Research Paper Computational Fluid Dynamics (CFD)
1. Mixed convection on radiative unsteady Casson ferrofluid flow due to cone with Brownian motion and thermophoresis: A numerical study

chakravarthula S K Raju; P DurgaPrasad; S.V.K. Varma

Volume 7, Issue 2 , Winter and Spring 2018, Pages 137-150

http://dx.doi.org/10.22061/jcarme.2017.1474.1117

Abstract
  In this study, the Brownian motion and thermophoresis effects on the MHD ferrofluid flow over a cone with thermal radiation were discussed. Kerosene with the magnetic nanoparticles (Fe3O4) was considered. A set of transformed governing nonlinear coupled ordinary differential equations were solved numerically ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
2. Comparison of three different numerical schemes for 2D steady incompressible lid-driven cavity flow

Siamak Gharahjeh; Ammar Ashraf; Ghorban Mahtabi

Volume 7, Issue 2 , Winter and Spring 2018, Pages 151-160

http://dx.doi.org/10.22061/jcarme.2017.1599.1136

Abstract
  In this study, a numerical solution of 2D steady incompressible lid-driven cavity flow is presented. Three different numerical schemes were employed to make a comparison on the practicality of the methods. An alternating direction implicit scheme for the vorticity-stream function formulation, explicit ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
3. Analytical study of flow field and heat transfer of a non-Newtonian fluid in an axisymmetric channel with a permeable wall

Ghanbarali Sheikhzadeh; Mahdi Mollamahdi; Mahmoud Abbaszadeh

Volume 7, Issue 2 , Winter and Spring 2018, Pages 161-173

http://dx.doi.org/10.22061/jcarme.2017.2003.1174

Abstract
  In this study, the momentum and energy equations of laminar flow of a non-Newtonian fluid are solved in an axisymmetric porous channel using the least square and Galerkin methods. The bottom plate is heated by an external hot gas, and a coolant fluid is injected into the channel from the upper plate. ...  Read More

Research Paper Mechanics of Materials
4. Effect of relative humidity on mechanical strength of zirconia/ Nafion® Nano-composite membrane

Fulufhelo Nemavhola; Simon Dhlamini; Rudzani Sigwadi; Touhami Mokrani

Volume 7, Issue 2 , Winter and Spring 2018, Pages 175-187

http://dx.doi.org/10.22061/jcarme.2017.2484.1239

Abstract
  This paper presents the results of mechanical strength of wet and dry zirconia/ Nafion® nano-composite membrane. The tensile tests were conducted to determine elastic modulus and stiffness of dry and wet pristine Nafion® membrane and modified Nafion® membrane. The composite membranes were ...  Read More

Research Paper Welding
5. Optimization of gas metal arcwelding parameters of SS304 austenitic steel by Taguchi –Grey relational analysis

Saadat Ali Rizvi; S P Tewari

Volume 7, Issue 2 , Winter and Spring 2018, Pages 189-198

http://dx.doi.org/10.22061/jcarme.2017.2215.1207

Abstract
  This study investigated the optimization of three welding parameters (wire feed speed, arc voltage, and shielding gas flow rate) for SS 304H by using Taguchi based Grey relational analysis. In this research work, pure argon was used as shielding gas. Numbers of trials were performed as per ...  Read More

Research Paper Biomechanics
6. Effect of six non-Newtonian viscosity models on hemodynamic parameters of pulsatile blood flow in stenosed artery

Mehdi Jahangiri; Mohsen Saghafian; Mahmood Reza Sadeghi

Volume 7, Issue 2 , Winter and Spring 2018, Pages 199-207

http://dx.doi.org/10.22061/jcarme.2017.1433.1114

Abstract
  A numerical study of hemodynamic parameters of pulsatile blood flow is presented in a stenotic artery with A numerical study of hemodynamic parameters of pulsatile blood flow is presented in a stenotic artery with non-Newtonian models using ADINA. Blood flow was considered laminar, and the arterial ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
7. Three-dimensional chemically reacting radiative MHD flow of nanofluid over a bidirectional stretching surface

Sandeep Naramgari; Siva Krishnam Raju C; G. Kumaran

Volume 7, Issue 2 , Winter and Spring 2018, Pages 209-222

http://dx.doi.org/10.22061/jcarme.2017.1423.1111

Abstract
  This study deals with the three-dimensional flow of a chemically reacting magnetohydrodynamic Sisko fluid over a bidirectional stretching surface filled with the ferrous nanoparticles in the presence of non-uniform heat source/sink, nonlinear thermal radiation, and suction/injection. After applying the ...  Read More

Research Paper Manufacturing Processes
8. A new approach to enhance final surface quality in drilling operation: evaluation of using alumina micro-particle additives on oil-water emulsion cutting fluid

Saman Khalilpourazary; jamal ahmadi

Volume 7, Issue 2 , Winter and Spring 2018, Pages 223-231

http://dx.doi.org/10.22061/jcarme.2018.756

Abstract
  Reaming is a common finishing process for improving the drilled holes surface quality. Choosing an appropriate finishing method in drilling process has a significant effect on the surface quality of holes and in decreasing the process total cost and time. In this study, four similar holes were drilled ...  Read More

Research Paper Heat and Mass Transfer
9. Heat transfer in MHD nanofluid flow over a cone and plate in the presence of heat source/sink

Sandeep Naramgari; Raju C.S.K; Jagadeesh Kumar M.S

Volume 7, Issue 2 , Winter and Spring 2018, Pages 223-241

http://dx.doi.org/10.22061/jcarme.2017.637

Abstract
  In this study, we presented a mathematical model for analyzing the heat source/sink effect on magnetohydrodynamic two-dimensional ferrofluid flow past a cone and a vertical plate in the presence of volume fraction of ferrous nanoparticles. The governing partial differential equations are transformed ...  Read More

Research Paper Fracture Mechanics
10. A novel modification of decouple scaled boundary finite element method in fracture mechanics problems

Mahdi Yazdani

Volume 7, Issue 2 , Winter and Spring 2018, Pages 243-260

http://dx.doi.org/10.22061/jcarme.2017.1853.1161

Abstract
  In fracture mechanics and failure analysis, cracked media energy and consequently stress intensity factors (SIFs) play a crucial and significant role. Based on linear elastic fracture mechanics (LEFM), the SIFs and energy of cracked media may be estimated. This study presents the novel modification of ...  Read More