Latest Articles

Numerical Simulation of Low Energy Direct Contact Membrane Distillation

IJTEE, volume-07 , Issue 2 (2014), PP 133 - 138

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.010

by Isam Janajreha, Dana Suwwana, Hassan Fath from Mechanical Engineering Program, Masdar Institute of Science& Technology, Abu Dhabi, UAE, Environmental Engineering, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt

Abstract: Computational Fluid Dynamics (CFD) is used to study the steady state performance of Low Energy Direct Contact Membrane Distillation (DCMD). Two-dimens read more...

Keywords: Desalination, Direct Contact Membrane Distillation, Mass Transfer, Heat Transfer, Temperature Polarization

Polar Auxin Transport: Understanding the Effects of Temperature and Precipitation on Polar Auxin Transport in Polytrichum Ohioense Could Develop a Moss into a Climate Change Bioindicator

IJTEE, volume-07 , Issue 2 (2014), PP 125 - 131

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.009

by Dorothy Belle Poli, Bryan T. Piatkowski, Geoffrey A. Bader, Jessica N. Branning, Laura E. Kellam from Roanoke College, Salem, Virginia, 24153, USA

Abstract: In an attempt to better understand polar auxin transport in the sporophytes of Polytrichum ohioense, a 5.3 fold increase in basipetal and acropetal tr read more...

Keywords: Polar auxin transport, Bryophytes, Polytrichum ohioense, climate change, monitoring

Toward Building a National Innovation System in UAE

IJTEE, volume-07 , Issue 2 (2014), PP 109 - 124

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.008

by Yousif Al-Abd, Toufic Mezher from Masdar Institute of Science and Technology, Abu Dhabi, UAE

Abstract: United Arab Emirates (UAE) is one of the developing countries that depend on hydrocarbon products in supporting its economy, where oil activities coun read more...

Keywords: Innovation, Networks, Technology, Knowledge, R&D, Institutions, Universities, Engineering

Analysis of a modular high efficiency Polygeneration System in a Science and Technological Park

IJTEE, volume-07 , Issue 2 (2014), PP 101 - 107

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.007

by Jordi Ortiga, Joan Carles Bruno and Alberto Coronas from Universitat Rovira i Virgili, CREVER-Group of Applied Thermal Engineering, Tarragona, Spain, 43007

Abstract: Polygeneration systems refers to highly efficiency integrated systems characterized by the simultaneously production of different services (electricit read more...

Keywords: polygeneration, trigeneration, modular design, high efficiency, district heating and cooling

Utilization of Water Produced Hydrogen for Domestic Heating Purposes

IJTEE, volume-07 , Issue 2 (2014), PP 95 - 99

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.006

by T. Tabazah, M. A. Hamdan, O. Abo Deyab and E. Abdelhafez from Department of Mechanical Engineering, Al-Zaytoonah University of Jordan, Amman, 11733 Department of Mechanical Engineering, University of Jordan, Amman, Jordan, 11942

Abstract: In this work an electrolyzer is used to produce Brown gas (HHO) from water by supplying a DC electrical power to it. the produced HHO was fed directly read more...

Keywords: Brown gas, Hydrogen,Domestic heating, Water electrolysis

Modeling Triple Solar Still Production Using Jordan Weather Data and Artificial Neural Networks

IJTEE, volume-07 , Issue 2 (2014), PP 87 - 93

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.005

by Mohammad Hamdan, Lubna Badri and Eman Abdelhafez from Department of Mechanical Engineering, Al-Zaytoonah University of Jordan, Amman, Jordan Department of Computer and Communication Engineering, Al-Zaytoonah University of Jordan, Amman, Jordan

Abstract: The objective of the study was to assess the sensitivity of the Artificial Mural Networks (ANN) predictions to different combinations of input paramet read more...

Keywords: Artificial Neural Network, sensitivity test, Feed forward, Solar Still

Technology Platform ENERBAT-Gas Cogeneration, Solar Heating and Cooling

IJTEE, volume-07 , Issue 2 (2014), PP 79 - 85

Published: 16 Jun 2014

DOI: 10.5383/ijtee.07.02.004

by R. Benelmir, N. Ghilen, M. El Ganaoui, D. Descieux and S. Gabsi from Faculty of Sciences and Technology Lab. LERMAB (UdL/INRA/Labex ARBRE) University of Lorraine, France

Abstract: Energy cogeneration is a way to improve global efficiency of energy production systems since it consumes a unique resource in order to supply heat and read more...

Keywords: tri-generation, solar cooling, adsorption machine

Environmental Externalities from Electric Power Generation: The Case of RCREEE Member States

IJTEE, volume-07 , Issue 2 (2014), PP 73 - 78

Published: 13 Jun 2014

DOI: 10.5383/ijtee.04.02.00373

by Rana El-Guindy, Maged K. Mahmoud from Regional Center for Renewable Energy and Energy Efficiency, Cairo, Egypt

Abstract: Most of the Arab countries energy systems are currently characterized at the same time by an increasing growth in electricity demand coupled with a hi read more...

Keywords: Externalities, electricity generation, fossil fuel, renewable energy

Solar Assisted Gasification of Solid Feedstock: Optical Arrangement and Numerical Simulation

IJTEE, volume-07 , Issue 2 (2014), PP 65 - 72

Published: 13 Jun 2014

DOI: 10.5383/ijtee.07.02.002

by Syed Shabbar Raza, Isam Janajreh from Masdar Institute of Science and Technology, Abu Dhabi, UAE

Abstract: Gasification is a high temperature thermo-chemical pathway that is used to convert a solid fuel/feedstock into combustible syngas (CO and H2) and chem read more...

Keywords: solar assisted gasification, cassegrain configuration, solar to chemical

Energy-Water-Carbon Interconnection: Challenges and Sustainable Solutions Methods and Strategies

IJTEE, volume-07 , Issue 2 (2014), PP 57 - 64

Published: 13 Jun 2014

DOI: 10.5383/ijtee.04.02.001

by Chaouki Ghenai from Ocean and Mechanical Engineering Department, College of Engineering and Computer Science, Florida Atlantic University, 777 Glades Road, 36-177, Boca Raton, Florida, 33431 U.S.A.

Abstract: This paper presents information on the interconnections or linkages between the energy, water and carbon foot prints. The concerns, issues and challen read more...

Keywords: Water-Energy-Carbon Nexus, MENA Countries, Water for Energy, Energy for Water, Sustainable Solutions and Strategies, Renewable Energy, Energy Efficiency, Water Management, Climate Change

Special Issue Devoted to Selected Papers from the Eleventh Arab Academy of Sciences International Conference on "Water-Energy Nexus and Waste Water Treatment for a Sustainable Arab World"

IJTEE, volume-07 , Issue 2 (2014), PP 55 - 56

Published: 30 Sep 2014

DOI: 10.5383/ijtee.07.02.000

by Isam Janajreh from Mechanical and Materials Engineering Dept., Masdar Institute of Science and Technology, Abu Dhabi, UAE

Abstract: This is the 11th annual Meeting of the Arab Academy of Sciences. It was attended by experts in the areas of renewable energy, water treatment, as well read more...

Keywords: Water Treatment, geothermal energy, Smart Grids

Heat Transfer Enhancement by Using Porous Heat Exchangers

IJTEE, volume-07 , Issue 1 (2014), PP 51 - 54

Published: 15 Jul 2014

DOI: 10.5383/ijtee.07.01.007

by Mohammadreza Azimi, Mojtaba Aghajani Delavar from Faculty of Engineering, Aerospace Group, Tarbiat Modares University, Tehran, Iran, 14115-111 Department of Mechanical Engineering, Babol University of Technology, Babol, Iran, 47148-71167

Abstract: Effective heat transfer is essential in a variety of energy technologies in order to enable the maximum possible power density and power conversion ef read more...

Keywords: Heat transfer enhancement, Porous heat exchanger, Porous material, Heat exchanger.

Reduction a Particulate Matter of Diesel Emission by the Use of Several Oxygenated Diesel Blend Fuels

IJTEE, volume-07 , Issue 1 (2014), PP 45 - 50

Published: 16 Apr 2014

DOI: 10.5383/ijtee.07.01.006

by Ali Alahmer from Department of Mechanical Engineering, Tafila Technical University, Tafila, Jordan, P. O. Box 179, 66110

Abstract: Oxygenated diesel fuel blends have a prospective effectiveness to reduce a particulate matter (PM) emissions and powerfully to be an effective alterna read more...

Keywords: Diesel, emission, oxygenated additive, particulate matter, ethanol, Glyme, Diglyme

Towards a Clean and Sustainable Distributed Energy: The Potential of Integrated PEMFC-CHP

IJTEE, volume-07 , Issue 1 (2014), PP 33 - 44

Published: 15 Apr 2014

DOI: 10.5383/ijtee.07.01.005

by I. Aleknaviciute, T. G. Karayiannis, M. W. Collins and C. Xanthos from School of Engineering and Design, Brunel University, London, Uxbridge, Middlesex, UB8 3PH, UK

Abstract: The use of fossil fuels within the current infrastructure for domestic energy supply is one of the main causes of anthropogenic emissions. The mitigat read more...

Keywords: Clean energy, Hydrogen generation, Cold plasma jet

Analysis of Ocean Thermal Energy Conversion Power Plant using Isobutane as the Working Fluid

IJTEE, volume-07 , Issue 1 (2014), PP 25 - 32

Published: 12 Aug 2014

DOI: 10.5383/ijtee.07.01.004

by A. Alkhalidi, M. Qandil, H. Qandil from Department of Energy Engineering, German Jordanian University, Amman, 11180 Jordan, Mechanical Engineering Department, Hashemite University, Zarqa, Jordan, Field Engineer at Schlumberger, Mumbai, India

Abstract: The use of organic isobutane will be investigated for a closed-cycle Ocean Thermal Energy Conversion (OTEC) onshore plant that delivers 110 MW electri read more...

Keywords: Ocean Thermal Engineering Conversion (OTEC), isobutene, thermal plant, energy convergence.

Portable Solar Charger with Controlled Charging Current for Mobile Phone Devices

IJTEE, volume-07 , Issue 1 (2014), PP 17 - 24

Published: 15 Apr 2014

DOI: 10.5383/ijtee.07.01.003

by Hussain A. Attia, Beza Negash Getu, Hasan Ghadban, Ahmed K. Abu Mustafa from Electronics and Communications Engineering Department, American University of Ras Al Khaimah, UAE

Abstract: In this paper, we design, construct as well as test and analyze an electronic circuit that can be used as a solar portable charger for mobile phone de read more...

Keywords: Solar power, photovoltaic, solar panel, mobile phone, portable charger, mobile battery, charging current

Heat Transfer Enhancement of Forced Convection in Horizontal Channel with Heated Block due to Oscillation of Incoming Flow

IJTEE, volume-07 , Issue 1 (2014), PP 11 - 16

Published: 15 Apr 2014

DOI: 10.5383/ijtee.07.01.002

by Abdelouahab Bouttout, Smail Benissaad, Farid Berrahil from Laboratoire d’Energétique Appliquée et de Pollution, Département de Génie Mécanique, Université Mentouri Constantine, Route d’Ain El. Bey, Constantine 25000, Algérie, Algeria

Abstract: The study in question consists to amplify the hydrodynamic and thermal instabilities by imposed pulsation during forced convection of air cooling of n read more...

Keywords: Hydrodynamic, Convective Heat Transfer, Oscillation in Fluid Flow

Electronically Controlled Expansion Valve for Use in a Geothermal Heat Pump System

IJTEE, volume-07 , Issue 1 (2014), PP 1 - 10

Published: 01 Jul 2014

DOI: 10.5383/ijtee.07.01.001

by H. I. Abu-Mulaweh, D. W. Mueller, H. Oloomi from Department of Mechanical Engineering, Purdue University at Fort Wayne, IN, 46805, USA b Department of Electrical Engineering, Purdue University at Fort Wayne, IN, 46805, USA

Abstract: This paper presents a detailed design of a development control board that can control an electronic expansion valve in a geothermal heat pump. The des read more...

Keywords: Expansion valve, Geothermal, Electronic control, Heat pump