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Since the Fukushima Daiichi nuclear power plant disaster in March of 2011, the government of Japan has been reforming the electricity supply system in stages to reduce the independence on nuclear power. The Feed-in Tariff system for renewable energy has been implementing from July 1, 2012. More than 4 years after the beginning of the Feed-in Tariff system in Japan. It significantly enhanced the usage...
The study is aimed to determine the potential of electrical energy from the mitigation of greenhouse gas emissions, mainly methane (CH4) and carbon dioxide (CO2) based on the composition of municipal waste generated in Bontang City of East Borneo. The research was conducted by calculating the emissions of methane (CH4) and carbon dioxide (CO2) using Intergovernmental Panel on Climate change (IPCC)...
This paper provides an overview of the policy design of the current development of Green Energy in Taiwan and an analysis regarding the driving factors. After introducing the institutional process, with focuses on policy evolution and key projects, the paper conducts a driving force analysis from the elements of the actors, both public and private, and boundaries, which covers the natural, political,...
Energy interconnection (EI) is a logical consequence when ideas of open source and distributed scheme from the information field are introduced into the energy field. EI is essentially a typical cyber-physical system. This paper studies the new capabilities in sensing, computation, communication and control by analyzing its characteristics and demand. Firstly, we analyze the system architecture of...
Coal is till today the most commonly used fuel worldwide for electricity generation, with the largest consumers being China, USA and India respectively. Coal contains small amounts of radioactive elements such as uranium, thorium, potassium-40, radium and radon, in the range of a few parts per million, which make their removal difficult and economically unfeasible through conventional industrial technologies...
Sugar drivened from aquatic plants with high cellulose and hemicellulose content is one of the dynamic development that assists to maintain the advancement in bioproducts. Therefore, this study explored the potentiality of improvement on the saccharification efficiency of sugar from water hyacinth (Eichhornia crassipes) caused by microwave heating system. Pre-treatment is the most essential process...
This paper investigates a solar-driven humidification dehumidification (HDH) desalination system in summertime with a higher. The mathematical model of the HDH desalination system are established, and the corresponding performance, mainly containing the freshwater production, gained output ratio (GOR)as well as the collecting efficiency of the flat plate solar heat collector is simulated and analyzed...
Installation of small low cost Solar Home Systems are on the rise in remote off-grid rural areas of Bangladesh. Initial investment of this units is prohibitively high for poor population of the concerned areas. The major cost of each Solar Home System is the battery used for energy storage for the use of electricity during night time. Study reported in this paper indicates that resizing the storage...
This paper introduces an automated solar-powered aquaponics system, designed and implemented to be cost-effective and environmentally sound for local communities in Oman and other arid regions. It presents the design, construction and implementation of the following modules: 1) water recirculation system that circulates water to an aquaculture tank and hydroponic beds; 2) aquaponics control and monitoring...
Electricity demand is rising rapidly due to the expansion of economy. This results in an increase of demand for electricity generation such as power plant fossil, hydro and nuclear. Every form of electricity generation has its strength and weakness. For example, fossil fuel power plants burn a significant amount of coal, oil or gas to produce electricity and produce large amount of greenhouse gas...
The performance of Cu2ZnSnS4(CZTS) solar cell was investigated using a simulator called Solar Cell Capacitance Simulator(SCAPS). An n doped Zinc Oxide(n-ZnO)/Indium Sulfide(In2S3)/CZTS structure was used in the simulation. These materials are cheap and non-toxic which is an important factor keeping the idea of mass production in mind. The performance was recorded for different thicknesses of CZTS...
We consider a virtual battery energy storage consisting of individual storage systems used for both, maximization of household PV-power own-consumption and provision of frequency containment reserve power. The frequency containment reserve power provision is managed by a central controller by setting benchmarks for each individual storage and also autonomously by each individual system based on the...
Clean conversion technologies of coal to hydrogen and its storage are proposed, compared and evaluated in this study. Chemical looping is selected as the main conversion technology to convert the fuel to both carbon dioxide and hydrogen. In addition, integrated system for hydrogen production from coal employing two different chemical looping methods were modeled and compared. The first system integrates...
Majority of energy consumption in Singapore buildings is due to air-conditioning, because of its hot and humid weather. Besides attaining a healthy indoor environment, a prior knowledge about the occupant's thermal comfort can be beneficial in reducing energy consumption, as it can save energy which is otherwise spent in extra cooling. This paper proposes a data-driven approach to predict individual...
The economic growth and the pattern of lifestyles of nations associated with it generally determine the anthropogenic effects of human activities on the environment. This in turn affects the environmental quality. The more prosperous a country's economy is, higher is its fossil fuel consumption, resulting in higher GHG emissions. They together determine the level of production and its degree of carbon...
Flood risk and supply chain resilience have emerged as a key management concern, due to global sourcing and globalization of supply chain. This study aims to develop a framework to identify important factors for the establishment of flood-resilient supply chain. The framework is formulated based on the concept of resilience triangle and the distinctive characteristics of flood disaster. The relevant...
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