8 citations · 18 across the 14 of their papers we have counts for
14 papers
New Higher-Order Super-Compact Scheme for Enhanced Three-Dimensional Heat Transfer with Nanofluid and Conducting Fins
Ashwani Punia, Rajendra K. Ray
This study presents a new higher-order super-compact (HOSC) finite difference scheme for analyzing enhanced heat transfer of three-dimensional (3D) nanofluid natural convection in…
New Higher-Order Super-Compact Finite Difference Scheme to Study Three-Dimensional Natural Convection and Entropy Generation in Non-Newtonian Fluids
Ashwani Punia, Rajendra K. Ray
This work introduces a new higher-order super-compact (HOSC) implicit finite difference scheme for analyzing three-dimensional (3D) natural convection and entropy generation in non…
Effect of Uniform and Non-uniform wall heating on Three-Dimensional Magneto-Hydrodynamics Natural Convection and Entropy Generation: A computational study using New Higher Order Super Compact Scheme
Ashwani Punia, Rajendra K. Ray
Current research work deals with the effect of uniform and non-uniform wall heating on magnetohydrodynamic (MHD) natural convection within a three-dimensional (3D) cavity filled wi…
A Novel Gaussian filter-based Pressure Correction Technique with Super Compact Scheme for Unsteady 3D Incompressible, Viscous Flows
Ashwani Punia, Rajendra K. Ray
This work deals with a novel Gaussian filter-based pressure correction technique with a super compact higher order finite difference scheme for solving unsteady three-dimensional (…
A New Higher-Order Super Compact Finite Difference Scheme to Study Three-Dimensional Non-Newtonian Flows
Ashwani Punia, Rajendra K. Ray
This work introduces a new higher-order accurate super compact (HOSC) finite difference scheme for solving complex unsteady three-dimensional (3D) non-Newtonian fluid flow problems…
Impact of a Cold Control Plate on Fluid Flow and Heat Transfer across an Isothermally Heated Rotary Oscillating Circular Cylinder
Amarjit Haty, Rajendra K. Ray, H. V. R. Mittal
The main objective of this paper is to study the effect of a cold, vertical, arc-shaped control plate on the flow characteristics and forced convective heat transfer mechanism acro…
Impact of an Arc-shaped Control Plate on Flow and Heat Transfer around a Isothermally Heated Rotating Circular Cylinder
Amarjit Haty, Rajendra K. Ray
The main objective of this paper is to study the flow characteristics of a rotating, isothermally heated circular cylinder with a vertical arc-shaped control plate placed downstrea…
Mathematical Modelling of Streamwise Velocity Profile in Open Channels Using Tsallis Entropy
Manotosh Kumbhakar, Rajendra K. Ray, Suvra Kanti Chakraborty +2
This study derived the vertical distribution of streamwise velocity in wide open channels by maximizing Tsallis entropy, in accordance with the maximum entropy principle, subject t…
On the Role of Tsallis Entropy Index for Velocity Modelling in Open Channels
Manotosh Kumbhakar, Rajendra K. Ray, Koeli Ghoshal +1
Following the work on Shannon entropy together with the principle of maximum entropy, Luo & Singh (J. Hydrol. Eng., 2011, 16(4): 303-315) and Singh & Luo (J. Hydrol. Eng., 2011, 16…
On the Development of a Coupled Non-linear Telegraph-Diffusion Model for Image Restoration
Sudeb Majee, Subit K. Jain, Rajendra K. Ray +1
In this work, we propose a telegraph coupled partial differential equation (TCPDE) based model for image restoration. New framework interpolates between a couple of non-linear tele…
Well-posedness study of a non-linear hyperbolic-parabolic coupled system applied to image speckle reduction
Sudeb Majee, Rajendra K. Ray, Ananta K. Majee
In this article, we consider a non-linear hyperbolic-parabolic coupled system based on telegraph diffusion framework applied to image despeckling. A separate equation is used to ca…
A Gray Level Indicator-Based Regularized Telegraph Diffusion Equation Applied to Image Despeckling
Sudeb Majee, Rajendra K Ray, Ananta K Majee
In this work, a gray level indicator based non-linear telegraph diffusion model is presented for multiplicative noise removal problem. Most of the researchers focus only on diffusi…
Analysis and Simulation of a Coupled Diffusion based Image Denoising Model
Subit K. Jain, Sudeb Majee, Rajendra K. Ray +1
In this study, a new coupled Partial Differential Equation (CPDE) based image denoising model incorporating space-time regularization into non-linear diffusion is proposed. This pr…
A Fuzzy Edge Detector Driven Telegraph Total Variation Model For Image Despeckling
Sudeb Majee, Subit K Jain, Rajendra K Ray +1
Speckle noise suppression is a challenging and crucial pre-processing stage for higher-level image analysis. In this work, a new attempt has been made using telegraph total variati…