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Energies, Volume 13, Issue 4

February-2 2020 - 241 articles

Cover Story: An accurate thermal transmittance evaluation of building elements is fundamental. Simplified analytical methods are very useful for designers. However, when applied to LSF elements they are more challenging to use and it is more difficult to obtain a reliable value. In this work, six analytical methods are identified, the calculation procedures reviewed, and their accuracies compared. View this paper.
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Articles (241)

  • Article
  • Open Access
2 Citations
3,109 Views
19 Pages

24 February 2020

The temperature distribution and thermal efficiency of a molten salt cavity receiver are investigated by a nonuniform heat transfer model based on thermal resistance analysis. For the cavity receiver MSEE in Sandia National Laboratories, thermal effi...

  • Communication
  • Open Access
35 Citations
6,858 Views
10 Pages

Synthesis of Furfuryl Alcohol from Furfural: A Comparison between Batch and Continuous Flow Reactors

  • Maïté Audemar,
  • Yantao Wang,
  • Deyang Zhao,
  • Sébastien Royer,
  • François Jérôme,
  • Christophe Len and
  • Karine De Oliveira Vigier

24 February 2020

Furfural is a platform molecule obtained from hemicellulose. Among the products that can be produced from furfural, furfuryl alcohol is one of the most extensively studied. It is synthesized at an industrial scale in the presence of CuCr catalyst, bu...

  • Article
  • Open Access
6 Citations
4,134 Views
12 Pages

Biocomposite Fabrication from Enzymatically Treated Nanocellulosic Fibers and Recycled Polylactic Acid

  • Mohamed Amine Laadila,
  • Gayatri Suresh,
  • Tarek Rouissi,
  • Pratik Kumar,
  • Satinder Kaur Brar,
  • Ridha Ben Cheikh,
  • Kofi Abokitse,
  • Rosa Galvez and
  • Colin Jacob

24 February 2020

Recycled polylactic acid (PLAr) was reinforced with treated nanocellulosic hemp fibers for biocomposite fabrication. Cellulosic fibers were extracted from hemp fibers chemically and treated enzymatically. Treated nanocellulosic fibers (NCF) were anal...

  • Article
  • Open Access
31 Citations
14,227 Views
15 Pages

A Method for Efficiency Determination of Permanent Magnet Synchronous Motor

  • Karolis Dambrauskas,
  • Jonas Vanagas,
  • Tomas Zimnickas,
  • Artūras Kalvaitis and
  • Mindaugas Ažubalis

24 February 2020

The utilization rate of permanent magnet synchronous motors (PMSM) is increasing in the industry today. Due to this fact, the high efficiency ratio of PMSMs has reached IE5 premium class efficiency. Therefore, the efficiency coefficient of the PMSM v...

  • Article
  • Open Access
49 Citations
4,494 Views
19 Pages

24 February 2020

Performance assessment of a two-bed silica gel-water adsorption refrigeration system driven by solar thermal energy is carried out under a climatic condition typical of Perth, Australia. A Fourier series is used to simulate solar radiation based on t...

  • Article
  • Open Access
17 Citations
3,190 Views
13 Pages

Wavelet Energy Fuzzy Neural Network-Based Fault Protection System for Microgrid

  • Cheng-I Chen,
  • Chien-Kai Lan,
  • Yeong-Chin Chen,
  • Chung-Hsien Chen and
  • Yung-Ruei Chang

24 February 2020

To perform the fault protection for the microgrid in grid-connected mode, the wavelet energy fuzzy neural network-based technique (WEFNNBT) is proposed in this paper. Through the accurate activation of protective relay, the microgrid can be effective...

  • Article
  • Open Access
9 Citations
3,333 Views
33 Pages

24 February 2020

This paper presents the results of analysis of energy and economic efficiency of the hierarchical gas-gas engine, with a note that a trigeneration system was analyzed, in which the production of electricity, heat and cold are combined. This solution...

  • Article
  • Open Access
32 Citations
6,385 Views
17 Pages

24 February 2020

Wireless power transfer systems are increasingly used as a means of charging implantable medical devices. However, the heat or thermal radiation from the wireless power transfer system can be harmful to biological tissue. In this research, we designe...

  • Article
  • Open Access
47 Citations
6,665 Views
20 Pages

24 February 2020

In determining the severity of power transformer faults, several approaches have been previously proposed; however, most published studies do not accommodate gas level, gas rate, and Dissolved Gas Analysis (DGA) interpretation in a single approach. T...

  • Article
  • Open Access
27 Citations
5,590 Views
18 Pages

24 February 2020

An electrochemical-thermal coupling model combined with an electrically connected cylindrical cell model was built to produce a structural design that prevents thermal runaway propagation of cells on the battery module. Additionally, the characterist...

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Energies - ISSN 1996-1073