Volume 12 (2022)
Volume 11 (2021)
Volume 10 (2020)
Volume 9 (2019)
Volume 8 (2018)
Volume 7 (2017)
Volume 6 (2016)
Volume 5 (2015)
Volume 4 (2014)
Volume 3 (2013)
Volume 2 (2012)
Volume 1 (2011)

Heat and Mass Transfer
Unsteady MHD nonlinear radiative squeezing slip-flow of Casson fluid between parallel disks

Sathish Kumar M; Sandeep N; Rushi Kumar B

Volume 7, Issue 1 , August 2017, , Pages 35-45


  Effect of nonlinear thermal radiation on the unsteady magnetohydrodynamic slip flow of Casson fluid between parallel disks in the presence of thermophoresis and Brownian motion effects are investigated numerically. A similarity transformation is employed to reduce the governing partial differential equations ...  Read More

An experimental and analytical investigation of flange forming by spinning process

Mohamed Elmasry; Hammad T. Elmetwally; Mohamed N. El-Sheikh; Ragab K. Abdel-Magied

Volume 11, Issue 1 , September 2021, , Pages 35-46


  The tube flange is typically performed using welding, forging methods, which cost effort and time. In the present work, a metal spinning process to form tube flange was proposed. A flange-forming tool was developed based on the outer tube diameter to form the flange. It consists of three components namely; ...  Read More

Fracture Mechanics
Finite element prediction of ductile fracture in automotive panel forming: comparison between FLD and lemaitre damage models
Volume 1, Issue 1 , December 2011, , Pages 37-44


  In sheet metal forming processes with complex strain paths, a part is subjected to large plastic deformation. This severe plastic deformation leads to high plastic strain localization zones and subsequent accumulation of those strains. Then internal and superficial micro-defects and in other words ductile ...  Read More

New implementation of a non-associated flow rule in rate-independent plasticity

F. Moayyedian; M. Kadkhodayan

Volume 5, Issue 1 , December 2015, , Pages 37-49


  One of the new research fields in plasticity is related to choosing a proper non-associated flow rule (NAFR), instead of the associated one (AFR), to predict the experimental results more accurately. The idea of the current research is derived from combining von Mises and Tresca criteria in the places ...  Read More

Analysis of deep drawing process to predict the forming severity considering inverse finite element and extended strain-based forming limit diagram

Mehdi Bostan Shirin; Ramin Hashemi; Ahmad Assempour

Volume 8, Issue 1 , September 2018, , Pages 39-48


  An enhanced unfolding Inverse Finite Element Method (IFEM) has been used together with an extended strain-based forming limit diagram (EFLD) to develop a fast and reliable approach to predict the feasibility of the deep drawing process of a part and determining where the failure or defects can occur. ...  Read More

Fluid Mechanics
Investigation of electrokinetic mixing in 3D non-homogenous microchannels

J. Jamaati; H. Niazmand; M. Renksizbulut

Volume 3, Issue 1 , December 2013, , Pages 41-52


  A numerical study of 3D electrokinetic flows through micromixers was performed. The micromixers considered here consisted of heterogeneous rectangular microchannels with prescribed patterns of zeta-potential at their walls. Numerical simulation of electroosmotic flows within heterogeneous channels requires ...  Read More

Surface finish characteristics of distinct materials using extrusion honing process

Jayasimha SLN; Ganapathy Bawge; Raju H.P.

Volume 12, Issue 1 , August 2022, , Pages 41-50


  Traditional methods of finishing like grinding, lapping, and honing are limited to finishing of vital shapes such as flat and circular. These conventional methods are lagging for processing components that are fabricated by hard materials, involving complicated profiles in particular. Hence, it is essential ...  Read More

Fluid Mechanics
A method for detecting bubbles in two-phase gas-liquid flow

Pedram Hanafizadeh; Amirmohammad Sattari; Seyed Erfan Hosseinidoost; Morteza Molaei; Mehdi Ashjaee

Volume 9, Issue 1 , September 2019, , Pages 47-58


  Detecting bubble in two-phase flow has been a basic issue in two-phase flow systems. A new method for measuring the frequency of bubble formation is presented in this paper. For this purpose, an electronic device was designed and constructed which works based on a change in intensity of laser beam. For ...  Read More

Fluid Mechanics
Transient analysis of radiative hydromagnetic poiseuille fluid flow of two-step exothermic chemical reaction through a porous channel with convective cooling

Salawu Olakunle; Abimbola Abolarinwa; John Fenuga

Volume 10, Issue 1 , September 2020, , Pages 51-62


  In this research, the transient analysis of radiative combustible viscous chemical reactive two-step exothermic fluid flow past a permeable medium with various kinetics i.e Bimolecular, Arrhenius and Sensitized are investigated. The hydromagnetic liquid is influenced by a periodic vicissitudes in the ...  Read More

Large amplitude vibration prediction of rectangular plates by an optimal artificial neural network (ANN)

Mahdi Karimi; Alireza Shooshtari; Soheil Razavi

Volume 4, Issue 1 , December 2014, , Pages 55-65


  In this paper, nonlinear equations of motion for laminated composite rectangular plates based on the first order shear deformation theory were derived. Using a perturbation method, the nonlinear equation of motion was solved and analytical relations were obtained for natural and nonlinear frequencies. ...  Read More

Thermodynamics and Cumbustion
Performance evaluation of a low heat rejection diesel engine with carbureted ethanol and jatropha oil

M. V. S. Murali Krishna; V. V. R. Seshagiri Rao; P. V. K. Murthy; T. K. K. Reddy

Volume 1, Issue 2 , June 2012, , Pages 99-110


  Experiments were conducted to evaluate the performance of a low heat rejection (LHR) diesel engine. Performance parameters and emission levels were determined at various magnitudes of brake mean effective pressure. Combustion characteristics of the engine were measured with TDC (top dead centre) encoder, ...  Read More

Heat and Mass Transfer
Effects of heat generation/absorption on natural convection of nanofluids over the vertical plate embedded in a porous medium using drift-flux model

M. Ghalambaz; A. Noghrehabadi

Volume 3, Issue 2 , June 2014, , Pages 113-123


  In this paper, natural convection heat transfer over a vertical plate in a Darcy porous medium saturated with a nanofluid subject to heat generation/absorption was theoretically studied. The governing partial differential equations were transformed to a set of ordinary differential equations using similarity ...  Read More

Heat and Mass Transfer
Estimating the unknown heat flux on the wall of a heat exchanger internal tube using inverse method

M. Sh. Mazidi; M. Alizadeh; L. Nourpour; V. Shojaee Shal

Volume 5, Issue 2 , June 2016, , Pages 127-136


  In the design of heat exchangers, it is necessary to determine the heat transfer rate between hot and cold fluids in order to calculate the overall heat transfer coefficient and the heat exchanger efficiency. Heat transfer rate can be determined by inverse methods. In this study, the unknown space-time ...  Read More

Numerical simulation of laser beam welding of Ti6Al4V sheet

M. Azizpour; M. Ghoreishi; A. Khorram

Volume 4, Issue 2 , June 2015, , Pages 145-154


  This paper was aimed to report the 3D finite element analysis simulation of laser welding process of Ti6Al4V 1.7 mm sheets in butt joint in order to predict the temperature distribution, hardness, and weld geometry. The butt-joint welds were made using CO2 laser with the maximum power of 2.2 kW in the ...  Read More

Hydraulic and Pneumatic Systems
Experimental and numerical investigation of bottom outlet hydraulic model

Mahdi Moghimi

Volume 8, Issue 2 , February 2019, , Pages 153-164


  Using experimental models along with conducting numerical analysis have been widely used in performance recognition and optimization of hydraulic equipments. Numerical modeling has lower cost rather than experimental one; however practical tests are commonly used because of the hydraulic structure importance ...  Read More

Mechanics of Materials
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 , March 2018, , Pages 175-187


  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

Dynamic Response
Numerical response using finite strip element including drilling degree of freedom

J. Akbari; H. Valaei; M. F. Sepahvand

Volume 12, Issue 2 , February 2023, , Pages 177-191


  Finite-element modeling of structures using elements without rotational degrees of freedom (DOFs) is usually stiffer than their physical behavior. Therefore, the stiffness of a structural system will be smoothed by adding rotational DOFs in the numerical model. In the traditional displacement-based finite-element ...  Read More

Heat and Mass Transfer
Numerical analysis of heat transfer enhancement and flow structure of alternating oval tubes by considering different alternate angles under turbulent flow

Hasan Najafi Khaboshan; Hamid Reza Nazif

Volume 9, Issue 2 , February 2020, , Pages 211-223


  In this research, the convective heat transfers of turbulent water fluid flow in alternating oval tubes is studied using computational fluid dynamics. The purpose of the study is to analyze the heat transfer enhancement and secondary internal flows under different alternate angles. Also, comparing the ...  Read More

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 2 , April 2021, , Pages 325-336


  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 in a compression ignition ...  Read More

Fracture analysis of pre-cracked and notched thin plates using peridynamic theory

Liela Abbasiniyan; Seyed hamed Hoseini; Shirko faroughi

Volume 11, Issue 2 , March 2022, , Pages 329-338


  In this paper, the crack propagation and branching in the pre-cracked and notched samples have been modeled using nonlocal peridynamic theory. The bond-based peridynamic model has been numerically implemented which make it possible to simulate various features of dynamic brittle fracture such as crack ...  Read More

Energy Systems
Thermodynamic optimization of an integrated gas turbine cycle, heat exchanger and organic rankine cycle for co-generation of mechanical power and heating load.

Mohammed Ridha Jawad Al-Tameemi; Samir Yahya; Saadoon Abdul Hafedh; Itimad D. J. AZZAWI

Articles in Press, Accepted Manuscript, Available Online from 25 April 2023


  A thermodynamic evaluation has been conducted on a combined heat and power system integrating a gas turbine (GT), a heat exchanger (HX1) and an organic Rankine cycle ORC. Traditionally, ORC bottoming GT cycle is limited to mechanical power production. The novelty of this study is to recover wasted heat ...  Read More

Heat and Mass Transfer
Chemical reaction and thermal radiation effects on MHD micropolar fluid past a stretching sheet embedded in a non-Darcian porous medium

L. Ramamohan Reddy; M. C. Raju; G. S. S. Raju; S. M. Ibrahim

Volume 6, Issue 2 , June 2017, , Pages 27-46


  The paper aims at investigating the effects of chemical reaction and thermal radiation on the steady two-dimensional laminar flow of viscous incompressible electrically conducting micropolar fluid past a stretching surface embedded in a non-Darcian porous medium. The radiative heat flux is assumed to ...  Read More

Fluid Mechanics
Comparing thermal enhancement of Ag-water and SiO2-water nanofluids over an isothermal stretching sheet with suction or injection

Aminreza Noghrehabadi; Mohammad Ghalambaz; Mehdi Ghalambaz; Afshin Ghanbarzadeh

Volume 2, Issue 1 , December 2012, , Pages 37-49


  In the present paper, the flow and heat transfer of two types of nanofluids, namely, silver-water and silicon dioxide-water, were theoretically analyzed over an isothermal continues stretching sheet. To this purpose, the governing partial differential equations were converted to a set of nonlinear differential ...  Read More

Composite Materials
Optimization of the injection molding process of Derlin 500 composite using ANOVA and grey relational analysis

S. Khalilpourazary; N. Payam

Volume 6, Issue 1 , December 2016, , Pages 39-50


  Warpage and shrinkage control are important factors in proving the quality of thin-wall parts in injection modeling process. In the present paper, grey relational analysis was used in order to optimize these two parameters in manufacturing plastic bush of articulated garden tractor. The material used ...  Read More

Manufacturing Processes
Experimental and numerical investigation on laser bending process
Volume 1, Issue 1 , December 2011, , Pages 45-52


  Laser bending is an advanced process in sheet metal forming in which a laser heat source is used to shape the metal sheet. In this paper, temperature distribution in a mild steel sheet metal is investigated numerically and experimentally. Laser heat source is applied through curved paths in square sheet ...  Read More