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Some new Mappings in Bitopological Spaces
S.N. Maheshwari,Chae, Gyu-Ihn,S.S. Thakur 울산대학교 1981 연구논문집 Vol.12 No.2
쌍위상공간상에서 몇개의 새로운 사상들을 도입하고 그들의 성질들을 알아보며 도입된 새로운 사상들과 기존 사상들과의 관계를 연구한다. 끝으로 그들 상호간의 포함관계를 알아본다. The authors introduce some new mappings in bitopological spaces and obtain some of their properties and study their relationship with some known mappings. A diagram of implications is given.
Decomposition of regular openness of sets
S.N. Maheshwari,Chae, Gyu Ihn,S.S. Thakur 울산대학교 1981 연구논문집 Vol.12 No.1
정칙개집합과 정칙반개집합의 정의에 의하여, 우리는 그들의 제 성질들을 알아보고, 정칙개집합의 분할에 관한정리, 즉 정칙개집합이 되기 위한 필요충분조건은 개집합이고 동시에 정칙반개집합임을 보인다. 끝으로 새로운 분리공리들을 정의하여 그들 상호간의 포함관계를 알아본다. By definitions of a regular open set and a regular semiopen set, we find their properties and show the theorem on the decomposition of a regular open set, that is, a set is regular open if and only if it is open and regular semiopen. Finally, we define new separation axioms and find the implications between them in the part 'application'.
Almost Feebly continuous functions
Chae,Gyu-Ihn,S.N. Maheshwari,Jain,P.C. 울산대학교 1982 연구논문집 Vol.13 No.1
새로운 Almost feebly연속함수를 도입하여 이 함수들이 갖는 몇가지 성질을 알아 보았다. A new function called almost feebly continuous function has been introduced and some properties of these functions have been obtained.
Chae, Gyu Ihn,Jain, P. D.,Maheshwari, S. N. 울산대학교 1980 연구논문집 Vol.11 No.2
雙위상공간상에서 準개집합을 정의하고 또한 準T₁공간을 정의하여, 일반위상공간상에서 만족되는 정리(T₁공간이 되기위한 필요충분조건은 singleton subset 모두가 closed이다)가 雙위상공간상에서도 마찬가지로 만족됨을 보인다. In a bitopological space, we define a quasiopenset and a quasi T₁-space as well. And we show that the theorem satisfied in a general topological space (A topological space is T₁-space iff every singleton subset is closed) is also constitued in the bitopological space.
Chae, Gyu-Ihn,S.N. Maheshwari,S.S. Thakur 울산대학교 1981 연구논문집 Vol.12 No.2
α-수렴 필터의 개념을 도입하여 그것에 관하여 연구한다. The authors have introduced the concept of α-convergent filters and presented its study.
Shukla Vikram,Gera Bhuvaneshwar,Ganju Sunil,Varma Salil,Maheshwari N.K.,Guchhait P.K.,Sengupta S. 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.11
Hydrogen mitigation using Passive Autocatalytic Recombiners (PARs) has been widely accepted methodology inside reactor containment of accident struck Nuclear Power Plants. They reduce hydrogen concentration inside reactor containment by recombining it with oxygen from containment air on catalyst surfaces at ambient temperatures. Exothermic heat of reaction drives the product steam upwards, establishing natural convection around PAR, thus invoking homogenisation inside containment. CFD models resolving individual catalyst plate channels of PAR provide good insight about temperature and hydrogen recombination. But very thin catalyst plates compared to large dimensions of the enclosures involved result in intensive calculations. Hence, empirical correlations specific to PARs being modelled are often used in integral containment studies. In this work, an experimentally validated CFD model of PAR has been employed for developing an empirical correlation for Indian PAR. For this purpose, detailed parametric study involving different gas mixture variables at PAR inlet has been performed. For each case, respective values of gas mixture variables at recombiner outlet have been tabulated. The obtained data matrix has then been processed using regression analysis to obtain a set of correlations between inlet and outlet variables. The empirical correlation thus developed, can be easily plugged into commercially available CFD software.