Fluid Mechanics
1. Numerical investigation of upward air-water annular, slug and bubbly flow regimes

Maryam Hassani; Mohammad Bagheri Motlagh; Ramin Kouhikamali

Articles in Press, Accepted Manuscript, Available Online from 20 February 2019


  In this paper, numerical investigation of upward two phase flow of air-water has been studied. Different conditions of flow regimes including annular, wispy annular, slug, churn and bubbly are simulated based on Hewitt and Roberts map, and a good agreement between the experimental data of the map and ...  Read More

Fluid Mechanics
2. Analytical Study of nano-bioconvective flow in a horizontal channel Using Adomian Decomposition Method

Kezzar Mohamed; tabet ismail; nafir Nourreddine; sari Mohamed Rafik

Articles in Press, Accepted Manuscript, Available Online from 21 October 2018


  In this paper, the convective flow of a nano-fluid in a horizontal channel has been investigated. The Non-Linear model that characterizes the flow of the considered nano-fluid is the one proposed by Nield and Kuznetsov. The partial differential equations of the dynamics, the thermal, the concentration ...  Read More

Fluid Mechanics
3. 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

Articles in Press, Accepted Manuscript, Available Online from 26 May 2019


  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

Fluid Mechanics
4. Analytical study of heat and mass transfer in axisymmetric unsteady flow by ADM method

A hassanvand; Mojtaba Saei Moghaddam; M. Barzegar Gerdroodbary; Y Amini

Articles in Press, Accepted Manuscript, Available Online from 15 June 2019


  Findings the solutions for heat and mass transfer problems is significant due to their applications in the science and engineering. In this study, Adomian decomposition method (ADM) is chosen as a robust analytical method for investigation of heat and mass transfer characteristics in a viscous fluid ...  Read More

Fluid Mechanics
5. The Effect of Turbulence Model on Predicting the Development and Progression of Coronary Artery Atherosclerosis

Bahador Sharifzadeh; Rasool Kalbasi; Mehdi Jahangiri

Articles in Press, Accepted Manuscript, Available Online from 14 December 2019


  A severe case of stenosis in coronary arteries results in turbulence in the blood flow which may lead to the formation or progression of atherosclerosis. This study investigated the turbulent blood flow in a coronary artery with rigid walls, as well as 80% single and double stenoses on blood flow. A ...  Read More

Fluid Mechanics
6. Magneto Prandtl nanofluid past a stretching surface with non-linear radiation and chemical reaction

Ganesh Kumar; Ramesh G K; Sabir Ali Shehzad; Gireesha B.J

Articles in Press, Accepted Manuscript, Available Online from 04 November 2018


  In this article, we examined the behavior of chemical reaction effect on a magnetohydrodynamic Prandtl nanofluid flow due to stretchable sheet. Non-linear thermally radiative term is accounted in energy equation. Constructive transformation is adopted to formulate the ordinary coupled differential equations ...  Read More

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

Vijay Kumar Dwivedi; Pooja Pathak

Articles in Press, Accepted Manuscript, Available Online from 15 June 2019


  There are many industrial application of axial grooved journal bearing especially in turbo machinery. The stability is a very big issue for researcher, in high speed rotating machines. The axial groove journal bearing have a capacity to reduce the vibration and ability to resolve the heating problems ...  Read More

Fluid Mechanics
8. 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 , Summer and Autumn 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
9. MHD thermal radiation and chemical reaction effects with peristaltic transport of the eyring-powell fluid through a porous medium

K VENU REDDY; M. Gnaneswara Reddy

Volume 9, Issue 1 , Summer and Autumn 2019, , Pages 89-105


  In this paper, we analyze the thermal radiation and chemical reaction impacts on MHD peristaltic motion of the Eyring-Powell fluid through a porous medium in a channel with compliant walls under slip conditions for velocity, temperature, and concentration. Assumptions of a long wave length and low Reynolds ...  Read More

Fluid Mechanics
10. Combined effect of hall current and chemical reaction on MHD flow through porous medium with heat generation past an impulsively started vertical plate with constant wall temperature and mass diffusion

NEETU KANAUJIA; uday singh rajput

Volume 9, Issue 1 , Summer and Autumn 2019, , Pages 121-132


  Unsteady flow with magneto-hydrodynamics and heat generation through porous medium past an impulsively started vertical plate with constant wall temperature and mass diffusion is considered here. The effect studied is a combination of Hall current and chemical reaction. The motivation behind this study ...  Read More

Fluid Mechanics
11. Numerical investigation of vertical and horizontal baffle effects on liquid sloshing in a rectangular tank using an improved incompressible smoothed particle hydrodynamics method

Rahim Shamsoddini

Volume 8, Issue 2 , Winter and Spring 2019, , Pages 175-186


  Liquid sloshing is a common phenomenon in the transporting of liquid tanks. Liquid waves lead to fluctuating forces on the tank wall. If these fluctuations are not predicted or controlled, they can lead to large forces and momentum. Baffles can control liquid sloshing fluctuations. One numerical method, ...  Read More

Fluid Mechanics
12. Laminar mixing of high-viscous fluids by a cylindrical chaotic mixer

Payam Rahim Masharei; Seyed Mostafa Hosseinalipour; Mohammad Javad moslemani

Volume 8, Issue 2 , Winter and Spring 2019, , Pages 197-210


  Laminar mixing of glycerin in a chaotic mixer is carried by means of the blob deformation method. The mixer was a cylindrical vessel with two rotational blades which move along two different circular paths with a stepwise motion protocol. The flow visualization was performed by marking of the free surface ...  Read More

Fluid Mechanics
13. Three-Dimensional Boundary Layer Flow and Heat Transfer of a Dusty Fluid Towards a Stretching Sheet with Convective Boundary Conditions

Prasannakumara B.C; Shashikumar N.S; Archana M

Volume 8, Issue 1 , Summer and Autumn 2018, , Pages 25-38


  The steady three-dimensional boundary layer flow and heat transfer of a dusty fluid towards a stretching sheet with convective boundary conditions is investigated by using similarity solution approach. The free stream along z-direction impinges on the stretching sheet to produce a flow with different ...  Read More

Fluid Mechanics
14. Investigation of fluid flow and heat transfer in tube hot metal gas forming process

Javad Shahbazi Karami; GH. Payganeh

Volume 7, Issue 1 , Summer and Autumn 2017, , Pages 47-56


  In this study, hot metal gas forming process of AA6063aluminumtubeis studied with a focus on heat transfer of both fluid and solid phases numerically. An experimental study is simultaneously conducted to validate the numerical method. Some of the most important outputs of the present study, are velocity ...  Read More

Fluid Mechanics
15. A comparative study between two numerical solutions of the Navier-Stokes equations

M. Alemi; R. Maia

Volume 6, Issue 2 , Winter and Spring 2017, , Pages 1-12


  The present study aimed to investigate two numerical solutions of the Navier-Stokes equations. For this purpose, the mentioned flow equations were written in two different formulations, namely (i) velocity-pressure and (ii) vorticity-stream function formulations. Solution algorithms and boundary conditions ...  Read More

Fluid Mechanics
16. Water hammer simulation by explicit central finite difference methods in staggered grids

F. Khalighi; A. Ahmadi; A. Keramat

Volume 6, Issue 2 , Winter and Spring 2017, , Pages 69-77


  Four explicit finite difference schemes, including Lax-Friedrichs, Nessyahu-Tadmor, Lax-Wendroff and Lax-Wendroff with a nonlinear filter are applied to solve water hammer equations. The schemes solve the equations in a reservoir-pipe-valve with ...  Read More

Fluid Mechanics
17. Thermo-elasto-hydrodynamic (TEHD) analysis of oil film lubrication in big end bearing of a diesel engine

H. Chamani; H. Karimaei; M. Bahrami; S. M. Agha Mirsalim

Volume 5, Issue 1 , Summer and Autumn 2015, , Pages 13-24


  Nowadays, due to the increasing power of diesel engines, especially heavy duty diesel engines, and increasing gas pressure inside the combustion chamber, the forces acting on the engine bearings have dramatically raised. On the other hand, becaus eof the competition in the market, it is necessary to ...  Read More

Fluid Mechanics
18. Numerical investigation of thermal mixing of shear thinning fluids in one-way opposing jets

P. R. Mashaei Mashaei; S. M. Hosseinalipour; K. Esmailpour

Volume 3, Issue 2 , Winter and Spring 2014, , Pages 95-103


  In recent years, impinging streams have received increasing interest for their high efficiency in heat and mass transfer. This numerical study was conducted to investigate flow and heat transfer characteristics of one-way opposing jets of non-Newtonian fluids. Effects of Reynolds number impinging angle, ...  Read More

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

J. Jamaati; H. Niazmand; M. Renksizbulut

Volume 3, Issue 1 , Summer and Autumn 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

Fluid Mechanics
20. Derivation of turbulent energy in a rotating system

S. F. Ahmed

Volume 3, Issue 1 , Summer and Autumn 2013, , Pages 75-83


  Energy equation for turbulent flow in a rotating system was derived in terms of second order correlation tensors, where the correlation tensors were functions of space coordinates, distance between two points and time. To reveal the relationship of turbulent energy between two points, one point was taken ...  Read More

Fluid Mechanics
21. Applying evolutionary optimization on the airfoil design

Abolfazl Khalkhali*; Hamed Safikhani

Volume 2, Issue 1 , Summer and Autumn 2012, , Pages 51-62


  In this paper, lift and drag coefficients were numerically investigated using NUMECA software in a set of 4-digit NACA airfoils. Two metamodels based on the evolved group method of data handling (GMDH) type neural networks were then obtained for modeling both lift coefficient (CL) and drag coefficient ...  Read More

Fluid Mechanics
22. 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 , Summer and Autumn 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

Fluid Mechanics
23. A review of dough rheological models used in numerical applications

S. M. S. M. Hosseinalipour; A. Tohidi; M. Shokrpour

Volume 1, Issue 2 , Winter and Spring 2012, , Pages 129-147


  The motivation for this work is to propose a first thorough review of dough rheological models used in numerical applications. Although many models have been developed to describe dough rheological characteristics, few of them are employed by researchers in numerical applications. This article reviews ...  Read More

Fluid Mechanics
24. The numerical simulation of compressible flow in a Shubin nozzle using schemes of Bean-Warming and flux vector splitting

Gh. Payganeh; A. Hadidi; M. Hallaji; N. Garjasi

Volume 1, Issue 2 , Winter and Spring 2012, , Pages 111-118


  Over the last ten years, robustness of schemes has raised an increasing interest among the CFD community. The objective of this article is to solve the quasi-one-dimensional compressible flow inside a “Shubin nozzle” and to investigate Bean-Warming and flux vector splitting methods for numerical ...  Read More

Fluid Mechanics
25. Buckling of multi wall carbon nanotube cantilevers in the vicinity of graphite sheets using monotone positive method

Aminreza Noghrehabadia; Mohammad Ghalambaza; Afshin Ghanbarzadeh

Volume 1, Issue 2 , Winter and Spring 2012, , Pages 89-98


  In this paper, a monotone positive solution is studied for buckling of a distributed model of multi walled carbon nanotube (MWCNT) cantilevers in the vicinity of thin and thick graphite sheets subject to intermolecular forces. In the modeling of intermolecular forces, Van der Waals forces are taken into ...  Read More