Pub Date : 2021-03-11DOI: 10.1109/REEPE51337.2021.9387987
I. A. Dyadichenko, Yahira L.Ogando De Oleo, I. Samson
The objective of this work was to propose the design of an evaporator, to be used in an adsorption solar refrigeration system, which works by using the phenomenon of methanol adsorption on activated carbon. Since the cold generation process in adsorption refrigeration systems is not continuous, an evaporator must be designed to produce the maximum amount of ice possible without reaching very low temperatures inside the evaporator. Obtaining the temperatures at the evaporator outlet and the areas on which they depend are the basis of this study. For different diameters of the cylindrical evaporator and different thicknesses of the ice layer, the convective heat transfer coefficients, the thermal resistance on the evaporator walls and the methanol temperatures inside the evaporator were evaluated. The most suitable evaporator dimensions were chosen according to the thermal analysis performed.
{"title":"Design of a cylindrical geometry evaporator for the cold production of an adsorption solar cooler","authors":"I. A. Dyadichenko, Yahira L.Ogando De Oleo, I. Samson","doi":"10.1109/REEPE51337.2021.9387987","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9387987","url":null,"abstract":"The objective of this work was to propose the design of an evaporator, to be used in an adsorption solar refrigeration system, which works by using the phenomenon of methanol adsorption on activated carbon. Since the cold generation process in adsorption refrigeration systems is not continuous, an evaporator must be designed to produce the maximum amount of ice possible without reaching very low temperatures inside the evaporator. Obtaining the temperatures at the evaporator outlet and the areas on which they depend are the basis of this study. For different diameters of the cylindrical evaporator and different thicknesses of the ice layer, the convective heat transfer coefficients, the thermal resistance on the evaporator walls and the methanol temperatures inside the evaporator were evaluated. The most suitable evaporator dimensions were chosen according to the thermal analysis performed.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116094117","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9387972
V. Kostarev, I. Shirmanov, D. N. Litvinov, S. Shcheklein
Currently, nuclear power plants need to increase thermodynamic efficiency and improve safety in order to maintain competitiveness in the electricity production market. The usage of fossil-fired steam superheating with reduced initial parameters of the primary and secondary circuits in the thermodynamic cycle of a nuclear power plant with a VVER-1200 reactor makes it possible to increase the energy efficiency and safety of nuclear power plants by increasing the nuclear fuel burnup, as well as the absence of the need to manufacture expensive high-pressure vessels for reactors. The paper presents the substantiation of the effectiveness of the use of fossil-fired steam superheating in the thermodynamic cycle of a nuclear power plant with a VVER-1200 reactor for increasing the efficiency of the nuclear fuel usage, as well as the safety of the reactor plant as a whole.
{"title":"The Increasing of the Nuclear Fuel Usage and the Safety Efficiency of VVER-Type Reactors by Using Fossil-Fired Steam Superheating","authors":"V. Kostarev, I. Shirmanov, D. N. Litvinov, S. Shcheklein","doi":"10.1109/REEPE51337.2021.9387972","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9387972","url":null,"abstract":"Currently, nuclear power plants need to increase thermodynamic efficiency and improve safety in order to maintain competitiveness in the electricity production market. The usage of fossil-fired steam superheating with reduced initial parameters of the primary and secondary circuits in the thermodynamic cycle of a nuclear power plant with a VVER-1200 reactor makes it possible to increase the energy efficiency and safety of nuclear power plants by increasing the nuclear fuel burnup, as well as the absence of the need to manufacture expensive high-pressure vessels for reactors. The paper presents the substantiation of the effectiveness of the use of fossil-fired steam superheating in the thermodynamic cycle of a nuclear power plant with a VVER-1200 reactor for increasing the efficiency of the nuclear fuel usage, as well as the safety of the reactor plant as a whole.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125739771","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388063
D. Pokamestov, Y. Kryukov, E. Rogozhnikov, I. Kanatbekuli
Non-orthogonal multiple access (NOMA) methods are a promising technology for organizing the physical layer of next generation communication networks. Sparse code multiple access (SCMA) is one of the most efficient NOMA implementations. The SCMA method is based on the use of codebooks – sets of sparse signals. The structure and content of codebooks determines the communication rate and interference immunity. This paper describes the transmission of communication system signals to SCMA in multipath communication channels with a frequency selective fading. The method of codebooks adapting for transmission channel state has been proposed. The bit error rate (BER) performance of this method has been estimated for various channel models corresponding to 5G FR1 systems and for various channel estimation accuracy. The effectiveness of the proposed method has been shown. The research results can be applied in other NOMA systems.
{"title":"Adapting SCMA Codebooks to Channel State","authors":"D. Pokamestov, Y. Kryukov, E. Rogozhnikov, I. Kanatbekuli","doi":"10.1109/REEPE51337.2021.9388063","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388063","url":null,"abstract":"Non-orthogonal multiple access (NOMA) methods are a promising technology for organizing the physical layer of next generation communication networks. Sparse code multiple access (SCMA) is one of the most efficient NOMA implementations. The SCMA method is based on the use of codebooks – sets of sparse signals. The structure and content of codebooks determines the communication rate and interference immunity. This paper describes the transmission of communication system signals to SCMA in multipath communication channels with a frequency selective fading. The method of codebooks adapting for transmission channel state has been proposed. The bit error rate (BER) performance of this method has been estimated for various channel models corresponding to 5G FR1 systems and for various channel estimation accuracy. The effectiveness of the proposed method has been shown. The research results can be applied in other NOMA systems.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123608725","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388038
A. V. Sergeev, P. Khorev
Steganography is the science of hiding information in various types of data. Some of the most popular formats for Microsoft Office electronic documents are docx, xlsx, and pptx. The paper analyzes the structure of documents according to the OOXML standard. Algorithms for embedding data in electronic documents such as docx, xlsx and pptx, using the functionality of Microsoft office, as well as corresponding to a zip archive, are considered. There are six types of data attachments: zip comments, restricted zip fields, file embedding, additional Xml fields, hidden text, and tracking text. The stability of the data algorithm and the main advantages and disadvantages are assessed.
{"title":"Overview on Hiding Data in Microsoft Office Documents","authors":"A. V. Sergeev, P. Khorev","doi":"10.1109/REEPE51337.2021.9388038","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388038","url":null,"abstract":"Steganography is the science of hiding information in various types of data. Some of the most popular formats for Microsoft Office electronic documents are docx, xlsx, and pptx. The paper analyzes the structure of documents according to the OOXML standard. Algorithms for embedding data in electronic documents such as docx, xlsx and pptx, using the functionality of Microsoft office, as well as corresponding to a zip archive, are considered. There are six types of data attachments: zip comments, restricted zip fields, file embedding, additional Xml fields, hidden text, and tracking text. The stability of the data algorithm and the main advantages and disadvantages are assessed.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124925871","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388033
A. Merkulov, S. Zhgoon, A. S. Shvetsov, N. Belyankin
A sensor based on surface acoustic waves (SAW) can be used as one of the variants of sensitive elements of a measuring system. The realtime monitoring of vibration can significantly improve the stable operation of the turbine installation, ensure a timely shutdown and notify on timely repairs. This work applies the modeling that allows to describe the dynamic behavior of the sensor frequency response for multisensor systems. The modeling is used for theoretical investigation of such systems in further development of this topic.
{"title":"Properties of SAW Vibration Sensors Applicable in the Field of Power Engineering","authors":"A. Merkulov, S. Zhgoon, A. S. Shvetsov, N. Belyankin","doi":"10.1109/REEPE51337.2021.9388033","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388033","url":null,"abstract":"A sensor based on surface acoustic waves (SAW) can be used as one of the variants of sensitive elements of a measuring system. The realtime monitoring of vibration can significantly improve the stable operation of the turbine installation, ensure a timely shutdown and notify on timely repairs. This work applies the modeling that allows to describe the dynamic behavior of the sensor frequency response for multisensor systems. The modeling is used for theoretical investigation of such systems in further development of this topic.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124977827","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388056
Maxim A. Dubovitskiy, Soltanbek Yu. Pashaev, A. Zhukov
The key issues of combined electrodynamic methods construction in relation to the analysis of antenna systems and microwave elements are considered. Based on combined methods, the general algorithms of the analysis and functioning of modern CAD in the field of electrodynamic modeling are constructed. Further development of computer technologies shows trends towards the creation of intelligent CAD/CAE systems using Machine Learning to automate computing processes. In this paper, we propose to consider three levels of intelligence achieved in the development of CAD entirely on the organizational principles of Artificial Intelligence systems using both formal and heuristic design procedures.
{"title":"Machine Learning Based Computational Electromagnetic Methods for Intelligence CAD/CAE Application","authors":"Maxim A. Dubovitskiy, Soltanbek Yu. Pashaev, A. Zhukov","doi":"10.1109/REEPE51337.2021.9388056","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388056","url":null,"abstract":"The key issues of combined electrodynamic methods construction in relation to the analysis of antenna systems and microwave elements are considered. Based on combined methods, the general algorithms of the analysis and functioning of modern CAD in the field of electrodynamic modeling are constructed. Further development of computer technologies shows trends towards the creation of intelligent CAD/CAE systems using Machine Learning to automate computing processes. In this paper, we propose to consider three levels of intelligence achieved in the development of CAD entirely on the organizational principles of Artificial Intelligence systems using both formal and heuristic design procedures.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"315 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127080664","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388028
P. Kanin, T. A. Gubanova, A. Zabirov, A. Shcherbakov, V. Yagov
The paper describes new experiments on cooling of metallic spherical and cylindrical bodies in film boiling with submerged impinging jet of the same liquid. The submerged jet impingement is considered as a method of destabilization of the vapor film around a cooled body during film boiling due to initiating a cold spot at the stagnation point. From this cold spot, the cooling front can propagate along the cooled surface with transition to the more intensive heat transfer regime. According to the results of the experiments, the jet leads to significant disturbance of cooling uniformity with an increase in surface temperature at vapor film collapse (transition temperature).
{"title":"An experimental investigation of film boiling with submerged impinging jet","authors":"P. Kanin, T. A. Gubanova, A. Zabirov, A. Shcherbakov, V. Yagov","doi":"10.1109/REEPE51337.2021.9388028","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388028","url":null,"abstract":"The paper describes new experiments on cooling of metallic spherical and cylindrical bodies in film boiling with submerged impinging jet of the same liquid. The submerged jet impingement is considered as a method of destabilization of the vapor film around a cooled body during film boiling due to initiating a cold spot at the stagnation point. From this cold spot, the cooling front can propagate along the cooled surface with transition to the more intensive heat transfer regime. According to the results of the experiments, the jet leads to significant disturbance of cooling uniformity with an increase in surface temperature at vapor film collapse (transition temperature).","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127728344","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388068
M. Zhokhova, I. Putilova, M. V. Karpunina
The paper deals with the topical issues of introducing the distance learning technologies into the educational process when teaching the discipline “TFEE”. This can be applied for students of internal and external studying modes under bachelors’ programs, and for trainees of advanced training and professional retraining programs in the field of Electric Power Engineering and Electrical Engineering implemented in the NRU “MPEI”. In this work, it has been proposed solutions that are tested when teaching the students of the Institute of Electric Power Engineering and the Institute of Electrical Engineering and Electrification, as well as the trainees of additional professional education programs implemented at the Centre for Science and Education “Ecology of Power Engineering” of the MPEI.
{"title":"Application of the distance learning technologies when mastering the discipline “Theoretical foundations of electrical engineering”","authors":"M. Zhokhova, I. Putilova, M. V. Karpunina","doi":"10.1109/REEPE51337.2021.9388068","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388068","url":null,"abstract":"The paper deals with the topical issues of introducing the distance learning technologies into the educational process when teaching the discipline “TFEE”. This can be applied for students of internal and external studying modes under bachelors’ programs, and for trainees of advanced training and professional retraining programs in the field of Electric Power Engineering and Electrical Engineering implemented in the NRU “MPEI”. In this work, it has been proposed solutions that are tested when teaching the students of the Institute of Electric Power Engineering and the Institute of Electrical Engineering and Electrification, as well as the trainees of additional professional education programs implemented at the Centre for Science and Education “Ecology of Power Engineering” of the MPEI.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"101 2-3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120932215","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388074
A. Borovkova, O. Kondrateva, Roman A. Anismov, E. Gasho
The transition to the principles of the best available technologies (BAT) requires the development of indicators that will assess the effectiveness of the implementation of the proposed technologies. This assessment is related to the need to resolve the issues of choice, priority and funding for the implementation of BAT. The paper analyzes economic indicators, indicators of green growth, indicators of sustainable development and indicators of the ecological situation of territories. Of these, 12 indicators were selected and adapted for the enterprise, which reflect the most significant environmental and economic aspects. The proposed group of indicators allows to compare the efficiency of the enterprise before and after the implementation of BAT in terms of economic and environmental aspects.
{"title":"Development of Indicators to Assess the Effectiveness of the Implementation of the Best Available Technologies in the Energy","authors":"A. Borovkova, O. Kondrateva, Roman A. Anismov, E. Gasho","doi":"10.1109/REEPE51337.2021.9388074","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388074","url":null,"abstract":"The transition to the principles of the best available technologies (BAT) requires the development of indicators that will assess the effectiveness of the implementation of the proposed technologies. This assessment is related to the need to resolve the issues of choice, priority and funding for the implementation of BAT. The paper analyzes economic indicators, indicators of green growth, indicators of sustainable development and indicators of the ecological situation of territories. Of these, 12 indicators were selected and adapted for the enterprise, which reflect the most significant environmental and economic aspects. The proposed group of indicators allows to compare the efficiency of the enterprise before and after the implementation of BAT in terms of economic and environmental aspects.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127232814","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 : 2021-03-11DOI: 10.1109/REEPE51337.2021.9388047
O. Glukhov, N. Masalkova, R. Kulikov, T. Brovko, D. Tsaregorodtsev
This paper describes the creation of a tracking system represented by a wheeled robot following a target (for example, a human). An artificial neural network (ANN) is used in the control loop of the robot to determine the range and bearing of the target, which are the tracking parameters. The main focus of the work is to develop a computer model of ANN capable of calculating near-optimal estimates of tracking parameters. In this case, the root mean square error (RMSE) of tracking parameter estimates is used as the criterion of efficiency of ANN operation. As a result, for the best ANN model the RMSE for the range was 0.009 m, and for the bearing was 1.006 degrees.
{"title":"Artificial Neural Network in the Control Loop of a Wheeled Robot","authors":"O. Glukhov, N. Masalkova, R. Kulikov, T. Brovko, D. Tsaregorodtsev","doi":"10.1109/REEPE51337.2021.9388047","DOIUrl":"https://doi.org/10.1109/REEPE51337.2021.9388047","url":null,"abstract":"This paper describes the creation of a tracking system represented by a wheeled robot following a target (for example, a human). An artificial neural network (ANN) is used in the control loop of the robot to determine the range and bearing of the target, which are the tracking parameters. The main focus of the work is to develop a computer model of ANN capable of calculating near-optimal estimates of tracking parameters. In this case, the root mean square error (RMSE) of tracking parameter estimates is used as the criterion of efficiency of ANN operation. As a result, for the best ANN model the RMSE for the range was 0.009 m, and for the bearing was 1.006 degrees.","PeriodicalId":272476,"journal":{"name":"2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114214492","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：