Tanakorn Wongwuttanasatian

Khon Kaen University | KKU · Department of Mechanical Engineering

This paper introduces a novel platform of Waste-To-Energy Online Marketplace. The platform maintains a comprehensive catalogue of available biomass resources, detailing types, quantities, and geographical locations. This allows bioenergy facilities to identify and select suitable biomass feedstock based on their specific energy production requireme...

Sugarcane is one of the oldest crops ever cultivated by humans and has a long history. Currently, the prevalent practice of burning sugarcane fields increases environmental concerns because many farmers frequently use this method to facilitate the harvest process and prepare the area for the next planting crop. Thus, the effective use of sugarcane...

The photovoltaic thermal (PV/T) hybrid system has attracted significant interest from researchers in the solar field. These systems efficiently harness solar radiation, converting it into a usable source of energy and making use of any excess heat generated in the panel. In this study, PCM is utilized as a medium for combining with nanoparticles. N...

High-voltage electrical equipment insulation often uses composite materials like epoxy resin, cross-linked polyethylene, polyurethane, and silicone rubber as encapsulation. 3D printing technology offers a more efficient and cost-effective solution, producing intricate elements without cutting and casting. Research shows that 3D printed materials ha...

Power transformers use mineral oil as an insulating liquid due to its excellent dielectric properties. However, mineral oil is a non-renewable resource and is toxic to the environment when leaked. The purpose of this research is to examine vegetable oil containing nanotitanium dioxide as a substitute for mineral transformer oil. Vegetable insulatin...

The phase change materials (PCM) based cooling system have gained recent popularity with PV module temperature (TPV) reduction. PCM is an effective thermal energy storage material with the activation of latent heat capacity. Its low heat conductivity has been discovered in several studies. In this study, PCM is chosen to mix with nanoparticles to e...

Torrefaction is a process that occurs in airless spaces between 200 and 300 ℃. Its purpose is to improve the characteristics of fuels with a higher heating value. In this work, raw bagasse was torrefied in a sugar mill for 12, 15, and 17 min at temperatures between 200 and 210 ℃. Utilising waste heat from exhaust steam as a heat source reduces the...

Palm empty fruit bunch oil (palm EFB oil) is a waste product that can be used to produce biodiesel at a low cost. However, high free fatty acid (FFA) content is the primary obstacle to biodiesel production. Before the transesterification process can begin, the oil must be esterified to reduce its acid content. This study seeks to employ dual‐freque...

Environmental sustainability, resource availability, and cost-effectiveness are the driving forces behind the search for natural sensitised dyes to replace synthetic ones. Using a combination of pigments as the sensitised dye in dye-sensitised solar cells (DSSCs) offers several advantages over using a single pigment. In this present study, natural...

A by-product known as filter cake has been a major problem for sugar industries. Despite its use as fertiliser, millions of tonnes of filter cake have been discarded as waste. Thus, the concept of waste valorisation is highly essential to the production of useful energy. Filter cake consists of fine particulates with a high moisture content; conseq...

Dye is an important element for dye sensitized solar cell (DSC), and acts as an electron receiver when sunlight hits the DSC. It can be obtained from natural colour fruits, vegetables, and parts of plants. Green colour dyes (Chlorophyll pigment) can be extracted from many green leaves such as lettuce leaves, ivy gourd leaves and spinach. purple and...

Filter cake is a by-product from sugar production and estimated to be 4% of input sugarcane. The filter cake is a dark brown fine particle with 65%-75% moisture content. It is estimated to be 4 million ton/year in Thai sugar industry. This research shows a concept of turning this waste to energy by pelletisation and using the pellets as fuel in a s...

Several studies have found that incorporating an appropriate melting temperature (Tmelt) of Phase Change Material (PCM) behind the PV module enhances the cooling effect. In this study, PCM is selected for hybrid cooling for summer and winter using six years of meteorological data obtained from NASA. Considering the hybrid cooling method, winter sea...

Phase change material (PCM) is a predominant storage material that enables a higher cooling effect over sensible heat storage materials without the assistance of working fluid. In this study, novel PCM infused finned, and mesh finned containers are developed to help cooling photovoltaic (PV) in operation by reducing the PCM conduction resistance. T...

Biomass powers have been recently increased in Thailand, over demand of biomass has become a problem led to finding out alternative agricultural waste to be used as fuel. Rice straw is one of promising biomass with very high quantity and quality. However, upgrading rice straw could be more attractive. Rice straw, an agricultural waste, has been int...

Impregnation of potassium can enhance thermal decomposition and thermal reactions of biomass. In this study, the addition of potassium to biomass using potassium carbonate (K2CO3) was investigated to better understand the effects of solution concentration and impregnation time on the pretreatment process of as-received (macro-scale) sugarcane bagas...

To reduce the on-peak electrical power consumption, storage devices are widely performed with the help of an energy management system. According to IEA, residential air conditioning consumes 70% of the electricity, increasing by 4% every year. To minimize peak power consumption , thermal energy storage (TES) can be used to store cooled water for th...

Rice straw is an agricultural waste most left in the field and is burned prior to the next crop. It is a biomass resource which has high potential to be used as an alternative fuel. However, it contains low fixed carbon and high volatile matters, giving low fuel characteristics. Hence, upgrading rice straw via low temperature torrefaction is of int...

Natural fiber-reinforced polymer composites are gaining in popularity due to recyclability and availability. This research investigates how oil palm shell (OPS) filler materials impact the interlaminar shear and the dynamic properties of flax fiber-reinforced hybrid composites under cryogenic circumstances. Filler materials in two different proport...

Solar photovoltaic (PV) is a promising technology in solar energy conversion. There is plenty of solar energy available in tropical regions. However, increased PV module temperature during operation affects its performance in negative way. Thus, PV module cooling via passive cooling is of interest to overcome the problem and shows more attractive a...

Under tropical conditions, an increase in solar irradiance abruptly increases the operating temperature of a Photovoltaic (PV) module. This, in turn, deteriorates the electric power conversion efficiency. Several studies have attempted to reduce the PV module temperature using Phase Change Materials (PCM), which is predominant among sensible heat s...

Dye Sensitize Solar Cell (DSSC) gained attention as a replacement for silicon solar cells owing to operational and economic benefits. This study aims to synthesize the Fe2O3/ZnO composites using two different methods; Hydrothermal-calcination (HTC) and Hydrothermal (HT) method. The prepared samples structural properties were analysed using XRD, SEM...

By maintaining the photovoltaic(PV) module at its nominal operating temperature (T PV) in a sustainable way, we can enhance the total efficiency of the PV system. This study focuses on the effect of phase change material (PCM) as coolant medium in controlling the raise of photovoltaic module temperature during operation. The numerical simulations w...

Dye-sensitizer is heart of dye-sensitized solar cell which is an electron donor when receiving irradiation on the surface. Dye can be classified as synthesized dye or natural dye. Natural dye can be obtained colourfully from various plants such as tomato, carrot, grapes, chili, and so on. In this work, three selected plants which are locally availa...

In this study, fly ash (FA) was modified with a silane coupling agent for use as a filler (5–25% by weight) in an epoxy composite. An epoxy composite containing untreated FA was more brittle and less resistant to bending force compared with neat epoxy. Increasing the treated FA content resulted in a composite with greater tensile toughness and high...

Biodiesel production from waste-or by-product oils having high free fatty acid (FFA) contents is required oil pretreatment. Esterification has been used to reduce FFA contents of crude oils prior to transesterification. In this present work, palm empty fruit bunch (EFB) oil which is a by-product from the palm oil industry was used as feedstock for...

Hydrogen blended CNG (HCNG) is an attractive alternative to existing fossil fuels. In this study, efficacy of the HCNGs blended with various hydrogen proportions (HCNG15, HCNG20, and HCNG30) are determined. To analyze the performance of these fuels, electronic fuel injection spark ignition engine (EFI-SI engine) is considered, as this engine is com...

This paper proposed the electrode shape design of a plasma incinerator for producing a stable plasma beam. Due to the accumulation of waste from the hospital in Thailand is increasing rapidly from epidermic recently, Plasma incinerator can be used to incinerate the infectious waste such as face mask, medical rubber gloves as well as electronics was...

Crude organic oils mostly contain high amounts of free fatty acids (FFAs), which are not ready to be transesterified into biodiesel. Using esterification, FFAs must be reduced to be less than 1% prior to transesterification. This research aimed to compare the FFA conversion yields of the esterification of crude palm oil (CPO), with 11.3% FFAs, unde...

In today's world due to a greater demand for fossil fuels, many alternative solutions such as extracting energy from waste and also from green biofuels have been offered. Among various studies, a new approach on the usage of low viscous Pimpinella anisum as a green biofuel with waste cooking oil biodiesel blend in the diesel engine efficiently has...

One of the primary pollutants obtained from both petrol and diesel engines is NOx emissions. The exhaust gas recirculation (EGR) technique is a widely used methodology to mitigate NOx emissions from the engine. This technique was initially implemented in diesel engines while it is now implemented in spark-ignition engines along with various other m...

Enhancement of the room temperature vulcanization silicone rubber (RTV) tracking resistance with various filler loadings of synthesized wollastonite against electrical surface tracking was prepared. The X-ray diffraction (XRD), Scanning electron microscope (SEM), and X-ray fluorescent (XRF) techniques were involved in characterizing the synthesized...

Prior to biodiesel production of a high free fatty acid (FFA) oil, esterification of the oil is recommended to reduce the FFA to less than 1%. In this work, dual frequency ultrasound-assisted esterification with three different techniques was investigated. Three wave applying techniques have been proposed with the same energy used during the proces...

The phase change material (PCM) based cooling systems have gained recent popularity with PV module temperature (TPV) reduction and enhanced performance. The technology is confined with the spacious demerits like physical contact, conductivity and PCM melting temperature (Tmelt) loss. It is found that PCM Tmelt loss is higher than other losses and i...

Nowadays, worldwide, many countries are engaged in reducing the vehicular exhaust emissions from diesel engines as diesel engines are the main source of power in various transport applications. Biofuels obtained from various feedstocks serve as a better alternative fuel in CI engines because of its emission reducing capabilities. The major drawback...

A numerical investigation of ultrasonic dual-frequency waveform assisted transesterification was performed. The dual-frequency waveforms of square waves (SQ + SQ), sine waves (SIN + SIN), and sawtooth waves (ST + ST) were explored. For non-sinusoidal signals, the Fourier coefficient and Fourier series were applied to convert the signal into the sum...

An increase in Photovoltaic (PV) module temperature (T PV) affects the photoconversion efficiency (PCE). Annual T PV loss accounts higher than other losses in the PV system for hot climatic conditions. The main objective of this work is to introduce a novel passive Cold-PCM (C-PCM) to reduce the T PV. Commercial PCM's are more expensive than a eute...

Rise in PV module temperature (TPV) majorly drops the electrical output of the PV system. This research presents a novel cylindrical tube PCM matrix that is not in physical contact with the PV module back surface unlike the existing PCM based PV module cooling techniques. This contactless PCM matrix prevents the PV module from thermal and physical...

Torrefaction process was employed to upgrade bagasse as a better fuel compared with raw bagasse in a biomass power plant. Torrefaction is a process that unnecessary organic and inorganic matters are removed from the biomass structure. The remaining solid components can then be used as fuel. This preliminary work was a set of experimental investigat...

This research aims to study the impact of continuous pulsed electric field (PEF) on glycerin separation from Transesterification process. Transesterification process of biodiesel production using 100 ml vegetable oils with alcohol of 1:5 molar ratio together with potassium hydroxide (KOH) as catalyst 1 wt.% for the reaction. The designed glass tube...

This study investigates the effects of micron-sized eggshells filler on resistance to tracking and erosion of silicone rubber composite. Eggshells with particle size from 44 to 53 microns were filled into liquid room temperature vulcanizing (RTV) silicone rubber with 0, 5, 15, 25, and 30 part per hundred of rubber (phr). IEC-60587 inclined plane te...

Temperature reduction in a photovoltaic module can improve its efficiency. This paper presents a radiation based photovoltaic module cooled by using composite phase change material that are not in direct contact with the photovoltaic module. A thermal heat transfer network is developed which improves efficiency of the photovoltaic module by using r...

This study investigates the effects of micron-sized eggshells filler on resistance to tracking and erosion of silicone rubber composite. Eggshells with particle size from 44 to 53 microns were filled into liquid room temperature vulcanizing (RTV) silicone rubber with 0, 5, 15, 25, and 30 part per hundred of rubber (phr). IEC-60587 inclined plane te...

Biodiesel production process can be rapidly done if the glycerin separation can be removed faster. With the palm oil crisis, biodiesel is needed for faster production to add more value and to solve the oversupply problem. Pulse forming network circuit can generate pulsed electric field (PEF) to speedily separate glycerin from biodiesel production....

Currently electronic waste has increased due to the growth of an industrial economy. Conventional method of waste destruction was to use burner that heats up and finally forming hydrocarbon to an atmosphere. Recently, plasma technology is an alternative method that has an efficiency and safe to use as a mean for waste destruction due to its higher...

Biodiesel production with 6/2 pulsed ultrasonic single and dual frequencies were conducted under M/O molar ratio (9:1), CaO catalyst (size 200 mesh at 8%wt), time (37 min), intensity (0.91 W/cm2). Powers of waves were 140 W for single waves, and 70W + 70W for dual case. Biodiesel yield for dual frequency case was 96.16% while those of single 28 kHz...

The enhancement of passive cooling for a photovoltaic (PV) module in a finned container heat sink was pro- posed. Palm wax was chosen as a phase change material (PCM) for this research as it was much cheaper than other commercial PCMs. Initially, three different PCM containers, i.e. grooved, tubed and finned containers, were designed and investigat...

In alcohol industries, a by-product called slop is considered as waste and usually results in costly waste management. A method of slop utilization as fuel was proposed. Slop contains a high ash composition so that combustion in a cyclone furnace would be suitable. Firstly, this study examined the combustion temperature of concentrated slop in a cy...

In the sugarcane and sugar industry, there is a waste produced from the manufacturing process called "Filter cake". It is a black solid sludge with the moisture content of 70-75%. In general, this waste is about 4% of the sugarcane mass input to the process. In every year, there are a large amount of filter cake resulting in high waste management c...

A 4-cylinder SI engine (1497 cc) was modified for fueling with CNG and H2. The engine performance was investigated and compared with when fueling with gasohol (E10), CNG, and blended fuels of CNG and H2. The blended fuel of 5% (HCNG5) and 10% (HCNG10) of H2 were examined and studied the possibility of using H2 in the SI engine. A test rig with a dy...

This study determines an optimum pulse mode based on total energy use, specific energy consumption and biodiesel yields. Biodiesel is produced in a pulse sonication reactor under atmospheric pressure (P-USA). The pulse modes (ON-time/OFF-time) were varied at 3/1, 3/2, 3/3, 6/1, 6/2 and 6/3 while methanol to oil molar ratio, catalyst loading, and te...

When air condition system is operated with chilled water storage tank, it is expected that peak demand of the system can be reduced. Basically, chilled water is produced and charged into a tank during off-peak period and it is used or discharged to the cooling system during peak time. In this research, temperature gradient of water inside the stora...

Configurations of photovoltaic (PV) modules, such as series-parallel (SP), bridge-linked (BL), and total cross-tied (TCT) configurations, always utilize a number of connecting switches. In a simulation, the ideal switch with no loss is used to optimize the reconfiguration method for a solar PV array. However, in practice, the switches are non-ideal...

Abstract Effect of partial shading on PV modules is simulated. Three standard configurations of PV array consisting of series-parallel (SP), bridge-linked (BL), and total cross-tied (TCT) are studied. Nine PV panels are arranged in 3x3 array. The suitable solar radiation level to start reconfiguring the PV array according to shading pattern is inve...

The performance of photovoltaic module (PV) situated outdoors suffers from high temperature. When the high temperature of surrounding atmosphere is increased, the generation of electricity power drops rapidly. This paper is concerned with the temperature compensation technique of the cooling PV cell by using the phase change materials (PCMs). PCM u...

This research focused on the combustion of spent coffee ground (SCG) mixed with crude glycerol briquette fuel for different SCG: crude glycerol mass ratios of 100:0, 95:5 and 90:10. The initial supplied air to burn the briquettes was varied at 550%, 700%, 850% and 1000% theoretical air and the combustion temperature in a designed chamber and exhaus...

This study examined the combustion behavior of concentrated slop in a cyclone furnace, primarily aiming to determine the appropriate amount of air supplied for concentrated slop combustion under the adiabatic process using computational fluid dynamics (CFD) in four different air settings; 100%, 120%, 140% and 160% theoretical air. The results show...

This paper presents the simulation of photovoltaic (PV) module operation which is created from basic equation of photovoltaic module. The three standard configurations of PV module consisting of series-parallel (SP), bridge-linked (BL), and total cross-tied (TCT) are studied. Nine photovoltaic cells are arranged in a three by three array and the ef...

Slop is a by-product in alcoholic industries requiring costly waste management. An idea of using slop as a fuel in a boiler for the industries was proposed. Due to high content of ash, a cyclone furnace was designed to combust the slop. This study aims to examine the concentrated slop combustion in a designed cyclone furnace, consisting of combusti...

This study investigates biodiesel transesterification optimisation derived from refined palm oil with CaO catalyst combined with 6/2 pulse ultrasonic waves under a vacuum condition. Response surface methodology (RSM) and CCD experiments were applied to achieve optimised conditions of variables i.e.: molar ratio, catalyst loading, ultrasonic intensi...

A preliminary study on ultrasonic assisted tranesterification under vacuum condition was investigated. Improvement of Methyl ester yield due to vacuum condition was expected. The experiments were carried out in 3 different cases, namely conventional method with mechanical stirring (CM), ultrasonic assisted reaction at atmospheric pressure (USA), an...

This research was aimed to study an energy saving scheme of air-conditioners in an academic building by re-arranging the use of classroom. The concept was to arrange classrooms in a continuous usage pattern and minimize the number of occupied classrooms. A computer program was used to arrange classrooms schedule subjected to the demands with energy...

This research investigates combustion characteristics and emissions of fuel briquettes made of biomass (rice husk and rice husk char) mixed with molasses and glycerin. An experiment was designed to find the best fraction of glycerin in fuel briquettes. The mixing ratios of biomass to molasses to glycerin tested are 90:10:0, 85:10:5, 80:10:10, 75:10...

A new steaming stove is designed and constructed to use biomass as fuel. The new design aims to increase the overall thermal efficiency over a conventional stove. The thermal efficiency of the stove is determined and compared with a conventional stove in the standard water-boiling test using Eucalyptus wood as fuel. The stove has a double-wall cons...

Net Zero Energy Building (Net ZEB) concept has been applied to make a selected building as a self-energy provider. The building was partly modified to reduce its energy consumption using several energy efficient technologies such as wall material, insulator, VRF air condition unit, solar lighting, LED light bulbs, etc. While, electricity served int...

This research work investigates the surface degradation of blade specimen which is made from epoxy resin mixed with non-linear fillers of Zinc oxide, Aluminium oxide and Sodium silicate in different ratio percentage. Test on surface trackability of each specimen according to IEC 60587 standard. Then, choose the best specimen which has achieved a hi...

This research aimed to investigate the effectiveness of the pretreatments for cellulose extraction of oil palm residues. Steam explosion method and acid or alkaline digestion based on detergent analysis method were the pretreatments used in this research. Four types of oil palm residues were considered: oil palm seed meal, oil palm meal, oil palm l...

This study was aimed to investigate the combustion characteristics of briquette fuel produced from sawdust mixed with glycerin. The study compared the combustion temperatures and mass reduction over time during combustion. The environmental impact was also studied by detecting acrolein gas. The experiments were carried out using briquette fuel mixe...

The paper describes an investigation of using oil extracted from Bastard Poom beans as a biofuel. Unlike Palm oil, Bastard Poom bean oil is non-edible, therefore using it as a fuel does not create a demand conflict between food and fuel. Bastard Poom are a type of softwood trees and grown quickly. We find that to obtain a liter of oil, approximatel...

The paper describes an investigation of using oil extracted from Bastard Poom beans as a biofuel. Unlike Palm oil, Bastard Poom bean oil is non-edible, therefore using it as a fuel does not create a demand conflict between food and fuel. Bastard Poom are a type of softwood trees and grown quickly. We find that to obtain a liter of oil, approximatel...

The objective of this study was to test the performance of diesel engine using diesel B3 mixed with crude palm oil in ratios of 95 : 5, 90 : 10, and 85 : 15, respectively, and to compare the results with diesel B3. According to the tests, they showed that the physical properties of the mixed fuel in the ratio of 95 : 5 were closest to those of dies...

This study was conducted on production of biodiesel from bastard poom via transesterification with potassium hydroxide as the catalyst. Certain experimental conditions were set for determining the maximum biodiesel produced. The most appropriate methanol solvent per bastard poom found was 1:4 by volume and 2 mass per unit volume of potassium hydrox...

This research investigates causes of the low performance of the first commercial wind farm in Thailand. The measured data suggests that this wind farm is uncompetitive. We found that this is due to poor turbine-site matching. In contrary to a traditionally held belief, the hub-height and turbine capacity are not the contributing factors. Key perfor...

This paper presents an investigation of the inventory of greenhouse gas (GHG) emissions in the energy sector by energy supply in Khon Kaen province, Thailand. Studied areas are classified into 3 categories, which are city centre metropolitan, rural village and academic campus. The studied areas are Khon Kaen metropolitan, Nonthong village and Khon...

This paper investigated the feasibility of using the mixture of glycerin and biomass as an alternative fuel by measuring the energy used in the densification process and the energy gained from the briquette fuels. The correlation of the heating values between the calculated values and the actual values was also determined. Rice husk, sawdust, sugar...

Cement factories traditionally use coal as an energy source in cement kilns since coal gives the high temperature that is required. Cement manufacturing is an energy intensive process. The extensive use of coal in kilns makes cement factories sensitive to rising prices of fossil fuels, and so an alternative fuel is needed to reduce fuel costs. This...

Many commercial pig farms in Thailand have used pigs' dropping and sewage to produce biogas, which reduces odor around the farms. However, small farms have excess biogas since the biogas is only used for household purpose. Therefore, the excess gas is normally released to the atmosphere and consequently exacerbates the greenhouse effect. Thus this...

The purpose of this research was to investigate and compare the electrical power generation between the water weighted sun tracking system and the fixed installation system of the 1 MW solar power plant at Sirindhorn Dam. Two types of photovoltaic cell used in the water weighted sun tracking system were considered: multi-crystalline silicon and amo...

This research was to design a briquettizing machine to produce biomass briquette fuel by a cold compression process, and to investigate its performance in terms of production rate and specific energy consumption. The compression pressures and proportions of raw materials were varied to study the effect on production rate and specific energy consump...

This research is to produce biogas by using cassava waste cake as a feed stock in a two-stage anaerobic digestion system. The system was designed and built as a pilot-scale plant consisting of mixing tank, a fermented acid tank, two methanogenic tanks and a storage tank connecting in series. Feed stocks were mixed in the mixing tank and then fed in...

Experimental data have been generated for a single-circuit, multi-pass finned tube heat exchanger representative of an element of a typical packaged air conditioning unit evaporator. The data have been used to validate a cross flow heat exchanger computer program (ACOL5), developed originally for large scale steam plant, for air conditioning applic...