Review paper Heat and Mass Transfer
A systematic approach for a better thermal management of photovoltaic systems- A review

Sidharth Sudhansu Chakrabarti; Akash Pandey; Pratik Dhage

Volume 10, Issue 1 , September 2020, Pages 1-24

  Solar energy is the highly recognized energy source, capable of fulfilling the world’s future energy demands. The solar photovoltaic technology involves the unmediated transformation of sunlight into electricity. A little fraction is converted into electricity and the remaining gets exhausted as ...  Read More

Research Paper Finite Elements Method (FEM)
FEM investigation of drilling conditions on heat generation during teeth implantation

Farshid Ahmadi; Rohollah Mohammadi

Volume 10, Issue 1 , September 2020, Pages 25-35

  Abstract The first step of implanting teeth is to drill a hole in the jaw bone. Excessive temperature produced during drilling is one of the destructive factors for bony tissue. If the temperature generation during surgical drilling exceeds the critical temperature, it could lead to osteonecrosis. This ...  Read More

Research Paper Heat and Mass Transfer
Entropy generation analysis of MHD forced convective flow through a horizontal porous channel

Pooja Sharma; Tarun Sharma; Navin Kumar

Volume 10, Issue 1 , September 2020, Pages 37-49

  Entropy generation due to viscous incompressible MHD forced convective dissipative fluid flow through a horizontal channel of finite depth in the existence of an inclined magnetic field and heat source effect has been examined. The governing non-linear partial differential equations for momentum, energy ...  Read More

Research Paper 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

Research Paper Internal Combustion Engine
Investigating the effects of fuel injection strategies in a dual-fuel diesel-H2 compression ignition engine

Ali Shaafi; Mohammad Javad Noroozi; Vahid Manshaei

Volume 10, Issue 1 , September 2020, Pages 63-71

  In this computational research, the separate and simultaneous impacts of diesel direct injection timing, fuel spraying cone angle, and hydrogen gas addition on combustion characteristics, output emissions, and performance in a single-cylinder direct injection diesel engine was studied. In order to conduct ...  Read More

Research Paper Vibration
Dynamic response of a shaft of a Pelton turbine due to impact of water jet

Mahesh Luintel; Tri Ratna Bajracharya

Volume 10, Issue 1 , September 2020, Pages 73-84

  Performance and reliability of any rotating machine can be studied by proper dynamic analysis of the machine. In this regard, this paper presents the method to study the dynamic response of the shaft of a Pelton turbine due to the impact of water jet. Equations of motion for the bending vibration of ...  Read More

Research Paper Heat and Mass Transfer
Inclined Lorentzian force effect on tangent hyperbolic radiative slip flow imbedded carbon nanotubes: lie group analysis

Sreenivasulu Pandikunta; Vasu B; Poornima Tamalapakula; N Bhaskar Reddy

Volume 10, Issue 1 , September 2020, Pages 85-99

  The present paper focuses on numerical study for an inclined magneto-hydrodynamic effect on free convection flow of a tangent hyperbolic nanofluid embedded with Carbon nanotubes (CNTs) over a stretching surface taking velocity and thermal slip into account. Two types of nanoparticles are considered for ...  Read More

Research Paper 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

Research Paper Control
LabVIEW implementation of an enhanced nonlinear PID controller based on harmony search for one-stage servomechanism system

Mohamed Shamseldin; Mohamed Sallam; Abd Halim Bassiuny; Abdel Ghany Mohamed

Volume 10, Issue 1 , September 2020, Pages 111-123

  This paper presents a practical implementation for a new formula of nonlinear PID (NPID) control. The purpose of the controller is to accurately trace a preselected position reference of one stage servomechanism system. The possibility of developing a transfer function model for experimental setup is ...  Read More

Research Paper Manufacturing Processes
Investigation of hot metal gas forming process of square parts

Mehrdad Nasrollahzade; Seyed Jalal Hashemi; Hassan Moslemi Naeini; Amirhosein Roohi; Shahryar Imani Shahabad

Volume 10, Issue 1 , September 2020, Pages 125-138

  Aluminum alloys are considered a lot in the automotive and aerospace industry because of their high strength to weight ratio. In this manuscript, the gas forming process of aluminum AA6063 tubes at high temperatures up to 500°C is investigated, through experimental and numerical tests. Therefore, ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
Analytical and comparative investigations on counter flow heat exchanger using computational fluid dynamics

Shuvam Mohanty; Om Parkash; Rajesh Arora

Volume 10, Issue 1 , September 2020, Pages 139-152

  This paper presents a comprehensive and exclusive thermodynamic analysis of counter flow heat exchanger under various operating and geometrical conditions. Analysis system (ANSYS) workbench 14.0 has been used for computational analysis and comparison with previous literature has been carried out in view ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
Numerical modeling of three-phase flow through a Venturi meter using the LSSVM algorithm

Omid Khayat; Hossein Afarideh

Volume 10, Issue 1 , September 2020, Pages 153-170

  One of the challenging problems in the Oil & Gas industry is accurate and reliable multiphase flow rate measurement in a three-phase flow. Application of methods with minimized uncertainty is required in the industry. Previous developed correlations for two-phase flow are complex and not capable ...  Read More

Research Paper Heat and Mass Transfer
Impact of thermal radiation and viscous dissipation on hydromagnetic unsteady flow over an exponentially inclined preamble stretching sheet

Bala Anki Reddy Polu; SRR Reddy

Volume 10, Issue 1 , September 2020, Pages 171-181

  The present numerical attempt deals the sway to transfer of heat and mass characteristics on the time-dependent hydromagnetic boundary layer flow of a viscous fluid over an exponentially inclined preamble stretching. Furthermore, the role of viscous heating, thermal radiation, uneven energy gain or loss, ...  Read More

Research Paper Fluid Mechanics
The effect of turbulence model on predicting the development and progression of coronary artery atherosclerosis

Bahador Sharifzadeh; Rasool Kalbasi; Mehdi Jahangiri

Volume 10, Issue 1 , September 2020, Pages 183-199

  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

Research Paper Energy Systems
Operational trends of a mini parabolic solar collector for agricultural purposes in a non-active solar environment

Moses EMETERE; Samuel Sanni; O Dauda; A Akinsiku; O Osunlola; A Adejumo

Volume 10, Issue 1 , September 2020, Pages 201-210

  The mode of operation of mini parabolic solar panels made of germanium, mild steel and aluminium were investigated experimentally, as means of providing heated water on a farmland; the process was also modelled. Angular adjustments of the solar collectors from 70-90o were adopted in order to determine, ...  Read More

Research Paper 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

Review paper 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

Research Paper 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

Research Paper 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

Research Paper Aerodynamics
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