Manufacturing Processes
Study on tool wear and surface roughness in end milling of particulate aluminum metal matrix composite: Application of response surface methodology

R. Arokiadass*; K. Palaniradja; N. Alagumoorthi

Volume 2, Issue 1 , December 2012, , Pages 1-13

  Metal matrix composites have been widely used in industries, especially aerospace industries, due to their excellent engineering properties. However, it is difficult to machine them because of the hardness and abrasive nature of reinforcement elements like silicon carbide particles (SiCp).In the present ...  Read More

Heat and Mass Transfer
Heat generation and radiation effects on steady MHD free convection flow of micropolar fluid past a moving surface

M. Gnaneswara Reddy

Volume 2, Issue 2 , June 2013, , Pages 1-10

  This paper was concerned with studying the magnetohydrodynamic steady laminar free convection flow of a micropolar fluid past a continuously moving surface in the presence of heat generation and thermal radiation. Similarity transformation was employed to transform the governing partial differential ...  Read More

Effect of welding parameters on pitting corrosion rate of pulsed current micro plasma arc welded AISI 304L sheets in 1N HCl

Kondapalli Siva Prasad; Chalamalasetti Srinivasa Rao; Damera Nageswara Rao

Volume 3, Issue 1 , December 2013, , Pages 1-11

  Austenitic stainless steel sheets have gained wide acceptance in the fabrication of components, which require high temperature resistance and corrosion resistance such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industries. In the case of single pass welding of thinner ...  Read More

Fracture Mechanics
Fracture mechanics-based life prediction of a riveted lap joint

A. R. Shahani; H. Moayeri Kashani

Volume 4, Issue 1 , December 2014, , Pages 1-17

  In this paper, three-dimensional modeling of the fatigue crack growth profiles was performed in a simple riveted lap joint. Simulation results showed that mode I was dominated on the one side of the plates and the crack straightly grew on this side, while the other side of the plates was in a mixed-mode ...  Read More

Experimental and finite-element free vibration analysis and artificial neural network based on multi-crack diagnosis of non-uniform cross-section beam

B. Asmar; M. Karimi; F. Nazari; A. Bolandgerami

Volume 5, Issue 1 , December 2015, , Pages 1-11

  Crack identification is a very important issue in mechanical systems, because it is a damage that if develops may cause catastrophic failure. In the first part of this research, modal analysis of a multi-cracked variable cross-section beam is done using finite element method. Then, the obtained results ...  Read More

Simultaneous allocation of reliability & redundancy using minimum total cost of ownership approach

G. Kanagaraj; N. Jawahar

Volume 1, Issue 1 , December 2011, , Pages 1-16

  This paper addresses the mixed integer reliability redundancy allocation problems to determine simultaneous allocation of optimal reliability and redundancy level of components based on three objective goals. System engineering principles suggest that the best design is the design that maximizes the ...  Read More

Favorable Plug Shape of an Aerospike Nozzle in Design, Over and Under Expansion Conditions

ava shahrokhi; sahar noori

Volume 8, Issue 1 , September 2018, , Pages 1-14

  The influence of the plug shape on the performance of an aerospike nozzle thrust force is studied in different back pressure conditions. To generate smooth plug contours, Cubic B-Spline technique is employed. In the current research, basis functions are obtained using Deboor’s relation. The flow ...  Read More

Computational Fluid Dynamics (CFD)
An advection-diffusion multi-layer porous model for stent drug delivery in coronary arteries

Seyed Masoud Vahedi; Mohammad Sadegh Valipour; Filippo de Monte

Volume 9, Issue 1 , September 2019, , Pages 1-18

  Arterial drug concentration distribution determines local toxicity. The safety issues dealt with Drug-Eluting Stents (DESs) reveal the needs for investigation about the effective factors contributing to fluctuations in arterial drug uptake. The current study focused on the importance of hypertension ...  Read More

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

Numerical analysis of the mechanical stimuli transferred from a dental implant to the bone

Diana Martins; Rui Couto; Elza M M Fonseca; Ana Rita Carreiras

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

  This work presents a numerical approach to predict the influence of material stiffness in a dental implant using different thread profile shapes, always with a constant number of threads, thread width and thread pitch. Dental implant affects bone tissue, in response to various mechanical stimuli where ...  Read More

Composite Materials
Assessment of particle size distribution and tensile properties of hybrid epoxy composite reinforced with functionalized graphene and CNT nanofillers

Manoj Kumar Shukla; Kamal Sharma

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

  The synergetic effect of amine functionalized multiple graphene layers (AMGL) and multi-walled carbon nanotube (AMWCNT) nano-fillers mixed with epoxy resin is investigated on the particle size distribution (PSD) and tensile properties of hybrid composites. The hybrid composites with an equal ratio of ...  Read More

Computational Fluid Dynamics (CFD)
Numerical simulation of extracorporeal membrane oxygenators to investigate important parameters and membrane thickness in oxygen exchange rate

Behnam Dilmaghani Hassanlouei; Nader Pourmahmoud; Pierre Sullivan

Volume 13, Issue 1 , September 2023, , Pages 1-12

  In this article, an extracorporeal membrane oxygenator (ECMO) is simulated in 2D geometry using computational fluid dynamics (CFD). Momentum and mass transport equations were solved for the laminar flow regime (30 < Re < 130 for the blood channel) using the finite element method. In this study, ...  Read More

Application of the airflow control by electro-hydrodynamic actuator

R. Mestiri*; F. Aloui; S. Ben Nasrallah

Volume 1, Issue 2 , June 2012, , Pages 69-76

  The technique used to control the airflow is based on the electro-hydrodynamic actuator which is also called plasma actuator. This actuator ensures the airflow control thanks to the electric wind created by the electrical corona discharge. This ionic wind is developed at the profile surface tangential ...  Read More

Heat and Mass Transfer
Effects of thermal diffusion and chemical reaction on MHD transient free convection flow past a porous vertical plate with radiation, temperature gradient dependent heat source in slip flow regime

S. Mohammed Ibrahim; K. Suneetha

Volume 5, Issue 2 , June 2016, , Pages 83-95

  An analytical investigation is conducted to study the unsteady free convection heat and mass transfer flow through a non-homogeneous porous medium with variable permeability bounded by an infinite porous vertical plate in slip flow regime while taking into account the thermal radiation, chemical reaction, ...  Read More

Optimal design of a vibration absorber for tremor control of arm in Parkinson's disease

Rouhollah Hosseini; Keikhosrow Firoozbakhsh; Hossein Naseri

Volume 3, Issue 2 , June 2014, , Pages 85-94

  Because the underlying physiology of pathological tremor in a Parkinson's patient is not well understood, the existing physical and drug therapies have not been successful in tremor treatment. Different mathematical modeling of such vibration has been introduced to investigate the problem and reduce ...  Read More

Thermodynamics and Cumbustion
Performance evaluation of waste fried vegetable oil in a medium grade low heat rejection diesel engine

M. V. S. Murali Krishna; R. P. Chowdary; T. Kishen Kumar Reddy; P. V. K. Murthy

Volume 4, Issue 2 , June 2015, , Pages 101-102

  Investigations were carried out to evaluate the performance of direct injection diesel engine with medium grade low heat rejection (LHR) combustion chamber and 3 mm air gap insulated piston, 3 mm air gap insulated liner, and ceramic coated cylinder head [ceramic coating with the thickness of 500 µ ...  Read More

Perturbation Technique
A study on free convective heat and mass transfer flow through a highly porous medium with radiation, chemical reaction and Soret effects

shaik Mohammed ibrahim; Kanna Suneetha; G.V Ramana Reddy

Volume 8, Issue 2 , February 2019, , Pages 121-132

  The paper addresses the effects of Soret on unsteady free convection flow of a viscous incompressible fluid through a porous medium with high porosity bounded by a vertical infinite moving plate under the influence of thermal radiation, chemical reaction, and heat source. The fluid is considered to be ...  Read More

Dynamic Response
Vibration characteristics of rotor systems with disk-shaft clearance

Zhinong Li; Fang Qiao; Yunlong Li; Shiyao Chen; Shijian Zhou; Fei Wang

Volume 13, Issue 2 , March 2024, , Pages 123-136

  Currently, the existing study on rotor system with disk-shaft clearance primarily focus on analyzing factors such as interference force and friction coefficient, while neglecting the vibration characteristics during the rotational states. Therefore, a finite element model is established by taking rotor ...  Read More

Computational performance comparison of multiple regression analysis, artificial neural network and machine learning models in turning of GFRP composites with brazed tungsten carbide tipped tool

Amith H Gadagi; Chandrashekar Adake

Volume 12, Issue 2 , February 2023, , Pages 133-143

  In a turning process, it is essential to predict and choose appropriate process parameters to get a component’s proper surface roughness (Ra). In this paper, the prediction of Ra through the artificial neural network (ANN), multiple regression analysis (MRA), and random forest method (machine learning) ...  Read More

Computational Fluid Dynamics (CFD)
Mixed convection on radiative unsteady Casson ferrofluid flow due to cone with Brownian motion and thermophoresis: A numerical study

chakravarthula S K Raju; P DurgaPrasad; S.V.K. Varma

Volume 7, Issue 2 , March 2018, , Pages 137-150

  In this study, the Brownian motion and thermophoresis effects on the MHD ferrofluid flow over a cone with thermal radiation were discussed. Kerosene with the magnetic nanoparticles (Fe3O4) was considered. A set of transformed governing nonlinear coupled ordinary differential equations were solved numerically ...  Read More

Grasp analysis of a four-fingered robotic hand based on Matlab simmechanics

Eram Neha; Mohd. Suhaib; Shruti Asthana; Sudipto Mukherjee

Volume 9, Issue 2 , February 2020, , Pages 169-182

  The structure of the human hand is a complex design comprising of various bones, joints, tendons, and muscles functioning together in order to produce the desired motion. It becomes a challenging task to develop a robotic hand replicating the capabilities of the human hand. In this paper, the analysis ...  Read More

Hydraulic and Pneumatic Systems
Numerical investigation of temperature effect on water hammer with cavitation in copper pipe rig

Amir Saidani; Ali Fourar; Fawaz Massouh

Volume 11, Issue 2 , March 2022, , Pages 279-295

  The paper investigates the temperature effect on water hammers in an isothermal pressurized copper pipe rig, for single and two-phase flows. The study concerns pressure wave’s intensity, celerity, and attenuation. Also, the volume of cavities created during low-pressure periods is inspected. The ...  Read More

Manufacturing Processes
Analysis of factors affecting delamination in drilling GFRP composite

Sachin G Ghalme; Yogesh Bhalerao; Kamlesh Phapale

Volume 10, Issue 2 , April 2021, , Pages 281-289

  Composite materials have proven their applicability for various structural components. Excellent properties of glass fiber reinforced plastic (GFRP) composite materials have presented GFRP composites for potential applications in aerospace and automobile-related industries. Drilling is an important operation ...  Read More

Prediction of sudden cardiac death based on fundamental changes in nonlinear characteristics of cardiac signals

Adel Maghsoudpour; Ali Dorostghol; Ali Ghaffari; Mansour NikkhahBahrami

Articles in Press, Accepted Manuscript, Available Online from 08 May 2024

  To quickly detect sudden Cardiac Death (SCD), it's decisive to gather suitable information and enhance the accuracy of the diagnosis algorithms. Consequently, In the present study the heart rate variability (HRV) signal of subjects who experienced sudden cardiac death (SCD) was studied. We looked at ...  Read More

Damage Mechanics
An investigation into finding the optimum combination for dental restorations

E. Homaei; K. Farhangdoost; M. Akbari

Volume 6, Issue 1 , December 2016, , Pages 1-9

  The aim of the study was to find the optimum combination of materials and thicknesses to provide a tough, damage resistant multi-layer system with numerical methods to restore the damaged teeth. Extended Finite Element Method (XFEM) was used to assess the critical loads for the onset of damage modes ...  Read More