Tag: Energy: Renewable Energy and Environmental Solutions,

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Optimisation of the Size and Cost of Heliostats in a Concentrating Solar Thermal Power Tower Plant

Concentrating solar thermal (CST) power tower (PT) is one of the most promising renewable technologies for large-scale electricity production, however the main limitation of PT systems is their significantly larger levelised cost of electricity (LCOE) relative to base load energy systems. One opportunity to lower the LCOE is to reduce the capital cost of heliostats

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On-Site Production of Electricity and Hydrogen for the Energy Needs of Rural Areas

In both developed and developing countries, energy supply in rural areas is needed in an economical and environmentally sustainable way. On the one hand, extensions of the power grid are often inadequate due to their high cost and landscape impact. On the other hand, diesel generator sets have high greenhouse gas emissions and other undesirable

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The Influence of Skycourt As Part of A Combined Ventilation Strategy in High-Rise Office Buildings

Skycourts are recognised nowadays as essential transitional, movement and social interaction spaces in high-rise and mid-rise buildings. The paper reports on analytical research into the energy saving promising associated with modification of air movement strategy in skycourt zones. Heating and cooling in office buildings devour a high percentage of the overall energy consumption. Nevertheless, ventilation

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The Journey on Sustainable Energy and Environmental Preservation for Improving Community’s Welfare: The Ideas from Pesanggaran Power Generation, Bali, Indonesia

Energy efficiency and environmental sustainability are now becoming the highest priority for Pesanggaran Power Generation, Bali ā€“ Indonesia. Considering the energy demand has increased exponentially along with environmental degradation, neither local nor global impact, Pesanggaran Power Generation endeavor certain efforts on minimize waste throughout electricity main process, supporting process, and domestic activity. This paper mainly

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Investigating the Energy Performance of Buildings with a 3D City Model and Thermal Simulation: Results from the Urban Transition Lab

Reduction in consumption of non-renewable energy resources at the local level (e.g. district or neighborhood) is one of the effective manners to support sustainable development. To achieve this goal, engagement of citizens and other actors in the early stage of research is important. In this regard, the “Urban Transition Lab 131” (R131), which acts as

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Development of a Dual Axis Sun Tracking System with Astronomical Equation Program on Arduino Via GPS Module

The overall objective of this study is to design and develop a program for controlling A Dual axis sun tracking system with astronomical equation program on Arduino via GPS module. This paper discusses about mechanical structure, concept of program and algorithm base on the astronomical equation in Thailand. The concept of this tracking system is

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Developing an Economic Analysis Application for Solar Rooftop Electricity Generating in Thai Residential

This paper presents the development of an economic analysis application for solar rooftop electricity generating in homestead. This study focuses on extracting specific parameters of solar rooftop system in residences and finding indicators of cost analysis and economic benefits to design and develop an application for solar rooftop system and economic analysis by using Visual

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NOx Behaviors Upon Conventional and Advanced Combustion Treatments of Woody Biomass

Based on the easy approachability and affordability, bio-energy has always been termed as basic source of energy since the evolution of humankind. Based on the fact, the present study deals with a direct combustion approach towards thermo-chemical characteristics of woody biomass under various combustion media and furnace temperatures through using conventional & advanced combustion technologies.

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Performance Evaluation of Paddy Rice Pneumatic Dryer

This research was carried out to study the drying of paddy using a developed pneumatic dryer by the cyclone and without cyclone installation. In this study, Thai jasmine rice 105 variety was selected as a sample in the experiment. The effect of drying behavior, specific energy consumption (SEC), drying rate (DR) and percent of head

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Sustainability on Economic and Energy Planning of China

From the “13th five year” plan, China now is directing to transit to the green economy for not only relying on GDP performance, but also ensuring the environmental protection. Therefore, it is crucial to have the energy plan which can build up safe, efficient and sustainable energy strategy systems. This study discusses the concept of

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Performance of a Solar Heating System with Photovoltaic Thermal Hybrid Collectors and Heat Pump

The energy consumption in buildings accounts for a large part of the World’s CO2 emissions. Much energy is used for appliances, domestic hot water preparation and space heating. In solar heating systems, heat is captured by solar collectors when the sun is shining and used for heating purposes. When the solar collectors are unable to

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Numerical Simulation of Heat and Mass Transfer in Adsorbent Beds with Rectangular Fins

A transient two-dimensional numerical model of coupled heat and mass transfers in adsorbent bed of a silica gel/water adsorption chiller system is presented for a plat bed with rectangular fins through the finite element method (FEM) simulations. The bed transient transport behaviors are investigated for all four cycle phases in detail. In the model, a

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Energy and Exergy Analysis of Evacuated Tubes Solar Air Collector with Micro-Heat Pipes Arrays (MHPA)

Solar air collector (SAC) occupies an important place among solar air heating systems because of simpler structure and lower manufacturing costs compared with a solar water collector. In order to improve the performance of SAC, micro-heat pipe arrays (MHPA) technique has been introduced in the presented study. MHPA looks like a flat aluminum plate with

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A Comparative Analysis of Environmental and Economic Costs of PV Solar Imports and Manufacturing: China vs. Ontario, Canada

Solar energy is one of the most suitable renewable sustainable energy options with the opportunity to reduce greenhouse gas emissions. The use of photovoltaic (PV) technology is carbon neutral; however, the manufacturing of panels produces measurable carbon emissions. Recently, Canadian solar panel companies filed a complaint with the Canadian government claiming subsidized PV modules from

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Techno-Economic Analysis of a Grid-Connected Hybrid Biogas/Photovoltaic Power Generation System in the Mediterranean Region

Depletion of fossil fuels and oncoming impacts of global warming reveal the vitality of utilizing renewable power generation systems for future generations of humanity. Investing in those systems also has several incentives in Europe for domestic equipment usage or selling produced electricity to the grid with advantageous tariffs in recent years. Reciprocating internal combustion engine

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Effect of Non-Uniform Inlet Flow Rate on the Preheating Process of a Solid Oxide Fuel Cell Unit

This study simulates the preheating process of a solid oxide fuel cell unit with the cross-flow configuration, and investigates the effect of the non-uniform inlet flow pattern and the non-uniform deviation on the maximum temperature gradient and preheating time. The numerical method is accuracy and reliable through the comparison with the analytical solution of previous

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Biotyping of Jatropha Curcas L. from Thailand, Laos and Tanzania by MALDI-TOF MS Technique

It was shown that Jatropha curcas L. of the family Euphorbiaceae had significant economic importance for its seed oil, which could be used to substitute for diesel oil. It has been widely distributed in Thailand. This study was aimed at determining the biotype that could produce better oil content by using biotyping technique. It was

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Mango Sheet Drying by the Solar Dryer Combine with Electric Coil

This research aimed to compare the duration of drying, energy consumption and yield of drying mango sheet between drying with solar energy and drying with the combination of solar energy and electric coil. The designed conditions of the temperature were divided into 3 ranges, i.e., 45-50__∞C, 55-60__∞C and 65-70 __∞C in order to find the

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Preparation and Properties of Konjac Bran-Graft-Poly (Acrylic Acid) Superabsorbent Polymer

Biopolymer-based superabsorbent was synthesized by graft copolymerization of partially neutralized acrylic acid (AA) onto glucomannan backbone in konjac bran via a thermal initiator system of potassium persulfate (KPS) and using N,N’-methylenebisacrylamide (NMBA) as a crosslinking agent. The synthesized superabsorbent polymer was characterized by FTIR and SEM. The influence of variables content on the water absorbency

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Utilization of Diatomite as Silica Source for the Synthesis of Ordered Mesoporous Silica Materials

Mesoporous silica is an important material which has wide range of industrial applications. Currently, it is produced from precursors that are costly. This paper presents the preparation of mesoporous silica MCM-41 materials using diatomite as inexpensive silica source and quaternary ammonium salt as structure directing agent by sol-gel method. The obtained samples were characterized by