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Utilization of Nanomaterials on Electronic and Environmental Systems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (1 September 2022) | Viewed by 3676

Special Issue Editors


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Guest Editor
School of Materials Science and Engineering, Jiangsu University, Zhenjiang, China
Interests: MOS-MOF-MXene nanomaterials; gas sensors; electrochemical supercapacitors; Li-S batteries
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, 98009 Sarawak, Malaysia
Interests: biochar; magnetic biochar; biofuel; CNT, CNFs; renewable energy; wastewater treatment
Special Issues, Collections and Topics in MDPI journals
Nanomaterials and Solar Energy Research Laboratory, Department of Physics, University of Agriculture, Faisalabad, Pakistan
Interests: nanomaterials for environmental and medical applications; solar cells; solar water purification

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Guest Editor
Department of Chemistry, University of Lahore, Lahore, Pakistan
Interests: nanomaterials; photocatalysis; energy applicatons; coated composite materials; biosensor; electrochemical sensor
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The problems regarding the increasing pollution and worse outcomes of today’s world has urged massive research efforts within unintended sources, which has resulted in an increase in pollutant emissions. This state of affairs requires the development of alternative and environmentally friendly energy sources. Currently, nanoscience and new technologies are opening a new perspective regarding the development of nanomaterials and the utilization of biomass and solar energy, as well as regarding eco-friendly energy conversion and energy storage. Several noteworthy directions, in addition, are required to push these research fields forward and thus achieve a green and clean world.

This Special Issue covers, but is not limited to, recent advancements in the thematic areas of electronic and environmental systems, energy conversion, and storage systems. High-quality manuscripts (original research articles, review articles, rapid communications, and perspectives) will be accepted from all areas of renewable energy provided that nanomaterials are a key element of the research.

Prof. Dr. Shahid Hussain
Dr. Mubarak Mujawar
Dr. Asif Javed
Dr. Awais Ahmad
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. Applied Sciences 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

  • materials for energy storage (supercapacitors, batteries, and ORR/HER)
  • nanomaterials for biomass conversion
  • nanomaterials for sensors and their manipulations
  • theoretical modeling of energy storage medias
  • carbon dioxide emission and economical ideas
  • energy production technologies
  • photo/electrocatalysis
  • polymer materials and applications

Published Papers (1 paper)

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Research

11 pages, 1537 KiB  
Article
Aerodynamic Modeling and Performance Analysis of Variable-Speed Coaxial Helicopter
by Anan Xu, Fang Wang, Ming Chen and Liang Li
Appl. Sci. 2022, 12(19), 9534; https://doi.org/10.3390/app12199534 - 22 Sep 2022
Cited by 2 | Viewed by 1887
Abstract
In this paper, the variable-speed coaxial helicopter is modelled by the blade element method, non-uniform inflow method and empirical function method, and the aerodynamic performance analysis method is proposed. To ensure the accuracy of this method, a flight test of the verification aircraft [...] Read more.
In this paper, the variable-speed coaxial helicopter is modelled by the blade element method, non-uniform inflow method and empirical function method, and the aerodynamic performance analysis method is proposed. To ensure the accuracy of this method, a flight test of the verification aircraft has been performed, and the rotor speed and required power under different forward flight speeds have been obtained. By comparing the experimental results with the calculation results, it is ascertained that the rotor speed trim error of this method is less than 6%, and the required power calculation error is less than 5%, which demonstrates the accuracy of this method. Finally, when the rotor diameter, hovering collective pitch and hovering rotor speed are equal, the required power of variable-speed coaxial helicopter and variable collective-pitch coaxial helicopter is compared through this method. The comparison results show that the variable-speed coaxial helicopter has low required power when it is less than the forward flight speed corresponding to the hovering rotor speed. When the forward speed is higher than that corresponding to the hovering rotor speed, the variable-pitch coaxial helicopter has lower required power. Full article
(This article belongs to the Special Issue Utilization of Nanomaterials on Electronic and Environmental Systems)
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