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Publisher: Horizon Research Publishing   (Total: 54 journals)   [Sort by number of followers]

Showing 1 - 54 of 54 Journals sorted alphabetically
Advances in Diabetes and Metabolism     Open Access   (Followers: 21)
Advances in Economics and Business     Open Access   (Followers: 13)
Advances in Energy and Power     Open Access   (Followers: 13)
Advances in Pharmacology and Pharmacy     Open Access   (Followers: 6)
Advances in Signal Processing     Open Access   (Followers: 12)
Advances in Zoology and Botany     Open Access  
Bioengineering and Bioscience     Open Access   (Followers: 1)
Cancer and Oncology Research     Open Access   (Followers: 10)
Chemical and Materials Engineering     Open Access   (Followers: 18)
Civil Engineering and Architecture     Open Access   (Followers: 22)
Computational Research     Open Access   (Followers: 1)
Computer Science and Information Technology     Open Access   (Followers: 13)
Energy and Environmental Engineering     Open Access   (Followers: 7)
Environment and Ecology Research     Open Access   (Followers: 8)
Food Science and Technology     Open Access   (Followers: 3)
Immunology and Infectious Diseases     Open Access   (Followers: 9)
Intl. J. of Biochemistry and Biophysics     Open Access   (Followers: 1)
Intl. J. of Cardiovascular and Cerebrovascular Disease     Open Access   (Followers: 2)
Intl. J. of Neuroscience and Behavioral Science     Open Access   (Followers: 1)
Linguistics and Literature Studies     Open Access   (Followers: 4)
Manufacturing Science and Technology     Open Access   (Followers: 3)
Mathematics and Statistics     Open Access   (Followers: 5)
Nanoscience and Nanoengineering     Open Access   (Followers: 1)
Natural Resources and Conservation     Open Access   (Followers: 6)
Nursing and Health     Open Access   (Followers: 4)
Open J. of Dentistry and Oral Medicine     Open Access  
Sociology and Anthropology     Open Access   (Followers: 5)
Sport and Art     Open Access   (Followers: 1)
Universal J. of Accounting and Finance     Open Access   (Followers: 2)
Universal J. of Agricultural Research     Open Access   (Followers: 1)
Universal J. of Applied Mathematics     Open Access   (Followers: 5)
Universal J. of Applied Science     Open Access   (Followers: 2)
Universal J. of Biomedical Engineering     Open Access  
Universal J. of Chemistry     Open Access  
Universal J. of Clinical Medicine     Open Access  
Universal J. of Communications and Network     Open Access   (Followers: 1)
Universal J. of Computational Mathematics     Open Access   (Followers: 5)
Universal J. of Control and Automation     Open Access   (Followers: 3)
Universal J. of Educational Research     Open Access   (Followers: 1)
Universal J. of Electrical and Electronic Engineering     Open Access   (Followers: 6)
Universal J. of Engineering Science     Open Access   (Followers: 2)
Universal J. of Food and Nutrition Science     Open Access   (Followers: 5)
Universal J. of Geoscience     Open Access   (Followers: 4)
Universal J. of Industrial and Business Management     Open Access   (Followers: 1)
Universal J. of Management     Open Access   (Followers: 1)
Universal J. of Materials Science     Open Access   (Followers: 3)
Universal J. of Mechanical Engineering     Open Access   (Followers: 13)
Universal J. of Medical Science     Open Access  
Universal J. of Microbiology Research     Open Access  
Universal J. of Physics and Application     Open Access   (Followers: 2)
Universal J. of Plant Science     Open Access  
Universal J. of Psychology     Open Access   (Followers: 3)
Universal J. of Public Health     Open Access   (Followers: 2)
World J. of Computer Application and Technology     Open Access   (Followers: 3)
Journal Cover
Advances in Energy and Power
Number of Followers: 13  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2333-2700 - ISSN (Online) 2333-3278
Published by Horizon Research Publishing Homepage  [54 journals]
  • A CFD Analysis of Rectangular Winglet Vortex Generators in Heat Exchanger

    • Abstract: Publication date:  Sep 2017
      Source:Advances in Energy and Power  Volume  5  Number  3  Miftakh F. Hanifan   Gunawan Nugroho   Ridho Hantoro   and Sarwono   A good performance of the heat exchanger will support energy efficiency and economic sustainability. One way to improve heat transfer coefficient is to increase turbulent flow by using vortex generators. The addition of vortex generators on heat exchanger will pose wake on the flow field which then reduce the stability of thermal boundary layer and enhance heat transfer coefficient. The effect of winglet vortex generators with the variations of angle of attack (AoA) is studied in this research. Each variation is applied in a single row and three rows of inline configurations. The results show that the addition of vortex generators with 160o angle of attack and three rows of inline configuration improve heat transfer coefficient as 59% higher than conventional configurations.
      PubDate: Sep 2017
       
  • Influence of Different Metals Back Surface Field on BSF Silicon Solar Cell
           Performance Deposited by Thermal Evaporation Method

    • Abstract: Publication date:  Sep 2017
      Source:Advances in Energy and Power  Volume  5  Number  3  Rashed Al Amin   M. F. Pervez   M. N. H. Mia   M. Khalid Hossain   S. M. Rana   N. A. Khan   M. A. S. Haque   H. K. Ghosh   and M. Hoq   This paper presents comparison of thermal evaporation method based passivation and BSF formation with different materials (Au, Al, and Cu). Silicon solar cells with different rear surface contact using these materials were fabricated. A comprehensive comparison of the samples have been carried out to find better back surface contact regarding the efficiency by investigating I-V characteristics, fill factor, external quantum efficiency and carrier diffusion length and lifetime, etc. Experimental data revealed that Cu based back surface contact has maximum output efficiency of about 13.73%, whereas Au shows maximum external quantum efficiency of about 86%. Moreover, use of Al shows the maximum carrier diffusion length 97.2μm and highest carrier lifetime of 3.5μs with overall cell efficiency of 12.90% indicating that Al is a promising material for back contact for n+-p-p+ back surface field silicon solar cell.
      PubDate: Sep 2017
       
  • Biological Improvement of Coal: Formica rufa Enzymes over Mining Fluid and
           Rumen Liquid

    • Abstract: Publication date:  Nov 2017
      Source:Advances in Energy and Power  Volume  5  Number  4  Cemil Koyunoğlu   and Ece Polat   Biological remediation of coal is based on the principle that the coal is converted to water-soluble products of various molecular weights to neutral pH or alkaline conditions. There are many studies in the related literature on the process of conversion of the cargo into water-soluble molecules. In this study, Azdavay Coal which was a key energy raw material of Kardemir Demir Çelik Factory was examined using a novel biological treatment method. In the biological treatment of Azdavay Coal, coal was treated with Azdavay mining fluid, rumen liquid, and Formica rufa enzymes. In the results, an increase in the -OH group and a decrease in the fixed carbon value have occurred and the best efficient method was found as 2 days long Formica rufa treatment.
      PubDate: Nov 2017
       
  • A Detailed Comparison of the Outer-loop Control Performance at the
           Receiving End Station of VSC Based HVDC Transmission System

    • Abstract: Publication date:  Nov 2017
      Source:Advances in Energy and Power  Volume  5  Number  4  Aleisawee M. Alsseid   Abdulrahman A.A. Emhemed   and Mosa A. Abdesalam   The application of high voltage (HVDC) transmission for integrating large scale and/or off-shore wind generation systems with the electric grid is attractive in comparison to extra high voltage AC transmission systems due to a variety of reasons. A suitable control system is required for a VSC-HVDC system that provides good performance across a range of operating conditions. Two strategies are studied for their potential to enhance system robustness. The d-axis current control and DC power control are implemented in the outer-loop control at the receiving end of VSC-HVDC system. Small-signal analytical model is used to perform eigenvalues analysis and to design controllers. Both control techniques are investigated and the results are compared. An additional DC voltage droop control is added for both schemes. Its advantages were investigated. The droop gain and the cut off frequency of the DC voltage feedback filter are selected by analyzing the root locus of the analytical model to select the optimum values. It is established that d-axis current control with DC voltage droop control shows better performance practically for very weak AC system at both ends as well as with very long DC cable. The simulation results performed on PSCAD/EMTDC verify the feasibility of the control strategies effectively under different scenarios in order to confirm the obtained conclusions from analytical investigations.
      PubDate: Nov 2017
       
  • Sustainability of Renewable Sources of Energy for Rural Communities in
           Anambra State

    • Abstract: Publication date:  Nov 2017
      Source:Advances in Energy and Power  Volume  5  Number  4  Peter Uchenna Okoye   John Ugochukwu Ezeokonkwo   and Nworji, Godwin Chukwunonyelum   This study assessed the sustainability of different alternative renewable sources of energy for rural communities in Anambra State. Through literature review a number of sustainability criteria were established and used in assessing the identified alternative sources of renewable energy in the state. A systematic SWOT analysis was further performed to synthesise the characteristics of individual renewable energy resource. 42 experts were engaged and given a structured questionnaire where they were expected to score each of the renewable energy sources on a 5-point scale based on the selected sustainability criteria. A scale of 1-5 was used to examine and rate the sustainability of each of the identified renewable energy options based on environmental social and economic criteria. Based on their individual scores, the total average score for each of the energy sources was computed and used in rating their level sustainability. The study found that among the six alternative renewable energy options considered, biomass was ranked the most sustainable renewable energy source for electricity provision in rural communities in the state with a sustainability score of 35.0. Solar and hydro energy resources were ranked 2nd and 3rd with scores of 31.2 and 31.0 respectively, while geothermal (24.5) energy was ranked the least. This implies that harnessing and investing in biomass, solar and hydro energy technologies in Anambra State could lead to sustainable energy provision in the rural Communities in Anambra State. The study further avers that genuine commitment through government investments in biomass, solar and hydro energy technologies with strong policy framework could minimise the electricity challenges of the rural communities in the state, and at the same time reduce pressure on urban infrastructure due to rural-urban migration.
      PubDate: Nov 2017
       
  • Performance of Ceria-electrolyte Solid Oxide Fuel Cell Using Simulated
           Biogas Mixtures as Fuel

    • Abstract: Publication date:  Jul 2017
      Source:Advances in Energy and Power  Volume  5  Number  2  M.J. Escudero   and A. Fuerte   In this study, a samarium cerium electrolyte-supported solid oxide fuel cell (SOFC) was assembled with Ce0.8Sm0.2O2-δ (SDC) electrolyte, La0.58Sr0.4Fe0.8Co0.2O3-δ (LSCF) as cathode and WNi-Ce as anode. A porous layer of SDC between anode and electrolyte was used to improve adhesion of the anode ink. The cell performance was investigated with hydrogen and three simulated biogas mixtures (CH4 /CO2 /H2 70/25/5, 60/35/5 and 50/45/5) on the anode and static air on the cathode at 750℃. In addition, the effect of H2S (10ppm) incorporation in the biogas on the cell performance has been examined. The electrochemical behavior of the cell has been evaluated using IV curves, impedance spectroscopy and load demands. The results revealed that the best performance was obtained with the biogas composition richer in CH4 due to probably the higher catalytic activity of WNi-Ce in this operation condition. Furthermore, the addition of H2S in biogas causes an important decrease on the cell performance owing to the sulphuration reactions of anodic material. However, the stability tests under load demands revealed that the cell does not suffer degradation under any studied operation conditions (biogas composition and H2S in the fuel). This suggests that WNi-Ce could be a suitable anode material for ceria-electrolyte SOFC direct feeding of biogas.
      PubDate: Jul 2017
       
  • Innovative Activities of JSC 'Concern Rosenergoatom' to Ensure NPP Safety:
           Strategy and Plans to Implement Nuclear Knowledge Management

    • Abstract: Publication date:  Jul 2017
      Source:Advances in Energy and Power  Volume  5  Number  2  S.V. Eremin   N.V. Tikhonov   and A.Yu. Yuzhakov   The Russian operating organization Concern Rosenergoatom established a program for knowledge management (KM) implementation in the organization, as part of ROSATOM State Corporation KM activities [1]. The plan includes activities both in the framework of classic knowledge management cycle: detection, preservation, retention, sharing and transfer, as well as creation of new knowledge such as training programs for new build nuclear power plants. The approach embraces key techniques overviewed in IAEA documents on KM and ROSATOM strategical focus on the commercial use of R&D results and corporate knowledge and, thus, contributes to safe, reliable and efficient operation of NPPs.
      PubDate: Jul 2017
       
  • Construction of Photovoltaic Power Generation-storage System Using an
           Inverter with SiC FET and SBD

    • Abstract: Publication date:  Feb 2017
      Source:Advances in Energy and Power  Volume  5  Number  1  Takeo Oku   Yuji Ando   Masashi Yasuda   Yasuhiro Shirahata   Kazufumi Ushijima   and Mikio Murozono   A power storage system using spherical Si solar cells, lithium-ion battery and a direct current-alternating current (DC-AC) converter was constructed. A small and light inverter system was developed by combining a maximum power point tracking charge controller, direct current-direct current (DC-DC) converter, and DC-AC converter. Performance evaluation of the inverter system with SiC field-effect transistors (FET) and Schottky barrier diodes (SBD) was carried out, and the DC-AC conversion efficiencies and their stability of the inverter were improved compared with those of the ordinary Si-FET/SBD based inverter.
      PubDate: Feb 2017
       
  • Role of Maamora Nuclear Research Center to Develop Knowledge and Skills in
           Nuclear Applications

    • Abstract: Publication date:  Feb 2017
      Source:Advances in Energy and Power  Volume  5  Number  1  Taïb Marfak   and Houda Krafes   Operated by CNESTEN, the Maamora Nuclear Research Center MNRC includes a 2 MW nuclear reactor and a dozen of specialized nuclear techniques laboratories dedicated to earth sciences, human health, industry, safety and security, radioactive waste management, etc. According to the CNESTEN overall vision and its strategic objectives, modern human resources tools were established such as: competencies repository, systematic approach for training SAT, multi-annual training program, evaluation system, etc. This paper presents all the HR projects identified and developed targeting the CNESTEN scientific and technical staff. The objective is to sustain the CNESTEN activities by qualifying its human resources, developing knowledge and expertise at both the individual and collective levels [1].
      PubDate: Feb 2017
       
 
 
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