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Keywords = Biefeld-Brown Effect

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20 pages, 5086 KiB  
Article
Electrohydrodynamic Propeller as One of the Alternatives to Replace Conventional Propulsion Systems
by Peter Čurma, Marián Lázár, Natália Jasminská, Tomáš Brestovič, Filip Duda and Peter Milenovský
Appl. Sci. 2024, 14(23), 10885; https://doi.org/10.3390/app142310885 - 24 Nov 2024
Viewed by 1136
Abstract
In this article, an analysis of issues related to EHD propulsion systems, including their design and the working principle, is presented. The article deals with the advantages and shortcomings that influence their utilisation in the conditions of the Earth’s atmosphere. In the practical [...] Read more.
In this article, an analysis of issues related to EHD propulsion systems, including their design and the working principle, is presented. The article deals with the advantages and shortcomings that influence their utilisation in the conditions of the Earth’s atmosphere. In the practical section of the article, a set of experiments aimed at elucidating a relationship between the geometry of the capacitor model applied voltage and the induced force is described. An essential task was to verify the functionality of a device and to quantify the efficiency of this type of propeller by applying experimental methods aimed at increasing the functionality. Full article
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18 pages, 130280 KiB  
Article
Analysis of the Efficiency of the Electrohydrodynamic Propulsion Based on the Biefeld-Brown Effect for Manned and Unmanned Aircrafts
by Manés F. Cabanas, Francisco P. González, Andrés S. González, Moisés R. García and Manuel G. Melero
Appl. Sci. 2022, 12(6), 2997; https://doi.org/10.3390/app12062997 - 15 Mar 2022
Cited by 5 | Viewed by 8227
Abstract
The phenomenon known as the Biefeld-Brown effect or ionic wind has been the subject of study since its discovery with the aim of being applied to aircraft propulsion. Electrohydrodynamic (EHD) thrusters have been developed in a thorough and detailed way since 2000. Subsequently, [...] Read more.
The phenomenon known as the Biefeld-Brown effect or ionic wind has been the subject of study since its discovery with the aim of being applied to aircraft propulsion. Electrohydrodynamic (EHD) thrusters have been developed in a thorough and detailed way since 2000. Subsequently, some attempts have been made to extend them to electric-powered atmospheric aircrafts. This paper is framed in this field by performing a rigorous and detailed analysis of the energy efficiency, measured as the ratio of thrust to energy consumed, for both EHD systems and conventional electric propulsion. This is done using simple EHD thruster configurations together with accurate measurements of the current consumed under controlled environmental conditions. The results are not only compared with the performance of an electric propulsion motor-propeller set, but also consider future research, summarizing the issues that arise to scale them. Future designs of low weight, high performance thrusters might allow this technology to be applied to manned or remotely piloted aircrafts. Full article
(This article belongs to the Special Issue Advances in Electric Propulsion Technology)
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