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ISSN:    frecuency : 4   format : Electrónica

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Volume 21 Number 3 Year 2017

21 articles in this issue 

Chathurani Moragaspitiya, Jay Rajapakse, Wijitha Senadeera, Imtiaj Ali

Wastewater treatment is the process of removing pollutants from liquid waste using physical, chemical and biological methods by converting it into an acceptable final effluent before discharging into a water body or reuse, and to safely dispose of solids ... see more

Pags. 1 - 22  

Nita Aryanti, Fathikatul K. Ika Sandria, Reza Harena Putriadi, Dyah Hesti Wardhani

Micellar-Enhanced Ultrafiltration Membrane (MEUF) is one of promising technology to separate low molecular weight substances such as dyes. The MEUF process involves a combination of ultrafiltration and surfactant at a concentration higher than surfactant’... see more

Pags. 23 - 35  

Nathasak Boonmee, Pongsak Pongsamana

The sugar industry is confronted with the problem of safe bagasse storage over extended periods. In term of fire safety, there have been many instances that the spontaneous ignition promotes ignition inside a large bagasse stockpile and eventually the spo... see more

Pags. 37 - 50  

Tirawat Boonyatee, Nattawut Hemathulin

Explosives are commonly used to generate strong impulsive waves for on-land petroleum exploration. For each exploration area in Thailand, a concessionaire shall submit an environmental impact assessment report that commits minimum distances, or setback di... see more

Pags. 51 - 62  

Pinitpon Pituya, Thavivongse Sriburi, Saowanee Wijitkosum

The biochar produced from the agricultural wastes was aimed to amend the extreme degraded soil. The properties of biochar prepared from Acacia wood and coconut shell were investigated by different pyrolysis conditions in order to identify the suitable ini... see more

Pags. 63 - 75  

Salamah Manundawee, Amornchai Arpornwichanop, Suttichai Assabumrungrat, Wisitsree Wiyaratn

A proposed two-dimensional model of the oxidative coupling of methane (OCM) to C2 hydrocarbons (e.g., C2H4 and C2H6) in a fixed bed reactor operated under isothermal and non-isothermal conditions is described which can provide more accurate predictions of... see more

Pags. 77 - 99  

Katanchalee Phadunghus, Aunnop Wongrueng, Pharkphum Rakruam, Suraphong Wattanachira, Patiparn Punyapalakul

The efficiencies of nanofiltration (NF) and reverse osmosis (RO) membranes in removing carbamazepine (CBZ) and sulfamethoxazole (SMX) were studied. To do this, the NF and RO membranes NF-1 and RO-1 were used, and the isoelectric points of the NF-1 and RO-... see more

Pags. 101 - 112  

Zhipeng Shi, Gen-guang Zhang, Guo-liang Pei, Guo-yun Zhang

In this study, floc characteristics such as fractal dimension and settling velocity were investigated through a flocculantion process with a polyacrylamide (PAM) flocculant over a range of suspended particle concentrations, suspension type and flocculant ... see more

Pags. 113 - 122  

Suched Likitlersuang, Akihiro Takahashi, Kreng Hav Eab

This paper presents the results of geotechnical centrifuge and numerical modeling study of root-reinforced systems on soil slopes. The centrifuge models were designed to simulate a soil slope reinforced by vetiver grass root system commonly grows in South... see more

Pags. 123 - 132  

Tanakan Chua, Punnamee Sachakamol, Kongkiti Phusavat

Demolished concrete is found a lot.In developed countries, there is a clever method to dispose such demolished concrete by recycling to get a near quality as natural aggregate in order to reduce natural resources and help concrete waste disposal which is ... see more

Pags. 133 - 155  

Arosha Dabarera, Warangkana Saengsoy, Krittiya Kaewmanee, Kanako Mori, Somnuk Tangtermsirikul

Predicting adiabatic temperature rise is essentially useful for investigating thermal cracking potential especially in early stage of mass concrete.  Existing prediction methods and models have some problems such as constant thermal properties are mo... see more

Pags. 157 - 171  

Anwar Ilmar Ramadhan, Aryadi Suwono, Efrizon Umar, Nathanael Panagung Tandian

The nuclear reactor has two types of power reactors based on the function that is used as electrical energy and research reactors and radioisotope used as a producer of nuclear science and technology research. Indonesia has three research reactors are two... see more

Pags. 173 - 181  

Ikram E. Khuda

Microwave ultra-wide band UWB imaging system is a contemporary biomedical imaging technology for early detection of breast cancers. This imaging system requires the development of breast phantoms for experimental data analysis. In order to obtain realisti... see more

Pags. 183 - 206  

Chakrit Suvanjumrat

The open source code software, OpenFOAM, was applied for simulating flow past NACA0015 airfoil. Three economical turbulence models for aerospace applications were selected comprising Spalart-Allmaras model, Wilcox  model and Menter SST  model, r... see more

Pags. 207 - 221  

Gridsada Phanomchoeng, Ratchatin Chanchareon

XY gantry systems play an important role in many applications in diverse industries, where they are used to position a part or tool along the xy plane within the working area of the system. The increased demand for enhanced performance and low cost of XY ... see more

Pags. 223 - 234  

Pannipha Dokmaingam, Sureewan Areesinpitak, Navadol Laosiripojana

It is known that the heating rate during starting-up of Solid Oxide Fuel Cell (SOFC) plays an important role of system performance and lifetime. In the present work, an axial 2-D tubular Indirect Internal Reforming SOFC (IIR-SOFC) model fueled by methane,... see more

Pags. 235 - 249  

Potnuru Govinda Rao, P. Srinivasa Rao, B. B. V. L. Deepak

Welding is the process of producing permanent joints with the application of pressure and/or heat energy. During welding operation, weldments may be subjected to uneven thermal stresses. These stresses influence the metallurgical structure of the componen... see more

Pags. 251 - 267  

Sattarpoom Thaiparnit, Mahasak Ketcham

This paper proposes the chlorophyll prediction in Pathumthani1 rice based on the image processing technique. The algorithm is developed to analyse the colour in the image by separating the components from rice leaf and computing the average value of red, ... see more

Pags. 269 - 280  

Onanong Sangphong, Siradol Siridhara, Vatanavongs Ratanavaraha

This paper presents a primary model to maximize rail line capacity by minimizing the train headway, defining block time as the time when a train first enters until it leaves the block. The analysis was conducted under a fixed-block system, which allows on... see more

Pags. 281 - 293  

Pakpoom Mookdarsanit, Montean Rattanasiriwongwut

Location estimation of a photo is the method to find the location where the photo was taken that is a new branch of image retrieval. Since a large number of photos are shared on the social multimedia. Some photos are without geo-tagging which can be estim... see more

Pags. 295 - 308  

Rony Kumer Saha, Yan Zhao, Chaodit Aswakul

In this paper, we present numerous small cell base station, i.e. femtocell base station (FCBS), with control-/user-plane coupled and separation architectures based on the number of transceivers and operating frequency bands to serve control-/user-plane tr... see more

Pags. 309 - 343