Research on Dynamic Sealing Performance of Combined Sealing Structure under Extreme Working Conditions [PDF]
Applied Sciences, 2023 This study investigates the sealing performance of a combined sealing structure under extremely high and low temperature conditions, considering potential issues like high-temperature aging and low-temperature brittle fracture, which can lead to sealing ...
Shengpeng Zheng +7 more
doaj +2 more sources
Evaluation of the ultrasonic sealing performance of flexible films with polyolefin seal layer [PDF]
, 2017 Recent studies have shown advantages of ultrasonic sealing over heat conductive sealing, namely sealing through contamination, decreased energy consumption, no need for thick peel layers. Up to now there is no efficient systematic methodology to determine the optimal settings for the ultrasonic sealing of flexible films.
Bamps, Bram +4 more
core +10 more sources
Sealing Performance of Bionic Striped Mud Pump Piston [PDF]
Advances in Materials Science and Engineering, 2019 The mud pump piston is a key part for providing mud circulation, but its sealing performance often fails under complex working conditions, which shorten its service life.
Qian Cong +3 more
doaj +2 more sources
Sealing Failure Analysis on V-Shaped Sealing Rings of an Inserted Sealing Tool Used for Multistage Fracturing Processes [PDF]
Energies, 2018 The inserted sealing tool is a critical downhole implement that is used to balance the downhole pressure in multistage fracturing operations and prevent fracturing fluid from overflow and/or backward flow.
Gang Hu +5 more
doaj +2 more sources
Study on a New Static Sealing Method and Sealing Performance Evaluation Model for PEMFC [PDF]
World Electric Vehicle Journal, 2021 The long-term stability and durability of seals are critical for various instruments and types of equipment. For static sealing, an important sealing state, there are currently two representative sealing methods, namely, pre-compressing static sealing ...
Xiaoyu Huang +4 more
doaj +2 more sources
Key issues in water sealing performance of underground oil storage caverns: Advances and perspectives [PDF]
Journal of Rock Mechanics and Geotechnical Engineering, 2023 Water sealing performance is important for underground water-sealed oil storage (UWSOS). The key issues concerning water sealing performance mainly include the permeability of fractured rock mass (FRM), water-sealed safety (WSS), water curtain ...
Yutao Li +7 more
doaj +2 more sources
Performance Evaluation of Cable Shaft Fireproof Sealing System in High-Rise Buildings: A Comparative Test Method [PDF]
FireThe effectiveness of fireproof sealing systems in preventing the spread of fire in high-rise building cable shafts relies on the properties of various sealing materials and the construction process. Therefore, a comprehensive evaluation is necessary. The
Bizhen Zhang +6 more
doaj +2 more sources
Experimental Research on Performance of New Gas Drainage Borehole Sealing Material with High Fluidity [PDF]
Advances in Materials Science and Engineering, 2021 To ensure the sealing effect of gas extraction borehole in underground coal mine and improve the concentration of gas extraction, a kind of high-flow sealing material which can be injected into the microcracks around borehole was developed. The ultrafine
Xin Guo +3 more
doaj +2 more sources
Effect of Silicate Sealing Agent on High-Temperature Erosion Wear Properties of Thermal Spraying 304 Stainless Steel Coating [PDF]
Cailiao Baohu, 2022 The coating prepared by thermal spraying process often has many pores. In order to make up for the problems of corrosion resistance and erosion performance degradation caused by pores, 304 stainless steel coating was prepared on the surface of Q235 steel
ZHANG Chong, WANG Jian-guang, ZHENG Qiang
doaj +1 more source
Shape Optimization of Labyrinth Seals to Improve Sealing Performance [PDF]
Aerospace, 2021 To reduce gas leakage, shape optimization of a straight labyrinth seal was carried out. The six design parameters included seal clearance, fin width, fin height, fin pitch, fin backward, and forward expansion angle. The CFD (Computational Fluid Dynamics) model was solved to generate the training and testing samples for the surrogate model, which was ...
Yizhen Zhao, Chunhua Wang
openaire +2 more sources