Heat and Mass Transfer
MHD Casson fluid flow through a vertical plate

M.C. Raju; Raju KVS; Parandhama A

Volume 9, Issue 2 , February 2020, , Pages 343-350


  In this study, effects of numerous physical quantities like dissipation, thermal radiation, and induced magnetic field on magnetohydrodynamic Casson fluid flow through a vertical plate is addressed. The non-dimensional multivariable governing equations are solved numerically by by means of Runge-Kutta ...  Read More

Composite Materials
Experimental evaluation and estimation of frictional behavior of polymer matrix composites

Hiral Parikh; Piyush Gohil

Volume 10, Issue 2 , April 2021, , Pages 473-483


  As the fiber-reinforced polymer matrix composites give good strength and can work in rigorous environmental conditions, nowadays, more focus is given to study the behavior of these materials under different operating conditions. Due to the environmental concern, the focus on the natural fiber reinforced ...  Read More

Experimental investigation of surface crack density and recast layer thickness of WEDMed Inconel 825

Pawan Kumar; Meenu Gupta; Vineet Kunar

Volume 11, Issue 1 , September 2021, , Pages 205-216


  The present research attempts to analyze the surface topography of WEDMed Inconel 825 concerning surface crack density (SCDi) and recast layer thickness (RCLt). Formation of cracks, recast layer, and heat-affected zone are the major issues in determining the final performance of the WEDM machined sample. ...  Read More

Composite Materials
Numerical analysis of heat transfer in helical tube with the aluminum oxide (Al2O3) nano fluid injection in water

Naser Kordani; Hamid Zalnezhad

Volume 10, Issue 1 , September 2020, , Pages 211-227


  The most important reason for the design of curved tubes is increasing the heat transfer between the fluid and the wall which has provided many applications in various industries such as air conditioning, micro-electric, heat exchangers and etc. The aim of this study is numerical investigation of nano ...  Read More

Composite Materials
Computational evaluation of the homogeneity of composites processed by accumulative roll bonding (ARB)

Mahsa Gharechomaghlu; Hamed Mirzadeh

Volume 9, Issue 2 , February 2020, , Pages 351-358


  A new computational method based on MATLAB was used to study the effect of different parameters on the homogeneity of composites produced by a severe plastic deformation technique known as accumulative roll bonding. For a higher number of passes, the degree of particle agglomeration and clustering decreased, ...  Read More

Heat and Mass Transfer
Novel numerical solution of non-linear heat transfer of nanofluid over a porous cylinder: Buongiorno-Forchheimer model

Vasu B; Atul Kumar Ray

Volume 10, Issue 2 , April 2021, , Pages 485-496


  This study aims to numerically investigate a two dimensional and steady heat transfer over a cylinder in a porous medium with suspending nanoparticles. Buongiorno model is adopted for nanofluid transport on a free convection flow taking the slip mechanism of Brownian motion and thermophoresis into account. ...  Read More

Stress Analysis
Effect of shear state on fracture of refined grain pure copper

Saman Khalilpourazary; Mohammad Zadshakoyan; Seyed Hamed Hoseini

Volume 11, Issue 1 , September 2021, , Pages 217-226


  In recent decades, the industrial applications of refined grained pure copper and its alloys have been expanded. The properties such as high strength, high density, and low deformability make these alloys more attractive. Hence, investigating the fracture mechanism of refined grained copper is of great ...  Read More

Fracture Mechanics
Numerical modeling and comparison study of elliptical cracks effect on the pipes straight and with thickness transition exposed to internal pressure, using XFEM in elastic behavior.

Salmi Houda; Hachim Abdeliah; Hanan El Bhilat; Khaled El Had

Volume 10, Issue 1 , September 2020, , Pages 229-244


  The present work deals with the effect of an external circumferential elliptical crack located at thickness transition on a varied stepped diameter pipe . The purpose is the application of the extended finite element method (XFEM) for the calculation of SIF at the thickness transition region of pipe ...  Read More

Manufacturing Processes
Effectiveness of alumina nanofluid on slotting end milling performance of SKD 11 tool steel

Tran Minh Duc; Tran The Long; Tran Bao Ngoc

Volume 9, Issue 2 , February 2020, , Pages 359-369


  SKD 11 tool steel is among the most popular metals in mold industries for making different kinds of cold work molds and dies with high accuracy and long service life. The demand for higher quality, lower manufacturing costs, particularly the environmentally friendly characteristics, have provided the ...  Read More

Fluid Mechanics
Linear thermal radiation effects on MHD viscoelastic fluid flow through porous moving plate with first order chemical reaction, variable temperature, and concentration

shaik ibrahim; k suneetha; P Vijaya Kumar; Kanithi Jyothsna

Volume 10, Issue 2 , April 2021, , Pages 497-509


  Due to the presence of rheological flow parameters and viscoelastic properties, non-Newtonian fluid structure is intricate and enticing to investigate. The flow has been made by considering variable temperature and radiation effects for the magnetohydrodynamic viscoelastic liquid past ...  Read More

Nondestructive Testing
Tomographic reconstruction of isotropic materials using genetic algorithms with ultrasound time-of-flight projection data

Nageswara Rao Boggarapu; Shyam Prasad Kodali

Volume 11, Issue 1 , September 2021, , Pages 227-242


  Engineering materials and structures have crack-like defects leading to premature failures. The usage of fracture mechanics to assess the structural integrity requires knowledge on the type, location, shape, size, and orientation of the flaws. Tomographic reconstruction is one of the commonly used nondestructive ...  Read More

Internal Combustion Engine
Characteristics of fish oil biodiesel with the impact of diesel fuel addition on a CI engine

Deepak Kumar Sharma; Tikendra Nath Verma

Volume 10, Issue 1 , September 2020, , Pages 245-256


  The present study focuses on the optimization in the use of non-petroleum fuel derived from waste fish oil fuels, as a replacement for petroleum diesel fuel for compression ignition engine. The study comprises of comparison between results of fish oil biodiesel-diesel blends on a compression ignition ...  Read More

Manufacturing Processes
Design and fabrication of an effective micromixer through passive method

Mahdi Moghimi; Naeem Jalali

Volume 9, Issue 2 , February 2020, , Pages 371-383


  Micromixer is a significant component of microfluidics particularly in lab-on-chip applications so that there has been a growing need for design and fabrication of micromixers with a shorter length and higher efficiency. Despite most of the passive micromixers that suffer from long mixing path and complicated ...  Read More

Fluid Mechanics
Investigation of temperature jump and slip effects on nanofluid treatment inside a vertical annulus via modified Buongiorno’s model

Hamidreza Ghaffarianjam; Sajad A. Moshizi; Mahdi Zamani; Mahdi Amiri Daluee

Volume 10, Issue 2 , April 2021, , Pages 511-524


  In the present work, the study of alumina-water nanofluid heat transfer between two concentric vertical cylinders has been done by modified Buongiorno’s model (BM) to examine the impacts of temperature jump and slip velocity boundary conditions for a wide range of Knudsen number. Runge-Kutta-Fehlberg ...  Read More

Fluid Mechanics
Solid-phase effects on the performance of a centrifugal slurry pump using computational fluid dynamics

Mohammad Reza Aligoodarz; Mohsen Dalvandi; Abdollah Mehrpanahi

Volume 11, Issue 1 , September 2021, , Pages 243-255


  The centrifugal slurry pump is the most common slurry flow pump used in mining industries. The pump head and efficiency are affected by the size, concentration, and density of solid particle when these pumps are applied for the control of slurries. Because the suspended solids in the liquid could not ...  Read More

Computational Fluid Mechanics (CFM)
Experimental study and numerical simulation of three dimensional two phase impinging jet flow using anisotropic turbulence model

Hamid Reza Nazif

Volume 10, Issue 1 , September 2020, , Pages 257-269


  Hydrodynamic of a turbulent impinging jet on a flat plate has been studied experimentally and numerically. Experiments were conducted for the Reynolds number range of 72000 to 102000 and a fixed jet-to-plate dimensionless distance of H/d=3.5. Based on the experimental setup, a multi-phase numerical model ...  Read More

Energy Science and Technology
Investigation of injection timing and different fuels on the diesel engine performance and emissions

Saeed Ahmadipour; Mohammad Hossein Aghkhani; Javad Zareei

Volume 9, Issue 2 , February 2020, , Pages 385-396


  Start of fuel injection and fuel type are two important factors affecting engine performance and exhaust emissions in internal combustion engines. In the present study, a one-dimensional computational fluid dynamics solution with GT-Power software is used to simulate a six-cylinder diesel engine to study ...  Read More

Fluid Mechanics
Effect of axial groove location, length, and width ratio on bearing properties and stability

Vijay Kumar Dwivedi; Pooja Pathak

Volume 10, Issue 2 , April 2021, , Pages 525-537


  There are many industrial applications of axially grooved journal bearing, especially in turbo- machinery. Stability is a very big issue for researchers, in high speed rotating machines. The axial groove journal bearing has a capacity to reduce the vibration and the ability to resolve the heating problems ...  Read More

Mechanics of Materials
Bending of exponentially graded plates using new HSDT

Bathini Sidda Reddy; Ch. Ravikiran; K. Vijaya Kumar Reddy

Volume 11, Issue 1 , September 2021, , Pages 257-277


  The present paper considers the devise and development of a novel theory to examine the flexure analysis of exponentially graded plates exposed to thermal and mechanical loads. The properties such as elastic modulus and thermal modulus are assumed to vary exponentially along the thickness by keeping ...  Read More

Parametric study on axial compressor performance in design condition

Sarallah Abbasi; Ali Joodaki

Volume 10, Issue 1 , September 2020, , Pages 271-279


  In This paper, a parametric study of compressor performances was performed by streamline curvature method (SLC). Effects of three input parameters in design process, e.g., number of blades, distribution of blade thickness, and blade sweep angels, on the main objective parameters in aerodynamic design, ...  Read More

Magnetohydrodynamics (MHD)
Development length of laminar magnetohydrodynamics pipe flows

Mohammad Hasan Taheri; Morteza Abbasi; Mehran Khaki Jamei

Volume 9, Issue 2 , February 2020, , Pages 397-407


  In this article, a laminar magnetohydrodynamics (MHD) developing flow of an incompressible electrically conducting fluid subjected to an external magnetic field is considered. The aim of the study is to propose a correlation for computing the development length of the laminar MHD developing flow in a ...  Read More

Computational Fluid Dynamics (CFD)
Investigation of natural convection heat transfer of MHD hybrid nanofluid in a triangular enclosure

Ali Akbar rashidi; Ehsan Kianpour

Volume 10, Issue 2 , April 2021, , Pages 539-549


  Natural convection heat transfer is studied numerically in a triangular enclosure. The enclosure is isosceles right triangle and its bottom wall is hot, the hypotenuse is cold and the other wall is adiabatic. Also, a vertical magnetic field is applied in the enclosure; and there is hybrid nanofluid inside ...  Read More