Control of buoyant flow and heat dissipation in a porous annular chamber using a thin baffle

Pushpa, B. V.; Do, Younghae; Sankar, M.

doi:10.1007/s12648-021-02120-2

Cited by 8 publications

(3 citation statements)

References 39 publications

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“…(5) Pushpa et al, (2021) [5] Simulation studies of buoyant transferring heat inside a finite porosity cylinder circumferential area with a circular barrier attached to the inner cylinder are shown in this study. Because of the direct significance of this topic to the construction of heating systems, the major goal of this inquiry is to offer a detailed influence of baffle on forced convection heat transport rates.…”

Section: Literature Reviewmentioning

confidence: 83%

CFD Analysis of Various Design Aspects in Baffle Tube Heat Exchanger

Mishra¹,

Daniel²,

Asthana³

2022

IJOSCIENCE

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To improve temperature difference, a computer simulation assessment for a rectangular duct with right angle confounds heat exchanger with small displacements and bewilder height was carried out. A total of 10 There were three separate two half Autocad models of rectangular shaped channel with bewilders spacing of 40 milimetre, 80 milimetre, and 120 milimetre and baffle heights of 10 mm, 12.5 milimetre, and 15 milimetre developed. The major goal of this study is to run computer simulations to see how Cu water nanoparticle affect the architecture and thermally hydrodynamic characteristics of a rectangular duct with baffles exchanger. The bottom walls of the canal, as well as the baffles, are regarded isothermal zones, whereas the sidewalls are termed regular zones. This approach employs a second derivative upwind mass and energy equation. The baffle pitch and height have a significant influence on the temperature distribution from the rectangle shaped channel heating element, with a maximal temperature fluctuations of 9.831oC and a maximum heat transfer of 6.571 KW for baffle spacing 40 mm and height 15 mm for rectangle channel without opposite baffles. In comparison to the base design of rectangle shaped channels exchanger, the temperature difference increases nearly 1.5 times as even the width is decreased.

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Section: Literature Reviewmentioning

confidence: 83%

CFD Analysis of Various Design Aspects in Baffle Tube Heat Exchanger

Mishra¹,

Daniel²,

Asthana³

2022

IJOSCIENCE

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“…The specific focus of their investigation was on the influence of double diffusion. In a similar vein, Pushpa et al [ 33 ] initiated an inquiry to delve into the control of heat dissipation and buoyant flow within a porous annular chamber, employing a thin baffle for this purpose. Swamy et al [ 34 ] conducted an analysis on the transport of energy and generation of entropy in a vertical porous annulus that was filled with a nanoliquid composed of Cu-water.…”

Section: Introductionmentioning

confidence: 99%

Analytical study on couple stress flow of GO-EG and GO-W nanofluid over an extending cylinder along with variable viscosity

Rehman,

Khun,

Salleh

et al. 2023

Heliyon

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“…Buoyant versus entropy generation analysis carried out to examine the thermal effects in an annulus filled with NF was explored by Sankar et al (2022). Considering the thin baffle discussed, the buoyant convection in an annular surface (Pushpa et al , 2016; Pushpa et al , 2022).…”

Section: Introductionmentioning

confidence: 99%

Homotopic simulation of MHD bioconvective flow of water-based hybrid nanofluid over a thermal convective exponential stretching surface

Shamshuddin,

Saeed,

Mishra

et al. 2023

HFF

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Purpose Whilst a modest number of investigations have been undertaken concerning nanofluids (NFs), the exploration of fluid flow under exponentially stretching velocities using NFs remains comparatively uncharted territory. This work presents a distinctive contribution through the comprehensive examination of heat and mass transfer phenomena in the NF ND–Cu/H2O under the influence of an exponentially stretching velocity. Moreover, the investigation delves into the intriguing interplay of gyrotactic microorganisms and convective boundary conditions within the system. Design/methodology/approach Similarity transformations have been used on PDEs to convert them into dimensionless ODEs. The solution is derived by using the homotopy analysis method (HAM). The pictorial notations have been prepared for sundry flow parameters. Furthermore, some engineering quantities are calculated in terms of the density of motile microbes, Nusselt and Sherwood numbers and skin friction, which are presented in tabular form. Findings The mixed convection effect associated with the combined effect of the buoyancy ratio, bioconvection Rayleigh constant and the resistivity due to the magnetization property gives rise to attenuating the velocity distribution significantly in the case of hybrid nanoliquid. The parameters involved in the profile of motile microorganisms attenuate the profile significantly. Practical implications The current simulations have uncovered fascinating discoveries about how metallic NFs behave near a stretched surface. These insights give us valuable information about the characteristics of the boundary layer close to the surface under exponential stretching. Originality/value The novelty of the current investigation is the analysis of NF ND–Cu/H2O along with an exponentially stretching velocity in a system with gyrotactic microorganisms. The investigation of fluid flow at an exponentially stretching velocity using NFs is still relatively unexplored.

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Control of buoyant flow and heat dissipation in a porous annular chamber using a thin baffle

Cited by 8 publications

References 39 publications

CFD Analysis of Various Design Aspects in Baffle Tube Heat Exchanger

CFD Analysis of Various Design Aspects in Baffle Tube Heat Exchanger

Analytical study on couple stress flow of GO-EG and GO-W nanofluid over an extending cylinder along with variable viscosity

Homotopic simulation of MHD bioconvective flow of water-based hybrid nanofluid over a thermal convective exponential stretching surface

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