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Selected Papers from ECOS 2017—30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (15 April 2018) | Viewed by 12788

Special Issue Editors

Dr. David MacPhee

E-Mail Website
Guest Editor
College of Engineering, The University of Alabama, Tuscaloosa, AL 35487, USA
Interests: optimization; continuum mechanics; fluid–structure interactions and other projects related to wind and solar energy conversion
Prof. Dr. Asfaw Beyene

E-Mail Website
Guest Editor
Department of Mechanical Engineering, San Diego State University, San Diego, CA 92110, USA
Interests: energy systems: Renewables, efficient power sources with emphasis on low grade thermal energy recovery, environmental impacts; modeling and experimental analyses of wind and wave energy conversion, biomimicry as applied to turbomachinery, CFD; thermodynamic cycles and exergy analysis, mathematical modeling and simulation

Special Issue Information

Dear Colleagues,

ECOS[DM1] 2017 conference aims at disseminating advanced scientific and engineering knowledge on energy conversion and efficiency.

The overall objective of the conference is to introduce scholars of the subject, policy makers, and interested groups to cutting edge research that benefits society. It is also intended to initiate discussion among international scholars from multiple disciplines, on the current state of energy-related research, including the impacts of energy use and conversion on critical resources, such as water, or on climate change. The conference strives to foster new collaborative and interdisciplinary relationships among emerging and established engineers, scientists, and policy makers.

ECOS’s topics are built on the fundamentals of thermodynamics, with vigorous attention to all forms of energy conversion and enabling research tools, such as CFD. Papers on any of the related themes, including the following, are invited.

  1. Basic and applied thermodynamics
  2. Heat and mass transfer
  3. Fluid dynamics and CFD
  4. Exergy, process integration and optimization
  5. ORC and low grade thermal energy recovery
  6. Refrigeration and heat pumps
  7. Fuel cells
  8. Power generation and CHP
  9. Renewable energy, solar, wind, hydro, etc.
  10. Energy storage (batteries, thermal, hydrogen, etc.)
  11. Distributed generation, smart grids, peak demand
  12. Biomass, biofuels
  13. Combustion, gasification, reaction engineering and CO2 mitigation
  14. Energy use (building, transportation, desalination, etc.)
  15. Industrial energy use
  16. Environmental impacts of energy conversion
  17. Energy policy and planning

Prof. Asfaw Beyene
Assist. Prof. David MacPhee
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. Energies 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 2600 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.

Published Papers (2 papers)

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Research

14 pages, 19213 KiB  
Article
Modeling Hydrogen Refueling Infrastructure to Support Passenger Vehicles †
by Matteo Muratori, Brian Bush, Chad Hunter and Marc W. Melaina
Energies 2018, 11(5), 1171; https://doi.org/10.3390/en11051171 - 07 May 2018
Cited by 34 | Viewed by 6363
Abstract
The year 2014 marked hydrogen fuel cell electric vehicles (FCEVs) first becoming commercially available in California, where significant investments are being made to promote the adoption of alternative transportation fuels. A refueling infrastructure network that guarantees adequate coverage and expands in line with [...] Read more.
The year 2014 marked hydrogen fuel cell electric vehicles (FCEVs) first becoming commercially available in California, where significant investments are being made to promote the adoption of alternative transportation fuels. A refueling infrastructure network that guarantees adequate coverage and expands in line with vehicle sales is required for FCEVs to be successfully adopted by private customers. In this paper, we provide an overview of modelling methodologies used to project hydrogen refueling infrastructure requirements to support FCEV adoption, and we describe, in detail, the National Renewable Energy Laboratory’s scenario evaluation and regionalization analysis (SERA) model. As an example, we use SERA to explore two alternative scenarios of FCEV adoption: one in which FCEV deployment is limited to California and several major cities in the United States; and one in which FCEVs reach widespread adoption, becoming a major option as passenger vehicles across the entire country. Such scenarios can provide guidance and insights for efforts required to deploy the infrastructure supporting transition toward different levels of hydrogen use as a transportation fuel for passenger vehicles in the United States. Full article
(This article belongs to the Special Issue Selected Papers from ECOS 2017—30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems)
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16 pages, 5730 KiB  
Article
Hydration of Magnesium Carbonate in a Thermal Energy Storage Process and Its Heating Application Design
by Rickard Erlund and Ron Zevenhoven
Energies 2018, 11(1), 170; https://doi.org/10.3390/en11010170 - 11 Jan 2018
Cited by 11 | Viewed by 5837
Abstract
First ideas of applications design using magnesium (hydro) carbonates mixed with silica gel for day/night and seasonal thermal energy storage are presented. The application implies using solar (or another) heat source for heating up the thermal energy storage (dehydration) unit during daytime or [...] Read more.
First ideas of applications design using magnesium (hydro) carbonates mixed with silica gel for day/night and seasonal thermal energy storage are presented. The application implies using solar (or another) heat source for heating up the thermal energy storage (dehydration) unit during daytime or summertime, of which energy can be discharged (hydration) during night-time or winter. The applications can be used in small houses or bigger buildings. Experimental data are presented, determining and analysing kinetics and operating temperatures for the applications. In this paper the focus is on the hydration part of the process, which is the more challenging part, considering conversion and kinetics. Various operating temperatures for both the reactor and the water (storage) tank are tested and the favourable temperatures are presented and discussed. Applications both using ground heat for water vapour generation and using water vapour from indoor air are presented. The thermal energy storage system with mixed nesquehonite (NQ) and silica gel (SG) can use both low (25–50%) and high (75%) relative humidity (RH) air for hydration. The hydration at 40% RH gives a thermal storage capacity of 0.32 MJ/kg while 75% RH gives a capacity of 0.68 MJ/kg. Full article
(This article belongs to the Special Issue Selected Papers from ECOS 2017—30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems)
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