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Energies, Volume 14, Issue 19

October-1 2021 - 436 articles

Cover Story: Digital transformation of the modern era enables new approaches for efficient petroleum production, with numerous possible applications. Artificial intelligence may be developed and used to implement digital twin technology in the power supply of oil production enterprises. The study of control loops allows the energy efficient production of hydrocarbons, taking into account reliability, safety, and the eco and energy efficiency of power units. The choice of architecture for building energy systems and their justification plus the integration of automated control algorithms for an electric drive and an automated process control system together with a power supply management system make it possible to prolong the lifecycle of electric equipment at oil and gas enterprises. View this paper
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Articles (436)

  • Article
  • Open Access
15 Citations
4,321 Views
26 Pages

8 October 2021

A new validation campaign was conducted at the W2 Harold Alfond Ocean Engineering Laboratory at the University of Maine to investigate the hydrodynamic loading on floating offshore wind substructures, with a focus on the low-frequency contributions t...

  • Article
  • Open Access
5 Citations
2,786 Views
14 Pages

Solar Photovoltaic Investment Changes across China Regions Using a Spatial Shift-Share Analysis

  • Ruxu Sheng,
  • Juntian Du,
  • Songqi Liu,
  • Changan Wang,
  • Zidi Wang and
  • Xiaoqian Liu

8 October 2021

Solar photovoltaic (PV) has become the fastest-growing new energy in China and one of the main contributors to China’s clean energy transition. From 2013 to 2019, China’s solar PV installed capacity grew from 15,890 MW to 204,180 MW, increasing by 11...

  • Article
  • Open Access
7 Citations
4,377 Views
24 Pages

Development and Analysis of a Dynamic Energy Model of an Office Using a Building Management System (BMS) and Actual Measurement Data

  • Rasa Džiugaitė-Tumėnienė,
  • Rūta Mikučionienė,
  • Giedrė Streckienė and
  • Juozas Bielskus

8 October 2021

Calibration of the energy model of a building is one of the essential tasks required to determine the efficiency of building management systems, and both their own and other systems’ improvement potential. In order to make the building energy model a...

  • Article
  • Open Access
7 Citations
3,130 Views
16 Pages

Study on the Relationship between Combustion Parameters and Cylinder Head Vibration Signal in Time Domain

  • Shaobo Ji,
  • Yang Li,
  • Guohong Tian,
  • Rongze Ma,
  • Minglei Shu,
  • Shiqiang Zhang,
  • Wenbin Yu,
  • Xin Lan and
  • Yong Cheng

8 October 2021

Combustion-related characteristic parameters, such as the start of combustion (SoC) and the timing of the peak pressure increase rate (PIR), can be used as the feedback signals for the closed-loop control of combustion. A dynamic Finite Element Metho...

  • Article
  • Open Access
4 Citations
4,275 Views
22 Pages

8 October 2021

The paper concerns the role of the banking sector in renewable energy financing in Poland. The main goal of the paper is to provide recommendations for the banking sector in Poland, which can be used in the process of financing RES. The main methods...

  • Article
  • Open Access
11 Citations
2,329 Views
19 Pages

Flexibility from Combined Heat and Power: A Techno-Economic Study for Fully Renewable Åland Islands

  • Tomi Thomasson,
  • Kirsikka Kiviranta,
  • Antton Tapani and
  • Matti Tähtinen

8 October 2021

As energy systems globally are transitioning into renewable energy, simultaneous targets of high self-sufficiency have led to complex system design proposals. While conventional technology solutions would reduce the complexity in theory, limitations...

  • Article
  • Open Access
13 Citations
4,711 Views
22 Pages

8 October 2021

Cavitation is often simulated using a mixture model, which considers the transport of an active scalar, namely the vapor fraction αv. Source and sink terms of the transport equation of αv, namely vaporization and condensation terms, rule the dynamics...

  • Article
  • Open Access
7 Citations
3,015 Views
25 Pages

8 October 2021

Due to the development of China’s electricity spot market, the peak-shifting operation modes of energy storage devices (ESD) are not able to adapt to real-time fluctuating electricity prices. The settlement mode of the spot market aggravates the nega...

  • Article
  • Open Access
5 Citations
4,575 Views
37 Pages

Solar Irradiation Evaluation through GIS Analysis Based on Grid Resolution and a Mathematical Model: A Case Study in Northeast Mexico

  • Fausto André Valenzuela-Domínguez,
  • Luis Alfonso Santa Cruz,
  • Enrique A. Enríquez-Velásquez,
  • Luis C. Félix-Herrán,
  • Victor H. Benitez,
  • Jorge de-J. Lozoya-Santos and
  • Ricardo A. Ramírez-Mendoza

8 October 2021

The estimation of the solar resource on certain surfaces of the planet is a key factor in deciding where to establish solar energy collection systems. This research uses a mathematical model based on easy-access geographic and meteorological informat...

  • Article
  • Open Access
1 Citations
2,639 Views
29 Pages

Global Sensitivity Analysis Applied to Train Traffic Rescheduling: A Comparative Study

  • Soha Saad,
  • Florence Ossart,
  • Jean Bigeon,
  • Etienne Sourdille and
  • Harold Gance

8 October 2021

The adjustment of rail traffic in the event of an electrical infrastructure disruption presents an important decision-making process for the smooth operation of the network. Railway systems are complex, and their analysis relies on expensive simulati...

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Energies - ISSN 1996-1073