Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Sorin-Mihai Radu"'
Publikováno v:
Batteries, Vol 6, Iss 3, p 42 (2020)
Battery state of charge (SOC) accuracy plays a vital role in a hybrid electric vehicle (HEV), as it ensures battery safety in a harsh operating environment, prolongs life, lowers the cost of energy consumption, and improves driving mileage. Therefore
Externí odkaz:
https://doaj.org/article/f41065bb793b4c5ea350d7c0e8ca54ff
Publikováno v:
Batteries, Vol 6, Iss 3, p 41 (2020)
The purpose of this paper is to analyze the accuracy of three state of charge (SOC) estimators of a rechargeable Li-ion SAFT battery based on two accurate Li-ion battery models, namely a linear RC equivalent electrical circuit (ECM) and a nonlinear S
Externí odkaz:
https://doaj.org/article/7a0d3dd2a9bd42ee9f14a2222d70b935
Publikováno v:
Batteries, Vol 4, Iss 2, p 19 (2018)
The Li-Ion battery state-of-charge estimation is an essential task in a continuous dynamic automotive industry for large-scale and successful marketing of hybrid electric vehicles. Also, the state-of-charge of any rechargeable battery, regardless of
Externí odkaz:
https://doaj.org/article/f431216d7e67476fb3ee14e37007ac5c
Publikováno v:
Applied Sciences, Vol 14, Iss 21, p 9875 (2024)
Open-pit mining generates significant amounts of waste material, leading to the formation of large waste dumps that pose environmental risks such as land degradation and potential slope failures. The paper presents a stability analysis of waste dump
Externí odkaz:
https://doaj.org/article/b97f64c77d3744eaa6936d92e0facbb7
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7385 (2024)
Corrosion is a major problem in the mining industry, significantly affecting the durability and reliability of mining equipment. In order to better evaluate and understand these effects, in the first part of this study, the analysis by the finite ele
Externí odkaz:
https://doaj.org/article/5e31cd00600a49939e77ac0afcabcb5a
Autor:
Andrei Andras, Florin Dumitru Popescu, Sorin Mihai Radu, Dragos Pasculescu, Ildiko Brinas, Mirela Ancuta Radu, Daniela (Furdui) Peagu
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4026 (2024)
Electrical contacts are important circuit components with diverse industrial applications, and their failure can lead to multiple unwanted effects. Hence, the behavior of electrical contacts is a widely studied topic in the scientific literature base
Externí odkaz:
https://doaj.org/article/ea192a0069fd4830be2692852a07638d
Autor:
Florin Dumitru Popescu, Sorin Mihai Radu, Andrei Andras, Ildiko Brinas, Mihaela-Olga Marita, Mirela Ancuta Radu, Constantin Laurentiu Brinas
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 268 (2023)
Anthropogenic activities related to mining generate both progress and a vast amount of waste that is responsible for environmental degradation. The Jiu Valley is one of the areas of Romania where mining has affected large areas of land, used to build
Externí odkaz:
https://doaj.org/article/c6f59289626c48bfaaaa07caa183c38f
Publikováno v:
Sustainable Extraction and Processing of Raw Materials Journal, Vol 3, Iss 3, Pp 36-38 (2022)
ABSTRACT. Until recently, the European Union’s energy policy was against coal for pollution reasons, but with the start of the military war between Russia and Ukraine, coal has become one of the energy resources to reconsider. The lack or depletion
Externí odkaz:
https://doaj.org/article/c4ea03406f7f476abd23be4d91371c0f
Publikováno v:
Bulletin of "Carol I" National Defense University, Vol 11, Iss 2 (2022)
Energy security and implicitly the regional energy architecture composed of critical energy infrastructures (power substations and overhead lines at 400 kV), can undergo various mutations and transformations caused by a possible syncope in the extrac
Externí odkaz:
https://doaj.org/article/fe312f7c74834f148a736bfbb8aa9894
Publikováno v:
Romanian Journal of Petroleum & Gas Technology, Vol 1, Iss 2, Pp 67-72 (2020)
Corrosion is a chemical, biochemical or electrochemical process of degradation on the surface of metals in contact with aggressive agents. Drill pipes are constantly in contact with the drilling fluid which has a corrosive action on its components.
Externí odkaz:
https://doaj.org/article/d758323ff0394f9da356921a4d99e884