Results 1 to 10 of about 1,456,273 (258)

Flow pattern recognition in corrugated channels between circular plates

open access: yesMeasurement: Sensors, 2021
The path of the fluids in corrugated channels between circular plates is an arc of varying length, i.e. the flow direction firstly disperses and then converges. However, there is a shortage of data on the flow structures in these channels. In the present
Ke Wang, Peng-Fei Wu, Bing Hu
doaj   +1 more source

Performance measurement and analysis of gas coalescence filter element

open access: yesYou-qi chuyun, 2021
For the problem that it is difficult to separate the lubricating oil from the natural gas in the devices of offshore oil and gas platform, the performance measurement devices of gas-liquid coalescence filter elements were established in the laboratory ...
Cheng CHANG   +4 more
doaj   +1 more source

Analysis of Leaked Crude Oil in a Mountainous Area

open access: yesEnergies, 2022
China–Myanmar oil and gas pipelines in Southwest China guarantee the energy security of China. Due to poor geographical circumstances, the safety of pipelines is seriously threatened by natural disasters.
Ke Wang, Jing Peng, Jue Zhao, Bing Hu
doaj   +1 more source

Effect of apparent gas velocity on performance of oleophobic coalescence filter cartridge and its structure improvement

open access: yesYou-qi chuyun, 2022
The frequent fluctuation of gas flow during the storage and transportation can easily lead to the failure of filter cartridge and the shortening of its service life.
Feng CHEN   +6 more
doaj   +1 more source

Performance analysis and optimization of oleophobic coalescing filter element at high gas velocity

open access: yesYou-qi chuyun, 2023
In the long-distance transportation of natural gas, the oleophobic coalescing filter element will experience secondary entrainment and a decrease in filtration efficiency when the gas velocity is too high.
LI Yipu   +7 more
doaj   +1 more source

Particle Collection of Electret Media under Different Filtration Pressures

open access: yesAerosol and Air Quality Research, 2023
Electret media have the advantage of enhancing the particle collection efficiency while keeping/reducing the media pressure drop by the electrostatic mechanisms in addition to the mechanical ones.
Zhen Liu   +4 more
doaj   +1 more source

Testing methods of filtration performance of filter element for lubricating oil separation in gas storage

open access: yesYou-qi chuyun, 2023
Considering the inadequacy of current testing methods in satisfying the testing requirements of filter elements for lubricating oil separation in gas storage, this research aims to establish corresponding testing methods and device in the laboratory. The
WANG Zhaomin   +3 more
doaj   +1 more source

On the thermodynamic behaviors and interactions between bubble pairs: A numerical approach

open access: yesUltrasonics Sonochemistry, 2021
Thermodynamic behaviors and interactions between bubble pairs are important to better understand the cavitation phenomena. In this study, a compressible two-phase model, accounting for thermal effects to investigate the thermodynamic behaviors and ...
Jianyong Yin   +4 more
doaj   +1 more source

Influence of Temperature on the Adsorption and Diffusion of Heavy Oil in Quartz Nanopore: A Molecular Dynamics Study

open access: yesEnergies, 2022
The desorption of heavy oil is one of the important indicators affecting the development efficiency of the remaining oil in nanopores. However, the study of the adsorption and diffusion mechanisms of heavy oil molecules in nanopores remains scarce.
Dongsheng Chen   +6 more
doaj   +1 more source

Sealing ability of three different materials to repair furcation perforations using computerized fluid filtration method [PDF]

open access: yesJournal of Dental Research, Dental Clinics, Dental Prospects, 2021
Background. The present study aimed to evaluate the sealing ability of three different calcium silicate-based materials in furcation perforations. Methods. Seventy-six human mandibular molar teeth were selected. Perforations were created in the center of
Cemre Koç   +3 more
doaj   +1 more source

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