Research Paper Aerodynamics
1. Favorable Plug Shape of an Aerospike Nozzle in Design, Over and Under Expansion Conditions

ava shahrokhi; sahar noori

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 1-14

http://dx.doi.org/10.22061/jcarme.2017.2162.1243

Abstract
  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

Research Paper Vibration
2. A comparison between modal damping ratios identified by NExT-ERA and frequency domain impact test

Ali Nouri; Sajad Hajirezaee

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 15-24

http://dx.doi.org/10.22061/jcarme.2017.1552.1128

Abstract
  In this research, the modal parameters of a beam in free-free condition are extracted by performing different experiments in laboratory. For this purpose, two different techniques are employed. The first methodology is considered as a time domain method in Operational Modal Analysis. While the other ...  Read More

Research Paper Fluid Mechanics
3. 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

http://dx.doi.org/10.22061/jcarme.2017.2401.1227

Abstract
  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

Research Paper Forming
4. Analysis of deep drawing process to predict the forming severity considering inverse finite element and extended strain-based forming limit diagram

Mehdi Bostan Shirin; Ramin Hashemi; Ahmad Assempour

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 39-48

http://dx.doi.org/10.22061/jcarme.2018.1750.1152

Abstract
  An enhanced unfolding Inverse Finite Element Method (IFEM) has been used together with an extended strain-based forming limit diagram (EFLD) to develop a fast and reliable approach to predict the feasibility of the deep drawing process of a part and determining where the failure or defects can occur. ...  Read More

Research Paper Fracture Mechanics
5. Torsional analysis of an orthotropic long cylinder weakened by multiple axisymmetric cracks

Alireza Hassani; Amin Hassani; Mojtaba Mahmoudi Monfared

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 49-60

http://dx.doi.org/10.22061/jcarme.2018.2283.1214

Abstract
  Abstract: The solution to problem of an orthotropic long cylinder subjected to torsional loading is first obtained by means of separation valuables. The cylinder is twisted by two lateral shear tractions and the ends of the cylinder surface of the cylinder are stress-free. First, the domain under consideration ...  Read More

Research Paper Aerodynamics
6. Effects of Different Turbulence Models in Simulation of Unsteady Tip Leakage Flow in Axial Compressor Rotor Blades Row

Sarallah Abbasi; Marhamat zienali

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 61-74

http://dx.doi.org/10.22061/jcarme.2017.2335.1221

Abstract
  Characteristics of rotor blade tip clearance flow in axial compressors can significantly affect their performance and stable operation. It may also increase blade vibrations and cause detrimental noises. Therefore, this paper is contributed to investigate tip leakage flow in a low speed isolated axial ...  Read More

Research Paper Computational Fluid Dynamics (CFD)
7. Effect of Variable Thermal Conductivity and the Inclined Magnetic Field on MHD Plane Poiseuille Flow in a Porous Channel with Non-Uniform Plate Temperature

Muhim Chutia

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 75-84

http://dx.doi.org/10.22061/jcarme.2017.1620.1137

Abstract
  The aim of this paper is to investigate the effect of the variable thermal conductivity and the inclined uniform magnetic field on the plane Poiseuille flow of viscous incompressible electrically conducting fluid between two porous plates Joule heating in the presence of a constant pressure gradient ...  Read More

Research Paper Solar Energy
8. Evaluation of solar-chimney power plants with multiple-angle collectors

hamideh Hoseini; ramin mehdipour

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 85-96

http://dx.doi.org/10.22061/jcarme.2017.2282.1213

Abstract
  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

Research Paper Composite Materials
9. 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 , Summer and Autumn 2018, Pages 97-106

http://dx.doi.org/10.22061/jcarme.2018.3063.1329

Abstract
  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

Research Paper Optimization
10. Presenting Three Design Methods for Axial Compressor Blade via Optimization

Omid Fathi; Hadi Kargarsharifabad

Volume 8, Issue 1 , Summer and Autumn 2018, Pages 107-120

http://dx.doi.org/10.22061/jcarme.2018.1948.1164

Abstract
  Improving the efficiency of compressors has been one of the most important goals of researchers over the years. In this paper, three different methods are presented for parameterization and blade optimization of axial flow compressor. All methods consist of flow analysis tool, optimization algorithms, ...  Read More