Results 31 to 40 of about 483,608 (187)

STUDYING THE INFLUENCE OF ULTRASONIC TECHNOLOGY ON THE PROCESS OF REPRODUCTION OF OIL SLUDGE

Шәкәрім университетінің хабаршысы: Техника ғылымдар
Oil sludge is harmful waste generated in oil production areas. The processing of oil sludge is one of the urgent problems of the oil and petrochemical industry.
S. K. Tanirbergenova, A. Zh. Tagayeva, D. A. Tugelbayeva, N. K. Zhylybayeva, Z. A. Mansurov   +4 more
doaj   +1 more source

Design and setup of a low calorific SOFC off-gas combustion chamber for a pressurized MGT hybrid power plant test rig [PDF]

E3S Web of Conferences, 2019
A demonstrator system for a hybrid power plant is currently being built at DLR, designed for an electrical power output level of 30 kW. Since the very low energy dense exhaust gas of the fuel cell anode side represents the fuel for the combustion chamber
Lingstädt Timo, Grimm Felix, Kutne Peter, Aigner Manfred   +3 more
doaj   +1 more source

An improved grey wolf algorithm and its localization research in complex indoor environments

Scientific Reports
In complex indoor environments, traditional localization methods often suffer from non-line-of-sight (NLOS) and multipath problems, which lead to unsolvable or incorrectly solved mathematical localization models, thereby limiting localization accuracy. A
Bing Li, Yanxin Hao, Yiyang Cui, Xingshao Chai, Jingmei Zhou, Chungang Liu   +5 more
doaj   +1 more source

Recycling of Petroleum-Based Lubricants into High-Value Petrochemicals and Carbon-Based Materials

C
Waste lubricating oils (WLOs) represent a major stream of hazardous petroleum-based residues, with global generation exceeding 24 million tons annually.
Sandugash Tanirbergenova, Dildara Tugelbayeva, Nurzhamal Zhylybayeva, Aizat Aitugan, Arailym Akimbek, Kairat Tazhu, Gulya Moldazhanova, Zulkhair Mansurov   +7 more
doaj   +1 more source

Selective Recovery of Cobalt and Nickel from Spent Lithium-Ion Battery NMC Cathodes Using a Hydrophobic Deep Eutectic Solvent

Metals
A hydrophobic deep eutectic solvent (HDES) composed of Aliquat 336, decanoic acid, and n-hexanol, diluted with kerosene, was investigated for the selective leaching of LiNi0.33Mn0.33Co0.33O2 (NMC-111) cathode materials.
Rashid Nadirov, Kaster Kamunur, Lyazzat Mussapyrova, Aisulu Batkal, Olesya Tyumentseva   +4 more
doaj   +1 more source

Study on multi-spectral inversion of temperature and soot concentration in flames

Zhongguo Jianchuan Yanjiu, 2019
[Objectives]In order to accurately understand the temperature inside the flame and the distribution of soot concentration,[Methods]the distribution of the two-dimensional temperature and the soot volume fraction inverted from the spectral intensity image
Zhang Qi, Si Mengting, Wang Dongxu, Wang Anzhen, Li Can, Wang Zhen, Luo Zixue, Lou Chun, Cheng Qiang   +8 more
doaj   +1 more source

Alignment of Smulation Methodology and Measurement Techniqus to Predict the HC-Distribution at Catalyst Inlet for Exhaust Fuel Injection

International Journal of Automotive Engineering, 2019
Injection of fuel into the exhaust system is used to support the operation of exhaust gas aftertreatment systems. When injecting a fluid into the exhaust system, one major challenge is to design the exhaust system for optimal fuel distribution and to ...
Verna Huth, Avnish Dhongde, Daniel Klein, Marco Günther, Stefan Pischinger, Takao Fukuma   +5 more
doaj   +1 more source

Evaluation of Motorcycles’ Handling and Stability Under Slalom Conditions

Machines
Handling and stability are crucial performance characteristics of motorcycles. However, handling and stability are always in opposition, which leads to difficulty in evaluating the comprehensive performance of a motorcycle.
Haoxuan Sun, Yan Yan, Jianjun Liu, Xu Liu, Lipeng Zhang, Chuntao Shi   +5 more
doaj   +1 more source

Effects of electrode configurations on the combustion characteristics of premixed methane-air flames

Journal of Thermal Science and Technology, 2015
The present paper reported the effects of electric fields produced by the mesh, ring and needle electrodes on outwardly propagating premixed flames in a constant chamber.
Jianfeng FANG, Xiaomin WU, Hao DUAN, Chao LI, Zhongquan GAO   +4 more
doaj   +1 more source

Fluorescence lifetime imaging through scattering media

Scientific Reports, 2023
Fluorescence lifetime determination has proven to be useful, e.g. identification of molecules, quantitative estimation of species concentration and determination of temperatures.
Sebastian Nilsson, Elias Kristensson, Marcus Aldén, Joakim Bood, Andreas Ehn   +4 more
doaj   +1 more source