Shaoxian Bai
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View article: Novel magnetic isolation slice for high-speed valve enabling low-current temperature rise suppression and electromagnetic performance optimization
Novel magnetic isolation slice for high-speed valve enabling low-current temperature rise suppression and electromagnetic performance optimization Open
High-speed valves (HSVs) often exhibit excessive steady-state temperature rise and sluggish dynamic response under rated current conditions, which constrain their performance and reliability in high-speed fluid control systems. This paper …
View article: Analysis of Thermoelastic Contact of Gas-Lubricated Rough Sealing Faces
Analysis of Thermoelastic Contact of Gas-Lubricated Rough Sealing Faces Open
Friction and wear are the main failure sources of face seals. When the surfaces of sealing rings exhibit greater roughness, the level of friction might increase and lead to sealing failure. Therefore, in this paper, based on the elastic co…
View article: An Experiment on the Dwell Time Effect of Rubber Seal O-Rings: Friction Force in Intermittent Reciprocating Motion
An Experiment on the Dwell Time Effect of Rubber Seal O-Rings: Friction Force in Intermittent Reciprocating Motion Open
The adhesive force between two contact surfaces often leads to an increase in the friction force of the rubber seal O-ring after a certain dwell time, forming dwell time effects and affecting the reliability of sealing. The dwell time effe…
View article: Vaporization Phase Transition in Cryogenic Liquid Oxygen Sealing Film on Spiral Groove Faces
Vaporization Phase Transition in Cryogenic Liquid Oxygen Sealing Film on Spiral Groove Faces Open
The property of vaporization phase transition in liquid oxygen face seals is a key factor affecting the stability of mechanical face seals in many fields, especially under cryogenic conditions. Here, a numerical model based on the saturate…
View article: High-Temperature Flow Behavior and Energy Consumption of Supercritical CO2 Sealing Film Influenced by Different Surface Grooves
High-Temperature Flow Behavior and Energy Consumption of Supercritical CO2 Sealing Film Influenced by Different Surface Grooves Open
The Brayton cycle system, as a closed cycle working under high-temperature, high-pressure and high-speed conditions, presents significant prospects in many fields. However, the flow behavior and energy efficiency of supercritical CO2 is se…
View article: Thermo-Hydrodynamic Lubricating Behaviors of Upstream Liquid Face Seals with Ellipse Dimples
Thermo-Hydrodynamic Lubricating Behaviors of Upstream Liquid Face Seals with Ellipse Dimples Open
In order to obtain the leakage characteristics of an upstream pumping face seal with inclined ellipse dimples under high-temperature and high-speed liquid lubricating conditions, a thermo-hydrodynamic lubricating model is developed. The no…
View article: Thermo-Hydrodynamic Effect of Gas Split Floating Ring Seal with Rayleigh Step Grooves
Thermo-Hydrodynamic Effect of Gas Split Floating Ring Seal with Rayleigh Step Grooves Open
The force equilibrium and moment equilibrium play a significant role on the sealing performance of gas split floating ring seals. A small deflection angle may generate seriously wear on sealing surface and cause seal failure. Therefore, th…
View article: Cavitation Intensity Effect on Zero-Leakage Behavior of Upstream Pumping Spiral Groove Face Seals
Cavitation Intensity Effect on Zero-Leakage Behavior of Upstream Pumping Spiral Groove Face Seals Open
View article: Vaporization Phase Transition in Liquid Oxygen Spiral Groove Face Seals Under Cryogenic Condition
Vaporization Phase Transition in Liquid Oxygen Spiral Groove Face Seals Under Cryogenic Condition Open
View article: Electrostatic Analysis of Bioactivity of Ti-6Al-4V Hydrophilic Surface with Laser Textured Micro-Square Convexes
Electrostatic Analysis of Bioactivity of Ti-6Al-4V Hydrophilic Surface with Laser Textured Micro-Square Convexes Open
At solid-liquid interfaces, charged particles within the electric double layer (EDL) are acted on by the electrostatic force, which may affect cell absorption and surface wettability. In this study, a model of the electrostatic force and s…
View article: Thermo-Hydrodynamic Analysis of Low-Temperature Supercritical Helium Spiral-Grooved Face Seals: Large Ambient Temperature Gradient
Thermo-Hydrodynamic Analysis of Low-Temperature Supercritical Helium Spiral-Grooved Face Seals: Large Ambient Temperature Gradient Open
Hhighly efficient and reliable sealing technology is essential to improve the efficiency of precooled aeroengines. To explore the effects of large ambient temperature gradients on the sealing performance, the thermo-hydrodynamic characteri…
View article: Gas–Liquid Mass Transfer Behavior of Upstream Pumping Mechanical Face Seals
Gas–Liquid Mass Transfer Behavior of Upstream Pumping Mechanical Face Seals Open
For gas–liquid medium isolation seals in aero-engines, the upstream pumping function of directional grooves provides an effective way to realize the design of longer service life and lower leakage rate. However, this produces a new problem…
View article: Thermoelastohydrodynamic Characteristics of Low-Temperature Helium Gas T-Groove Face Seals
Thermoelastohydrodynamic Characteristics of Low-Temperature Helium Gas T-Groove Face Seals Open
Thermoelastohydrodynamic lubrication behaviors of helium gas T-groove face seals are numerically simulated under conditions of low temperature and high pressure, with the consideration of real-gas properties including compressibility coeff…
View article: Author response for "Thermoelastohydrodynamic characteristics of supercritical CO <sub>2</sub> spiral groove face seals"
Author response for "Thermoelastohydrodynamic characteristics of supercritical CO <sub>2</sub> spiral groove face seals" Open