Computational Fluid Dynamics (CFD)
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 , March 2018, , Pages 209-222

  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

Fluid Mechanics
An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger

Rasoul Talebian; Mansour Talebi

Volume 12, Issue 2 , February 2023, , Pages 225-236

  In the present study, the pressure drop of the nanofluid flow of carbon-water nanotubes (CNT/water) in a helical three-tube heat exchanger with constant fluid physical properties has been experimentally evaluated. For this purpose, first, the experimental device was designed and manufactured and then ...  Read More

Fluid Mechanics
Analytical study of nano-bioconvective flow in a horizontal channel using Adomian decomposition method

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

Volume 9, Issue 2 , February 2020, , Pages 245-258

  In this paper, the bioconvective nanofluid flow in a horizontal channel was considered. Using the appropriate similarity functions, the partial differential equations of the studied problem resulting from mathematical modeling are reduced to a set of non-linear differential equations. Thereafter, these ...  Read More

Thermodynamics and Cumbustion
Heat transfer characteristics of methane-air diffusion flames impinging normally on plane surfaces

Satyananda Tripathy; Manmatha K Roul; Akshaya K Rout

Volume 10, Issue 2 , April 2021, , Pages 361-372

  Theoretical investigation of turbulent flame impinging normally on plane surfaces isdone to determine the average Nusselt number and the plate heat flux distribution as functions of jet Reynolds number, equivalence ratio, and separation distance. The analysis is established on the mathematical formulation ...  Read More

Stress Analysis
Thermomechanical behaviour of functionally graded plates with HSDT

Sidda Reddy Bathini; Vijaya Vumar Reddy K

Volume 11, Issue 2 , March 2022, , Pages 365-379

  This paper presents closed-form formulations of higher order shear deformation theory (HSDT) to analyse the functionally graded plates (FGPs) acted upon a thermo-mechanical load for simply supported (SS) conditions. This theory assumes nullity conditions for transverse stress on bottom and top face of ...  Read More

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

F. Khalighi; A. Ahmadi; A. Keramat

Volume 6, Issue 2 , June 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

Heat and Mass Transfer
A truly meshless method formulation for analysis of non-Fourier heat conduction in solids

Isa Ahmadi

Volume 6, Issue 1 , December 2016, , Pages 75-89

  The non-Fourier effect in heat conduction is important in strong thermal environments and thermal shock problems. Generally, commercial FE codes are not available for analysis of non-Fourier heat conduction. In this study, a meshless formulation is presented for the analysis of the ...  Read More

LQG vibration control of sandwich beams with transversely flexible core equipped with piezoelectric patches

Nima Nadirian; Hasan Biglari; Mohammad Ali Hamed

Volume 7, Issue 1 , August 2017, , Pages 85-97

  The purpose of this paper is control of simply supported flexible core sandwich beam's linear vibration equipped with piezoelectric patches under different loads. The effects of external forces imposed on sandwich beam can be reached to a minimum value by designing an appropriate controller and control ...  Read More

Solar Energy
Evaluation of solar-chimney power plants with multiple-angle collectors

hamideh Hoseini; ramin mehdipour

Volume 8, Issue 1 , September 2018, , Pages 85-96

  Solar chimney power plants are plants based on solar thermal power including three parts of collector, chimney and turbine, which is able to produce electrical energy. One of the effective parameters in increasing the power production is the collector angles versus horizon. In the present study, a numerical ...  Read More

Fluid Mechanics
Numerical investigation of the effect of size distribution on the frequency response of encapsulated microbubbles

Miralam Mahdi; Mostafa Shariatnia; Majid Rahimi

Volume 13, Issue 1 , September 2023, , Pages 89-101

  Microbubbles are used in ultrasound imaging, targeted drug delivery, destruction of cancerous tissues, etc. On the other hand, the demographic behaviors of small bubbles under the influence of Ultrasound have not been fully detected or studied. This study investigates the effect of the radial distribution ...  Read More

Analysis and implementation of the solar tree by determining the optimal angle in Shiraz-Iran

Meraj Rajaee; Mina Jalali

Volume 12, Issue 1 , August 2022, , Pages 95-107

  The solar tree is a combination of technology and art that is considered as the application of solar energy in the art of urban architecture. This study aims to combine solar technology with architectural style and art, to help urban beautification and investigate the increase in solar panels' efficiency ...  Read More

Computational Fluid Dynamics (CFD)
Cooling a hot obstacle in a rectangular enclosure by using a MHD nanofluid with variable properties

Milad Darabi Boroujeni; Ehsan Kianpour

Volume 10, Issue 1 , September 2020, , Pages 101-110

  In this study, cooling of a hot obstacle in a rectangular cavity filled with water-CuO nanolfuid has been examined numerically. This cavity has an inlet and outlet and the cold nanofuid comes from the left side of the cavity and after cooling the hot obstacle, it goes out from the opposite site. All ...  Read More

Manufacturing Processes
Investigation of process parameters for T-joint aluminum alloy 6061-T6 with nanocomposites material friction stir welding based on the Taguchi method

Faiz Fawzi Mustafa; Sadoon Radi Daham

Volume 11, Issue 1 , September 2021, , Pages 101-111

  Surface layer in many engineering applications is strengthened by ceramic grains where the main parts have higher structure toughness than the original material. This paper presents the effect of four process parameters that have been taken into consideration using Taguchi technique based on L9 orthogonal ...  Read More

Computational Fluid Dynamics (CFD)
Experimental study and application of computational fluid dynamics on the prediction of air velocity and temperature in a ventilated chamber

mohammad saeed sharifi; Miralam Mahdi; Karim Maghsoudi Mehraban

Volume 9, Issue 1 , September 2019, , Pages 107-119

  The shape of the air flow in the interior is heavily influenced by the air distribution system and the way air enters and exits. By numerically simulating flow by computational fluid dynamics, one can determine the flow pattern and temperature distribution and, with the help of the results, provide an ...  Read More

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

Payam Rahim Masharei; Seyed Mostafa Hosseinalipour; Mohammad Javad moslemani

Volume 8, Issue 2 , February 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

Meshless Numerical Methods
Comparison of the performance of mesh and simple baffles in controlling the sloshing phenomenon based of the SPH simulation

Rahim Shamsoddini; Bahador Abolpour

Volume 13, Issue 2 , March 2024, , Pages 219-228

  One of the main problems in liquid transfer tanks is the sloshing phenomenon. This phenomenon, which is associated with regular or irregular liquid waves inside the tank, can cause many risks. One of the most widely applied methods to control the fluctuations caused by the sloshing phenomenon is the ...  Read More

Manufacturing Processes
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 , March 2018, , Pages 223-231

  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

Computational Fluid Dynamics (CFD)
Pulsatile developing channel flows in low Reynolds Number regime

Golchehreh Shajari; Morteza Abbasi; Mehran Khaki Jamei

Volume 12, Issue 2 , February 2023, , Pages 237-245

  In this study, comprehensive numerical simulations were conducted to examine laminar pulsatile developing flows through flat channels. The developing velocity fields and the hydrodynamic entry length were explored for the Reynolds numbers from 20 to 200, and the low and intermediate non-dimensional pulsation ...  Read More

Numerical study of induction heating by micro / nano magnetic particles in hyperthermia

Faramarz Talati; AliAsghar Asghar Taheri

Volume 9, Issue 2 , February 2020, , Pages 259-273

  Hyperthermia is one of the first applications of nanotechnology in medicine by using micro/nano magnetic particles that act based on the heat of ferric oxide nanoparticles or quantum dots in an external alternating magnetic field. In this study, a two-dimensional model of body and tumor tissues embedded ...  Read More

Power Generation
Numerical analysis of photovoltaic power generation in different locations of Bangladesh

Rehena Nasrin Nasrin; M. Saddam Hossain

Volume 10, Issue 2 , April 2021, , Pages 373-389

  Photovoltaic (PV) module is one of the most useful, sustainable and non-harmful products in the field of renewable energy. It offers longer service period for least maintenance cost. The elements of PV are abrasive, easy for designing, and their structure like the stand-alone technique gives production ...  Read More

Composite Materials
Influence of material and internal support on natural frequencies of thin-walled cylindrical tanks

Nabard Habibi; Yasaman Ahmadi

Volume 11, Issue 2 , March 2022, , Pages 381-395

  Water storage tanks are amongst the essential infrastructures, and the study of their natural frequencies plays a pivotal role in predicting and detecting dynamic behavior. Therefore, it helps to the uninterrupted operation of an industrial plant and the use of tank water in emergencies. This paper studies ...  Read More

Dynamical formation control of wheeled mobile robots based on fuzzy logic

k. Alipour; m. Ghiasvand; B. Tarvirdizadeh

Volume 6, Issue 2 , June 2017, , Pages 79-91

  In this paper, the important formation control problem of nonholonomic wheeled mobile robots is investigated via a leader-follower strategy. To this end, the dynamics model of the considered wheeled mobile robot is derived using Lagrange equations of motion. Then, using ADAMS multi-body simulation software, ...  Read More

Composite Materials
Experimental study on thermal conductivity of polyurethane resin filled with modified nanoparticles

Ali Akbar Azemati; Hossain Khorasanizadeh; Behzad Shirkavand Hadavand; Ghanbar Ali Sheikhzadeh

Volume 8, Issue 1 , September 2018, , Pages 97-106

  One of the ways to waste energy in buildings is wasting it from the walls. For this reason, insulating materials are used to prevent the loss of energy in buildings. Typically, common insulations are high thickness and thin coatings are used less. The purpose of this research is to introduce nanocomposite ...  Read More

Composite Materials
On the flexural properties of multiscale nanosilica/E-glass/epoxy anisogrid-stiffened composite panels

Reza Eslami-Farsani; Hamed Khosravi

Volume 7, Issue 1 , August 2017, , Pages 99-108

  In the present study, multiscale nanosilica/E-glass/epoxy anisogrid composite panels were investigated for flexural properties as a function of nanosilica loading in the matrix (0, 1, 3 and 5 wt.%). The surface of the silica nanoparticles was firstly modified with 3-glycidoxypropyltrimethoxysilane (3-GPTS). ...  Read More

Nonlinear Solution
Active control of superposition of waves with time lagging and frequency difference: Numerical simulation

Yu Maan Kong; Wah Yen Tey

Volume 13, Issue 1 , September 2023, , Pages 103-112

  The theory of superposition of waves has been widely deployed in many engineering applications such as medical imaging, engineering measurements, and wave propagation in structures. However, these applications are prone to the interference of unwanted waves. The root cause of the weakness could be ascribable ...  Read More