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Energies, Volume 12, Issue 3

February-1 2019 - 242 articles

Cover Story: Concentrated Solar Power can be used to run a two-step thermochemical cycle based on different red-ox materials, such as nickel–ferrite and cerium dioxide (ceria). The integration of a large number of reactors can be optimized by considering a suitable time displacement among the activation of the single reactors working in parallel. The comparison demonstrated that ceria achieves higher efficiency than nickel–ferrite. View this paper.
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Articles (242)

  • Article
  • Open Access
7 Citations
5,047 Views
20 Pages

12 February 2019

Mutual inductance between finite-length coaxial helical filaments and tape coils are presented analytically. In this paper, a mathematical model for finite-length coaxial helical filaments is established, and subsequently, the mutual inductance of th...

  • Article
  • Open Access
8 Citations
3,547 Views
22 Pages

Modeling a High Concentrator Photovoltaic Module Using Fuzzy Rule-Based Systems

  • Manuel Angel Gadeo-Martos,
  • Antonio Jesús Yuste-Delgado,
  • Florencia Almonacid Cruz,
  • Jose-Angel Fernandez-Prieto and
  • Joaquin Canada-Bago

12 February 2019

Currently, there is growing interest in the modeling of high concentrator photovoltaic modules, due to the importance of achieving an accurate model, to improve the knowledge and understanding of this technology and to promote its expansion. In recen...

  • Feature Paper
  • Article
  • Open Access
25 Citations
6,251 Views
32 Pages

HIRA Model for Short-Term Electricity Price Forecasting

  • Marin Cerjan,
  • Ana Petričić and
  • Marko Delimar

12 February 2019

In competitive power markets, electric utilities, power producers, and traders are exposed to increased risks caused by electricity price volatility. The growing reliance on renewable sources and their dependence on weather, nuclear uncertainty, mark...

  • Article
  • Open Access
91 Citations
11,458 Views
21 Pages

Thermodynamic and Technical Issues of Hydrogen and Methane-Hydrogen Mixtures Pipeline Transmission

  • Szymon Kuczyński,
  • Mariusz Łaciak,
  • Andrzej Olijnyk,
  • Adam Szurlej and
  • Tomasz Włodek

12 February 2019

The use of hydrogen as a non-emission energy carrier is important for the innovative development of the power-generation industry. Transmission pipelines are the most efficient and economic method of transporting large quantities of hydrogen in a num...

  • Article
  • Open Access
30 Citations
3,821 Views
20 Pages

Incorporating the Concept of Flexible Operation in the Design of Solar Collector Fields for Industrial Applications

  • Guillermo Martínez-Rodríguez,
  • Amanda L. Fuentes-Silva,
  • Juan R. Lizárraga-Morazán and
  • Martín Picón-Núñez

12 February 2019

This work introduces the concept of flexible operation in the design of solar thermal utility systems for low temperature processes. The design objectives are: (a) The supply of the thermal needs of the process (heat duty and minimum required tempera...

  • Article
  • Open Access
6 Citations
4,110 Views
22 Pages

12 February 2019

This paper proposes a virtual impedance-based bandwidth control method for multi-parallel harmonic-compensation grid-connected inverters (HCGIs). Firstly, the influence of the resonance points caused by the interaction of multiple HCGIs on the contro...

  • Article
  • Open Access
18 Citations
9,820 Views
23 Pages

12 February 2019

As a competitive small-scale turbomachinery option, Tesla turbines have wide potential in various fields, such as renewable energy generation systems and small power equipment. This paper investigates the influence of disc tip geometry, including its...

  • Article
  • Open Access
31 Citations
6,058 Views
15 Pages

Performance and Microbial Community Dynamics in Anaerobic Digestion of Waste Activated Sludge: Impact of Immigration

  • Juhee Shin,
  • Si-Kyung Cho,
  • Joonyeob Lee,
  • Kwanghyun Hwang,
  • Jae Woo Chung,
  • Hae-Nam Jang and
  • Seung Gu Shin

12 February 2019

Waste activated sludge (WAS) is a byproduct of municipal wastewater treatment. WAS contains a large proportion of inactive microbes, so when it is used as a substrate for anaerobic digestion (AD), their presence can interfere with monitoring of activ...

  • Article
  • Open Access
27 Citations
11,391 Views
27 Pages

Methodology for the Energy Need Assessment to Effectively Design and Deploy Mini-Grids for Rural Electrification

  • Valeria Gambino,
  • Riccardo Del Citto,
  • Paolo Cherubini,
  • Carlo Tacconelli,
  • Andrea Micangeli and
  • Romano Giglioli

12 February 2019

In order to successfully deploy a large number of decentralized energy systems in developing countries, it is necessary to standardize effective methodologies and procedures to develop off-grid/mini-grid systems. Considering that the energy need asse...

  • Article
  • Open Access
15 Citations
5,535 Views
16 Pages

Bayesian Estimation on Load Model Coefficients of ZIP and Induction Motor Model

  • Haifeng Li,
  • Qing Chen,
  • Chang Fu,
  • Zhe Yu,
  • Di Shi and
  • Zhiwei Wang

11 February 2019

Parameter identification in load models is a critical factor for power system computation, simulation, and prediction, as well as stability and reliability analysis. Conventional point estimation based composite load modeling approaches suffer from d...

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Energies - ISSN 1996-1073Creative Common CC BY license