33 articles in this issue
Chutaporn Amrapala, Kasem Choocharukul
One informal public transport service in Bangkok is Silor (SR), given the meaning in Thai as four-wheeler. SR facilitates urban mobility both in terms of major travel mode and feeder to bus and mass transit lines in the city. This research aims to explore... see more
Pichnaree Lalitaporn, Tharinee Boonmee
Tropospheric NO2 columns over northern Thailand were analyzed using satellite products of the SCIMACHY, OMI, GOME-2A, and GOME-2B sensors for the 14-year period 2003–2016. The comparative results of the four pairs of different satellite datasets within ov... see more
Trong Dai Ly, Suwit Ongsomwang
Landscape theory and its application have played an important role in natural resources exploitation and environmental protection. Various classification approaches had been employed worldwide in landscape ecology studies. This paper had developed a new h... see more
Herlambang Setiadi, Muhammad Abdillah
In future power grid scenario, large-scale renewable energy based on power plant will be one of the main generations. Among renewable based power plant type, large-scale photovoltaic (PV) plant becoming more popular as they could provide zero emission and... see more
Kritsada Khun-anod, Charinee Limsawasd
Project effectiveness is a challenge in sustainable building construction projects. Lack of experience, knowledge, and skills in sustainable projects have been highlighted as the main barriers to using sophisticated and innovative techniques. Based on the... see more
Armin Azad, Jamshid Pirayesh, Saeed Farzin, Leila Malekani, Sheida Moradinasab, Ozgur Kisi
Traditionally, climate conditions has been one of the influential factors in population growth in worldwide. Hence, predicting these conditions can be an important step to improve life conditions in worldwide. In this study, application of genetic algorit... see more
Muhammad Fachrizal, Jing Tang
Solar PV is one of the fast-growing renewable energy in Thailand. Three sectors are contributing to solar PV installation, which are solar farms, industrial, and residential sector. However, the latter only contributes 1.39% of the cumulative capacity in ... see more
Musediq A. Sulaiman, Babatunde Olusola Adetifa, Sunday O. Adekomaya, Nurudeen S. Lawal, Olukayode O. Adama
The quest for alternative energy sources is gradually shifting from natural fossil fuel to alternative bio-resources especially agricultural waste products due to their reduced pollution risk and sustainability. This study seeks to investigate the suitabi... see more
Yudi Haditiar, Mutiara R. Putri, Nazli Ismail, Zainal A. Muchlisin, Syamsul Rizal
The aim of this work is to determine the hydrodynamics of the Malacca Strait (MS) and the southern part of the South China Sea (SCS). The study uses the two-dimensional numerical model with a finite-difference method. The results show that the sea levels ... see more
Chanida Phitthayanon, Vichai Rungreunganun
Production cost management is a key factor to increase industrial competitiveness. The precious metals and the gemstones comprise 65% of the jewelry material cost. Managing raw material cost is a challenging task especially when the price highly fluctuate... see more
Gridsada Phanomchoeng, Ratchatin Chancharoen
The lift up or press process with high precision position control is an important application in industries. An example of the process lift up and press is the process of a machine tool for drilling, milling, or injection. It is difficult to design the me... see more
Songkran Panyamul, Phaiboon Panyakapo, Anat Ruangrassamee
Typical reinforced concrete short column is brittle in shear rather than flexure under lateral cyclic loading due to its shear deficiency. This paper presents the improvement of seismic behaviour of the reinforced concrete short columns which were s... see more
Yousef Sajed, Gholamali Shafabakhsh, Morteza Bagheri
Determining the criterion for critical limits is always one of the essential challenges for traffic safety authorities. The purpose of identifying accident hotspots is to achieve high-priority locations in order to effectively allocate the safety budgets ... see more
Kimleng Khy, Chatpan Chintanapakdee
An over-strength factor in seismic design plays an important role in computing actual forces in a structural member designed to remain elastic. However, sources contributing to this over-strength have not yet been systematically quantified for tall buildi... see more
Wanchai Pijitrojana, Pasit Jarutatsanangkoon
Transformation optics offers a procedure to design the structures of metamaterials to find the material parameters needed in various applications. However, a methodology of a transformation optics is too complicated. To help users who are beginning to stu... see more
Patchrapa Wongchai, Sotdhipong Phichaisawat
The proposed of a method for determination a space of feasible boundary points, by using adaptive particle swarm optimization in order to solve the boundary region which represented by particle swarm points. This paper present method supports the calculat... see more
Nicha Sato, Makito Haruta, Kiyotaka Sasagawa, Jun Ohta, Oratai Jongprateep
Barium titanate (BaTiO3) and calcium titanate (CaTiO3) are renown perovskite-structured dielectric materials. Nevertheless, utilization of BaTiO3 and CaTiO3 in sensing applications has not been extensive. This study, therefore, aims at examining potential... see more
Amir Ghaderi, Rasoul Daneshfaraz, Mehdi Dasineh
Today, scouring is one of the major issues in the river and coastal engineering. Each year, many bridges around the world are destroyed due to neglecting hydraulic elements. In the present study, scour depth around the piers of the Simineh Rood Bridge in ... see more
Worakarn Anuntasena, Akhrawat Lenwari, Thaksin Thepchatri
This paper presents the 3D finite element (FE) analysis of the concrete-encased steel (CES) columns subjected to concentric or eccentric loadings. A new simplified technique of FE modelling that incorporates the concrete confinement behavior of the compos... see more
Phonsak Lerthiranphanya, Sumalee Chanchalor, Anucha Watanapa
The objective of this research is to determine the effectiveness of visual inspection strategies with different screen display techniques for non-geometric parts in terms of inspector performance measures to identify an effective strategy for inspecting n... see more
Kunthakorn Khaothong
There are several factors affecting the strength of welding seam through hot air for PVC-acrylic coated polyester fabrics. To obtain the most durability of the welding seam for practical use, the experimental design of this study adopts Taguchi method for... see more
Nyoman Ade Satwika, Ridho Hantoro, Sarwono Sarwono, Gunawan Nugroho
HAWT with three blades is often used, because it has the highest power coefficient among other turbines. The airfoil used is Clark-Y type because it has high glide ratio (coefficient lift/coefficient drag) in the application of subsonic flow. The main pur... see more
Trizit Benjaboonyazit, Mana Sriyudthsak, Tayard Desudchit, Kwanrat Suanpong
In this paper, we propose a novel approach to respiratory rate measurement using resonance tube to enhance the performance of microphone inserted and fixed at the end of the tube to catch breath sound signal from the mouth and/or nose. The signal is ampli... see more
Kotchakorn Thanakhun, Tumrong Puttapitukporn
Ecofriendly anti-fouling surfaces are usually produced by lithographic techniques which will fabricate micropillar-like surfaces made of low surface energy materials such as Polydimethylsiloxane (PDMS). The purposes of this research were to investigate th... see more
Thanawan Phiophuead, Nipawan Kunsuwan
The relationships were analyzed among the factors affecting the travel mode choice between government vehicles and private vehicles used for the evacuation of people in areas experiencing floods and landslides. The relationships were developed using a uti... see more
Anirban Sur, Swapnil Narkhede, Sanjay Darvekar
Micro-lattice structures are emerging as multi-functional devices. They possess excellent heat transfer capabilities, energy absorption abilities, vibration control abilities, etc. The higher surface area to volume ratio of micro-lattice structures makes ... see more
Thanyawat Pothisiri, Pitcha Jongvivatsakul, Soklin Chou, Anil C. Wijeyewickrema
The performance of precast concrete load-bearing walls exposed to fire is investigated using 3-D thermal and structural models. The thermal model is validated by comparing the predicted temperatures with results from the fire tests carried out in the pres... see more
Koshi Yoshida, Mallika Srisutham, Supranee Sritumboon, Desell Suanburi, Naruekamon Janjirauttikul, Weerakaset Suanpaga
In northeast Thailand, the irrigated agricultural land was only 7.6% (in 2012) of total and others were classified as rain-fed so that climate change makes agricultural production unstable and also makes negative impact to the societies and economics in r... see more
Shojun Arai, Kazuya Urayama, Taichi Tebakari, Boonlert Archvarahuprok
We used a spatially interpolated gridded dataset produced by the Thai Meteorological Department (TMD) to explore long-term rainfall trends. We placed data from 1981–2017 into a 0.5° grid using the Kriging method. Long-term trends in maximum daily and mont... see more
Seonhui Noh, Mikyoung Choi, Kwansue Jung, Jinhyeog Park
In this study, the future expected discharges is analyzed at Daecheong and Yongdam Dam Watershed under Future Greenhouse Gas Scenarios based on RCM with 1 km spatial resolutions from Korea Meteorological Agency(KMA). HadGEM2-AO, which is the climate chang... see more
Shakti P. C., Hideyuki Kamimera
Extreme rainfall events cause severe flooding and/or landslides almost every summer in Japan. It seems that the frequency of such events and induced human/economic losses has increased in recent years. A torrential rainfall event in early July 2018 caused... see more
Tuan Pham Van, Sucharit Koontanakulvong
In many provinces of Mekong delta, excessive groundwater extraction has resulted in many serious groundwater-related problems. To solve problems relevant to increasing water demand as well as other negative influence of groundwater depletion, an exigent q... see more
Uditha Akalanka Dasanayaka, Yoko Matsuda
Natural disasters are unforeseen events which occur at hydrologic, geologic, and atmospheric origins. The Policy-makers still rely on mitigation strategies based on scientific approaches. However, many scholars had emphasized the importance of incorporati... see more