Hanyang University · Engineering
Se-Jin Yook 교수의 연구실은 열전달, 유동 및 나노유체의 비정상적이고 복합적인 거동을 분석하는 데 초점을 맞추고 있습니다. 특히 열복사, 열확산, 나노입자 침착, 분수형 미분 방정식 기반의 열메모리 효과를 고려한 유체역학 모델링이 핵심 연구 주제입니다. 다양한 나노유체(예: CNT, 산화구리, 알루미나-에틸렌글리콜 혼합물)와 전자기적, 자석장, 슬립 경계 조건을 포함한 복잡한 물리적 환경에서의 유동 해석을 수행합니다. 고도화된 수치적 기법(RKF-45, 셰이팅 방법)과 정확한 해석적 기법(Laplace, Hankel 변환, G-함수 기반 해)을 융합해 응용 공학 문제에 기여하고 있습니다.
Figures are computed from collected data and may differ slightly.
Thermal radiation and thermophoretic particle deposition have important applications in research and engineering. These two principles are employed in practical applications such as electrical fuel, projectiles, thermal transportation, renewable energy, nuclear power plants, gas turbines, and aerospace engineering. In light of the aforementioned applications, the current study investigates the stagnation point hybrid CNTs movement around a rotating sphere in the existence of thermal radiation an
In the past decades, the thermal and rheological properties of nanofluids have attracted much attention from many investigators due to their numerous applications as promising enhanced working fluids. The present numerical analysis intended to evidence the main hydro-thermal and mass transport appearances featuring the convective flows of an exceptional non-homogeneous micropolar mixture (i.e., 60% of ethylene glycol, 40% of pure water, and copper oxide nanomaterials) over an impermeable horizon
The impact of the Atangana-Baleanu (AB) time-fractional integral on second-grade fluid with ternary nanoparticle suspension across an infinite vertical plate was studied in this paper. By generalized Fourier's law, the generalized fractional constitutive equation for the thermal flux explains a thermal process with memory. Closed-form solutions are calculated using Laplace transform and represented using Lorenzo and Hartley G–functions and integral forms. The numerical effects of physical and fr
Unsteady natural convection flow of viscous fluids in a circular cylinder, due to a generalized fractional thermal transport is analytically studied. The considered mathematical model is based on a new fractional differential constitutive equation of the thermal flux suitable to describe the thermal memory effects. To develop the mathematical model, the time-fractional Caputo-Fabrizio derivative is used. The generalized constitutive equation becomes equivalent to the classical Fourier's law for
This research looked at the unsteady free convection flows of an incompressible viscous fluid with heat/sink in a vertical cylinder containing a mixture of 47 nm alumina nanoparticles in water. The flow direction is subjected to a perpendicular magnetic field. The generalization entails taking into account a new version of the constitutive equation for thermal flux, known as the generalized Atangana-Baleanu derivative, which is based on the generalized time-fractional derivative with Mittag-Leff
Interaction of nanoparticles with fluids is receiving considerable interest in the area of nanotechnology research. The purpose of this research is to see how a ternary nanofluid performs over a slippery surface. The energy equation is used to explain the heat source/sink effect. As a novel feature of the article, suction, slip effect, and convective boundary conditions are incorporated at the wall. The physical flow problem is formulated using boundary layer equations, which are then transforme
Current work unfolds the transport of energy of blood containing nanoparticles of iron oxide (Fe3O4) and mass transport is focalized by considering the homogeneous-heterogeneous chemical process with attached mathematical model of Cross nanofluid. The chemical process is carried out by chemical species and autocatalysis. Nonlinear Partial differential equations (PDEs) are appeared by mathematical model of Cross nanofluid and further delt with transformation for conversion of PDEs into Ordinary d
The present model deals with the consequence of Dufour, activation energy, and generation of heat on electromagnetohydrodynamic flow of hyperbolic tangent nanofluid via a stretching sheet. This offers a broad significance in several engineering fields. With adequate similarity variables, the regulating governing equations of PDEs are renovated into nonlinear ODEs. The numerical output of the produced ordinary differential equations is conducted with MATLAB bvp4c. The influence of increasing feat
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