Balaram Kundu
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View article: Advanced modelling for energy transport in solids at both micro and macro dimensions, utilizing relaxation concepts to analyze transient states
Advanced modelling for energy transport in solids at both micro and macro dimensions, utilizing relaxation concepts to analyze transient states Open
This study derives a generalized energy equation for solids with arbitrary geometries, including anisotropic materials and curvilinear or moving coordinate systems. The derived equation incorporates enthalpy fluxes under significant motion…
View article: Morita equivalence classes for crossed product of rational rotation algebras
Morita equivalence classes for crossed product of rational rotation algebras Open
We study the Morita equivalence classes of crossed products of rotation algebras $A_θ$, where $θ$ is a rational number, by finite and infinite cyclic subgroups of $\mathrm{SL}(2, \mathbb{Z})$. We show that for any such subgroup $F$, the cr…
View article: Introducing electric field to porous fins for analyzing maximum energy transport and minimum entropy generation: Accurateness analysis
Introducing electric field to porous fins for analyzing maximum energy transport and minimum entropy generation: Accurateness analysis Open
The presented analysis includes the electric and magnetic fields for energy transfer, unlike previous studies that only focussed on the magnetic field. The irreversibility aspects are highlighted in porous fins to evaluate entropy generati…
View article: Two-Dimensional Analysis of Absorber Plates in Solar Collectors with a Nonlinear Plate Temperature at the Tube Section
Two-Dimensional Analysis of Absorber Plates in Solar Collectors with a Nonlinear Plate Temperature at the Tube Section Open
Many investigators have investigated flat-plate solar collector absorber plates based on one-dimensional heat flows. However, the shape of the absorber plate may always create a two-dimensional temperature distribution if it has a thin thi…
View article: A Review of Artificial Intelligence Methods in Predicting Thermophysical Properties of Nanofluids for Heat Transfer Applications
A Review of Artificial Intelligence Methods in Predicting Thermophysical Properties of Nanofluids for Heat Transfer Applications Open
This present review explores the application of artificial intelligence (AI) methods in analysing the prediction of thermophysical properties of nanofluids. Nanofluids, colloidal solutions comprising nanoparticles dispersed in various base…
View article: A Review of Thermoelectric Generators in Automobile Waste Heat Recovery Systems for Improving Energy Utilization
A Review of Thermoelectric Generators in Automobile Waste Heat Recovery Systems for Improving Energy Utilization Open
With the progress of modern times, automobile technology has become integral to human society. At the same time, the need for energy has also grown. In parallel, the total amount of waste energy that is liberated from different parts of th…
View article: Parametric Optimization of Solar Air Heaters Having Hemispherical Protrusion Roughness in the V-Notch Pattern on the Absorber Plate: A Metaheuristics Optimization Approach
Parametric Optimization of Solar Air Heaters Having Hemispherical Protrusion Roughness in the V-Notch Pattern on the Absorber Plate: A Metaheuristics Optimization Approach Open
Artificial roughness in the form of protrusions has become a popular technique to improve the thermohydraulic performance of SAHs. So, utmost attention should also be given to determining the suitable parametric values that directly affect…
View article: Analytical model for extremum analysis of moistened fins involving all nonlinear energy exchange processes
Analytical model for extremum analysis of moistened fins involving all nonlinear energy exchange processes Open
Dehumidification on a fin surface happens when the thermal interface state maintains an undervalue corresponding to saturation condition, and a temperature boundary layer develops during heat transmission. The local thickness of the temper…
View article: Review and Analysis of Electro-Magnetohydrodynamic Flow and Heat Transport in Microchannels
Review and Analysis of Electro-Magnetohydrodynamic Flow and Heat Transport in Microchannels Open
This paper aims to develop a review of the electrokinetic flow in microchannels. Thermal characteristics of electrokinetic phenomena in microchannels based on the Poisson–Boltzmann equation are presented rigorously by considering the Debye…
View article: Appropriate transient thermal analysis of an absorber plate in\n flat-plate solar collectors from beginning to end operational conditions
Appropriate transient thermal analysis of an absorber plate in\n flat-plate solar collectors from beginning to end operational conditions Open
This work establishes a closed-form analysis for two-dimensional transient\nheat transfer in an absorber plate based on the thermal wave model when the\ncollector starts to work. The method of separation of variables is employed to\ndeterm…
View article: Appropriate transient thermal analysis of an absorber plate in flat-plate solar collectors from beginning to end operational conditions
Appropriate transient thermal analysis of an absorber plate in flat-plate solar collectors from beginning to end operational conditions Open
This work establishes a closed-form analysis for two-dimensional transient heat transfer in an absorber plate based on the thermal wave model when the collector starts to work. The method of separation of variables is employed to determine…
View article: Optimum design analysis of a solar-assisted Libr/H2O absorption system with a flat-plate collector
Optimum design analysis of a solar-assisted Libr/H2O absorption system with a flat-plate collector Open
An analytical analysis has been presented to evaluate the performance of a solar-assisted va-pour absorption cooling system with a flat-plate absorber plate. The lithium–bromide water absorption cycle is used to obsstain the cooling effect…
View article: Estimating magnetic field strength in a porous fin from a surface temperature response
Estimating magnetic field strength in a porous fin from a surface temperature response Open
This Letter demonstrates a non‐destructive prediction methodology for determining the necessary magnetic field to be imposed in a porous fin satisfying a particular heat generation occurring within an electronic device. For the first time,…
View article: THERMAL ANALYSIS ON VARIABLE THICKNESS ABSORBER PLATE FIN IN FLAT-PLATE SOLAR COLLECTORS USING DIFFERENTIAL TRANSFORM METHOD
THERMAL ANALYSIS ON VARIABLE THICKNESS ABSORBER PLATE FIN IN FLAT-PLATE SOLAR COLLECTORS USING DIFFERENTIAL TRANSFORM METHOD Open
This article highlights a parametric investigation of the thermal analysis of variable thickness flat plate solar collector. Triangular profile of an absorber plate has been adopted from the point of view of saving in material. An approxim…
View article: Finite Integral Transform Based Solution of Second Grade Fluid Flow between Two Parallel Plates
Finite Integral Transform Based Solution of Second Grade Fluid Flow between Two Parallel Plates Open
The importance of the slip flow over the no-slip condition is widely accepted in microscopic scaled domains with the direct impact on microfluidic and nanofluidic systems. The popular Navier Stoke’s (N-S) flow model is largely utilized wit…
View article: Existence of Subsonic Flow in Divergent Section Adjacent to Throat of a Convergent-Divergent Nozzle for Actual Flow
Existence of Subsonic Flow in Divergent Section Adjacent to Throat of a Convergent-Divergent Nozzle for Actual Flow Open
In this study, a mathematical analysis by considering the effect of an actual index of expansion clearly shows a persistent of the existence of subsonic flow after the throat to a down stream in the region of divergent part to produce a su…
View article: An appropriate analysis for optimum design of wet fins based on modified 1-D and 2-D approaches
An appropriate analysis for optimum design of wet fins based on modified 1-D and 2-D approaches Open
View article: Approximate analytical method for thermal analysis of an annular fin having a step profile
Approximate analytical method for thermal analysis of an annular fin having a step profile Open
An approximate analytical technique is developed to determine the performance of a rectangular stepped annular fin with a constant base temperature.An algebraic expression based on the mean value theorem is used as an approximation tool.Th…
View article: A closed form solution for ac electo-kinetic-driven flow in a microchannel
A closed form solution for ac electo-kinetic-driven flow in a microchannel Open
The electro-osmotic fully-developed flow in a circular microchannel was studied under an alternative electric field. An analytical approach based on the linearized poisson-Boltzmann equation was selected to obtain an exact solution of the …
View article: ANALYTICAL TEMPERATURE DISTRIBUTION ON A TURBINE BLADE SUBJECT TO COMBINED CONVECTION AND RADIATION ENVIRONMENT
ANALYTICAL TEMPERATURE DISTRIBUTION ON A TURBINE BLADE SUBJECT TO COMBINED CONVECTION AND RADIATION ENVIRONMENT Open
View article: Beneficial design of unbaffled shell-and-tube heat exchangers for attachment of longitudinal fins with trapezoidal profile
Beneficial design of unbaffled shell-and-tube heat exchangers for attachment of longitudinal fins with trapezoidal profile Open
A parametric variation followed with Kern’s method of design of extended surface heat exchanger has been made for an unbaffled shell-and-tube heat exchanger problem. For this analysis, the rectangular and trapezoidal fin shapes longitudina…
View article: Semianalytical methods for heat and fluid flow between two parallel plates
Semianalytical methods for heat and fluid flow between two parallel plates Open
The present study attempts to investigate the effects the the viscous distribution in the conduction limit for both hydrodynamically and thermally fully developed, laminar flow of Newtonian fluid between two asymmetrically heated infinitel…
View article: A new method for non-Fourier thermal response in a single layer skin tissue
A new method for non-Fourier thermal response in a single layer skin tissue Open
View article: Differential Transform Method for Thermal Analysis of Exponential Fins under Sensible and Latent Heat Transfer
Differential Transform Method for Thermal Analysis of Exponential Fins under Sensible and Latent Heat Transfer Open
The present study focuses to establish an analytical analysis on determining the performance of exponential fins under wet surface conditions with consideration of the temperature dependent thermal conductivity of fin material. The thermal…