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  Subjects -> ENERGY (Total: 275 journals)
    - ENERGY (185 journals)
    - ENERGY: GENERAL (8 journals)
    - NUCLEAR ENERGY (23 journals)
    - PETROLEUM AND GAS (49 journals)
    - WIND ENERGY (10 journals)

ENERGY (185 journals)                  1 2 | Last

Advances in Building Energy Research     Hybrid Journal   (Followers: 12)
Advances in Energy and Power     Open Access   (Followers: 3)
Advances in High Energy Physics     Open Access   (Followers: 12)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 14)
American Journal of Energy Research     Open Access   (Followers: 7)
Annals of Nuclear Energy     Hybrid Journal   (Followers: 7)
Annual Reports on NMR Spectroscopy     Full-text available via subscription   (Followers: 1)
Annual Review of Resource Economics     Full-text available via subscription   (Followers: 11)
Applied Nanoscience     Open Access   (Followers: 10)
Applied Solar Energy     Hybrid Journal   (Followers: 12)
Archives of Thermodynamics     Open Access   (Followers: 4)
Artificial Photosynthesis     Open Access  
Atomic Energy     Hybrid Journal   (Followers: 5)
Atoms for Peace: an International Journal     Hybrid Journal   (Followers: 4)
Batteries     Open Access  
Biofuels     Hybrid Journal   (Followers: 9)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 6)
Bulletin de droit nucleaire     Full-text available via subscription   (Followers: 1)
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 13)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 20)
Carbon Management     Hybrid Journal   (Followers: 6)
Catalysis for Sustainable Energy     Open Access   (Followers: 2)
CERN courier. International journal of high energy physics     Free  
Chain Reaction     Full-text available via subscription  
Clefs CEA     Full-text available via subscription   (Followers: 1)
Computational Water, Energy, and Environmental Engineering     Open Access   (Followers: 2)
Continental Journal of Renewable Energy     Open Access   (Followers: 11)
Current Sustainable/Renewable Energy Reports     Hybrid Journal   (Followers: 4)
Dams and Reservoirs     Hybrid Journal   (Followers: 3)
Development of Energy Science     Open Access   (Followers: 3)
Distributed Generation & Alternative Energy Journal     Hybrid Journal   (Followers: 1)
E3S Web of Conferences     Open Access  
Economics and Policy of Energy and the Environment     Full-text available via subscription   (Followers: 3)
Electrical and Power Engineering Frontier     Open Access   (Followers: 9)
Energy     Partially Free   (Followers: 26)
Energy & Fuels     Full-text available via subscription   (Followers: 25)
Energy and Buildings     Hybrid Journal   (Followers: 7)
Energy and Emission Control Technologies     Open Access  
Energy and Environment Focus     Free  
Energy and Environment Research     Open Access   (Followers: 9)
Energy and Environmental Engineering     Open Access  
Energy and Power     Open Access   (Followers: 3)
Energy and Power Engineering     Open Access   (Followers: 10)
Energy Conversion and Management     Hybrid Journal   (Followers: 8)
Energy Efficiency     Hybrid Journal   (Followers: 11)
Energy Harvesting and Systems : Materials, Mechanisms, Circuits and Storage     Hybrid Journal   (Followers: 1)
Energy Journal The     Full-text available via subscription  
Energy Law Journal     Full-text available via subscription   (Followers: 2)
Energy Materials: Materials Science and Engineering for Energy Systems     Hybrid Journal   (Followers: 19)
Energy Policy     Partially Free   (Followers: 47)
Energy Prices and Taxes     Full-text available via subscription   (Followers: 5)
Energy Procedia     Open Access   (Followers: 4)
Energy Research & Social Science     Full-text available via subscription  
Energy Science & Engineering     Open Access   (Followers: 4)
Energy Science and Technology     Open Access   (Followers: 12)
Energy Strategy Reviews     Partially Free   (Followers: 6)
Energy Studies Review     Open Access   (Followers: 4)
Energy Systems     Hybrid Journal   (Followers: 11)
Energy Technology     Partially Free   (Followers: 3)
Energy Technology & Policy     Open Access  
Energy, Sustainability and Society     Open Access   (Followers: 19)
Environmental Progress & Sustainable Energy     Hybrid Journal   (Followers: 5)
EPJ Photovoltaics     Open Access   (Followers: 1)
Facta Universitatis, Series : Electronics and Energetics     Open Access  
Foundations and Trends® in Renewable Energy     Full-text available via subscription   (Followers: 1)
Frontiers in Energy     Hybrid Journal   (Followers: 4)
Frontiers in Energy Research     Open Access   (Followers: 1)
Fuel and Energy Abstracts     Full-text available via subscription   (Followers: 5)
Functional Materials Letters     Hybrid Journal   (Followers: 1)
Gcb Bioenergy     Hybrid Journal   (Followers: 3)
Geothermal Energy     Open Access   (Followers: 1)
GeoWorld     Full-text available via subscription   (Followers: 2)
Green     Full-text available via subscription   (Followers: 2)
IEA Electricity Information     Full-text available via subscription   (Followers: 5)
IEA Natural Gas Information     Full-text available via subscription   (Followers: 4)
IEEE Power and Energy     Full-text available via subscription   (Followers: 12)
IEEE Transactions on Energy Conversion     Hybrid Journal   (Followers: 7)
IEEE Transactions on Nuclear Science     Hybrid Journal   (Followers: 7)
IEEE Transactions on Power Systems     Hybrid Journal   (Followers: 11)
IET Power Electronics     Hybrid Journal   (Followers: 13)
Ingeniería Energética     Open Access  
Innovations : Technology, Governance, Globalization     Hybrid Journal   (Followers: 6)
International Journal of Alternative Propulsion     Hybrid Journal   (Followers: 1)
International Journal of Ambient Energy     Hybrid Journal   (Followers: 2)
International Journal of Applied Power Engineering     Open Access   (Followers: 2)
International Journal of Clean Coal and Energy     Open Access   (Followers: 4)
International Journal of Coal Science & Technology     Open Access  
International Journal of Critical Infrastructure Protection     Hybrid Journal   (Followers: 5)
International Journal of Electric and Hybrid Vehicles     Hybrid Journal   (Followers: 5)
International Journal of Emerging Electric Power Systems     Full-text available via subscription   (Followers: 5)
International Journal of Emerging Multidisciplinary Fluid Sciences     Full-text available via subscription  
International Journal of Energy and Environmental Engineering     Open Access   (Followers: 2)
International Journal of Energy and Power     Open Access   (Followers: 7)
International Journal of Energy and Statistics     Hybrid Journal  
International Journal of Energy Engineering     Open Access   (Followers: 12)
International Journal of Energy Research     Hybrid Journal   (Followers: 10)
International Journal of Energy Science     Open Access   (Followers: 1)
International Journal of Flow Control     Full-text available via subscription   (Followers: 3)
International Journal of Global Energy Issues     Hybrid Journal   (Followers: 6)
International Journal of Green Energy     Hybrid Journal   (Followers: 6)

        1 2 | Last

  Journal of Energy Technologies and Policy
  [6 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2224-3232 - ISSN (Online) 2225-0573
   Published by International Institute for Science, Technology and Education (IISTE) Homepage  [30 journals]
  • Pulverised Oil Palm Wood (Elaeis Guineensis) in Clay Body and Energy
           Generation in Ceramic Firing

    • Authors: Enoidem N. A. Udoh
      Abstract: The use of liquefied gas in firing ceramics is very clean, energy efficient, fast and desirable but costly.  Alternative energy is sought for. “Pulverized Oil Palm Wood (POPW) in Clay Body and Energy Generation in Ceramic Firing”, was used to determine and utilize wood (oil palm) for firing. This was added to clay body for improving the technique of firing, and reducing the dependency on liquefied gas.  The main objective of the study was to determine the effects of POPW in Clay Body and Energy Generation. To guide the study a research question and an hypothesis were developed.  The area of coverage was Akwa Ibom State of Nigeria . The method used was Experimental Design. An adopted clay body, and the POPW were analysed before usage. The POPW was added to the clay body (10 – 50%) to test its effects on the dependent variables. The temperatures were collected as data from the experiment. They were analyzed using independent t-test. The findings revealed with gas alone, and POPW augmented with gas, created differences in the energy generated.  In conclusion, the research findings revealed alternative energy in ceramic firing encouraging better ceramic production with economic output. Keywords: Pulverized Oil Palm wood, Energy Generation, wood in clay, Augmentation.
      Issue No: Vol. 5
       
  • Effect of AVR and PSS on Power System Transient Stability with Different
           Wind Generation Technologies

    • Authors: Roy Orenge, C. Maina Muriithi, George N. Nyakoe
      Abstract: In the last decade, wind generation has been the fastest growing energy source globally. However, higher penetration of wind energy into existing power networks raises concern for power system operators and regulators. In this paper, we investigate the effect of wind farms employing doubly-fed induction generators (DFIGs) on the transient stability of power systems. We carried out simulations to demonstrate and compare the transient performance of the standard 3-machine 9-bus system with and without wind power integration during a fault. We analyzed the generator technology mentioned, replacing one synchronous generator in the system. We also analyzed the mentioned system after introducing the automatic voltage regulators (AVR) and power system stabilizers (PSS) into the system. We simulated the system using DIgSILENT PowerFactory. Our results show that a better transient performance is achieved with the inclusion of DFIGs in the system. There is also a further improvement of the transient stability after including both the AVR and PSS in the simulations. Keywords: Squirrel cage induction generators, Doubly-fed induction generators, Transient stability, Automatic Voltage Regulator, Power System Stabilizer.
      Issue No: Vol. 5
       
  • Life Cycle Cost Analysis for the Economic Viability for Solar and National
           Grid for Powering BTS

    • Authors: P.O Otasowie, P.I Ezomo
      Abstract: In this work, an analysis of BTS power supply cost between solar photovoltaic (PV) system and National Grid in Nigeria. The BTS power supply cost analysed include cost of BTS power equipment acquisition, operation and maintenance.The methodology used in this work was to visit a BTS and access the load demand. The demand was now used to compute the life cycle cost for PV system and the National grid system. The result obtained shows that the cost of the National grid system was N47, 665,843.00  which was far cheaper compare to solar PV at N239.51M but because National grid power is epileptic and unsatisfactory. Solar PV is proposed to be used to power BTS in Nigeria Keywords :photovoltaic system, National Grid, Base Transceiver Station, Life Cycle Cost, Solar Array etc.
      Issue No: Vol. 5
       
  • Experimental Performance Analysis of Six Cylinder Turbocharged Diesel-Cng
           Dual Fuel Engine

    • Authors: R.R. SARAF, S.S. THIPSE, P.K. SAXENA
      Abstract: Dual fuel engine is internal combustion engine which works with two fuels simultaneously. Automobile sector is facing challenge of fossil fuel depletion & reducing harmful emissions to meet stringent environmental norms. Alternate fuels like CNG have capabilities of reducing exhaust emissions from automobiles.CNG has other advantages like lower cost as compared to gasoline & diesel, less noise due to high octane no & clean combustion properties. Diesel-CNG Dual fuel engines offer number of potential advantages like fuel flexibility, lower emissions, higher compression ratio and better efficiency. This paper is based on experimental work done on six cylinder turbocharged engine converted to dual fuel engine by using dual fuel kit from M/s Best Prins, Netherlands. Engine was tested on AVL PUMA engine testing system and emissions were measured on AVL emission measuring equipment. 13 mode ESC test was conducted in diesel mode & dual fuel mode. All points were optimized for engine performance & emissions. Optimized engine parameters & emissions were measured. It was observed that, it was possible to achieve engine performance near toBS III emission norms. Engine testing was carried out at ARAI, pune, India. Keywords : Dual fuel, Emission analysis, Performance CNG, Diesel
      Issue No: Vol. 5
       
  • Impact of Power Outages on Developing Countries: Evidence from Rural
           Households in Niger Delta, Nigeria

    • Authors: Hachimenum Nyebuchi Amadi
      Abstract: Nigeria is suffering from the worst energy crisis in its history, resulting in its rural communities being subjected to massive power outages, daily. Energy promotes economic well-being and makes social life worthwhile such that youths are less disposed to violent crimes. This study investigated the consequences of power outages on the social-economic life of rural households in the Niger Delta region of Nigeria. Primary data were collected through a semi-structured questionnaire circulated among unemployed youth, students, housewives, businessmen and professionals in the area. The study focused on the relationship between power outage and its impact on the everyday life of the people. This study adopted a descriptive research design using 1000 randomly selected members of 44 rural households in the areas mostly affected by incessant power outages. It was found that stunted economic growth, reduced leisure time as well as heightened criminality and insecurity are some of the major results of rampant power outages among rural households in the Niger Delta. It is concluded that power outages have severe negative impact on the social and economic lives of the people. The findings from this research would help improve the outlook of rural communities in Nigeria and other developing countries. Keywords : Nigeria, Power outage, Energy, Electricity, Rural households  
      Issue No: Vol. 5
       
  • Effects of Bath Temperature on Cooling Rate, Mechanical Properties and
           Microstructure of Medium Carbon Steel during Quenching Operations

    • Authors: J.B. Agboola, O.K. Abubakre, E. Mudiare, M.B. Adeyemi
      Abstract: The effects of variations of bath temperatures of Selected Nigerian Vegetable oils on cooling rates, mechanical properties and microstructure of the quenched steel samples were investigated in this work. Cooling curves at different bath temperatures have been experimentally determined. From the cooling curves, the cooling ability variations were then analysed. The results obtained show that increasing bath temperatures increased the cooling rates of the quenched steel. These cooling rates are found to enhance mechanical strength with limited ductility of the quenched carbon steel. The hardness and tensile strength for palm kernel quenched sample increased from 40.8 HRC to 43 HRC. However, percentage elongation and impact values decreased from 0.28% to 0.21% and 9.5 N/mm2 to 7.5 N/mm2 respectively as bath temperature increases from 35 °C to 100 ºC. The results also showed that the microstructure of the quenched steel samples can be changed and significantly improved by varying the bath temperature. Reasons for variation in mechanical properties and microstructure are discussed. Keywords: Quenching, temperature, vegetable oil, steel, cooling rate, mechanical properties.  
      Issue No: Vol. 5
       
  • Numerical Investigation of the Combined Impact of Reactor Pressure and
           Heating Rate on Evolution and Yields of Biomass Pyrolysis Products in
           Thermally Thin Regime

    • Authors: Pious O. Okekunle, Emmanuel A. Osowade, Joseph O. Oyekale
      Abstract: Combined effects of reactor pressure (0.0001, 0.01, 1, 10, 100 atm) and heating rate (10, 20, 30, 40 and 50 K/s) on biomass pyrolysis characteristics at a final reactor temperature of 973 K in thermally thin regime have been numerically investigated. Wood pellets (  were modeled as two-dimensional porous solids. Transport equations, solid mass conservation equations, intra-particle pressure generation equation and energy conservation equation were coupled and simultaneously solved to simulate pyrolysis. Solid mass conservation equations were solved by first order Euler Implicit Method (EIM). Finite Volume Method (FVM) was used to discretize the transport, energy conservation and pressure generation equations, and the resulting linear simultaneous equations were solved by Tri-Diagonal Matrix Algorithm (TDMA). Intra-particle fluid flow velocity was estimated by Darcy’s law. Results showed that pressure does not have any significant effect on biomass primary disintegration reactions at all heating rates. Increase in heating rate accelerated the rate of biomass primary conversion. In the vacuum region, increase in pressure did not have any significant effect on tar, gas and secondary tar release rates and yields at all heating rates. Increase in pressure from vacuum to atmospheric, and from atmospheric to pressurized condition diminished tar release rate and yield but favoured gas and secondary tar release rates and yields at all heating rates. Findings further showed that volatiles intra-particle secondary reactions products generation rates at atmospheric and pressurized conditions were ten times and over higher than those at vacuum conditions. It was concluded that at and above atmospheric pressure conditions, pressure can significantly influence the rate of generation, yield and percentage composition of product species. Keywords: Biomass, pyrolysis, pressure, heating rate, intra-particle secondary reactions
      Issue No: Vol. 5
       
  • Challenges Affecting Performance of Supply Chain Systems in the Petroleum
           Industries in Kenya

    • Authors: Anthony Osoro
      Abstract: The purpose of this study was to establish the challenges affecting performance of supply chain systems in the petroleum industries in Kenya. The study was used to exam several parameters that affected’ Supply chain performance in Kenya resulting to often oil shortages. This has been occasioned by globalization which was intensifying competition and increased the mobility of high skilled personnel yet oil companies depend on the staff for success and sustainability. Specifically, the objectives of the study was to establish whether how these factors; level of skills, information and communication technology has effect on supply chain systems, This is a conceptual paper and the methodology used is analytical data after collection from the sample size targeted by the researcher in which in depth literature review is done to highlight how companies can incorporate performance of supply chain tools in their supply chains systems. The study was conducted using a survey design. A census of all the registered 73 oil companies was conducted. Data was collected by use of instruments. This involved both structured and semi-structured questions.  Data was analyzed mainly by use of descriptive and inferential statistic such as mean and standard deviation. This was more than the generally recommended sample size of 100 cases for statistical data analysis (Kothari, 2011). Inferential statistics including correlation, multiple regressions enter method and multiple regressions (Stepwise) for moderation analysis. Qualitative and Quantitative data was put into categories based on themes that was aligned to thesis objectives and was integrated in the findings. Keywords ' Supply chain systems, level of skills, information communication and technology
      Issue No: Vol. 5
       
  • Theoretical Aspects of Biomass Briquetting: A Review Study

    • Authors: Oladeji; J. T.
      Abstract: The existing burden on biomass resources, the negative impacts on the environment and the problems of energy supply could be alleviated by undertaking comprehensive alternative energy technologies for decentralized application. One of such viable and promising technologies is briquetting, which is used to extract biomass energy and convert it into a more useful form through densification in order to facilitate handling, storage and transportation. Briquette, which is final product of biomass briquetting, has a wide variety of use from household to industrial. Therefore, this paper reviews biomass briquetting, its technology and fundamental principles. The advantages as well as its drawbacks are also examined along with the factors that can influence biomass briquetting. The review study concluded that briquetting is one of viable means of converting biomass residues into renewable energy and that the quality of briquettes depends on the type of the biomass feedstock used and operating conditions such as moisture content, temperature and addition of substrates as well as particle size. Keywords: agricultural wastes, briquetting, briquette, briquette charcoal, densification, deforestation.  
      Issue No: Vol. 5
       
  • Optimization Model of Decentralized Energy Planning Based Local Resources
           for Sustainable Rural Development in Malang District of East Java

    • Authors: Rahaju Saraswati, Nyoman Puspa Asri, Rini Oktavera, Soffia Pudji Estiasih
      Abstract: This research will be the development of optimization models Decentralized Energy Planning in Malang in East Java , Malang regency due to the potential in the livestock sector and the Agriculture of substantial , but in 2011 there were 42 villages that still have not been electrified villages spread over 29 in 13 districts .
      The purpose of the development of optimization models Decentralized Energy Planning , in this study is to minimize costs and maximize efficiency district energy systems in poor rural East Java , maximizing the system reliability of renewable energy sources technologies , minimizing the use of petroleum products and maximize the use of existing local resources Malang district of East Java . Research also has the goal of environmental protection is the minimization of greenhouse gas emissions such as CO2 and NO . For rural energy planning in this study , used the Long- range Energy Alternatives Planning System ( LEAP ) which is based on the model of Linear Programming .This research has been conducted on the analysis of the energy situation in Malang in East Java . Sources of electrical energy are still not able to optimally meet the needs of the community in Malang East Java . But non- commercial energy such as biodiesel , and alternative energy such as micro-hydro power plant personnel has not been sought and utilized optimally . And also known elasticity of energy consumption in Malang on GDP at constant prices is bad , that is within the range of values which is above the 1.3 national energy elasticity . To describe the energy system in Malang district of East Java modules used in LEAP . Keyword s : Decantralized  Energy Planning, Pertanian, Pembangunan Pedesaan, Berbasis daerah, Sustainable Development
      Issue No: Vol. 5
       
  • Journal Cover Page

    • Authors: Journal Editor
      Abstract: Journal Cover Page
      Issue No: Vol. 5
       
  • A Comparative Study of the Performance of Water Hyacinth (Eichhornia
           Crassipes) and Water Lettuce (Pistias Stratiotes) in the Remediation of
           Produced Water

    • Authors: P. I. Edaigbini, S. E. Ogbeide, O. A. Olafuyi
      Abstract: The study presents the characteristics of produced water obtained from a detention pit in the Niger Delta region of Nigeria. Phytoremediation, an emerging remediation technology for contaminated soils, groundwater, surfacewater and wastewater that is both low-tech, low-cost, and environmental friendly have been employed in this study. Two aquatic macrophytes: water hyacinth (Eichhornia crassipes) and water lettuce (Pistias stratiostes) have been used to remediate this produced water harmless in the environment. The two aquatic macrophytes were comparatively studied to determine their effectiveness in remediation without the use of fertilizers to sustain their growth. Also, physico-chemical parameters were compared with standard discharge limits stipulated by the Department of Petroleum Resources (DPR). Parameters such as pH, EC, salinity, TDS, TSS, DO, BOD, COD, turbidity, sulphate, phosphate, ammonia, oil and grease, Cu, Pb, Cr, Zn, Fe, and total coliform of the produced water have been studied using standard protocol of APHA and ASTM. The physico-chemical analysis revealed that most of the parameters were above the permissible limits and that water hyacinth made a better clean up than water lettuce. One-way ANOVA analysis of variance was used to test for significant difference. Recommendations were also made for better cleanup goals and plants survivals. Key w ords: produced water, phytoremidiation, aquatic macrophytes, water lettuce, water hyacinth, contaminants.
      Issue No: Vol. 5
       
 
 
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