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Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika最新文献

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RESONANCE HEATING OF SURFACES BY THERMAL SOLAR RADIATION 太阳热辐射对表面的共振加热
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-3-70-81
S. Gladkov, A. Godin
{"title":"RESONANCE HEATING OF SURFACES BY THERMAL SOLAR RADIATION","authors":"S. Gladkov, A. Godin","doi":"10.18384/2310-7251-2021-3-70-81","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-3-70-81","url":null,"abstract":"Aim of the article is to show that under the action of raying solar radiation on the surface of the metal plate will occur its resonance heating at the frequency where ω 0 – is the optical frequency of radiation, ε F – is an Fermi’s energy,  – is Planck constant. Methodology. Thanks to the method of the kinetic equation, the dependence of the thermal conductivity coefficient on the coordinate counted deep into the plate is calculated x .","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67952970","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}
引用次数: 0
NON-NEWTONIAN FLOW OF A LYOTROPIC LIQUID CRYSTAL POLYMER 一种溶变液晶聚合物的非牛顿流动
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-4-22-31
M. P. Vekovishchev, E. A. Kirsanov
{"title":"NON-NEWTONIAN FLOW OF A LYOTROPIC LIQUID CRYSTAL POLYMER","authors":"M. P. Vekovishchev, E. A. Kirsanov","doi":"10.18384/2310-7251-2021-4-22-31","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-4-22-31","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67954099","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}
引用次数: 0
DIELECTRIC PROPERTIES OF A 4-PENTIL-4’-CYANOBIPHENYL LIQUID CRICTAL IN A WIDE TEMPERATURE RANGE 4-铅笔-4 ' -氰联苯液体在宽温度范围内的介电性能至关重要
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-2-30-40
Ivan S. Lakunov, A. Zotov, V. A. Emelyanov, N. N. Barabanova
{"title":"DIELECTRIC PROPERTIES OF A 4-PENTIL-4’-CYANOBIPHENYL LIQUID CRICTAL IN A WIDE TEMPERATURE RANGE","authors":"Ivan S. Lakunov, A. Zotov, V. A. Emelyanov, N. N. Barabanova","doi":"10.18384/2310-7251-2021-2-30-40","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-2-30-40","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67951398","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}
引用次数: 0
CALCULATION OF THE FLOW FIELD NEAR THE ABSORBING SURFACE USING THE KINETIC-HYDRODYNAMIC MODEL AND INCREASING ITS COMPUTATIONAL EFFICIENCY 利用动力学-水动力模型计算吸波面附近的流场，提高计算效率
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-4-96-111
Y. Nikitchenko, A. Tikhonovets
{"title":"CALCULATION OF THE FLOW FIELD NEAR THE ABSORBING SURFACE USING THE KINETIC-HYDRODYNAMIC MODEL AND INCREASING ITS COMPUTATIONAL EFFICIENCY","authors":"Y. Nikitchenko, A. Tikhonovets","doi":"10.18384/2310-7251-2021-4-96-111","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-4-96-111","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67955345","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}
引用次数: 0
GEODESIC LINES IN THE SCHWARZSCHILD METRIC SPACE WITH ACCOUNT FOR THE EXTERNAL NON-GRAVITATIONAL EFFECT 考虑外部非引力效应的史瓦西度量空间中的测地线
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-4-6-21
S. Gladkov
{"title":"GEODESIC LINES IN THE SCHWARZSCHILD METRIC SPACE WITH ACCOUNT FOR THE EXTERNAL NON-GRAVITATIONAL EFFECT","authors":"S. Gladkov","doi":"10.18384/2310-7251-2021-4-6-21","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-4-6-21","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"260 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67954087","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}
引用次数: 0
ANALYTICAL ESTIMATION OF THE HIGHEST VALUE OF THE EFFECT OF HIGH-SPEED OVERSHOOT IN A SHOCK WAVE 冲击波中高速超调效应最大值的分析估计
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2021-01-01 DOI: 10.18384/2310-7251-2021-2-41-51
M. M. Kuznetsov, Y. D. Kuleshova
{"title":"ANALYTICAL ESTIMATION OF THE HIGHEST VALUE OF THE EFFECT OF HIGH-SPEED OVERSHOOT IN A SHOCK WAVE","authors":"M. M. Kuznetsov, Y. D. Kuleshova","doi":"10.18384/2310-7251-2021-2-41-51","DOIUrl":"https://doi.org/10.18384/2310-7251-2021-2-41-51","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67951544","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}
引用次数: 0
THE TUNNEL EFFECT FOR EXAMPLE OF A URANIUM NUCLEUS 例如铀原子核的隧道效应
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2020-01-01 DOI: 10.18384/2310-7251-2020-3-65-73
E. V. Zavitaev, O. Rusakov, A. I. Utkin
{"title":"THE TUNNEL EFFECT FOR EXAMPLE OF A URANIUM NUCLEUS","authors":"E. V. Zavitaev, O. Rusakov, A. I. Utkin","doi":"10.18384/2310-7251-2020-3-65-73","DOIUrl":"https://doi.org/10.18384/2310-7251-2020-3-65-73","url":null,"abstract":". Aim of the article is to consider a simplified model of tunneling of an α -particle in the uranium nucleus. Methodology . Based on the combination of two quantum-mechanical models, the transparency of the potential barrier as a function of the main quantum number is calculated. Results . The transparency of the potential barrier for α -particle in the field of nuclear forces of uranium is calculated depending on the main quantum number. Research implications . The functional dependence of the barrier transparency on the main quantum number is constructed, and the results obtained are discussed.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67951126","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}
引用次数: 0
MODELING OF THERMAL PROCESSES AFFECTING THE ORIGIN OF FACIAL GROWTH FORMS IN SINGLE CRYSTALS 影响单晶表面生长形式起源的热过程建模
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2020-01-01 DOI: 10.18384/2310-7251-2020-4-28-48
V. Yusim, S. Sarkisov, Raf K. Kalimullin, S. Petrov, Yuri Y. Kloss
{"title":"MODELING OF THERMAL PROCESSES AFFECTING THE ORIGIN OF FACIAL GROWTH FORMS IN SINGLE CRYSTALS","authors":"V. Yusim, S. Sarkisov, Raf K. Kalimullin, S. Petrov, Yuri Y. Kloss","doi":"10.18384/2310-7251-2020-4-28-48","DOIUrl":"https://doi.org/10.18384/2310-7251-2020-4-28-48","url":null,"abstract":"The aim of this work is to study the distribution of the thermal field inhomogeneity in the melt along the crystal growth axis for different growth methods. Methodology . Within the framework of the SolidWorks Premium complex, in the Flow Simulation package for the constructed geometric models of the crystallization apparatus of the Bridgman, Czochralski and HDC (horizontal directional crystallization) methods, a curvilinear block-structured base mesh was formed. The conjugate problem was solved in the thermal unit and the water-cooled jacket to study the processes of heat-mass transfer and the distribution of the thermal field inhomogeneity in the melt along the crystal growth axis for different growth methods. Results. The results of computer simulation of the distribution of temperature profiles over the vertical and cross sections of the crystals grown by the Bridgman and Czochralski methods are presented. Pictures of the characteristic arrangement of facets are obtained. The obtained data fully agree with the known corresponding experimental results for yttrium-aluminum garnet crystals. Research implications. The analysis of the obtained results of computer simulation, carried out on the basis of consideration of the general theory of crystal growth mechanisms and morphological instability of the crystallization front for the three main methods of growth, confirmed the correctness of the obtained model pictures of the appearance of faceted growth forms.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"128 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88112908","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}
引用次数: 0
ASYMPTOTIC APPROXIMATION FOR THE DISTRIBUTION OF PAIRS OF MOLECULES IN A SHOCK WAVE 激波中分子对分布的渐近逼近
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2020-01-01 DOI: 10.18384/2310-7251-2020-4-86-94
I. Demidov, M. M. Kuznetsov, M. K. Kuzmin, Y. D. Kuleshova
{"title":"ASYMPTOTIC APPROXIMATION FOR THE DISTRIBUTION OF PAIRS OF MOLECULES IN A SHOCK WAVE","authors":"I. Demidov, M. M. Kuznetsov, M. K. Kuzmin, Y. D. Kuleshova","doi":"10.18384/2310-7251-2020-4-86-94","DOIUrl":"https://doi.org/10.18384/2310-7251-2020-4-86-94","url":null,"abstract":"The aim of this work is to obtain asymptotically strict expressions for the distribution functions of pairs of molecules inside the front of a shock wave. Methodology. The work makes use of asymptomatic methods of theoretical physics, based on the selection of small parameters. Results. An asymptotically accurate expression is obtained for the distribution of pairs of heavy-component molecules of a binary shock of a compressed mixture of gases at the beginning of its progressive relaxation.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"250 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79191237","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}
引用次数: 1
UNEVEN ROTATION OVER A PLANE CIRCULAR ORBIT AROUND THE VERTICAL AXIS OF A CHARGED METAL BALL WITH ACCOUNT FOR DISSIPATIVE FORCES 耗散力:考虑到耗散力的影响，带电金属球绕其垂直轴的平面圆形轨道上的不均匀旋转
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2020-01-01 DOI: 10.18384/2310-7251-2020-2-36-47
S. Gladkov
{"title":"UNEVEN ROTATION OVER A PLANE CIRCULAR ORBIT AROUND THE VERTICAL AXIS OF A CHARGED METAL BALL WITH ACCOUNT FOR DISSIPATIVE FORCES","authors":"S. Gladkov","doi":"10.18384/2310-7251-2020-2-36-47","DOIUrl":"https://doi.org/10.18384/2310-7251-2020-2-36-47","url":null,"abstract":"Purpose. The nonlinear dynamics of a charged metal ball rotating over the horizontal plane is described and the solution of the nonlinear differential equation is analyzed, which takes into account both bremsstrahlung electromagnetic radiation and traditional resistance forces resulting from the viscosity of the continuum (viscous friction) and dry friction in the hinge joint. © CC BY Гладков С. О., 2020. ISSN 2072-8387 Вестник Московского государственного областного университета. Серия: Физика-Математика 2020 / No 2 37 Methodology and Approach. The research method is based on the compilation of a motion equation using the principle of preserving the hollow power of the system under study. Results. A dynamic motion equation is obtained and its analytical solution is found in a parametric form. Theoretical and Practical implications. The mathematical description of the dynamics of the movement of a charged metal ball over a circular orbit is proposed and a solution to the resulting equation/analysis can be practically used in the study of the motion of the planets of the Solar System.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67950181","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}
引用次数: 0
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