Longtao Shao
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View article: Research and Experimental Verification of the Static and Dynamic Pressure Characteristics of Aerospace Porous Media Gas Bearings
Research and Experimental Verification of the Static and Dynamic Pressure Characteristics of Aerospace Porous Media Gas Bearings Open
Porous media gas bearings utilize gas as a lubricating medium to achieve non-contact support technology. Compared with traditional liquid-lubricated bearings or rolling bearings, they are more efficient and environmentally friendly. With t…
View article: Gas exchange optimization in aircraft engines using sustainable aviation fuel: A design of experiment and genetic algorithm approach
Gas exchange optimization in aircraft engines using sustainable aviation fuel: A design of experiment and genetic algorithm approach Open
The poppet valves two-stroke (PV2S) aircraft engine fueled with sustainable aviation fuel is a promising option for general aviation and unmanned aerial vehicle propulsion due to its high power-to-weight ratio, uniform torque output, and f…
View article: A comprehensive aerodynamic-thermal-mechanical design method for fast response turbocharger applied in aviation piston engines
A comprehensive aerodynamic-thermal-mechanical design method for fast response turbocharger applied in aviation piston engines Open
Limited by the poor transient response performance of turbochargers, the dynamic performance of aviation piston engines tends to deteriorate. In a bid to enhance the turbocharger's acceleration capabilities, this study scrutinizes various …
View article: Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines
Study of Scavenging and Combustion Processes for Small Two-Stroke Aviation Heavy Fuel Direct Injection Engines Open
Heavy-fuel aviation piston engines (HF-APEs) are widely used in general aviation and unmanned aerial vehicle (UAV) due to their safety and fuel economy. This paper describes a numerical and experimental study of scavenging and combustion p…
View article: Technologies and studies of gas exchange in two-stroke aircraft piston engine: A review
Technologies and studies of gas exchange in two-stroke aircraft piston engine: A review Open
The in-cylinder gas exchange process is crucial to the power performance of two-stroke aircraft piston engines, which is easily influenced by complex factors such as high-altitude performance variation and in-cylinder flow characteristics.…
View article: Investigation on the Formation and Evolution Mechanism of Flow-Resistance-Increasing Vortex of Aero-Engine Labyrinth Based on Entropy Generation Analysis
Investigation on the Formation and Evolution Mechanism of Flow-Resistance-Increasing Vortex of Aero-Engine Labyrinth Based on Entropy Generation Analysis Open
Labyrinth seals are widely employed in the air system of aircraft engines since they reduce the leakages occurring between blades and shrouds, which affect the entropy generation significantly. Excessive leakage flow of the labyrinth may b…
View article: An Experimental Investigation into the Thermal Characteristics of Bump Foil Journal Bearings
An Experimental Investigation into the Thermal Characteristics of Bump Foil Journal Bearings Open
Bump foil journal bearings (BFJBs) are widely used in the superchargers of aviation piston engines (APEs). This paper proposes a method to evaluate the operating state of superchargers by monitoring the bearing temperature. A numerical mod…
View article: Numerical and experimental investigation on dynamic performance of bump foil journal bearing based on journal orbit
Numerical and experimental investigation on dynamic performance of bump foil journal bearing based on journal orbit Open