Latest Articles

Some Aspects of the Rheological Behaviour of Coal Water Slurries

IJTEE, volume-08 , Issue 2 (2014), PP 103 - 107

Published: 20 Nov 2014

DOI: 10.5383/ijtee.08.02.006

by Sunita Panda, R.K. Swain from Sunita Panda, R.K. Swain

Abstract: Initially coal-slurry fuels were based on coal-oil mixtures. Now the emphasis is largely on coal-water fuels. Since most of the studies have been done read more...

Keywords: Oil agglomeration, froth flotation, apparent viscosity, HAAKE rotational viscometer

Application of Taguchi’s Methods for Optimizing Organic Rankine Cycle for Recovering Low Grade Industrial Waste Heat

IJTEE, volume-08 , Issue 2 (2014), PP 91 - 101

Published: 20 Nov 2014

DOI: 10.5383/ijtee.08.02.005

by Umesh Kumar, Munawar N. Karimi from Jamia millia Islamia, New Delhi, India, 110025

Abstract: This research attempts the optimization of Organic Rankine Cycle (ORC) by Taguchi’s robust design methods for generating electricity from industrial read more...

Keywords: Electricity generation; Waste heat recovery; Optimization; Taguchi's method; Organic Rankine cycle; ANOVA

Modeling and Simulation of the Drying of Beech Timber (Fagus sylvatica) Using Oscillating Regimes

IJTEE, volume-08 , Issue 2 (2014), PP 83 - 90

Published: 20 Nov 2014

DOI: 10.5383/ijtee.08.02.004

by Merlin Simo Tagne, Yann Rogaume, André Zoulalian from Douala Higher Institute of Technology (DIT), Douala, Cameroon, PO Box 1623 b University of Lorraine, LERMaB, ENSTIB, Epinal, France, PO Box 1041, 88051 Epinal cedex 9

Abstract: This paper represents a numerical study of the massive (60mm) and thin (38mm) wood drying using oscillating drying regimes applied on beech timber (Fa read more...

Keywords: Drying, Heat and Mass Transfer, Luikov’s Model, Simulation, Oscillating Regimes, Beech Wood.

Thermoeconomic Analysis of Multi-Stage Thermoelectric Cooler

IJTEE, volume-08 , Issue 2 (2014), PP 77 - 82

Published: 19 Nov 2014

DOI: 10.5383/ijtee.08.02.003

by Sudhanshu Sharma, V. K. Dwivedi, S. N. Pandit from Department of Mechanical Engineering, Mewar University, Chittorgarh, Rajasthan, India, 312901, Department of Mechanical Engineering, Galgotias College of Engineering & Technology, Uttarpradesh, India, 201306, Department of Mechanical Engineering, Noida Institute of Engineering & Technology, Uttarpradesh, India, 201310

Abstract: In this paper a two stage thermoelectric cooler which has total 50 elements out of which 30 elements are on hotter side and 20 elements are on colder read more...

Keywords: Thermoelectric cooler, Thermoeconomic, Exergy, COP, Rate of refrigeration, Second law efficiency

Crumb Rubber Effect on Acoustic Properties of Self- Consolidating Concrete

IJTEE, volume-08 , Issue 2 (2014), PP 69 - 76

Published: 19 Nov 2014

DOI: 10.5383/ijtee.08.02.002

by Malek Jedidi, Ali Boulila, Omrane Benjeddou, Chokri Souss from Institut Supérieur des Etudes Tecnologiques de Sfax, Département de Génie Civil, B.P.88, 3099 Sfax, Tunisia, Université de Tunis El Manar, Ecole Nationale d’ Ingénieurs de Tunis, Laboratoire de Génie Civil, B.P.37,Tunis Belvédère, 1002,Tunisia, Université de Sfax, Faculté des sciences de Sfax, Laboratoire de Géoressources, Matériaux, Environnement et Changement Globaux, B.P.1171 Sfax, Tunisia

Abstract: Several researches have been conducted to find a practical and environmentally sound solution of the problem of scrap tires. In this context, an exper read more...

Keywords: Crumb rubber, Self-consolidating concrete, Standardized level difference, Sound absorption, Noise reduction, Sound transmission class.

ENGREF-FCAP “Flying Wood’’ Method to Characterize Unknown Central Africa Tropical Woods Relative of Their Drying

IJTEE, volume-08 , Issue 2 (2014), PP 63 - 68

Published: 19 Nov 2014

DOI: 10.5383/ijtee.08.02.001

by Merlin Simo-Tagnea, Romain Rémond from Douala Higher Institute of Technology (DIT), Douala, PO Box 1623, Cameroon, University of Lorraine, LERMAB, ENSTIB, Epinal, PO Box 1041, F-88051 cedex 9, France

Abstract: When we want to opposite excessive exploitation of some species of wood in the tropics, it is important to characterize unknown woods with intention o read more...

Keywords: ENGREF FCAP ‘’flying wood’’ method- Tropical woods- Drying- Characterization- LERMAB

Development of a Simulation Program to Optimise Process Parameters of Steam Power Cycles

IJTEE, volume-08 , Issue 1 (2014), PP 55 - 61

Published: 27 Jul 2014

DOI: 10.5383/ijtee.08.01.007

by Harshal D Akolekar, P Srinivasan, Jagat Sesh Challa from Department of Mechanical Engineering, Birla Institute of Technology & Science, Pilani, India, 333031 Department of Computer Science & Information Systems, Birla Institute of Technology & Science, Pilani, India

Abstract: Conventional coal-based thermal power plants have an average overall efficiency in the range of 35-38 %. Any increase in the percent efficiency of the read more...

Keywords: Reheat cycle, Regenerative cycle, Process parameters, Optimisation, Efficiency, Power plant

Experimental Study and Performance Analysis of Ceramic Packing Cooling Tower Using Taguchi Method

IJTEE, volume-08 , Issue 1 (2014), PP 45 - 53

Published: 27 Jul 2014

DOI: 10.5383/ijtee.08.01.006

by Ramkumar Ramakrishnan, Ragupathy Arumugam from Department of Mechanical Engineering, Annamalai University, Annamalai Nagar-608002, Tamilnadu, India

Abstract: Deterioration of the packing material is a major problem in cooling tower. In this experimental study, ceramic tile is used as packing material. The e read more...

Keywords: optimization, Cooling tower, ceramic packing, performance, Taguchi Method, Regression

Numerical and Experimental Study of Flow Structure and Cooling Behavior of Air Impingement on a Target Plate

IJTEE, volume-08 , Issue 1 (2014), PP 33 - 43

Published: 26 Jul 2014

DOI: 10.5383/ijtee.08.01.005

by Adnan A. Abdul Rasool, Jirunthanin V., F. A. Hamad from Mech. Eng. Dept, college of Engineering, Al-Mustansiriya University, Baghdad, Iraq School of Science & Engineering, Teesside University, Middlesbrough, TS1 3BA, U

Abstract: Numerical and experimental study is carried out to investigate flow structure and heat transfer of air jet normally impinging on a flat plate. Three o read more...

Keywords: CFD simulation, Nusselt number, jet flow, Wall jet velocity

A Study of Spark Ignition Engine Fueled with Methanol and Ethanol Fuel Blends with Iso-Octane

IJTEE, volume-08 , Issue 1 (2014), PP 25 - 31

Published: 26 Jul 2014

DOI: 10.5383/ijtee.08.01.004

by Sandeep Kumar Kamboj, Munawar Nawab Karimi from Mechanical Engineering Department, Jamia Millia Islamia Jamia nagar, New Delhi 110025, India

Abstract: Alternative fuels are derived from resources other than petroleum. The benefit of these fuels is that they emit less air pollutant compare to gasoline read more...

Keywords: Thermal efficiency, volumetric efficiency, exhaust temperature, indicated power, bsfc, engine speed

Design and Simulation of a Solar Tracking System for Optimum Energy Absorption

IJTEE, volume-08 , Issue 1 (2014), PP 17 - 24

Published: 14 Jun 2014

DOI: 10.5383/ijtee.08.01.003

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

Abstract: Nowadays the importance and dependence on solar power source is remarkably increasing as there is a strong need to have clean, cheap and renewable ene read more...

Keywords: Solar energy, Light dependent resistor, maximum power point tracker, Op-Amp, CMOS, drive circuit, DC Motor

Numerical Study of Heat and Mass Transfer during the Thermal Drying of Tropical Woods

IJTEE, volume-08 , Issue 1 (2014), PP 9 - 15

Published: 08 Nov 2014

DOI: 10.5383/ijtee.08.01.002

by Merlin Simo Tagne from Douala Higher Institute of Technology, Douala, Cameroon, PO Box 1623

Abstract: A sector of utilization and transformation of wood give much money at the countries of the central Africa region. If we want to increase these advanta read more...

Keywords: Drying- Heat and Mass Transfer -Forced Convection-Modeling- Finite Difference-Mansonia Altissima

Effect of Rubber Aggregates on the Thermophysical Properties of Self-Consolidating Concrete

IJTEE, volume-08 , Issue 1 (2014), PP 1 - 7

Published: 14 Jun 2014

DOI: 10.5383/ijtee.08.01.001

by Malek Jedidi, Ahmed Gargouri, Atef Daoud from Department of Civil Engineering, Higher Institute of Technological Studies, B.P.88, 3099 Sfax, Tunisia, University of Tunis El Manar, National Engineering School of Tunis, Civil Engineering Laboratory, Tunis, Tunisia, University of Gabes, National Engineering School of Gabes, 6029 Tunisia

Abstract: In this work, our choice fell on the exploitation of rubber aggregates from used tires. In this context, an experimental study was conducted to provid read more...

Keywords: Rubber aggregates, Self-consolidating concrete, Thermal conductivity, Thermal diffusivity, Specific heat.