Special Issue "Selected Papers from HEREM’21: The 7th International Symposium on Hydrogen Energy, Renewable Energy and Materials"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Hydrogen Energy".

Deadline for manuscript submissions: 31 January 2022.

Special Issue Editor

Prof. Dr. Mohan Lal Kolhe
E-Mail Website
Guest Editor
Faculty of Engineering and Science, University of Agder, PO Box 422, NO: 4604, Kristiansand, Norway
Interests: clean energy technologies; renewable energy systems; sustainable energy management; energy economics; techno-economic operation of energy systems; renewable energy technologies integration; smart grid; Micro grid; combined heat and power system; energy efficiency
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Special Issue Information

Dear Colleagues,

The 7th HEREM conference (International Symposium on Hydrogen Energy, Renewable Energy and Materials) will be one of the most recognizable conferences in hydrogen energy systems and renewable energy technologies. HEREM 2021 will be organized in Shanghai (China) on 22–23 October 2021. From the very beginning, HEREM has been a unique occasion for disseminating and sharing the advancements in hydrogen energy, renewable energy, and energy materials technologies. The integrated hydrogen energy systems are progressing exponentially, and hence the HEREM 2021 will focus on providing an excellent platform to the energy technologists, scientists, industrialists, environmentalists, energy policymakers, and experts to highlight their novel hydrogen energy technologies with the integration of renewable energy systems. The goal of the HEREM is to address hydrogen energy- and renewable energy-related key technical challenges, opportunities, new technical innovations along with energy policies for the promotion of hydrogen, and renewable energy technologies for achieving the United Nations’ Sustainable Development Goals in an integrated manner. The HEREM is going to provide networking opportunities for global collaborations for creating sustainable solutions for diverse applications of hydrogen and renewable energy technologies. The scientific program of HEREM will include expert speeches from the world-leading scientists, state-of-the-art keynote speeches, interactive clean energy education sessions, breakout-focused research sessions, and oral presentation sessions for peer-reviewed abstracts. We sincerely hope that the blend of pleasant weather, warm hospitality, and revitalizing social evenings will make the scientific environment at HEREM richer. The selected peer-reviewed articles will be recommended for publication in a Special Issue of the journal Energies (ISSN 1996-1073), which is indexed in well-established databases/archives (SCI, Scopus, etc.).

In this Special Issue of HEREM, we seek groundbreaking research and case studies that demonstrate applications and advancements in hydrogen and renewable energy technologies along with advancements in energy materials systems. Topics of interest for publication include, but are not limited to the following:

  • Hydrogen energy technologies and systems
  • Electro-chemical-mechanical energy conversion systems
  • Renewable energy technologies
  • Electrical and mechanical energy systems
  • Energy efficiency and management
  • Energy materials
  • Chemical energy processes
  • Hydrogen economy
  • Energy policy

Interested contributors are requested to visit herem.org for further information.

Prof. Dr. Mohan Lal Kolhe
Guest Editor

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 papers will be 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 2000 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 (1 paper)

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Research

Article
Investigation into Yaw Motion Influence of Horizontal-Axis Wind Turbine on Wake Flow Using LBM-LES
Energies 2021, 14(17), 5248; https://doi.org/10.3390/en14175248 - 24 Aug 2021
Viewed by 288
Abstract
The dynamic yaw motion of the wind turbine will affect the overall aerodynamic performance of the impeller and the corresponding wake flow, but the current research on this issue is inadequate. Thus, it is very necessary to study the complicated near-wake aerodynamic behaviors [...] Read more.
The dynamic yaw motion of the wind turbine will affect the overall aerodynamic performance of the impeller and the corresponding wake flow, but the current research on this issue is inadequate. Thus, it is very necessary to study the complicated near-wake aerodynamic behaviors during the yaw process and the closely related blade aerodynamic characteristics. This work utilized the multi-relaxation time lattice Boltzmann (MRT-LBM) model to investigate the integral aerodynamic performance characteristics of the specified impeller and the dynamic changes in the near wake under a sine yawing process, in which the normalized result is adopted to facilitate data comparison and understanding. Moreover, considering the complexity of the wake flows, the large eddy simulation (LES) and wall-adapting local eddy-viscosity (WALE) model are also used in this investigation. The related results indicate that the degree of stability of tip spiral wake in the dynamic yaw condition is inversely related to the absolute value of the change rate of yaw angular speed. When the wind turbine returns to the position with the yaw angle of 0 (deg) around, the linearized migration of tip vortex is changed, and the speed loss in the wake center is reduced at about the normalized velocity of 0.27, and another transverse expansion appeared. The directional inducing downstream of the impeller sweep surface for tip vortex is clearly reflected on the entering side and the exiting side. Additionally, the features of the static pressure on the blade surface and the overall aerodynamic effects of the impeller are also discussed, respectively. Full article
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