Latest Articles

Numerical Simulation of a Cylindrical Heat Pipe and Performance Study

IJTEE, volume-12 , Issue 2 (2017), PP 135 - 141

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.010

by Mohammed Noorul Hussain, Isam Janajreh from Masdar Institute of Science and Technology, Abu Dhabi, UAE

Abstract: Heat Pipes are passive devices used for transferring heat from a heat source to a heat sink with very small difference in temperature. They have three read more...

Keywords: Heat pipe performance, Absolute thermal resistance, Numerical simulation, Experimental validation.

Voltage Unbalance Reduction of a Local Transformer Area with Domestic Asymmetrical Inverter and Optimal Control Design

IJTEE, volume-12 , Issue 2 (2017), PP 129 - 134

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.009

by László Neukirchner, Attila Göllei, Péter Görbe, Attila Magyar from Department of Electrical Engineering and Information Systems, Faculty of Information Technology, University of Pannonia, Egyetem street 10. H-8200, Veszprém, Hungary

Abstract: The three-phase unbalance problem can introduce additional losses in distribution networks due to both negative and zero sequence components, which le read more...

Keywords: voltage, Transformer, inverter

Solar Powered Electrolysis System for Cooking Applications

IJTEE, volume-12 , Issue 2 (2017), PP 119 - 122

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.007

by Evangelia Topriska, Maria Kolokotroni, Zahir Dehouche, and Earle Wilson from Heriot Watt University Dubai Campus, Dubai, United Arab Emirates Brunel University, Uxbridge, United Kingdom University of Technology, Kingston, Jamaica

Abstract: This paper presents a numerical model for a solar-powered Proton Exchange Membrane Electrolyser (PEM) for the generation of hydrogen as a fuel for coo read more...

Keywords: Solar Hydrogen, Electrolysis, Photovoltaics, Integrated Renewable Energy, Cooking

A note on NDT Technology for Detection of Defects in Oil and Gas Pipes

IJTEE, volume-12 , Issue 2 (2017), PP 117 - 118

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.006

by Amjad Omar from School of Graduate Studies and Research, American University of Ras Al Khaimah, UAE

Abstract: This paper provides a general note on the state of the art in the application of nondestructive testing techniques (NDT) for the detection of defects read more...

Keywords: NDT, Nonmetallic, Microwave

Scopus-Based Analysis of Solar Energy Research in the United Arab Emirates

IJTEE, volume-12 , Issue 2 (2017), PP 111 - 115

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.005

by Omar Akash from RAK Research & Innovation Center, American University of Ras Al Khaimah, United Arab Emirates

Abstract: This paper examines and presents the solar energy research situation in the UAE using Scopus-database. Like other countries of GCC, the UAE realizes t read more...

Keywords: Solar energy, Scopus, UAE

Flow Regimes and Heat Transfer Characteristics in Combustion Chambers

IJTEE, volume-12 , Issue 2 (2017), PP 105 - 110

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.004

by Saad A. Mohammed, Essam E. Khalil, Hatem Omar Haridy, and Esmail M. ElBialy from Ministry of Electricity, Baghdad, Iraq Mechanical, Engineering at Faculty of Engineering, Cairo University, Cairo, Egypt

Abstract: This paper presents numerical computations are performed to investigate the convective heat transfer characteristics of a gas turbine that can combust read more...

Keywords: Furnaces, Modelling, Swirling Flows, Heat transfer

Smoke Spread in Underground Metro Station

IJTEE, volume-12 , Issue 2 (2017), PP 95 - 103

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.003

by Mahmoud A. Ahmed, Mahmoud A. Fouad, and Essam E. Khalil from Mechanical Power Engineering Department, Faculty of Engineering, Cairo University, Giza, Egypt

Abstract: In the event of a subway train, fire smoke is the most fatal factor because smoke spreads in a direction that coincides with a passenger’s evacuatio read more...

Keywords: Subway train fire, Smoke spread, FDS, Smoke barrier, Life safety.

Investigation of the Current Energy Sector in Jordan: Energy Strategy, Resources and Regulatory Framework

IJTEE, volume-12 , Issue 2 (2017), PP 89 - 93

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.002

by Ahmed Al-Salaymeh, Heba AlZaben, and Nadeen Habash from Mechanical Engineering Department, Faculty of Engineering & Technology, University of Jordan, Amman 11924, Jordan

Abstract: Due to the increase in demand for energy resources and the effect of the ongoing events in the region of Jordan. The energy resources are decreasing o read more...

Keywords: Energy resources. Renewable energy. Energy sector. Energy policy

Performance Study of a Domestic Boiler Fueled By Biodiesel Produced From Rapeseed

IJTEE, volume-12 , Issue 2 (2017), PP 85 - 88

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.02.001

by Mohammad A. Hamdan and Derar A. Almomani from Faculty of Engineering and Technology, The University of Jordan, Jordan

Abstract: A domestic boiler was used in this work to compare its performance when it is powered by diesel fuel and biodiesel fuel that is produced from rapeseed read more...

Keywords: Boiler, Biodiesel, Rapeseed

A Stable DC Power Supply for Photovoltaic Systems

IJTEE, volume-12 , Issue 1 (2017), PP 67 - 71

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.009

by Hussain A. Attia, Beza Negash Getu, and Nasser A. Hamad from Department of Electrical, Electronics and Communications Engineering, American University of Ras Al Khaimah, Ras Al Khaimah, UAE

Abstract: The use of solar energy as a source of power is becoming not a choice but a necessity due to the unprecedented growth in the demand and consumption of read more...

Keywords: PV System, Voltage Variation, Sensing & Protection Circuit, Op-Amp, Zener Diode, DC Supply

Utilizing Reclaimed Asphalt Pavement (RAP) Materials in New Pavements - A Review

IJTEE, volume-12 , Issue 1 (2017), PP 61 - 66

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.008

by Ahmad M. Abu Abdo from Department of Civil & Infrastructure Engineering, American University of Ras Al Khaimah, Ras Al Khaimah, UAE

Abstract: Recently, prices of asphalt pavement materials have been increasing tremendously, which led to attempts to find alternative cheap materials. In additi read more...

Keywords: Asphalt Pavements, Reclaimed Asphalt Pavement, Recycling, Rutting, Fatigue Cracking, Thermal Cracking

Waste Heat Recovery from Gas Turbine Flue Gases for Power Generation Enhancement in a Process Plant

IJTEE, volume-12 , Issue 1 (2017), PP 53 - 60

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.007

by Valerie Eveloy, Peter Rodgers, Adesola Olufade, Yuyao Wang, and Ali Al Alili from Department of Mechanical Engineering, the Petroleum Institute, Abu Dhabi, United Arab Emirates

Abstract: To improve on-site power generation capacity and efficiency in process facilities, the thermal coupling of an industrial gas turbine cycle with a bott read more...

Keywords: Organic Rankine Cycle, ORC, Waste Heat, Industrial, Gas Turbine, Exergy

Performance Analysis of a New Waste Heat Recovery System

IJTEE, volume-12 , Issue 1 (2017), PP 47 - 52

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.006

by Saed A. Musmar, Nasim Razavinia, Frank Mucciard, Iskander Tlili from Department of Industrial Engineering, Faculty of Engineering and Technology, University of Jordan, Amman, Jordan Materials and Metallurgical Department, McGill University, Montreal, Canada Mechanical Engineering Department, Engineering College, Majmaah University. Kingdom of Saudi Arabia

Abstract: The overall theme of this research is to capture, concentrate and convert some of the waste heat generated at industrial plants to a valuable form of read more...

Keywords: Waste heat recovery, Latent heat, Heat pipe, Vortex promoters, thermal conveying

Finite Element Analysis with COMSOL Code for Air Flow and Thermal Convection in Sealed Attic Spaces with Experimental Validation

IJTEE, volume-12 , Issue 1 (2017), PP 39 - 46

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.005

by Antonio Campo, and Jaime Sieres from Department of Environmental Engineering, Faculty of Engineering, University of Vermont, Burlington, VT 05405, USA Área de Máquinas y Motores Térmicos, Escuela de Ingeniería Industrial, Universidad de Vigo, Campus Universitario Lagoas-Marcosende, 36310 Vigo, Spain

Abstract: The scope of the present paper is concerned with the numerical prediction of the confined airflow characteristics and thermal convection patterns in s read more...

Keywords: Sealed Attics of Houses And Buildings, Circulatory Air Flow, Thermal Convection, Finite Element Analysis, COMSOL Code, Experimental Measurements)

Cooling a Solid Disc with Uniform Heat Generation Using Inserts of High Thermal Conductivity within the Constructal Design Platform

IJTEE, volume-12 , Issue 1 (2017), PP 15 - 26

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.003

by F. Sharfi, R. M. Salimpuor, and A. Campo from Department of Mechanical Engineering, Ishafan University of Technology, Ishafan, Iran Department of Mechanical Engineering, The University of Vermont, Burlington, VT 05405, USA

Abstract: In the present study, the problem of cooling a solid disc by way of placing inserts with high thermal conductivity was examined analytically and numer read more...

Keywords: Cooling, Solid Disc, Uniform Heat Generation, Incomplete Inserts, High Thermal Conductivity, Constructal Theory.

Experimental Determination of the Global Mass Transfer Coefficients of the Tropical Woods in order to Deduce the Drying Curves at the Lower Temperature

IJTEE, volume-12 , Issue 1 (2017), PP 9 - 14

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.002

by Merlin Simo-Tagne, Louis Monkam, Romain Rémond, André Zoulalian, Yann Rogaume, Beguidé Bonoma from University of Yaoundé I, Higher Teacher Training College, Applied Physic Laboratory, PO Box 47, Yaoundé, Cameroon Douala Institute of Technology (DIT), PO Box 1623, Douala, Cameroon University of Douala , Energy Laboratory of the Doctorate School of Physics and Engineering Sciences, PO Box 8698, Douala, Cameroon University of Lorraine, LERMAB, ENSTIB, 27 rue Philippe Séguin, PO Box 1041, F-88051 Epinal, France University of Lorraine, LERMAB, Faculty of Sciences and Technologies - Aiguillettes Campus- PO Box 70239 - 54506 Vandoeuvre les Nancy Cedex, Nancy, France

Abstract: We determine the global mass transfer coefficients of five tropical woods (obeche, iroko, loofa, Sapele, and freak) coming from Cameroon. In this effe read more...

Keywords: Global mass transfer coefficients, Drying kinetics, Tropical woods, Conventional dryer, Solar dryer, Experiment, Modeling, Cameroon.

Building Eco-Cities of the Future: The Example of Masdar City

IJTEE, volume-12 , Issue 1 (2017), PP 1 - 8

Published: 19 Dec 2017

DOI: 10.5383/ijtee.12.01.001

by T. Mezher, G. Dawelbait, I, Tsai, N. Al-Hosany from Masdar Institute of Science and Technology, iSmart Center, Abu Dhabi, UAE Masdar Company, Abu Dhabi, UAE

Abstract: Global warming and increased population growth are putting more pressure on policy decision-makers to adopt more sustainable approaches to planning an read more...

Keywords: Eco-City, Masdar, sustainable Abu Dhabi