Browsing by Author "Sitthithakerngkiet, Kanokwan"

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Citation - WoS: 24
Citation - Scopus: 26
Heat transfer analysis of unsteady MHD slip flow of ternary hybrid Casson fluid through nonlinear stretching disk embedded in a porous medium
(Elsevier, 2024) Khan, Dolat; Ali, Gohar; Kumam, Poom; Sitthithakerngkiet, Kanokwan; Jarad, Fahd; 234808; Matematik
The original article's purpose is to assess transfer of heat exploration for unsteady magneto hydrodynamic slip flow of ternary hybrid Casson fluid via a nonlinear flexible disk placed within a perforated medium of a magnetic field in the presence. Unsteady nonlinearly stretched disk inside porous material causes flow to occur. In the investigation, convective circumstances on wall temperature are also considered. The governing equations (PDEs) are transformed into ordinary differential equations (ODEs) using appropriate transformations, and the Keller-box technique is employed for their solution. In forced convection, the variable radiation has no direct impact on fluid velocity, but it is noticed that in the case of aiding flow, fluid velocity rises with an increase in radiation parameter, and the opposite is true in the case of opposing flow. Furthermore, it is experiential that fluid concentration and velocity goes up in creative chemical reactions, and both profiles decrease in detrimental chemical reactions. Moreover, a slightly greater unsteadiness characteristic lowers fluid, concentration, temperature and velocity. Physical parameters' effects on fluid temperature, concentration, and velocity, as well as on wall shear stress, energy, and mass transfer rates, are studied.
Citation - WoS: 27
Citation - Scopus: 23
Stability analysis for boundary value problems with generalized nonlocal condition via Hilfer–Katugampola fractional derivative
(Springer, 2020) Ahmed, Idris; Kumam, Poom; Jarad, Fahd; Borisut, Piyachat; Sitthithakerngkiet, Kanokwan; Ibrahim, Alhassan; 234808; Matematik
In this research, we present the stability analysis of a fractional differential equation of a generalized Liouville-Caputo-type (Katugampola) via the Hilfer fractional derivative with a nonlocal integral boundary condition. Besides, we derive the relation between the proposed problem and the Volterra integral equation. Using the concepts of Banach and Krasnoselskii's fixed point theorems, we investigate the existence and uniqueness of solutions to the proposed problem. Finally, we present two examples to clarify the abstract result.