Results 11 to 20 of about 8,469,039 (290)
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
, 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 +7 more sources
Sealing Performance of Bionic Striped Mud Pump Piston
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
Study on a New Static Sealing Method and Sealing Performance Evaluation Model for PEMFC
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
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 ...
Zhao, Yizhen, Wang, Chunhua
openaire +2 more sources
An investigation into the thermo-elasto-hydrodynamic effect of notched mechanical seals
Nuclear Engineering and Technology, 2022 A 3D thermo-elasto-hydrodynamic model is developed to analyze the sealing performance of a notched mechanical seal applied in the reactor coolant pump. In the model, the generalized Reynolds equation, the energy equation coupled with notch heat balance ...
Xiangkai Meng +3 more
doaj +1 more source
Design and Seal Performance Analysis of Bionic Sealing Ring for Dynamic Seal
Mechanics, 2020 In this paper, the non-smooth surface technology is applied to the surface structure of the rectangular sealing ring, and a bionic sealing ring is designed. Two-dimensional axisymmetric models of rectangular and bionic sealing rings were established. Effects of pre-compression amount, fluid pressure, friction coefficient and reciprocating velocity on ...
Yang HU, Jie ZHANG, Li Ming CHEN
openaire +2 more sources
Sealing Performance of the End Fitting of a Marine Unbonded Flexible Pipe under Pressure Penetration [PDF]
Journal of Applied and Computational Mechanics, 2020 The sealing performance of end fittings is very important for offshore oil and gas pipelines. To investigate the sealing behavior of a ring-shaped wedge seal, global and local numerical models of the ring–pipe interaction have been developed based on the
Liping Tang +3 more
doaj +1 more source
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 +1 more source