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Energy Conversion Performance for Sustainable Development

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (12 December 2021) | Viewed by 6970

Special Issue Editors


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Guest Editor
Department of Hydraulic, Energy and Environmental Engineering, Universidad Politécnica de Madrid, Madrid, Spain, 28006 Madrid, Spain
Interests: grid integration of non manageable generation; measurement systems; energy efficiency
Special Issues, Collections and Topics in MDPI journals

E-Mail Website1 Website2
Guest Editor
Department of Automatic Control, Electrical and Electronic Engineering and Industrial Informatics, Universidad Politécnica de Madrid, 28006 Madrid, Spain
Interests: integration of renewable energy in power systems; energy efficiency, protections, condition monitoring and diagnosis of electrical machines, especially large synchronous generators
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The main global environmental concern is climate change. There are two global concerns associated with it: energy usage and fresh water availability. In fact, two of the United Nations Sustainable Development Goals (SDGs) are dedicated to them: Goal 6 (Clean water and sanitation) and Goal 7 (Affordable and clean energy). In the field of energy conversion, these two concerns are related because water is working fluid in the main thermodynamic cycles used for energy generation and consumption. For this reason, any enhancement in energy conversion performance contributes to solve both concerns. In addition, it will contribute to meet Goal 7.

As it is widely known, energy conversion efficiency has theoretical limits that depend on the process involved in the conversion. However, there are many processes where technology can be improved. These improvements can provide higher efficiency, less cost, less materials use, or devices that are more robust. In summary, these innovations enhance the performance of an energy conversion process. Through these enhancements, the scientific community can contribute to UN Sustainable Development Goal 7.

As it is well known, advances have to be disseminated to be useful. The purpose of this issue is to contribute to this aim by publishing research or review papers on these topics.

Dr. José Ángel Sánchez-Fernández
Prof. Dr. Carlos Platero
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • power plant efficiency
  • renewable energy systems
  • energy efficiency

Published Papers (3 papers)

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Research

12 pages, 1515 KiB  
Article
Luces Nuevas Experience Lighting Rural Bolivia: A Way to Reach SDG 7
by Francisco Javier Vela-Cobos, Ronald Cavero, Carlos A. Platero and José A. Sánchez-Fernández
Sustainability 2021, 13(18), 10041; https://doi.org/10.3390/su131810041 - 8 Sep 2021
Cited by 3 | Viewed by 2149
Abstract
United Nations SDG 7 is that, by 2030, there will be an affordable, reliable and clean universal access to energy (UAE). To reach this goal, technological and social issues should be considered jointly. In this paper, the approach used by the Non-Governmental Organization [...] Read more.
United Nations SDG 7 is that, by 2030, there will be an affordable, reliable and clean universal access to energy (UAE). To reach this goal, technological and social issues should be considered jointly. In this paper, the approach used by the Non-Governmental Organization “Luces Nuevas Internacional” is presented. Luces Nuevas has successfully provided basic electricity access to sparse rural communities in rural Bolivia. This paper emphasizes the methodological aspects of the approach. The key ingredient to the success is the involvement of all the stakeholders in all steps of the solution. In this way, end users feel the solution as their solution. Therefore, they are willing to use and properly maintain the devices that they buy to obtain electricity access. The case of the Tipas community shows that this approach can provide access to energy to every family that desires it. The experience shows that reaching SDG 7 requires taking into account not only the technological and economic aspects, but also the social aspects of the problem. End users involvement, from the beginning, of an electrification project is key to its success. Full article
(This article belongs to the Special Issue Energy Conversion Performance for Sustainable Development)
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19 pages, 600 KiB  
Article
Thermodynamic Analysis and Comparison of Two Small-Scale Solar Electrical Power Generation Systems
by Junfen Li, Hang Guo, Qingpeng Meng, Yuting Wu, Fang Ye and Chongfang Ma
Sustainability 2020, 12(24), 10268; https://doi.org/10.3390/su122410268 - 9 Dec 2020
Cited by 2 | Viewed by 1600
Abstract
In this study, two schemes of solar electrical power generation are designed and compared according to solar collection area minimization. The one comprises the parabolic trough collector, dual-tank of molten salt heat storage, and Organic Rankine cycle. The other consists of photovoltaic cell, [...] Read more.
In this study, two schemes of solar electrical power generation are designed and compared according to solar collection area minimization. The one comprises the parabolic trough collector, dual-tank of molten salt heat storage, and Organic Rankine cycle. The other consists of photovoltaic cell, polymer electrolyte membrane water electrolyzer, and polymer electrolyte membrane fuel cell. The effects of irradiation value, environmental temperature, and energy storage type on thermodynamic performance were investigated. The results indicated that the solar irradiation value had a more obvious effect on the PV (photovoltaic) cell performance than environmental temperature, and the PTC (parabolic trough concentrator) performance was improved with the increases of solar irradiation value and environmental temperature. The environmental temperature effect was negligible; however, the influence of irradiation value was obvious. Irradiation value had a positive effect on the former system, whereas it demonstrated the opposite for the latter. The latter system had much lower efficiency than the former, due to the low conversion efficiency between hydrogen energy and electrical energy in the polymer electrolyte membrane water electrolyzer and fuel cell. Stated thus, the latter system is appropriate for the power generation system with non-energy storage, and the former system is promising in the power generation system with energy storage. Full article
(This article belongs to the Special Issue Energy Conversion Performance for Sustainable Development)
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18 pages, 2140 KiB  
Article
Determinants of Willingness to Participate in Urban Incentive-Based Energy Demand-Side Response: An Empirical Micro-Data Analysis
by Bing Wang, Qiran Cai and Zhenming Sun
Sustainability 2020, 12(19), 8052; https://doi.org/10.3390/su12198052 - 29 Sep 2020
Cited by 11 | Viewed by 2513
Abstract
Demand-side management provides important opportunities to integrate renewable sources and enhance the flexibility of urban power systems. With the continuous advancement of the smart grid and electricity market reform, the potential for residential consumers to participate in energy demand response is significantly enhanced. [...] Read more.
Demand-side management provides important opportunities to integrate renewable sources and enhance the flexibility of urban power systems. With the continuous advancement of the smart grid and electricity market reform, the potential for residential consumers to participate in energy demand response is significantly enhanced. However, not enough is known about the public perception of energy demand response, and how sociopsychological and external factors could affect public willingness to participate. This study investigates the public perception of and willingness to participate in urban energy demand response through a questionnaire survey and employs multiple linear regression models to explore the determinants of public willingness to participate. The results suggest that income level, energy-saving attitudes, behaviors, external motivation factors, and energy-saving technologies are the key factors that determine public willingness to participate. Although most respondents are willing to participate, the effects of monetary incentives are more significant than the effect of spiritual inducements, and respondents are more sensitive to compensation than to dynamic electricity prices. The further improvement of residential responsiveness requires continuous infrastructure building by technical support, public energy-saving awareness, and public perception of energy demand response. Policy implications are proposed to achieve a sufficient residential response from an aggressive policy framework and energy-saving behavioral guidance. Full article
(This article belongs to the Special Issue Energy Conversion Performance for Sustainable Development)
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