at the new turbines design.
{"title":"UP-TO-DATE CONDITION AND PERSPECTIVE SOLUTIONS FOR IMPROVEMENT OF HEAT EXPANSION SYSTEMS OF STEAM TURBINES","authors":"A. Sosnovskiy, B. E. Murmanskii, Y. Brodov","doi":"10.30724/1998-9903-2018-20-7-8-71-86","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-7-8-71-86","url":null,"abstract":"Abstract: Technical and organizational problems, connected with functioning normalization for heat expansion systems (HES) of steam turbines are considered. The approved technical decisions for a range of reasons of bearing cases moving difficulties are noticed. It is presented, that the complex approach for solutions of HES stable operating and exposure resistance is necessary at the new turbines design.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80854941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-09-08DOI: 10.30724/1998-9903-2018-20-7-8-87-98
A. Tugov, G. Ryabov, A. V. Shtegman, M. N. Maidanik
Based on the results of adjustment, testing and industrial development of the main models of boiler units commissioned by Russian thermal power stations in recent years, the level of the domestic boiler plant is shown. The ways of improving these head samples are outlined. Prospective directions of development of domestic boiler plants are given, to which special attention should be paid to scientific research organizations and boiler plants.
{"title":"DEVELOPMENT EXPERIENCE OF MODERN MADE IN RUSSIA BOILER INSTALLATIONS","authors":"A. Tugov, G. Ryabov, A. V. Shtegman, M. N. Maidanik","doi":"10.30724/1998-9903-2018-20-7-8-87-98","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-7-8-87-98","url":null,"abstract":"Based on the results of adjustment, testing and industrial development of the main models of boiler units commissioned by Russian thermal power stations in recent years, the level of the domestic boiler plant is shown. The ways of improving these head samples are outlined. Prospective directions of development of domestic boiler plants are given, to which special attention should be paid to scientific research organizations and boiler plants.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"126 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90569210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-29-36
R. Aminov, A. V. Portyankin
The article considers the layout solutions of the electrolysis shop of the hydrogen superstructure outside the territory of the nuclear power plant. To do this, an annual risk assessment was carried out taking into account the reliability and explosion risk for 1-4, 8 and 16 separate electrolysis shops installed on the site of the hydrogen superstructure. When taking into account equipment breakdowns, with possible explosions and fires in electrolysis plants, the risk due to fires and explosions was several times lower than the risk associated with equipment failures. Calculations showed that the transfer of electrolysis plants to increased hydrogen productivity in the event of failure of one of the cells is the best option in comparison with the reduction in the generation of electricity at the steam turbine installation of the hydrogen superstructure.
{"title":"ANALYSIS OF LAYOUT SOLUTIONS OF ELECTROLYSIS SHOP OF HYDROGEN SUPERSTRUCTURE TAKING INTO ACCOUNT THE RELIABILITY AND EXPLOSION RISK","authors":"R. Aminov, A. V. Portyankin","doi":"10.30724/1998-9903-2018-20-5-6-29-36","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-29-36","url":null,"abstract":"The article considers the layout solutions of the electrolysis shop of the hydrogen superstructure outside the territory of the nuclear power plant. To do this, an annual risk assessment was carried out taking into account the reliability and explosion risk for 1-4, 8 and 16 separate electrolysis shops installed on the site of the hydrogen superstructure. When taking into account equipment breakdowns, with possible explosions and fires in electrolysis plants, the risk due to fires and explosions was several times lower than the risk associated with equipment failures. Calculations showed that the transfer of electrolysis plants to increased hydrogen productivity in the event of failure of one of the cells is the best option in comparison with the reduction in the generation of electricity at the steam turbine installation of the hydrogen superstructure.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80514270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-110-117
A. S. Nikitin, A. N. Borisov
The article is devoted to the design of optical device ‒ phase isotropic corner reflector, which may find application as a mirror in the fiber-optic converter. The use of phase-isotropic elements will reduce the effect of a light signal phase shift on reflection from the mirror mounted on the end of the fiber sensor. The work analyzes the existing phase devices and suggests a device using real film-forming materials, the angle of incidence of radiation, and the materials of the prism.
{"title":"PHASE-ISOTROPIC CORNER REFLECTOR FOR FIBER-OPTIC CONVERTER","authors":"A. S. Nikitin, A. N. Borisov","doi":"10.30724/1998-9903-2018-20-5-6-110-117","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-110-117","url":null,"abstract":"The article is devoted to the design of optical device ‒ phase isotropic corner reflector, which may find application as a mirror in the fiber-optic converter. The use of phase-isotropic elements will reduce the effect of a light signal phase shift on reflection from the mirror mounted on the end of the fiber sensor. The work analyzes the existing phase devices and suggests a device using real film-forming materials, the angle of incidence of radiation, and the materials of the prism.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74999097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-3-10
L. M. Chetoshnikova, N. I. Smolentsev, S. Chetoshnikov, G. V. Gusarov
The use of modern devices and technologies in power supply systems will provide consumers with high-quality energy. Especially effective in this direction will be the construction of autonomous systems using renewable energy sources and local smart grids. The coordinated work of all elements of systems and optimal control of energy flows is solved by mathematical modeling methods.
{"title":"AUTONOMOUS POWER SUPPLY SYSTEMS WITH RENEWABLE SOURCES OF ENERGY AND SMART GRID","authors":"L. M. Chetoshnikova, N. I. Smolentsev, S. Chetoshnikov, G. V. Gusarov","doi":"10.30724/1998-9903-2018-20-5-6-3-10","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-3-10","url":null,"abstract":"The use of modern devices and technologies in power supply systems will provide consumers with high-quality energy. Especially effective in this direction will be the construction of autonomous systems using renewable energy sources and local smart grids. The coordinated work of all elements of systems and optimal control of energy flows is solved by mathematical modeling methods.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76345434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-55-66
K. Lisitskiy
The article considers the problem of reliable evaluation of flicker in electrical networks. The technique for calculating the normalized frequency characteristics of the instrument for light sources with different sensitivity to voltage fluctuations is presented, which is aimed at improving the standard methods for estimating the flicker. A technique for the normalization of the flicker is described on the basis of the data of the estimated estimation of the voltage fluctuations in the electric network.
{"title":"IMPROVEMENT METHODS AND MEANS OF FLEARER EVALUATION WHEN USING LIGHT SOURCES WITH DIFFERENT SENSITIVITY TO VOLTAGE FLUCTUATIONS IN THE ELECTRICAL NETWORK","authors":"K. Lisitskiy","doi":"10.30724/1998-9903-2018-20-5-6-55-66","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-55-66","url":null,"abstract":"The article considers the problem of reliable evaluation of flicker in electrical networks. The technique for calculating the normalized frequency characteristics of the instrument for light sources with different sensitivity to voltage fluctuations is presented, which is aimed at improving the standard methods for estimating the flicker. A technique for the normalization of the flicker is described on the basis of the data of the estimated estimation of the voltage fluctuations in the electric network. ","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90536701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-118-128
A. Pogoreltsev, V. Matukhin, O. Safonova, A. Sharipova, G. N. Islamova, E. Shmidt, D. Shulgin
The synthesized sample of covellite was investigated by NQR 63,65Cu methods. The experimentally determined values of the quadrupole frequency νQ and the asymmetry parameter η have been used to study the distribution of electron density in the region of the quadrupole nuclei in position Cu1. It is found that Cu-S bond in position Cu1 is ionic, and the gap LUMO-HOMO decreases with increasing temperature.
{"title":"TOPOLOGICAL FEATURES OF THE ELECTRON DENSITY DISTRIBUTION IN COVELLITE: POSITION Cu1.","authors":"A. Pogoreltsev, V. Matukhin, O. Safonova, A. Sharipova, G. N. Islamova, E. Shmidt, D. Shulgin","doi":"10.30724/1998-9903-2018-20-5-6-118-128","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-118-128","url":null,"abstract":"The synthesized sample of covellite was investigated by NQR 63,65Cu methods. The experimentally determined values of the quadrupole frequency νQ and the asymmetry parameter η have been used to study the distribution of electron density in the region of the quadrupole nuclei in position Cu1. It is found that Cu-S bond in position Cu1 is ionic, and the gap LUMO-HOMO decreases with increasing temperature.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"57 6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75893128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-141-147
E. V. Semenova, V. Larionov, Y. Vankov
One of the perspective applications of pulsating combustion is the utilization of industrial waste. There is a mathematical model and the results of calculating the frequency and amplitude of acoustic gas oscillations in a Helmholtz resonator type device using solid fuel. In this paper, pulsating combustion is considered as a result of the interaction of acoustic oscillations with the process of heat release in the combustion zone. It is shown that the frequency and amplitude of gas oscillations, the amplitude and phase of the heat release rate pulsations, the acoustic energy generated in the combustion zone are interrelated quantities.
{"title":"THERMODYNAMIC AND ACOUSTIC ANALYSIS OF THE SOLID FUEL PULSATING COMBUSTION IN A HELMHOLTZ RESONATOR TYPE DEVICE","authors":"E. V. Semenova, V. Larionov, Y. Vankov","doi":"10.30724/1998-9903-2018-20-5-6-141-147","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-141-147","url":null,"abstract":"One of the perspective applications of pulsating combustion is the utilization of industrial waste. There is a mathematical model and the results of calculating the frequency and amplitude of acoustic gas oscillations in a Helmholtz resonator type device using solid fuel. In this paper, pulsating combustion is considered as a result of the interaction of acoustic oscillations with the process of heat release in the combustion zone. It is shown that the frequency and amplitude of gas oscillations, the amplitude and phase of the heat release rate pulsations, the acoustic energy generated in the combustion zone are interrelated quantities.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74353438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-84-92
O. A. Gorbunova, Goran Pavlov
This article studies problems of forecasting of noise pollution by thermal power plant equipment, industrial boilers, etc. An acoustic model of a residential area, exposed to power plant equipment noise nuisance, has been developed by means of AWM “Acoustics” software using obtained data. Practical application of the experimental-theoretical model for the noise field was demonstrated for efficiency estimation of the proposed engineering solution to noise reduction.
{"title":"DEVELOPMENT OF AN EXPERIMENTAL-THEORETICAL MODEL FOR THE NOISE FIELD OF THERMAL POWER PLANT EQUIPMENT","authors":"O. A. Gorbunova, Goran Pavlov","doi":"10.30724/1998-9903-2018-20-5-6-84-92","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-84-92","url":null,"abstract":"This article studies problems of forecasting of noise pollution by thermal power plant equipment, industrial boilers, etc. An acoustic model of a residential area, exposed to power plant equipment noise nuisance, has been developed by means of AWM “Acoustics” software using obtained data. Practical application of the experimental-theoretical model for the noise field was demonstrated for efficiency estimation of the proposed engineering solution to noise reduction.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82239069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-08-05DOI: 10.30724/1998-9903-2018-20-5-6-37-45
M. Asanov
In order to increase the operating efficiency of solar power generating system its absorbing surface must be continuously turned towards the Sun. Modern Sun tracking systems are analyzed. Operation of solar air wall-type collector is considered. Collector’s absorber plates were situated in two ways – horizontally and vertically. Operation of the collector with horizontally situated plates is to turn of the plates towards the Sun according to solar altitude angle. Vertically situated plates position depends on solar azimuth angle. Cross shading of the absorbers plates during Sun tracking is calculated. To estimate the collector efficiency its operation within two days of the year (1.01.2016 and 11.06.2016) is studied. In order to compare the collectors’ characteristics with different types of the absorber the mathematical model is built.
{"title":"ABSORBER PLATES POSITION INFLUENCE ON SOLAR COLLECTOR OPERATION EFFICIENCY","authors":"M. Asanov","doi":"10.30724/1998-9903-2018-20-5-6-37-45","DOIUrl":"https://doi.org/10.30724/1998-9903-2018-20-5-6-37-45","url":null,"abstract":"In order to increase the operating efficiency of solar power generating system its absorbing surface must be continuously turned towards the Sun. Modern Sun tracking systems are analyzed. Operation of solar air wall-type collector is considered. Collector’s absorber plates were situated in two ways – horizontally and vertically. Operation of the collector with horizontally situated plates is to turn of the plates towards the Sun according to solar altitude angle. Vertically situated plates position depends on solar azimuth angle. Cross shading of the absorbers plates during Sun tracking is calculated. To estimate the collector efficiency its operation within two days of the year (1.01.2016 and 11.06.2016) is studied. In order to compare the collectors’ characteristics with different types of the absorber the mathematical model is built.","PeriodicalId":33495,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Problemy energetiki","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80633224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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