Davood domiri ganjiBabol Noshirvani University of Technology | NIT · Department of Fluid Mechanics
Davood domiri ganji
Professor
About
1,281
Publications
256,067
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56,983
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Introduction
Professor of Mechanical Engineering
Employment History
Teach in university
From 2000 to present
Mazandaran University,
P. O. Box 484, Babol, Mazandaran, IRAN
Fax: (+98) 111-3234205
(+98) 111-3234201
Education
School name
City, ST
Subjects studied
TEACHING
Differential equation (O.D.E and P.D.E.),
Calculus I and II,
Engineering Mathematics,
Advanced Mathematics,
Aerodynamics,
Mechanics of Fluid and Engineering Control,
Heat Conduction
and ...
Skills and Expertise
Publications
Publications (1,281)
This study employs the Hybrid Analytical-Numerical (HAN) method to investigate steady two-dimensional magnetohydrodynamic (MHD) nanofluid flow over a permeable wedge. Analyzing hyperbolic tangent nanofluid flow, the governing time-independent partial differential equations (PDEs) for continuity, momentum, energy, and concentration transform into a...
Natural convection in a square porous cavity with a partial magnetic field is investigated in this work. The magnetic field enters a part of the left wall horizontally. The horizontal walls of the cavity are thermally insulated. The wave vertical wall on the right side is at a low temperature, while the left wall is at a high temperature. The Brink...
This study explores heat transfer in a system involving Jeffery fluid of MHD flow and a porous stretching sheet. The mathematical representation of this system is initially described using a partial differential equation (PDE), which is then converted into an ordinary differential equation (ODE) through numerical techniques such as Lie similarity a...
This study introduces a semi-analytical method called the New Trigonometric Radial Basis Function (NTRBF) approach to address the challenges of solving highly nonlinear differential equations in vibration problems. The method uses a particular trigonometric function to deal with differential equations in an extraordinary and original approach. This...
In this research, we explore the impact of changing viscosity in the context of the asymmetric laminar flow of Casson fluid with thermal radiation. The flow occurs within a channel that can either expand or contract, featuring porous walls. The flow equations are converted into ordinary differential equations (ODEs) through appropriate transformati...
This study uses analytical and numerical approaches to explore nanofluid peristaltic flow and heat transfer in drug delivery systems. Low Reynolds numbers are used to examine the study using long-wavelength approximations. Along the channel, the walls are distributed sinusoidally. The current issue is resolved by using analytical and numerical meth...
Purpose
This study aims to analyze the two-dimensional ferrofluid flow in porous media. The effects of changes in parameters such as permeability parameter, buoyancy parameter, Reynolds and Prandtl numbers, radiation parameter, velocity slip parameter, energy dissipation parameter and viscosity parameter on the velocity and temperature profile are...
This study comprehensively investigates the effect of magnetic fields and thermal radiation on mixed convection in a hybrid alumina–copper/water nanofluid flowing over a permeable vertical flat plate. The study aims to model conventional nanofluid behavior accurately by considering the hybridization of two types of nanoparticles. Conventional simil...
In this paper, effect of physical parameters in presence of magnetic field on heat transfer and flow of third grade non-Newtonian Nanofluid in a porous medium with annular cross sectional analytically has been investigated. The viscosity of Nanofluid categorized in 3 model include constant model and variable models with temperature that in variable...
In this study, a numerical analysis of turbulent flow in a combustion chamber with a Reynolds number of 16700 was conducted, focusing on the application of a 20 kHz ultrasound wave from a bowl-shaped diffusion source for 1 s to reduce process temperature within 5 ms. The study employed the k-ω model, with turbulence-chemistry interaction modeled us...
This study examines Titania nanofluids that conduct electricity and are combined with various base fluids, focusing on various aspects. A magnetic field analyzes a continuous flow of nanofluid over a rotating disk that is positioned at an angle with a three-dimensional geometry assumption. The continuity, momentum, and energy balance equations are...
Purpose
The current analysis produces the fractional sample of non-Newtonian Casson and Williamson boundary layer flow considering the heat flux and the slip velocity. An extended sheet with a nonuniform thickness causes the steady boundary layer flow’s temperature and velocity fields. Our purpose in this research is to use Akbari Ganji method (AGM...
Microbial fuel cells (MFCs) are promising for generating renewable energy from organic matter and efficient wastewater treatment. Ensuring their practical viability requires meticulous optimization and precise design. Among the critical components of MFCs, the membrane separator plays a pivotal role in segregating the anode and cathode chambers. Re...
This research employs a local thermal non-equilibrium (LTNE) model to analyze the heat transfer phenomenon through a porous fin, considering natural convection and radiation effects. The infiltration velocity within the porous medium is evaluated using the Darcy model, and buoyancy effects are accounted for using the Boussinesq approximation. The A...
Purpose
The purpose of this paper is to assess the feasibility of analytical models, specifically the radial basis function method, Akbari–Ganji method and Gaussian method, in conjunction with the finite element method. The aim is to examine the impact of processing parameters on temperature history.
Design/methodology/approach
Through analytical...
The purpose of this theoretical study is to explore the behavior of an electrically conducting micropolar fluid when subjected to a uniform magnetic field along the vertical axis between two stretching disks as the structure of the problem changes. In this context, structural changes refer to alterations in the distance between the two discs or the...
In the present study, the motion and interaction of a bubble pair rising in a stationary liquid are simulated in two dimensions using the volume of fluid method (VOF) in the open-source CFD package OpenFOAM. For validation, the single bubble rising for different regimes was simulated. Comparing the present study results and previous numerical and e...
This study presents experimental findings on the crossflow injection of a liquid jet into a gaseous flow. Crossflow injection is favored over co-axial trajectory injection because of its potential to enhance atomization, promote the formation of smaller droplets, and improve injection parameters, mainly due to the differing trajectory of fuel injec...
Micro and Nano beam MEMS devices possess a broad range of applications owing to their capability to produce precise mechanical motion and sensing capabilities at a small scale. In the field of biomedicine, these devices have been employed in applications such as tissue engineering, lab-on-a-chip systems, and implantable devices. Medical devices, pa...
This paper aims to find an exact solution for the von Kármán swirling viscous fluid flow caused by the infinite radius rotating disk with uniform suction. The swirling flow occurred at infinity or far from the rotating disk, and two conditions were considered. The first condition is when the direction of swirling flow at infinity is the same as the...
A hybrid nanomaterial is a material that instantly combines the chemical and physical properties of different liquids and gives those properties in a uniform phase. The use of nanotechnology in various fields of engineering, biomedicine, industry, advanced nanotechnology, pharmaceuticals and biotechnology has convinced scientists that they enable m...
This study investigates the impact of heat radiation on magnetically-induced forced convection of nanofluid in a semi-porous channel. The research employs Akbari-Ganji's and Homotopy perturbation methods to analyze the effects of multiple parameters, including Hartmann number, Reynolds number, Eckert number, radiation parameter, and suction paramet...
In this study, a numerical investigation was conducted on the thermal analysis of transverse fluid flow in a gradient porous medium with exponential boundary conditions. By solving a two-dimensional system of dimensionless equations using the Newton–Raphson method and Galerkin finite element technique, the authors studied the effects of cross-diffu...
Nowadays, several engineering applications and academic investigations have demonstrated the significance of heat transfers in general and mixed convection heat transfer (MCHT) in particular in cavities containing obstacles. This study's main goal is to analyze the MCHT of a nanofluid in a triangular cavity with a pentagonal barrier using magneto h...
The heat transfer in 3D MHD flows using magnetic nanofluids (Ferrofluids) on bi-directionally exponentially stretched foils is currently under investigation. Ongoing research aims to solve the problem of heat transfer in three-dimensional Magnetohydrodynamic (MHD) flows of magnetic nanoliquid (ferromagnetic liquids) on exponentially expanding two-d...
The motion of the fluid due to the swirling of a disk/sheet has many applications in engineering and industry. Investigating these types of problems is very difficult due to the non-linearity of the governing equations, especially when the governing equations are to be solved analytically. Time is also considered a challenge in problems, and times...
This study introduces a semi-analytical New Trigonometric Radial Basis Function (NTRBF) method for solving strongly nonlinear differential equations in vibration problems. The method uses a particular trigonometric function to deal with differential equations in an extraordinary and original approach. It was compared to four different problems, inc...
In this study, we use the differential transform method and Akbari-Ganji method to examine the influence of uniform magnetic field on the natural convection heat transfer of nanofluids flowing between two infinite parallel plates. The effects of the primary parameters of Prandtl number, squeeze number, Schmidt number, Hartmann number, Eckert number...
This paper investigates the mixture of hybrid nanofluid (NF) flow between two concentric cylinders numerically. Ethylene glycol (80%) and water (20%) comprise the base fluid. Additionally, copper oxide (CuO) and silver (Ag) NPs are added. The hybrid NF flows between the two coaxial cylinders is studied. The inner cylinder is fixed and the outer cyl...
The study of nonlinear oscillators is an important topic in the development of the theory of dynamical systems. In this research, a nonlinear fractional model is introduced, which is called the fractional Van der Pol model. This modified model is derived using the Caputo–Fabrizio operator. Achieving the solution of this model is not easy. Therefore...
Cardiovascular diseases are unfortunately one of the leading causes of death in today's society. It is important to analyze blood flow in various parts of the circulatory system. The coronary artery is made up of four main arteries, and the left coronary artery is responsible for delivering blood to the heart muscle. This research utilizes computat...
The interaction between the magneto-hydrodynamic buoyant convection and the radiation in a partly heated hexagonal enclosed space filled with SWCNTs/water nanoliquid was inspected in the current work for the first time. The lowermost wall of the enclosed space was partially heated, while the other regions of this wall were presumed thermally insula...
In this article, the semi-analytical technique of the Hybrid Analytical and Numerical Method (the HAN Method) is used to study the non-transient forced non-Newtonian MHD Reiner-Rivlin viscoelastic fluid motion that is constrained between two plates. The magnetic field is also present in this model. The governing equations are in the PDE form and by...
In this numerical study, the bubble injection effect on the heat transfer rate is investigated next to an inclined heated wall. The volume of fluid (VoF) method solver in the OpenFOAM package is extended with an energy equation and Boussinesq approximation to consider the natural convection flow. The solver is validated with several single and mult...
An analysis of the bioconvective slump point flow of nanofluid is addressed. The studied nanofluid, which contains gyrotactic microorganisms, was investigated in a porous medium on a nonlinear tensile plate in which it was placed. The scaling group transformation approach converted the analyzed PDEs to ODEs. ODEs obtained are solved using the numer...
In this paper, the flow of an incompressible fluid is thermally studied. Investigations into the heat transfer process have been conducted in non-Newtonian fluid flows with chemical reactions and heat sources present. The application of this work is the fluid flow around the stretching sheet; fluid flow on a stretching sheet can be applied to polym...
In this article, a novel design for the vortex chamber with the axial grooves used for cooling the turbine blades leading edge is presented. The vortex chamber has nine tangential inlets that make a vortex in the chamber and an axial groove located along with the chamber. In addition to enhance the flow turbulence, these grooves cause an increasing...
This paper studies the effect of thermo-diffusion, electrical field, and nonlinear thermal radiation. Thermal radiant heat transfer has several industrial applications, and the analysis of radiation heat transfer in non-Newtonian fluids under different conditions has been widely studied. To better understand the problem of thermal nonlinear radiati...
In this investigation, the effects of active parameters such as Reynolds number (R),expansion ratio (α), shape factor (S) and temperature power index (m) on the MoS2 -SiO2/water based hybrid nanofluidic flow and heat transfer characteristics of anasymmetric porous channel are assessed. The main objective is solving the non-lineardifferential equati...
In recent years, the Akbari Ganji Method (AGM), Variational Iteration Method (VIM), and, Homotopy Perturbation Method (HPM) have gotten a lot of attention as a potential method for solving nonlinear differential equations. The use of AGM, VIM, and HPM in a special type of nonlinear fractional differential equations result in the calculation of supe...
The transient squeezing flow of 2D Magnetohydrodynamics (MHD) considering Casson fluid in the existence of solar irradiance is clarified numerically and theoretically. Generally, to minimize the energy utilized in the solar unit, we must track the heat and mass transition procedure in the solar irradiance process. In this issue, we assumed the dyna...
In this study, the accuracy of three methods to simulate the thermal diffusivity profile in oblique stenosis artery with hybrid nanofluid and the influence of volume fraction and heat sources in the hybrid nanofluid, including Al2O3 and Cu, is studied. Comparing the analytical methods for reliable answers is important in the new studies. Also, the...
Printed Circuit Heat Exchanger (PCHE) is a widely chosen plate type compact heat exchanger for high
pressure application. Increasing performance of printed circuit heat exchanger (PCHE) is very important for improvement of thermal efficiency of supercritical Co2 Brayton cycle. The innovation of this paper is using triangular and trapezoidal channel...
The current appraisal evaluates the heat transfer phenomena of the nanofluid stream through the microchannel heat sink, considering the existence of a magnetic field. Moreover, Aluminum oxide (Al2o3)-water nanofluid is elected and implemented as a cooling fluid in this study. Also, the Koo–Kleinstreuer model (KKL correlation) is provided for the co...