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Yao Li, Liang Qin, Dezheng Yang, Li Zhang and Wenchun Wang
In this paper, the packed bed dielectric barrier discharge (DBD) with needle-plate electrode configuration is presented to study the effects of electrical parameters, such as pulse duration and pulse rising and falling time, on discharge characteristics ...
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Jin-Kyoung Han, Woo-Suk Jung, Jung-Min Kim, In-Hwan Park and Young-Do Kim
In this study, the water quality change in a stagnant controlled river containing hard management structures due to pulsed flow was simulated. The Environmental Fluid Dynamics Code (EFDC) model was used for the water quality change simulation, and the wa...
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Aleksandr Vovchenko,Larysa Demydenko,Sergey Kozyrev
Pág. 29 - 38
Studying the high-voltage electrochemical explosion as a control object has established a significant impact exerted by the modes of controlled energy input into a discharge channel on the efficiency of exothermal energy conversion. Dependence has been d...
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Xian Wang, Zhengxiang Song, Kun Yang, Xuyang Yin, Yingsan Geng and Jianhua Wang
Lithium-bismuth liquid metal batteries have much potential for stationary energy storage applications, with characteristics such as a large capacity, high energy density, low cost, long life-span and an ability for high current charge and discharge. Howe...
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Ju Tang, Jiabin Zhou, Xiaoxing Zhang and Fan Liu
Based on the physical phenomena of optical effects produced by the partial discharge (PD) and on the characteristics of fluorescent fiber sensing of weak fluorescent signals, a PD measurement system using a fluorescent fiber sensor was designed. The main...
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Shenghui Wang, Jiamin Mai and Lihong Wang
For investigating the relationship between the surface corona discharge of a DC wire and other influencing factors, a hybrid numerical model based on a fluid-chemical reaction was proposed to simulate the discharge process at the tip defect of the wire. ...
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Yihao Xu, Hao Yuan, Hongli Wang, Ke Lu and Dezheng Yang
Non-thermal plasma driven ammonia synthesis has great potential for future industrial applications due to its low theoretical energy requirements. To achieve technological advancement and environmental sustainability, it is crucial to boost the energy yi...
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Kostyantyn Korytchenko,Pavel Krivosheyev,Dmytro Dubinin,Andrii Lisniak,Kostiantyn Afanasenko,Serhii Harbuz,Olga Buskin,Andriy Nikorchuk,Ivan Tsebriuk
Pág. 26 - 31
The paper reports a study into the initiation of detonation in pulse detonation engines. The chosen direction to resolve this issue is the use of detonation tubes with multifocal ignition. We applied two spark discharges as a source of ignition, which ig...
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Jiangge Deng, Ting Li, Jinkui Wang and Chicheng Gao
Thermoacoustic instabilities occur when heat release is coupled with pressure fluctuation, which may cause performance degradation of the combustor and serious structural damage. This study focued on an active control method using discharge plasma and sh...
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Aleksandra Baczynska, Waldemar Niewiadomski, Ana Gonçalves, Paulo Almeida and Ricardo Luís
The aim of the paper is to present the battery equivalent circuit for electric vehicle application. Moreover, the model described below is dedicated to lithium-ion types of batteries. The purpose of this paper is to introduce an efficient and transparent...
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Daehyun Kim, Keunhwi Koo, Jae Jin Jeong, Taedong Goh and Sang Woo Kim
A second-order discrete-time sliding mode observer (DSMO)-based method is proposed to estimate the state of charge (SOC) of a Li-ion battery. Unlike the first-order sliding mode approach, the proposed method eliminates the chattering phenomenon in SOC es...
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Romana Kopecká, Liina Onga and Sergei Preis
Naproxen is a widely used non-steroidal anti-inflammatory drug poorly metabolized in the human body, thus resulting in its presence in domestic wastewaters. It is resistant to conventional wastewater treatment, making new methods necessary. Pulsed corona...
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Liina Onga, Eneliis Kattel-Salusoo, Marina Trapido and Sergei Preis
The most widely used anti-inflammatory corticosteroid dexamethasone (DXM), frequently detected in waterbodies due to its massive consumption and incomplete removal in wastewater treatment processes, was experimentally studied for oxidation with gas-phase...
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Vijaykumar S. Jatti, Rahul B. Dhabale, Akshansh Mishra, Nitin K. Khedkar, Vinaykumar S. Jatti and Ashwini V. Jatti
The advancement in technology has attracted researchers to electric discharge machining (EDM) for providing a practical solution for overcoming the limitations of conventional machining. The current study focused on predicting the Material Removal Rate (...
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Andrzej Zielinski and Michal Bartmanski
Coatings deposited under an electric field are applied for the surface modification of biomaterials. This review is aimed to characterize the state-of-art in this area with an emphasis on the advantages and disadvantages of used methods, process determin...
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Partha Protim Das, Sunny Diyaley, Shankar Chakraborty, Ranjan Kumar Ghadai
Pág. 16 - 25
Wire electro discharge machining (WEDM) is a versatile non-traditional machining process that is extensively in use to machine the components having intricate profiles and shapes. In WEDM, it is very important to select the optimal process parameters so ...
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Jinlei Sun, Guo Wei, Lei Pei, Rengui Lu, Kai Song, Chao Wu and Chunbo Zhu
The battery internal temperature estimation is important for the thermal safety in applications, because the internal temperature is hard to measure directly. In this work, an online internal temperature estimation method based on a simplified thermal m...
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Ghazanfar Mehdi, Maria Grazia De Giorgi, Sara Bonuso, Zubair Ali Shah, Giacomo Cinieri and Antonio Ficarella
This study investigates the kinetic modeling of CH4/H2/Air mixture with nanosecond pulse discharge (NSPD) by varying H2/CH4 ratios from 0 to 20% at ambient pressure and temperature. A validated version of the plasma and chemical kinetic mechanisms was us...
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Shuqi Li, Yunhu Liu, Hao Yuan, Jianping Liang, Min Zhang, Yao Li and Dezheng Yang
In this paper, a high-density gas?liquid discharge plasma is obtained combined with nanosecond pulse voltage and a floating electrode. The discharge images, the waveforms of pulse voltage and discharge current, and the optical emission spectra are record...
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Roxanne Ahmed, Terry Prowse, Yonas Dibike, Barrie Bonsal and Hayley O?Neil
Runoff from Arctic rivers constitutes a major freshwater influx to the Arctic Ocean. In these nival-dominated river systems, the majority of annual discharge is released during the spring snowmelt period. The circulation regime of the salinity-stratified...
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