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  Subjects -> ENERGY (Total: 247 journals)
    - ENERGY (162 journals)
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ENERGY (162 journals)                  1 2 | Last

Advances in Building Energy Research     Hybrid Journal   (Followers: 11)
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: 5)
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: 10)
Applied Nanoscience     Open Access   (Followers: 8)
Applied Solar Energy     Hybrid Journal   (Followers: 12)
Archives of Thermodynamics     Open Access   (Followers: 4)
Atomic Energy     Hybrid Journal   (Followers: 6)
Atoms for Peace: an International Journal     Hybrid Journal   (Followers: 3)
Biofuels     Hybrid Journal   (Followers: 7)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 5)
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: 5)
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: 10)
Current Sustainable/Renewable Energy Reports     Hybrid Journal   (Followers: 3)
Dams and Reservoirs     Hybrid Journal   (Followers: 3)
Development of Energy Science     Open Access   (Followers: 2)
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: 1)
Electrical and Power Engineering Frontier     Open Access   (Followers: 8)
Electronic Journal of Energy & Environment     Open Access   (Followers: 9)
Energy     Partially Free   (Followers: 22)
Energy & Fuels     Full-text available via subscription   (Followers: 24)
Energy and Buildings     Hybrid Journal   (Followers: 7)
Energy and Environment Research     Open Access   (Followers: 8)
Energy and Power Engineering     Open Access   (Followers: 9)
Energy Conversion and Management     Hybrid Journal   (Followers: 7)
Energy Efficiency     Hybrid Journal   (Followers: 11)
Energy Policy     Partially Free   (Followers: 42)
Energy Prices and Taxes     Full-text available via subscription   (Followers: 5)
Energy Procedia     Open Access   (Followers: 2)
Energy Science & Engineering     Open Access   (Followers: 3)
Energy Science and Technology     Open Access   (Followers: 11)
Energy Strategy Reviews     Partially Free   (Followers: 5)
Energy Studies Review     Open Access   (Followers: 3)
Energy Systems     Hybrid Journal   (Followers: 9)
Energy Technology     Partially Free   (Followers: 3)
Energy, Sustainability and Society     Open Access   (Followers: 16)
Environmental Progress & Sustainable Energy     Hybrid Journal   (Followers: 4)
EPJ Photovoltaics     Open Access   (Followers: 1)
Frontiers in Energy     Hybrid Journal   (Followers: 3)
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: 1)
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: 11)
IEEE Transactions on Energy Conversion     Hybrid Journal   (Followers: 6)
IEEE Transactions on Nuclear Science     Hybrid Journal   (Followers: 7)
IEEE Transactions on Power Systems     Hybrid Journal   (Followers: 10)
IET Power Electronics     Hybrid Journal   (Followers: 9)
IngenierĂ­a EnergĂ©tica     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 Critical Infrastructure Protection     Hybrid Journal   (Followers: 5)
International Journal of Electric and Hybrid Vehicles     Hybrid Journal   (Followers: 4)
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: 6)
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: 2)
International Journal of Global Energy Issues     Hybrid Journal   (Followers: 7)
International Journal of Green Energy     Hybrid Journal   (Followers: 5)
International Journal of Hydrogen Energy     Partially Free   (Followers: 9)
International Journal of Marine Energy     Full-text available via subscription   (Followers: 2)
International Journal of Nuclear Desalination     Hybrid Journal   (Followers: 2)
International Journal of Nuclear Energy Science and Technology     Hybrid Journal   (Followers: 2)
International Journal of Nuclear Governance, Economy and Ecology     Hybrid Journal   (Followers: 2)
International Journal of Nuclear Hydrogen Production and Applications     Hybrid Journal   (Followers: 1)
International Journal of Nuclear Knowledge Management     Hybrid Journal   (Followers: 2)
International Journal of Power and Energy Conversion     Hybrid Journal   (Followers: 3)
International Journal of Regulation and Governance     Hybrid Journal   (Followers: 2)
International Journal of Sustainable Energy     Hybrid Journal   (Followers: 9)
International Journal of Sustainable Energy Planning and Management     Open Access  
International Journal of Sustainable Engineering     Hybrid Journal   (Followers: 7)
International Journal of Thermodynamics     Open Access   (Followers: 2)
ISRN Power Engineering     Open Access   (Followers: 1)
ISRN Renewable Energy     Open Access  
Journal of Alternate Energy Sources & Technologies     Full-text available via subscription   (Followers: 1)

        1 2 | Last

Journal of Energy Technologies and Policy
   Journal TOC RSS feeds Export to Zotero [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]
  • Well Log Segmentation in Spectral Domain

    • Authors: Classic well log interpretation involves, Olatunbosun Alao, Rosemary Idoko, Funmi Oladapo
      Abstract: Classic well log interpretation involves direct horizon mapping using log signature, attributes cross plot, etc to produce lithologic section for the delineation, exploration and production of hydrocarbon in oil and gas fields. The methods operate on recorded lithologic logs without adequate calibration. These result in interpretational ambiguities because of relatively poor resolution of well log owing to its recording in time, under sampling and coarse processing. In this paper, a new technique and algorithm for segmenting well log using discrete Fourier transform in the interpretation of well data obtained from the Niger Delta is presented. The aims and objectives of the study are to segment well logs into their constituent lithology in time domain, transform the well data from time to frequency domain and segment, and deduce viable diagnostic attributes such as magnitude, phase and frequency from the transform coefficients which could be used to identify the most probable zonation/contact in the well. The algorithm adopts Short time Fourier transform technique in the time to frequency transformation and is implementable on both standard and general seismic and well log interpretational platforms. It directly computes the spectral equivalent of the adopted lithologic log (Gamma-ray) and recovers hitherto lost frequency information. The results of the spectral decomposition of the well data yielded frequency (pseudo) logs that reveal subtle sub-well horizons and differences in lithology. By revealing masked horizons and better delineating and delimiting reservoirs, more hydrocarbons will be recovered and field development will be enhanced. Keywords: Fourier transform, Spectral decomposition
      Issue No: Vol. 4
  • Thermal Behavior of Double Skin Buildings

    • Authors: Jamaledin Mahdinejad, Mohammadjavad Mahdavinejad, Sima Rezaei Ashtiani
      Abstract: Most energy losses will be made by skins, so offering optimized solution helps in energy saving. Glass as outdoor skin is considered the weakest part of building from energy loss viewpoint. Therefore a solution should be found to minimize energy losses in building meanwhile providing natural light. Double skin facades as a suitable solution for achieving this goal are considerable. Buildings with double skin façade can have better function than normal skin façade. So, this article is focused on thermal function of different forms of these buildings. This article by studying behavior of different forms intends to analyze the effect of general form of building on thermal function of double skin façade and attempt to categorized different situations so that recognize situations and conditions which may tangle classic behavior of double skin facades. Research method is quasi-experimental. Statistical population includes studying features of 10 building forms. The result of this analytical approach indicates classic function of double skins changes with change of general form of building. Keywords: energy saving, double skin facades, thermal behavior, building forms
      Issue No: Vol. 4
  • Acoustic Output as Measured by Thermal and Mechanical Indices and its
           Bio-effect During Ultrasound Scanning in Obstetrics

    • Authors: Abdalla A. Eljaaidi, M.T.E. Kahn
      Abstract: While ultrasound (US) is supposed to be totally safe, it is a form of energy. Diagnostic ultrasound (DUS) has the prospect to have effects on living tissues it crosses, such as bio-effects. The two most important mechanisms for effects are thermal and non-thermal, also called mechanical. These two main mechanisms are indicated on screen by two indices: the thermal index (TI) and the mechanical index (MI), to express the potential for rise in temperature at the ultrasound’s focal point and the probability of harm from the mechanical effects such as cavitation. It is important to understand bio-effects of acoustic output during ultrasound scanning in obstetrics. This paper identifies the need for users of ultrasound to understand thermal and mechanical indices appearing on ultra-sound screens. Some users do not use the indices and others do not know or are unaware of their importance. Keywords: ultrasound, acoustic output, bio-effects, thermal index, mechanical index, safety, fetus, diagnostic ultrasound.
      Issue No: Vol. 4
  • Photovoltaic Generating System Parameter Sizing for Building

    • Authors: O. S. Babalola, O. A. Komolafe, O. O. Jegede, M. A. Ayoola
      Abstract: Small to medium sized battery storage required to address the intermittency challenge of the energy of solar radiation could be achieved by appropriate sizing of the photovoltaic system parameters like photovoltaic module (PVM) number and battery capacity. This paper presents the results of evaluation of the optimum parameter values in sizing of stand-alone photovoltaic (PV) system that satisfies building energy demand, with almost zero Loss of Power Supply Probability (LPSP). A time step simulation of system performance based on energy balance for various combinations of PV numbers and battery capacities was employed. (Three seasons of operation were considered; rainy, hot and hot/dry). The rainy season result indicating high storage capacity requirement of about (2500-Ah), is of highest cost compared to other seasons. Stand-alone photovoltaic system size that will assuage the intermittency challenge; mitigate peak demand costs and provide near zero LPSP was determined. Keywords: loss of power supply probability, photovoltaic, energy demand, parameter sizing, stand-alone
      Issue No: Vol. 4
  • A Study on Agricultural Residues as a Substitute to Fire Wood in Kenya: a
           Review on Major Crops

    • Authors: Stephen K. Kimutai, Alex M. Muumbo, Zachary O. Siagi, Ambrose K. Kiprop
      Abstract: For Kenya, the use of fire wood is enormous that the exploitation of other energy resources such as biomass from agricultural residues is little known. Therefore, the main aim of this study is to investigate agricultural residues estimates for use as a substitute to fire wood and charcoal in Kenya. This solution is in line to the urgent needs of finding the alternative for the depleting fossil fuels. The study found that Kenya agricultural residue energy potential is about 187,000 TJ which enough to substitute fire wood in most regions if converted with suitable technologies. If all the available agricultural residues are used as substitution fuel for fire wood, Kenya could reinstate the 10% forest cover as recommended from the current 1.7%.
      Issue No: Vol. 4
  • Improved Performance of Electric Transmission Concrete Poles for National
           Integrated Power Project (NIPP) in Nigeria

    • Authors: Roland Uhunwangho, Kenneth Okedu, Mong Umazi Uka
      Abstract: This paper deals with the testing of electric transmission concrete poles. The Dillon (precision Electronic Dynamometer family) used was inspected and was certified to be in perfect condition before testing commenced. 1000 concrete poles were tested arranged in batches of 400 and 300poles. These poles were arranged in such a manner that the markings, serial numbers e.t.c., with pole positions are easily seen. Also the poles were stacked in such a manner that any pole selected for testing was easily drawn out.  All poles tested satisfied the standard acceptance criteria to withstand any concrete pole failure for the National Integrated Power Project (NIPP) electrification purpose based on the experimental validations carried out for different actual applied loads plotted again the pole deflection. Keywords: NIPP, Concrete pole, testing, acceptance criteria, On-site assessment
      Issue No: Vol. 4
  • Energy Efficient Lighting: Luminance Assessments of CFLs and Incandescent

    • Authors: Ezemonye L.I.N, Edeko F.O, Itabor N.A, Olatuji J, Ogbomida E.T, Emeribe C.N
      Abstract: Concerns about energy security, air pollution, and climate change the government of Nigeria is promoting policies that are focus on the need for energy conservation and clean energy promotion. This focus has resulted in a proliferation of high-level national initiatives on energy efficiency, renewable energy, energy security, and energy cooperation in the region. Of the many available technological options is the compact fluorescent lamp (CFL) which can directly replace a standard incandescent lamp. Increasing the efficiency of installed lighting lamps through the adoption of CFL efficient technology is an effective method to reduce peak demand and save wastage in residential section, where an estimated 15.3 million households lack access to grid electricity. The greatest advantage of the CFLs is its energy efficiency during use, with much less energy lost to heat. The CFLs typically convert about 45% of the electricity to visible light, whereas the incandescent bulbs only about 10%. This study attempts to evaluate and compare the Luminance of the CFLs acquired through ECN/ECOWAS/CUBA agreement, CFLs from other manufacturers and incandescent lamps. Keywords: Compact fluorescent lamp (CFL, Energy efficiency, incandescent Lamps energy conservation
      Issue No: Vol. 4
  • Issues and Challenges in the Nigerian Electricity Industry: Case of Benin
           Electricity Distribution Company

    • Authors: Roland Uhunmwagho, Kenneth E. Okedu
      Abstract: Benin Electricity Distribution Company covers four states, viz: Edo, Delta, Ondo and Ekiti with its headquarters in Benin City. It presently has eighteen districts. This paper addresses and proffers solutions to some of the major issues and challenges in the Nigerian electricity industry considering the Benin electricity distribution company in the South West zone of Nigeria. The status of transmission, distribution and commercial activities in this zone were analyzed. Recommendations were made to improve or focus on the remedies which would help solve the erratic power supply in the region in particular, and in the country in general, if these measures could be extended to other geopolitical electricity companies. Keywords: Nigerian electricity, distribution, transmission, network and substation
      Issue No: Vol. 4
  • Daylight Parameters and Operation Quality Case Studies: Public Office
           Buildings in Kerman, Iran

    • Authors: Mohammadjavad Mahdavinejad, Mehran Gharaati, Ali Yazhari Kermani
      Abstract: Most of existing government office building in Iran were designed and built without enough consideration to the daylight design. Therefore a lot of electricity energy should be used to provide visual comfort in office rooms in government office buildings. Due to location of Kerman City of Iran, There are a lot of solar radiation in whole year during working hours in exterior spaces. In this research daylight quality of 4 office rooms in 2 government office buildings in Kerman city of Iran were investigated through experimental measurement and calculating some daylight parameters such as mean Work PlaneIlluminance (WPI), Work Plane Illuminance Ratio (WPI Ratio) and daylight Ratioin two conditions when lights were on and off. Finding of this research reveals that most of office building in government building cannot reach the acceptable range of different parameters of daylight even though lights were on. Therefore research about daylight quality in office rooms in this region is an important issue to be investigated to find different methods and solutions for improving daylight quality in office rooms. Keywords: Daylight Quality, Government Office buildings, Working Plane Illuminance, Working Plane Illuminance Ratio, Daylight Factor
      Issue No: Vol. 4
  • Implementation of Standard Solar PV Projects in Nigeria

    • Authors: A S. Sambo, I. H. Zarma, P. E. Ugwuoke, I . J. Dioha, Y . M. Ganda
      Abstract: The basic operating principle of Photovoltaic device is the conversion of solar irradiation into electricity. There are several applications of this principle. In Nigeria, most solar PV projects are designed for street lighting, water pumping and general stand-alone/minigrid rural electrifications. However, several solar PV projects being installed in various parts of this country fail to meet the minimum life-span due to a number of limiting factors. These include poor or improper fundamental design, use of sub-standard components, adoption of poor installation procedure by inexperienced personnel, bad construction/civil works among other factors. This has become a problem in the country and many are beginning to feel disgusted with solar PV projects as the heavy investments in such projects do not seem to be commensurate with their performances and satisfactions derivable. This paper therefore presents an overview of the performances of solar PV projects and a concise procedural approach to the implementation of standard solar PV projects in the country. In-depth analysis of performances of existing systems was also considered and the limiting factors identified with specific recommendations for improvement. We believe that if power projects are designed and executed properly by experienced technical experts, using the appropriate components and best technical procedures, standard PV projects with maximum performance output could be achieved.
      Issue No: Vol. 4
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