Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Merey M. Sarsengeldin"'
Publikováno v:
2021 IEEE 66th Holm Conference on Electrical Contacts (HLM).
Publikováno v:
Filomat. 32:1003-1008
The mathematical model describing the dynamics of heating in opening electrical contacts is presented. It takes into account the imperfect thermal contact between anode and cathode due to tunnel effect. The model is based on the system of spherical h
Publikováno v:
Filomat. 32:985-990
Exact solution of inverse one phase Stefan problem is represented in the form of linear combination of integral error functions. Heat flux function is reconstructed and coefficients of solution function are found exactly. Test problem was considered
Publikováno v:
Filomat. 31:1017-1029
The analytical solutions of the one- and two-phase Stefan problems are found in the form of series containing linear combinations of the integral error functions which satisfy a priori the heat equation. The unknown coefficients are defined from the
Publikováno v:
2018 IEEE Holm Conference on Electrical Contacts.
Dynamics of melting and welding of closed electrical contacts is analyzed for ac current half-wave. It is shown that in the range of low current and contact load the spherical model introduced by R. Holm describes satisfactorily the contact heating.
Publikováno v:
Mathematical Methods in the Applied Sciences.
In this paper, amodel problem that can be used for mathematical modeling and investigation of arc phenomena in electrical contacts is considered. An analytical approach for the solution of a two-phase inverse spherical Stefan problem where along with
Autor:
S.N. Kharin, Merey M. Sarsengeldin
Publikováno v:
2017 IEEE Holm Conference on Electrical Contacts.
The mathematical model describing dynamics of heating and the arc erosion in opening electrical contacts is presented. The arc heat flux components entering and leaving electrode surfaces owing to ion bombardment, electron emission, inverse electron
Publikováno v:
Springer Proceedings in Mathematics & Statistics ISBN: 9783319670522
The purpose of this study is to test the elaborated theory for inverse two phase spherical Stefan problem by using Integral Error Function and check effectiveness of the suggested solution form for engineering purposes. It was shown that by collocati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5035fa669d346a3986367f5ef6ce4d1f
https://doi.org/10.1007/978-3-319-67053-9_37
https://doi.org/10.1007/978-3-319-67053-9_37
Publikováno v:
Springer Proceedings in Mathematics & Statistics ISBN: 9783319670522
The mathematical model describing the axisymmetric electromagnetic field and the constriction resistance of the semispace with AC electrical current passing through a ring-shaped contact is presented. It is based on the system of the Maxwell equation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e881a4c1184fe3f0a0cefcc81e75bb16
https://doi.org/10.1007/978-3-319-67053-9_35
https://doi.org/10.1007/978-3-319-67053-9_35
Publikováno v:
Procedia - Social and Behavioral Sciences. 89:866-871
Mathematically and using statistical methods it was proved that, interdisciplinary connections help educators to develop new, effective methods that positively effect on mathematical achievement of students and additionally enable us to solve unsolva