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ISSN:    frecuency : 4   format : Electrónica

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Volume 18 Number 2 Year 1953

12 articles in this issue 

Kitipong Kangvanskol, Chittin Tangthieng

The iron and steel industry is one of the major industries for developing countries, and it is ranked as one of the industrial sectors that has the highest energy consumption. It is also served as a primary industry that provides materials to secondary in... see more

Pags. 1 - 12  

Trizit Benjaboonyazit

This paper presents a systematic approach to arowana gender identification problem using algorithm of inventive problem solving (ARIZ). Arowana is a beautiful and expensive fish. Many farms try to improve their efficiency in breeding arowana, but the prob... see more

Pags. 13 - 28  

Zahrul Mufrodi, Rochmadi Rochmadi, Sutijan Sutijan, Arief Budiman

Biodiesel production from vegetable oil produces glycerol as by-product with the amount of about 10 wt% of its product. This excessive amount of glycerol needs to be converted into the higher valuable product. One of the prospective glycerol's derivatives... see more

Pags. 29 - 40  

Nesrine Hatraf, Foued Chabane, Abdelhafid Brima, Noureddine Moummi, Abdelhafid Moummi

Geothermal energy uses an air ground exchanger to cool buildings with minimum of energy. The outlet air coming from this exchanger can be directly used for space cooling if its temperature is low enough. In this study we try to evaluate the profile of gro... see more

Pags. 41 - 54  

Taninrat Vittayakaisin, Chittin Tangthieng

This paper presents an investigation on the thermal characteristics of a single-effect absorption chiller subjected to the input steam fluctuation for an air-conditioning purpose. The absorption chiller driven by waste steam is utilized with the total cap... see more

Pags. 55 - 66  

Yas A. Alsultannty, Nayef N. Al-Shammari

Technologies life cycles became shorter than before as a result of globalization and open market, which derived organizations to update their dated technologies. Without technologies updating, which based on Technological Forecasting (TF), organizations c... see more

Pags. 67 - 80  

Achour Rahal, Said Benramache, Boubaker Benhaoua

The transparent conducting ZnO thin films were deposited on glass substrate by ultrasonic spray technique. The optical, electrical and structural properties of the ZnO thin films were studied as a function of the substrate temperatures in the range of 300... see more

Pags. 81 - 88  

Adtha Lawanna

One of the existing problems in the body knowledge of software engineering is inappropriate numbers of programmers working through the software-development life cycle, particularly in the process of coding, testing, and maintenance. If the numbers are lar... see more

Pags. 89 - 100  

Elham Hezare, Mohammad Ataei, Mehrdad Jafarboland

This paper presents the idea of vector control for permanent magnet synchronous motor (PMSM) based on chaos theorem, using chaos controller. PMSM will demonstrate chaotic phenomena when its parameters fall into a certain area. To achieve this aim, the sub... see more

Pags. 101 - 118  

C. L. Woo, H. S. Yeoh, S. K. Go, Gun Hean Chong

Non-thermal drying, such as dehumidified-air drying has been introduced to overcome the drawbacks of conventional thermal and direct contact adsorption drying. However, existing approach of this method is not so user friendly as the dehumidified-air canno... see more

Pags. 119 - 126  

Abibasheer Basheerudeen, Sivakumar Anandan

Self Compacting Concrete (SCC) is a tailored concrete mix, strongly dependent on the constituent proportions and the physical characteristics of the constituents. In order to achieve the self compacting concrete, mortar phase plays a vital role as it cont... see more

Pags. 127 - 140