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Thermal Technologies and Applications in Renewable Energy
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Thermal Technologies and Applications in Renewable Energy

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Resources and Sustainable Utilization".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2883

Special Issue Editors

Dr. José Antonio Soriano García

E-Mail Website
Guest Editor
Department of Applied Mechanics and Project Engineering, University of Castilla-La Mancha, 45071 Toledo, Spain
Interests: diesel; combustion process; fuels; pollutant emissions; engines and vehicles; fuel injection; energy
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. María Reyes García Contreras

E-Mail Website
Guest Editor
1. Department of Applied Mechanics and Project Engineering, University of Castilla-La Mancha, Toledo, Spain
2. Campus de Excelencia Internacional en Energía y Medioambiente, Escuela de Ingeniería Industrial de Toledo, Real Fábrica de Armas. Edif. Sabatini, Av. Carlos III, S/n, 45071 Toledo, Spain
Interests: biofuels; alternative fuels; diesel engines; pollutant emissions, waste heat recovery, Lubricity, thermodynamic diagnosis
Dr. Carmen Mata

E-Mail Website
Guest Editor
1. School of Mining and Industrial Engineering, Department of Applied Mechanics and Project Engineering, University of Castilla-La Mancha, Almadén, Spain
2.. Escuela de Ingeniería Minera e Industrial de Almadén, Campus de Excelencia Internacional en Energía y Medioambiente, Universidad de Castilla-La Mancha, Plaza Meca s/n, 13400 Almadén, Spain
Interests: biofuels; pollution; emissions; diesel fuel; on-road measurement; injection; engine durability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of renewable energies, the development of new technologies and/or the improvement of those existing play a fundamental role in the search for ways to produce thermal energy in an environmentally friendly manner. Therefore, higher efficiency and better performance of thermal machines are continuously required to decrease the pollutant emissions generated and, consequently, to ensure public health.

Various innovative technological solutions are being studied and tested in different applications of the thermal sector, e.g. thermoelectric generators and thermoacoustic systems. The use of waste energy is a promising research field to better use of losses associated with the production process of thermal energy. Additionally, the use of renewable energies in the energy production processes is required by various government regulations. In this sense, the optimization of the performance and the design of installations associated to these energies is a research field in continuous advance.

This special edition will highlight the development of new technologies, the improvement of existing ones, as well as the challenges of thermal technologies from a more ecological and sustainable environmental point of view. In the same way, important aspects such as thermoeconomics or exergy will be considered.

We welcome documents on:

Thermal machines, Thermal technologies, advances and improvements in current technologies, bibliographic reviews, modelling of thermal machines, reduction of thermal pollution, increase in efficiency, validation of parameter determination methods, partial or total substitution of energy vectors, applications of renewable energies.

Dr. José Antonio Soriano García
Prof. Dr. María Reyes García Contreras
Dr. Carmen Mata
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

  • thermal machines
  • efficiency
  • fuel substitutions
  • renewable energies
  • renewable energy
  • renewable energy evolution and transition
  • green technology
  • emission reduction
  • energy efficiency
  • thermoelectric generators
  • thermoacoustic systems

Published Papers (2 papers)

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Research

20 pages, 5430 KiB  
Article
Estimation of Fuel Consumption through PID Signals Using the Real Emissions Cycle in the City of Quito, Ecuador
by Paúl Andrés Molina Campoverde
Sustainability 2023, 15(16), 12474; https://doi.org/10.3390/su151612474 - 16 Aug 2023
Cited by 1 | Viewed by 771
Abstract
In Ecuador, according to data from the Ministry of Energy, the internal combustion engine is the largest consumer of fossil fuels. For this reason, it is important to identify and develop proposals in the literature that enable the prediction of vehicle fuel consumption [...] Read more.
In Ecuador, according to data from the Ministry of Energy, the internal combustion engine is the largest consumer of fossil fuels. For this reason, it is important to identify and develop proposals in the literature that enable the prediction of vehicle fuel consumption in both the laboratory and on the road. To accomplish this, real driving emissions (RDEs) need to be contrasted against the development of an algorithm that characterizes forces that oppose such proposals. From experimental tests, fuel consumption information was collected through a flow meter connected to the fuel line and the engine’s characteristic curves were obtained through a chassis dynamometer. Then, from the parameter identification data (PID), the most important predictors were established through an ANOVA analysis. For the acquired variables, a neural network was implemented that could predict 99% of the estimates and present a relative error lower than 5% compared to common methods. Additionally, an algorithm was developed to calculate fuel consumption as a function of the gear, inertial forces, rolling resistance, slope, and aerodynamic force. Full article
(This article belongs to the Special Issue Thermal Technologies and Applications in Renewable Energy)
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18 pages, 3742 KiB  
Article
Comparative Study of Gasoline Fuel Mixture to Reduce Emissions in the Metropolitan District
by Vicente Rojas-Reinoso, Janko Alvarez-Loor, Henrry Zambrano-Becerra and José Antonio Soriano
Sustainability 2023, 15(4), 2921; https://doi.org/10.3390/su15042921 - 06 Feb 2023
Cited by 2 | Viewed by 1663
Abstract
In the present investigation, the behavior of fuel consumption was studied due to the high cost of gasoline and its price increase in Ecuador in recent years, for which reason the different mixtures have been studied to obtain lower consumption. The optimum fuel [...] Read more.
In the present investigation, the behavior of fuel consumption was studied due to the high cost of gasoline and its price increase in Ecuador in recent years, for which reason the different mixtures have been studied to obtain lower consumption. The optimum fuel mixture rate for a T18SED e-tec II engine, Multiport Electronic Fuel Injection System (MPFI) between extra gasoline, super gasoline, and ethanol was obtained on two urban roads in the city of Quito (Ecuador). For the first test, mixtures of 10% super gasoline and 90% extra gasoline were made, and so on, for the following tests: (20–80), (30–70), (40–60), (50–50), (60–40), (70–30), (80–20), and (90–10) % super and extra gasoline. Then, mixtures between super gasoline and ethanol and extra gasoline and ethanol with concentrations of 5% and 10% were made. The results showed a low consumption on Maldonado Avenue with the 20% extra and 80% super mixtures obtaining a value of 2.9 L, while the mixture that presented a higher consumption was 100% extra of 3.4 L. At the end of each test, the fuel tank was completely drained, and the engine control unit (ECU) was reset for each test. The data acquisition was carried out through an OBD II (on-board diagnostic system) installed in each of the tests. Full article
(This article belongs to the Special Issue Thermal Technologies and Applications in Renewable Energy)
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