Global Energy

REV RUS 7-17 Zheleznyakov Alexander zheleznyakov@rtc.ru COSMIC ACTIVITIES COUNTRIES OF THE WORLD IN 2013 Astronautics is the field of mankind activity, which shapes a way of our future. From year to year increases the number of countries launching their own satellites or using results of space activity. The International space station has been working in the Earth orbit for a long time. The number of the spacecrafts coursed to other planets grows. The summarized information on results of space activity of the countries worldwide in 2013 is presented in this work. Analysis of the changes within the year and the perspectives of astronautics development in 2014 are given. 629.78 ASTRONAUTICS; SATELLITE; SPACECRAFT; ASTRONAUT; DOCKING; LAUNCH-VEHICLE SITE; TELECOMMUNICATIONS; INTERPLANETARY FLIGHTS; NAVIGATION. https://engtech.spbstu.ru/article/2014.88.1/ 1_zheleznjakov.pdf

RAR RUS 18-25 Borisenkov Igor borisenkov46@yandex.ru Kalinov Mikhail cesavo@mail.ru Rodionov Vladislsv var1959@mail.ru DOMESTIC SPACE SYSTEMS OF THE RADAR AND RADIO-ELECTRONIC MONITORING OF THE EARTH’S SURFACE Considered are the history of creation and experience of application of domestic space systems of radar and electronic monitoring of the earth surface. Defines the main directions of their further development. Presents estimates of the detection frequency of monitoring objects. 629.78 Space systems; monitoring; radar; surface; direction of development https://engtech.spbstu.ru/article/2014.88.2/ 2_borisenko.pdf

RAR RUS 26-33 7102629343 Peter the Great St. Petersburg Polytechnic University, Russia Vasil'ev Yuriy interserv@spbstu.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Amosov Nikolay nwp_amossov@mail.ru LOW-POWER NUCLEAR POWER PLANTS Analysis of the results of an international conferens on the development of nuclear power station is for energy supply remote sparsely populated areas of the Far North, Siberia,end Far East. 697.34(075.8) LOW-POWER NUCLEAR POWER PLANTS; ENERGY SUPPLY; NUCLEAR POWER TECHNOLOGIES; DESALI-NATION COMPLEX; POWER GENERATION UNIT; REACTOR PLANT;NUCLEAR STRIM SUPPLY SYSTEM. https://engtech.spbstu.ru/article/2014.88.3/ 3_vasilev.pdf

RAR RUS 34-40 Rassokhin Victor Andreev Konstantin visantiya@freemail.ru Pham An sdd85@mail.ru CALCULATIVE INVESTIGATION A THERMAL SCHEME OF THE COMBINED TURBINE FOR ENERGY PLANT OF VIETNAM A brief description of three calculation programs for thermal schemes of gas-turbine and combined engines: Р1GPU, KGPTU and GateCycle is presented. For estimation of the scatter of results the comparative calculations of two combined plants are carried out and conclusions about the applicability of the programs are made. Some results of computational analisis of combined plant for Vietnam energy system are presented. 621.311.238 GAS TURBINE; COMBINED INSTALLATION; HEAT RECOVERY STEAM GENERATOR; PARAMETER; INDEX. https://engtech.spbstu.ru/article/2014.88.4/ 4_fam.pdf

RAR RUS 41-48 Petrosova Daria Spiridonova Tatiana spiridonova-mail@yandex.ru Duvanova Irina duvanova.i@mail.ru Alternative view on heat pump with vertical collector Day by day thermal pumps get increasing popularity in the Russian market of thermotechnics. Thermal pumps have already successfully proved its efficiency abroad. But efficiency of geothermal heat pump with vertical collector in Russian conditions (Leningrad area) has questioned. Therefore, authors have reviewed a possibility of applying more favorable options in practice. 62-69 heating engineering; heat pump; pellet combo-boiler; energy efficiency; energy saving; life cycle; payback period. https://engtech.spbstu.ru/article/2014.88.5/ 5_petrosova.pdf

RAR RUS 49-57 Shonin Oleg ninosh_eltech@mail.ru Pronko Vladimir pronko.vr@gmail.com Energy efficiency improvement of mine main fan installations by means of the multipurpose control system for vfd The paper analyzes energy saving potentials in a mine ventilation system of high power consumption in order to substantiate multipurpose control system for a main fan adjustable speed drive to minimize energy losses at different cross-sections of an energy flow. Modes of mine fans at minimum energy losses due to frequency control application have been derived on the basis of modeling of fan operational characteristics and variation of equivalent ventilation system resistance during the life time of a ventilator. An iterative search method for choosing the optimal parameters of complex axial fan control has been proposed to achieve maximum available efficiency at the specific mode of fan operation. 622.4:62–5 mine ventilation; energy saving; variable frequency electric drives; combined fan control. https://engtech.spbstu.ru/article/2014.88.6/ 6_shonin.pdf

RAR RUS 58-64 Galyshev Yuriy galyshev57@yandex.ru Shabanov Alexander aush2003@mail.ru Zaitsev Alexey abzaytsev@mail.ru Nemchikova Mariya seriousnmn@yandex.ru the boundary conditions of heat transfer in the working cavity of the cylinder head of the four-stroke internal combustion engine This article describes the proposed model by specifying the boundary conditions of the thermal load of the cylinder head of a high-powered diesel or gas engine, based on common methodological basis. Concerted discrete models cylinder head and body cavities is the combustion chamber, the exhaust channels and cavities of the cooling, allow end-to-end modeling of all processes that simplifies the procedure of calculation of parameters capacity for heads work and increases the accuracy and reliability of the results. 621.43.01 internal combustion engine; cylinder head; boundary conditions; the thermal loading; discrete models. https://engtech.spbstu.ru/article/2014.88.7/ 7_galyshev.pdf

RAR RUS 65-69 Nguyen Quok tutu1402@gmail.com Laskin Alexander a.s.laskin@mail.ru NUMERICAL INVESTIGATION OF THE INFLUENCES OF AXIAL SPACING BETWEEN BLADE ROWS IN A AXIAL TURBINE ON AERODYNAMIC FORCE A numerical study of axial turbine used to determine the level and characteristics of unsteady aerodynamic forces on the rotor blades. Numerical calculations based on the using of the package ANSYS CFX, which made it possible to obtain time-dependent change in the flow parameters and the aerodynamic forces on the rotor blades with variation rotor-stator axial spacing. The axial spacing area which corresponds to the minimum aerodynamic excitation was carried out. 621.165.001.5 axial turbine; numerical investigation; CFX; axial spacing; pressure fluctuation; aerodynamic force. https://engtech.spbstu.ru/article/2014.88.8/ 8_nguen.pdf

RAR RUS 70-77 Shonin Oleg ninosh_eltech@mail.ru Pronko Vladimir pronko.vr@gmail.com Minimization of energy losses in variable frequency electric drive of main mine fans The paper is devoted to the substantiation of energy saving algorithms for a scalar frequency control system of a main mine fan drive. The algorithms have been based upon dependencies of energy losses on flux linkage which enabled to formulate an optimal control law. These dependencies have been derived from results of simulation on the basis of a drive model which takes into account all kinds of energy losses. Minimization of energy losses has been implemented by a gradient algorithm search method of loss function extremum. Modeling of an optimal algorithm for starting the motor has revealed reduction of energy losses and improvement of the power factor. 621.3 mine ventilation; energy saving; variable frequency electric drives; minimization of energy losses; search method; optimum start-up algorithm. https://engtech.spbstu.ru/article/2014.88.9/ 9_shonin.pdf

RAR RUS 78-84 Vakulenko Aleksei aleksejvakulenko@yandex.ru METHODOLOGY OF NUMERICAL CALCULATION OF BREAKING LOAD FROM ICE RIDGE KEEL Presented herein are the results of numerical modeling of the breaking load from ice ridge keel interaction with a hydraulic structure, and the comparison of the last with analytical solution. The paper describes the methodology of the numerical calculations of the ice loads on arbitrary shape hydraulic structures. The results obtained from the numerical and analytical solutions for vertical structures are in a good correlation. 627 RIDGE KEEL; PLAXIS 2D; FEM; MOHR-COULOMB MODEL. https://engtech.spbstu.ru/article/2014.88.10/ 10_vakulenko.pdf

RAR RUS 85-92 Rudskoj Andrey rector@spbstu.ru Sokolov Yuriy s5577@inbox.ru Kopaev Vladimir vkopaev_ela@mail.ru MATHEMATICAL MODEL OF OPERATED HEATING OF SUBSTRATES RECTANGULAR SHAPE RECEIPT POWDER MATERIALS The present article reveals the technique of operated heating of top surface of rectangular form’s substrate. The offered model allows to raise level of controllability and repeatability of parametres of technological process’ parameters and to exclude influence of subjective factors. 621.791.722: 621.762.04 mathematical modeling substrate heat conduction temperature field. https://engtech.spbstu.ru/article/2014.88.11/ 11_rudskoj.pdf

RAR RUS 93-99 A-9655-2014 7007045735 0000-0001-7385-147X Peter the Great St. Petersburg Polytechnic University, Russia Kondrat'ev Sergey petroprom2013@yandex.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Shvecov Oleg shvec_off@mail.ru Alhimenko Aleksey wft-polytechnic@cef.spbstu.ru. THE CHANGING OF MECHANICAL PROPERTIES OF ALUMINIUM ALLOYS D16T AND 1953T1 IN THE CORROSION ENVIRONMENT OF OIL WELLS Influence of the corrosion environment under operating conditions of drilling pipes for oil wells on mechanical properties of aluminum alloys D16T and 1953T1 is studied. It is established that the alloy D16T is much steadier against corrosive attack at operation temperatures in comparison with 1953T1. 669.715.017:621.785.3:620.18:622.24.05:620.19 WROUGHT ALUMINUM ALLOYS; MECHANICAL PROPERTIES; CORROSION RESISTANCE; DRILL PIPES. https://engtech.spbstu.ru/article/2014.88.12/ 12_kondratev.pdf

RAR RUS 100-108 Shiryaeva Ludmila ilusiag@mail.ru Garbuzova Alina kafcmet@sibsiu.ru Galevsky Gennadiy kafcmet@mail.ru Production and use of titanium carbide (assessment, trends, forecasts) Titanium carbide TiC — wear — and corrosion-resistant, hard, chemically inert material, has been used in various fields for the manufacture of hard metal, cermet tools, refractory products, protective coatings of metals. New perspectives for the use of titanium carbide are opened when used in nanostate: modification of alloys of different composition and appointment. Economic evaluation of plasma production of titanium carbide showed that the productivity of 26 tonnes per year of titanium carbide (per one reactor) and cost 5.64 million rubles / T obtained selling price 400 $ / kg is optimal for plasma production of titanium carbide and reflects its competitiveness on the world market of nanomaterials. 661.655 titanium carbide; nanopowders; plasma synthesis. https://engtech.spbstu.ru/article/2014.88.13/ 13_shirjaeva.pdf

RAR RUS 109-116 Rudskoj Andrey rector@spbstu.ru Sokolov Yuriy s5577@inbox.ru Kopaev Vladimir vkopaev_ela@mail.ru MODELLING PROCESS ANGLE ROLLING CONE AT THE END OF THE TUBULAR BLANK In present article on the basis of the mathematical model describing process of thermal treatment, the problem of definition of a temperature field is solved per scanning of surface’s substrate by an electronic beam. Modelling is executed on the basis of finite element method. 621.791.722:621.762.04 mathematical modeling; surface scanning; electronic beam; substrate heat; conduction; temperature field. https://engtech.spbstu.ru/article/2014.88.14/ 14_rudskoj.pdf

RAR RUS 117-120 Cononov Pavel MODELLING PROCESS ANGLE ROLLING CONE AT THE END OF THE TUBULAR BLANK In this article aspects of the study was discussed using finite element method strained state of the tubular workpiece in the process rolling on her end of the cone to develop recommendations for the creation of parts without surface and internal fotce. 621.77.04 TECHNOLOGY; DETAIL WITH THE CONE; COLD FORGE PROCESSING; DEFORMATION. https://engtech.spbstu.ru/article/2014.88.15/ 15_kononov.pdf

RAR RUS 121-127 A-9655-2014 7007045735 0000-0001-7385-147X Peter the Great St. Petersburg Polytechnic University, Russia Kondrat'ev Sergey petroprom2013@yandex.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Ptashnik Alina alina_pv@mail.ru Anastasiadi Grigory Petrov Sergey QUANTITATIVE ASSESSMENT OF THE CONTENT OF PHASES IN HEAT RESISTING ALLOYS Cr25Ni35 The method of calculation of the quantitative content of disperse inclusions of strengthening phases with use electron microscopy in heat resisting alloys of 25Cr-35Ni-C-Si-Nb system is considered. The method with advantage is tested for an alloy 0.45C-26Cr-33Ni-2Si-2Nb. Experimental curve contents of chromium and niobium carbides in alloy structure after high-temperature endurance of various duration at 1150 °C are submitted. 669.1.017:669.018.44:669.018.891:539.25 CAST HEAT HEAT-RESISTANT ALLOYS; MICROSTRUCTURE; PHASE COMPOSITION; ELECTRON MICROSCOPY. https://engtech.spbstu.ru/article/2014.88.16/ 16_kondratev.pdf

RAR RUS 128-133 Kononov Aleksander a.a.kononov@russia.ru Influence of hot rolling modes on grain-oriented silicon steel grain size Hot rolled grain-oriented silicon steel sheets microstructure behavior was investigated depending on rolling modes. During laboratory hot rolling reduction rate and initial rolling temperature were varied. Grain size and austenite volume fraction in deformed specimens was observed. Results of laboratory hot rolling were compared with real production hot rolling sheets. 621.771.23 grain-oriented silicon steel; hot rolling; austenite volume fraction. https://engtech.spbstu.ru/article/2014.88.17/ 17_kononov.pdf

RAR RUS 134-140 Shaboldo Oleg shaboldo@yandex.ru Vitorsky Yaroslav mail@cniim.ru Shamshurin Аlexey Kononov Aleksander a.a.kononov@russia.ru β-Ti alloy structure formation during cold deformation processing and consequent heat treatment β-Ti (TC6) structure formation during cold drawing and heat treatment is studied. With help of EBSD-analysis technique it was considered that cell subgrain structure with grain boundary angle 0,5–0,7° was formed after cold deformation. After heat treatment at temperature of 700 °С received structure was transformed to polygonized structure with grain boundary angle 0,45–0,55° and subgrain size 0,15–0,25 µm. Heat treatment at temperature of 800 °С leads to fine grain recrystallized structure formation. 669.2.02/.09 drawing; cold deformation; recrystallization; polygonization; substructure. https://engtech.spbstu.ru/article/2014.88.18/ 18_shaboldo.pdf

RAR RUS 141-148 Popovich Anatoliy popovicha@mail.ru Maximov Maxim maximspbstu@mail.ru Nikiforova Oksana oksana-nikiphorova@yandex.ru Khaydorov Aleksandr haidorow@yandex.ru ATOMIC LAYER DEPOSITION APPLICATION FOR DEVELOPing THIN FILM LI-ION BATTERIES BASED ON TIN OXIDE IV Basic principles of the atomic layer deposition (ALD) and it advantages for thin film Li-ion batteries production are discussed in this article. Possibility of synthesis for wide range materials, including tin oxide IV is shown. Influence synthesis parameters on deposition rate and a thin films structure are presented. Electrochemical characteristics of SnO2 thin film electrodes produced by ALD process are shown. 541.136 atomic layer deposition; thin films li-ion batteries; thin film of tin oxide IV; thin films synthesis; Electrochemical performance of tin oxide IV. https://engtech.spbstu.ru/article/2014.88.19/ 19_popovich.pdf

RAR RUS 149-161 Lebedeva Olga lyapkosovaolga@mail.ru Lebedev Nikolai nikolay.lebedev@volsu.ru THE PIEZORESISTIVE EFFECT IN DOPED SINGLE-WALLED CARBON NANOTUBES IN THE «HUBBARD-I» APPROACH This article presents the results of theoretical research of the piezoresistive properties of doped single-walled carbon nanotubes (SWNT ) of two structural modifications : «arm-chair» and «zig-zag» types. The electronic structure of nanotubes doped by the substitution point defects is calculated within the Hubbard and Anderson models taking into account the Coulomb electron correlation in the «Hubbard-I» approximation. Nitrogen and boron were chosen as the acceptor and donor impurities, respectively. The elastic conductivity tensor — main characteristics of the piezoresistive effect was analytically calculated, their dependence on the concentration of defects and the magnitude of the strain of tension and compression was analyzed. 538.915+975:544.22.022.343:544.225.22+25 PIEZORESISTANCE; SUBSTITUTIONAL DEFECTS; ANDERSON MODEL; GREEN’S FUNCTIONS METHOD; ELASTIC CONDUCTIVITY TENSOR. https://engtech.spbstu.ru/article/2014.88.20/ 20_lebedeva.pdf

RAR RUS 162-173 Kuzkin Andrey kuskinay@bk.ru Latyshev Dmitriy Petrov Mihail Popov Vladimir THE MECHANICAL PROPERTIES OF MATERIALS WITH THE STATIC LOAD OF TUBULAR MODELS UNDER THE CONDITIONS OF THE FLAT AND VOLUMETRIC STRESSED STATES The description of installation for the tests of thin-walled tubular models under the conditions of the flat and volumetric stressed states with two- or three-parameter load is given by the pressures of liquid to 1000 MPa. The hypothesis of existence of universal dependence between the intensities of deformations and stresses underwent the experimental check. It communicates about the experiments on the study of the stability of the plastic deformation of isotropic and initially anisotropic metals. Is emphasized the urgency of experimental studies of viscoelastically plastic processes in present development stage of the mechanics solid of body being deformed. 539.3 MODEL OF THE INELASTIC BEHAVIOR OF MATERIALS; INSTALLATION FOR THE TESTS; IT IS VISCOELASTIC DUCTILE PLASTIC PROCESS. https://engtech.spbstu.ru/article/2014.88.21/ 21_kuzkin.pdf

RAR RUS 174-180 Bezenkin Nikolay vol4arok@gmail.com The effect of plastic deformation on stucture and properties of copper plates in casting mold The metal production efficiency in the case of continuous casting mostly depends on mechanical properties of copper plates in casting mold. Experiments had been provided on oxygen-free copper specimens under conditions of high-temperature — 23–400 °С. The relations betwen mechanical properties of deformed specimens (15–85 % degree of stain) and temperature had been studied. The casting mold plates made of oxygen-free copper were shown to have best operating propeties being deformed by 20–25 % degree of stain. 621.785 material science; continuous casting; copper plate mold; oxygen-free copper alloy; plastic deformation. https://engtech.spbstu.ru/article/2014.88.22/ 22_bezenkin.pdf

RAR RUS 181-186 Kozhubaev Yurii um-urii@rambler.ru Semenov Igor semenov@saugtu.nord.nw.ru CONTROL SYSTEMS FOR BELT CONVEYORS Chosen method of controlling the conveyor belt in order to improve its reliability. Defined input and output linguistic variables, formed the rule base of fuzzy inference systems, the graphs of the term-sets of input and output linguistic variables with the membership functions, the algorithm is implemented as a Mamdani fuzzy inference algorithm, the surface obtained fuzzy inference system for fuzzy control. With a special extension package Fuzzy Logic Toolbox in the software Matlab / Simulink simulation model is developed fuzzy control system. The efficacy of the developed model of fuzzy control, which can be used in the design and operation of multi-drive tape conveyors. 621.867.212.3 CONVEYOR SYSTEM; FUZZY LOGIC CONTROL SYSTEM; DRIVERS; RELIABILITY; ENERGENCY MODE; CONVEYOR BELT. https://engtech.spbstu.ru/article/2014.88.23/ 23_Kozhubaev.pdf

RAR RUS 187-193 Zhukov Eduard kii49@yandex.ru Lyubomudrov Sergey Lyubomudrow@yandex.ru Radkevich Mihail Rotarenko Olga olga.rotarenko@mail.ru The influence of the cutting on the surface guality of details made from promising hard-to-process materials Studies of high-altitude parameters of surface roughness, depending of the speed and size of wear of the cutting tool with finish machining of titanium and aluminium alloys. Recommendations of selection cutting speeds with the aim of obtaining the minimum value of high-altitude parameters of surface roughness 621.7.015 SURFACE ROUGHNESS; NUMERAL PARAMETERS OF SURFACERUFFNESS; SPEED OF CUTTING; WEAR DIMENSIONAL; FINISHING TURNING. https://engtech.spbstu.ru/article/2014.88.24/ 24_zhukov.pdf

RAR RUS 194-201 Kozar Ivan kii49@yandex.ru Kolodyazhniy Dmitriy kolod@uk-odk.ru Radkevich Mihail Tsimko Tatiana TSImkoshka@mail.ru A MATHEMATICAL MODEL OF ERROR FOR INTRACTABLE ALLOY TURNING Presented mathematical model error formation during turning high-temperature titanium alloys. Presented description of the experimental plant for determination and verification of the mathematical model coefficients. Investigated different parameters, which influence on the accuracy and productivity cutting. 621.941.1:621.9.014 ACCURACY OF CUTTING; TURNING; MATHEMATICAL MODEL; WEAR DIMANSIONAL; CUTTING FORCES; INTRACTABLE ALLOYS. https://engtech.spbstu.ru/article/2014.88.25/ 25_kozar.pdf

RAR RUS 202-209 Dubarenko Konstantin bsts@fkb.spbstu.ru Avakyan Sergey avak@soi.spb.ru Baranova Lubov l.baranova@mail.ioffe.ru Voronin Nikolay nik_v2@mail.ru Nikolskiy Genrikh gnik777@mail.ru THE ABILITY OF FORECASTING THE WEATHER AND CLIMATIC PARAMETERS SUBJECT TO SOLAR GEOMAGNETIC ACTIVITY The analysis of the registered satellite data of the distribution of the full (general) cloudiness has shown positive correlation between the cloudiness area and the burst of solar constant as well as the negative correlation with the number of sunspots. On the basis of the received results the article demonstrates the possibility of taking into account the solar activity in medium-term prospects of such major weather characteristics as full cloudiness area and the anomalies of the ground air temperature. 551.5 solar-geomagnetic activity; the variations of cloudiness; predictions of the cloudiness and temperature anomalies. https://engtech.spbstu.ru/article/2014.88.26/ 26_dubarenko.pdf

RAR RUS 210-215 56825574900 Peter the Great St. Petersburg Polytechnic University, Russia Gumeniuk Vasiliy kaf-uzchs@mail.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Grenchuk Andrey grenchuk@yandex.ru ABOUT THE POSSIBILITY OF MASS USAGE OF TOOLS INTENDED FOR THE DIAGNOSTICS OF THE ELECTRICAL EQUIPMENT FIRE STATE The problems of ensuring fire safety of electrical equipment to prevent accidents that are caused by growth of electric contacts intermediate resistances are analyzed. Tools for diagnostics of electrical contact connections overheating, which are suitable for mass usage in electrical equipment, are proposed. 621.3–1/-8 FIRE SAFETY; DIAGNOSTICS; ELECTRICAL CONTACT CONNECTIONS; PROTECTION; INTERMEDIATE RESISTANCE. https://engtech.spbstu.ru/article/2014.88.27/ 27_gumenjuk.pdf

CNF RUS 216-220 Fedotov Alexey Alex3238024@yandex.ru POLYTECHNIC UNIVERSITY THE BOARD OF TRUSTEES — 10 YEARS In the article covering action by the Board of Trustees SPbSPU for 10 years, from the day of its formation. The Council was established to assist in the implementation the management of the university authorized activity of the University, in solving urgent problems its development of competitiveness at SPbSPU the national and international market of educational services and research. 378 THE BOARD OF TRUSTEES; SPBSPU; EDUCATIONAL SERVICES; RESEARCH; DEVELOPMENT TASKS OF THE UNIVERSITY https://engtech.spbstu.ru/article/2014.88.28/ 28_fedotov.pdf

CHR RUS 221-223 The 85-th anniversary of the birthday of Leonid Getsov This article presents biographical notes on L.B. Getsov. In connection with its 85-year of the birth date. 001:929 L.B. GETSOV; 85 YEARS SINCE THE BIRTH. https://engtech.spbstu.ru/article/2014.88.29/ 29_semenov.pdf

PER RUS 228-231 Morachevski Andrey morachevski@mail.ru Firsova Elena PROFESSOR PAVEL P. FEDOT´ev (the 150 th anniversary of his birth) Essay is dedicated to of life, pedagogical and scientific activity professor of Petersburg (Petrograd, Leningrad) Polytechnic Institute (from 1904 to 1934.), corresponding Member of the USSR Academy of P.P. Fedot’ev (1864–1934), largest expert in the field of mineral technologies and technical electrochemistry, one of the founders of the domestic aluminum industry. 001:929 ESSAY; PEDAGOGICAL AND SCIENTIFIC ACTIVITY; PROFESSOR; ST. PETERSBURG POLYTECHNIC INSTITUTE; A MEMBER OF THE USSR ACADEMY OF SCIENCES; P.P. FEDOT´EV; FOUNDER. https://engtech.spbstu.ru/article/2014.88.30/ 31_morachevskij.pdf