Performance of thermosolutal discharge for double diffusive mixed convection of hybrid nanofluid in a lid driven concave–convex chamber

Hansda, Samrat; Pandit, Swapan K.

doi:10.1007/s10973-022-11699-5

Cited by 16 publications

(4 citation statements)

References 56 publications

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“…They observed that the waviness of the lower surface of the cabinet could enhance the Nusselt number. Similar studies are available in the literature (Biswas et al , 2022; Das et al , 2003; Hamzah et al , 2022; Cho, 2019; Hansda et al , 2022; Hussain et al , 2017; Rudziva et al , 2022; Hansda and Pandit, 2022).…”

Section: Introductionsupporting

confidence: 65%

On the analysis of thermosolutal mixed convection in differentially heated and soluted geometries beyond rectangular

Hansda

Pandit

2023

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Purpose This paper aims to study the impact of convexity and concavity of the vertical borders on double-diffusive mixed convection. In addition, the study of entropy generation is performed. This numerical study has been carried out for different patterns of wavy edges to reveal their effects on heat and mass transfer phenomena. Design/methodology/approach Four different flow features are treated by varying the directions of convexity and concavity of the vertical walls. A uniform temperature, as well as concentration distributions, are introduced to the left border while keeping a cold temperature and low concentration for the right border. The horizontal boundaries are in adiabatic condition. The upper border of the chamber is moving in the right direction with an equal speed. The governing Navies–Stokes equations are designed to describe energy and species transport phenomena, and these equations are solved by compact scheme. Findings The investigated results are analyzed for various parameters, namely, Prandtl number, Richardson number, thermal Grashof number, Lewis number, Buoyancy ratio and amplitude of the wavy walls. It is observed that the thermal and solutal transfer performance becomes effective with lower Richardson numbers. The results reveal that the concavity and convexity of the side borders of the cabinet can control the thermosolutal performance. It is also observed that among all wavy chambers, Case-4 records maximum thermosolutal transfer rate, while Case-3 attains minimum thermosolutal transfer rate. Originality/value This work is an example of solar thermal power conversion, power collection systems, systems of energy deficiency, etc.

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Section: Introductionsupporting

confidence: 65%

On the analysis of thermosolutal mixed convection in differentially heated and soluted geometries beyond rectangular

Hansda

Pandit

2023

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“…To solve the governing equations ( 11)-( 14), a numerical procedure based on a transformation technique is used. The transformation is defined as follows (Hansda and Pandit, 2023d):…”

Section: Numerical Procedures and Validation 41 Methodologymentioning

confidence: 99%

“…To solve the governing equations (11)–(14), a numerical procedure based on a transformation technique is used. The transformation is defined as follows (Hansda and Pandit, 2023d): where ξ and η are the transformed coordinates. This transformation allows us to convert the governing equations from the physical domain to a transformed domain where numerical computations can be performed more efficiently.…”

Section: Methodsmentioning

confidence: 99%

Analysis of thermsolutal performance and entropy generation for ternary hybrid nanofluid in a partially heated wavy porous cabinet

Hansda,

Chattopadhyay,

Pandit

2023

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Purpose This study comprehensively examines entropy generation and thermosolutal performance of a ternary hybrid nanofluid in a partially active porous cabinet. The purpose of this study is to comprehend the intricate phenomena of double diffusion by investigating the dispersion behavior of Al2O3, CuO, and Ag nanoparticles in water. Design/methodology/approach The cabinet design consists of two horizontal walls and two curved walls with the lower border divided into a heated and concentrated region of length b and the remaining sections are adiabatic. The vertical borders are cold and low concentration, while the upper border is adiabatic. Two cavity configurations such as convex and concave are considered. A uniform porous medium is taken within the ternary hybrid nanofluid. This has been characterized by the Brinkman-extended Darcy model. Thermosolutal phenomena are governed by the Navier-Stokes equations and are solved by adopting a higher-order compact scheme. Findings The present study focuses on exploring the influence of several well-defined parameters, including Rayleigh number, Darcy number, Lewis number, Buoyancy ratio number, nanoparticle volume concentration and heater size. The results indicate that the ternary hybrid nanofluid outperforms both the mono and hybrid nanofluids in all considered aspects. Originality/value This study brings forth a significant contribution by uncovering novel flow features that have previously remained unexplored. By addressing a well-defined problem, the work provides valuable insights into the enhancement of thermal transport, with direct implications for diverse engineering devices such as solar collectors, heat exchangers and microelectronics.

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“…Krishna Chaitanya and Chatterjee 13 discussed mixed convection flow past counter rotating side by side cylinders having low Reynold number. Hansda and Pandit 14 took double diffusive mixed convection flow of hybrid fluid for studying the performance of thermosolutal discharge in concave/convex chamber. Ali et al works on Cattaneo-Christov heat flux theory for mixed convection flow in rotating disk.…”

Section: Introductionmentioning

confidence: 99%

Triple-diffusive free convection enhancement at the stagnation point on moving sheet under the influence of hall effect and mass flux

Islam,

Mahmood,

Khan

et al. 2024

Advances in Mechanical Engineering

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This study seeks to examine the impact of convective heat transfer, buoyancy ratios, hall current effect, nonlinear thermal radiation, Schmidt number, Prandtl number and mass flux condition on the temperature profiles, velocity profiles and concentration profiles. The research explores into mass and heat transfer characteristics of a stagnation point flow of a free convective triple diffusion with considerations for convective boundary constraints and nonlinear thermal radiation over a mobile vertical plate. To elucidate the aims and methodology, the study utilizes similarity transformation to convert the governing partial differential equations into a set of nonlinear ordinary differential equations. Numerical solutions are obtained employing a fourth-order Runge-Kutta shooting strategy. The findings, showcased through graphical representations, unravel the intricate interplay of parameters, shedding light on flow distribution, temperature, and velocity profiles. These quantitative results not only enhance our scientific understanding of fluid dynamics but also hold practical implications across diverse sectors. Notably, the acquired insights are poised to benefit fields such as environmental science and engineering, where optimizing heat and mass transfer processes is paramount. This research thus contributes valuable perspectives to both the theoretical framework of fluid dynamics and its real-world applications.

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Performance of thermosolutal discharge for double diffusive mixed convection of hybrid nanofluid in a lid driven concave–convex chamber

Cited by 16 publications

References 56 publications

On the analysis of thermosolutal mixed convection in differentially heated and soluted geometries beyond rectangular

On the analysis of thermosolutal mixed convection in differentially heated and soluted geometries beyond rectangular

Analysis of thermsolutal performance and entropy generation for ternary hybrid nanofluid in a partially heated wavy porous cabinet

Triple-diffusive free convection enhancement at the stagnation point on moving sheet under the influence of hall effect and mass flux

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