Latest Articles

The Role of Mathematical Modeling in Understanding the Groundwater Pollution

IJTEE, volume-04 , Issue 2 (2012), PP 171 - 176

Published: 20 Apr 2012

DOI: 10.5383/ijtee.04.02.008

by Fathi M Allan, Emad Elnajjar from Department of Mathematical Sciences, UAEU, AL AIN, UAEU, Department of Mechanical engineering, UAEU, AL AIN, UAEU

Abstract: To understand the process of groundwater contamination diffusion and spreading, mathematical model is usually used. In the present study, a mathematic read more...

Keywords: Mathematical modeling, underground water pollution, transport equation

Energy Tri-Generation: Combined Gas Cogeneration/Solar Cooling

IJTEE, volume-04 , Issue 2 (2012), PP 157 - 163

Published: 20 Apr 2012

DOI: 10.5383/ijtee.04.02.006

by R. Benelmir, A. Merabtine, D. Descieux from Lorraine Univ. – Fac. Sc. Tech. - LERMAB, Vandoeuvre-les-Nancy, France

Abstract: The article presents an analysis of a tri-generation system using a solar energy as primary energy to provide a reliable alternative to minimize energ read more...

Keywords: Lorraine Univ. – Fac. Sc. Tech. - LERMAB, Vandoeuvre-les-Nancy, France

Modeling Tool for Air Stripping and Carbon Adsorbers to Remove Trace Organic Contaminants

IJTEE, volume-04 , Issue 1 (2012), PP 99 - 106

Published: 19 Jul 2012

DOI: 10.5383/ijtee.04.01.014

by Khaldoon Mourada, Ronny Berndtsson, Wail Abu-El-Sha'r, Abdalla M Qudah from Lund University, Lund, Sweden, 22100, Jordan University of Science and Technology, Irbid, 22110, Jordan

Abstract: Removal of trace organic contaminants from aqueous solutions by air strippers (AS) and fixed bed carbon adsorber (FBCA) has been studied. A trace orga read more...

Keywords: Modeling, Air Stripper, Fixed Bed Adsorber, Trace Organics, Packing Materials

Computational Investigation of Flow and Heat Transfer in a Rectangular Duct with Ribs Mounted in a Staggered Arrangement

IJTEE, volume-04 , Issue 1 (2012), PP 81 - 88

Published: 19 Jul 2012

DOI: 10.5383/ijtee.04.01.012

by M. Alhajeri from Mechanical P& R Engineering Department, Faculty of Technological Studies, PAAET, Kuwait

Abstract: Fluid Flow and heat transfer results are presented from a ribbed U-tube, which models passages used to cool the blades in gas turbine engines. Computa read more...

Keywords: Turbine blade cooling, CFD, Rib

A Study on Modification of Knowledge, Attitude and Practice on Vocational High School Electronics Courses Integrated with Nanotechnology Concept

IJTEE, volume-04 , Issue 1 (2012), PP 73 - 79

Published: 19 Jul 2012

DOI: 10.5383/ijtee.04.01.011

by Dai Chien-Yun, Chen Wan-Fei, Yuan Yu-Hsi, Yen Chia-Hung from Department of Industrial Education, National Taiwan Normal University, Taipei, Taiwan, 106

Abstract: The purpose of this study is trying to explore the discrepancy of knowledge (K), attitude (A), and practice (P) before and after the experimental teac read more...

Keywords: nanotechnology, KAP, vocational high schools electronics courses

Effect of Various Amendments on the Solids Properties and Gas Production of Biosolids

IJTEE, volume-04 , Issue 1 (2012), PP 67 - 72

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.010

by Ayesha Alam Khurram from University of Auckland, New Zealand

Abstract: Four additives namely iron slag (IS), works debris (WD), fly ash (FA), and lime kiln dust (LKD) are added to biosolids and their effects are investiga read more...

Keywords: biosolids, fly ash, gas analysis, biochemical activity.

Fuzzy Implementation for Predicting and Monitoring the Conditions of Transducers for Gas Turbine Cycle

IJTEE, volume-04 , Issue 1 (2012), PP 61 - 66

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.009

by Rustom Mamlook , Omar Badran, Emad Abdulhadi from College of Computer Engineering and Sciences, Al-Kharj University - Saudi Arabia, Mechatronics Engineering Dept, Al-Balqa Applied University, Faculty of Engineering Technology, Amman, Jordan

Abstract: This paper presents a fuzzy logic methodology for predicting the most important parameters that influence the efficiency cycle of the gas turbine and read more...

Keywords: Fuzzy sets methodology, Turbine fault, Control technology, Sensor's condition, Gas turbine

Impulse Acousitic Enhancement of Flow Boiling in Micro Channels

IJTEE, volume-04 , Issue 1 (2012), PP 55 - 60

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.008

by Yasir M. Shariff from Mechanical Engineering Dept., College of Engineering, P.O. Box 1020, Taibah University, Madina, Saudi Arabia

Abstract: Measurements were done for the heat transfer coefficients h in forced convection refrigerant mixture (R-407C) flow within micro channels enhanced by i read more...

Keywords: Heat transfer, flow boiling, micro channelsx

Thermodynamics Equilibrium Analysis within the Entrained Flow Gasifier Environment

IJTEE, volume-04 , Issue 1 (2012), PP 47 - 54

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.007

by Shabbar Syed, Isam Janajreh, Chaouki Ghenai from Masdar Institute (MI), Abu Dhabi, 54224, United Arab Emirates, Florida Atlantic University, Boca Raton, FL 33431, USA

Abstract: A thermodynamic equilibrium approach is used to calculate the maximum cold gasification efficiency (CGE) of different feedstock within the entrained f read more...

Keywords: Thermodynamics equilibrium, entrain flow gasifier, cold gasification efficiency

Modeling and Simulation of Desiccant Operated Humidity Pump (DOHP)

IJTEE, volume-04 , Issue 1 (2012), PP 39 - 46

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.006

by A. M. Hamed, A. S. Alosaimy from Mechanical Power Department, Faculty of Engineering, Mansoura University, Mechanical Engineering Department, Faculty of Engineering, Taif University, Saudi Arabi

Abstract: In the present work, novel configuration of rotating desiccant wheel using calcium chloride as the working desiccant is presented. The proposed system read more...

Keywords: Desiccant, humidification, absorption, air conditioning, Calcium chloride, humidity pump

Novel Anode Materials for Oxygen Evolution during Seawater Electrolysis for Green Hydrogen Fuel Production

IJTEE, volume-04 , Issue 1 (2012), PP 33 - 38

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.005

by A. A. El-Moneim from Materials Science and Engineering Department, Egypt-Japan University of Science and Technology, P.O. Box 179, New Borg El-Arab City, Alexandria, Egypt

Abstract: Mn1-x-yMoxWyO2+x+y triple oxide electrocatalysts for the anode producing oxygen without forming chlorine in seawater electrolysis were prepared by ano read more...

Keywords: Anode, oxygen evolution efficiency, durability, polarization, SEM

Cassava as a Potent Energy Crop for the Production of Ethanol and Methane in Tropical Countries

IJTEE, volume-04 , Issue 1 (2012), PP 25 - 32

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.004

by B. A. Adelekan from Federal College of Agriculture, Institute of Agricultural Research & Training (IAR&T), PMB 5029, Moor Plantation, Ibadan, Nigeria

Abstract: The ethanol productivity of cassava crop (variety TMS 30555) and the methane productivity of its waste product (peels) mixed with livestock wastes wer read more...

Keywords: Cassava, Cassava peels, Ethanol, Methane, Cattle waste, Poultry waste, Piggery waste.

DTM- Padé Modeling of Natural Convective Boundary Layer Flow of a Nanofluid Past a Vertical Surface

IJTEE, volume-04 , Issue 1 (2012), PP 13 - 24

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.003

by M.M. Rashidi , O. Anwar Bég, M. Asadi, M.T. Rastegari from Mechanical Engineering Department, Engineering Faculty of Bu-Ali Sina University, Hamedan, Iran, Aerospace Engineering, Department of Engineering and Mathematics, Sheaf Building, Sheaf Street, Sheffield Hallam, University, Sheffield, S11WB, England

Abstract: In this paper, we study theoretically the natural convective boundary-layer flow of a nanofluid past a vertical plate. The model used for the nanoflui read more...

Keywords: Nanofluid, thermal convection, boundary layers, DTM-Padé solutions, Brownian motion, Lewis number, thermophoresis, convergence, heat transfer enhancement

Effect of Nozzle Spacing on Heat Transfer and Fluid Flow Characteristics of an Impinging Circular Jet in Cooling of Electronic Components

IJTEE, volume-04 , Issue 1 (2012), PP 7 - 12

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.002

by M. Anwarullah , V. Vasudeva Rao, K.V. Sharma from Department of Mechanical Engineering, Mehdipatnam, Hyderabad-500028, (Andhra Pradesh), India, Department of Mechanical Engineering, SNIST, Hyderabad. India, Centre for Energy Studies, JNTU College of Engineering, Hyderabad. India

Abstract: An experimental investigation is conducted to study the effect of nozzle-to-surface spacing of the electronic components and Reynolds number on the he read more...

Keywords: Heat transfer coefficient, Air jet impingement, Circular jet nozzle, Local Nusselt number, Electronic cooling

Development of an Experimental Apparatus for Demonstrating Vapour Compression Refrigeration System

IJTEE, volume-04 , Issue 1 (2012), PP 1 - 6

Published: 31 May 2012

DOI: 10.5383/ijtee.04.01.001

by B.O. Bolaji , T.O. Falade from Department of Mechanical Engineering, University of Agriculture, P.M.B. 2240, Abeokuta, Nigeria, Department of Mechanical Engineering, Federal Polytechnic, P.M.B. 5351, Ado-Ekiti, Nigeria

Abstract: This paper presents the design, construction and performance testing of a refrigeration system for use as experimental apparatus for demonstrating vap read more...

Keywords: apparatus, experimental, refrigeration system, thermodynamics, refrigerant