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Energies, Volume 12, Issue 1

January-1 2019 - 199 articles

Cover Story: Introduction to Figure: Saturation fluid type and level of saturation in oil/gas reservoir rocks, cause significant changes to the mechanical characteristics of the rock. The degree of saturation and the salinity level of the pore fluid affect the fracture pattern of the rock, as well as the Unconfined Compressive Strength (UCS). View this paper.
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Articles (199)

  • Review
  • Open Access
5 Citations
8,446 Views
16 Pages

8 January 2019

The aim of this paper is to give an overview of the energy sector and the current status of photovoltaic (PV) systems in Suriname and to investigate which role PV systems can play in this country’s future energy transition. At this moment, 64%...

  • Feature Paper
  • Article
  • Open Access
47 Citations
7,498 Views
19 Pages

Analysis of the Performance of Various PV Module Technologies in Peru

  • Irene Romero-Fiances,
  • Emilio Muñoz-Cerón,
  • Rafael Espinoza-Paredes,
  • Gustavo Nofuentes and
  • Juan De la Casa

8 January 2019

A knowledge gap exists about the actual behavior of PV grid-connected systems (PVGCS) using various PV technologies in Peru. This paper presents the results of an over three-year-long performance evaluation of a 3.3-kWp monocrystalline silicon (sc-Si...

  • Article
  • Open Access
3 Citations
4,346 Views
22 Pages

8 January 2019

In this paper, we propose a microgrid (MG) implementation method through Medium-Voltage Direct Current (MVDC) connection between Gapado Island and Marado Island in Korea. MVDC is a facility that can be efficiently applied between small power generati...

  • Article
  • Open Access
24 Citations
7,552 Views
15 Pages

8 January 2019

In the U.S., the heating, ventilation, and air conditioning (HVAC) system is generally the largest electricity-consuming end-use in a residential building. However, homeowners are less likely to have their HVAC system serviced regularly, thus ineffic...

  • Article
  • Open Access
6 Citations
4,852 Views
15 Pages

8 January 2019

We propose a model for medium-term hydropower scheduling (MTHS) with variable head and uncertainty in inflow, reserve capacity, and energy price. With an increase of intermittent energy sources in the generation mix, it is expected that a flexible hy...

  • Review
  • Open Access
136 Citations
9,081 Views
21 Pages

Microorganism Assisted Synthesized Nanoparticles for Catalytic Applications

  • Xiaojiao Fang,
  • Yin Wang,
  • Zegao Wang,
  • Zaixing Jiang and
  • Mingdong Dong

8 January 2019

Metal and metalloid nanoparticles (NPs) have attracted substantial attention from research communities over the past few decades. Traditional methodologies for NP fabrication have also been intensely explored. However, drawbacks such as the use of to...

  • Article
  • Open Access
15 Citations
8,187 Views
17 Pages

8 January 2019

This paper presents the research status of hygroscopic materials, points out the weak links as targets for major breakthroughs, and introduces humidifying mechanisms and their categories. In this paper, we simulated a single-monomer Shenyang office b...

  • Article
  • Open Access
7 Citations
4,779 Views
18 Pages

8 January 2019

Traveling wave wall is a useful method to suppress flow separation. However, the interaction between the traveling wave wall and unsteady separation flow is complex, which causes difficulty in discovering the corresponding mechanism. To reveal the me...

  • Article
  • Open Access
2 Citations
4,111 Views
23 Pages

Sample Entropy Based Net Load Tracing Dispatch of New Energy Power System

  • Shubo Hu,
  • Feixiang Peng,
  • Zhengnan Gao,
  • Changqiang Ding,
  • Hui Sun and
  • Wei Zhou

8 January 2019

The high-proportion of renewable energies is gradually becoming one of the main power supply sources and bringing strong uncertainties to the power grid. In this paper, a sample entropy (SampEn) based net load tracing dispatch strategy with a specifi...

  • Article
  • Open Access
9 Citations
4,273 Views
15 Pages

Application of Spectral Kurtosis to Characterize Amplitude Variability in Power Systems’ Harmonics

  • Jose-María Sierra-Fernández,
  • Sarah Rönnberg,
  • Juan-José González de la Rosa,
  • Math H. J. Bollen and
  • José-Carlos Palomares-Salas

8 January 2019

The highly-changing concept of Power Quality (PQ) needs to be continuously reformulated due to the new schemas of the power grid or Smart Grid (SG). In general, the spectral content is characterized by their averaged or extreme values. However, new P...

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Energies - ISSN 1996-1073