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Chapter and Conference Paper
A Damage Evolution Method for Estimating Low Cycle Fatigue Life of GH4169 Alloy Based on Thermodynamic Entropy Generation at Elevated Temperature
Hot-section components made by nickel-based superalloy for areo-engines always experience a long-term elevated temperature operating environment. Mechanical load caused more serious low cycle fatigue (LCF) at ...
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Chapter and Conference Paper
Effect of Machining Parameters on the Residual Stress Distribution and Surface Roughness in Ti-6-Al-4V Alloy
The residual stress and the surface roughness are the critical input when conducting the safety analysis of the aero-engine components because the surface integrity of the machining process may affect the fati...
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Chapter and Conference Paper
Performance Analysis of Turbofan Engine Integrated Modulated Pre-swirl System
With the increase of the turbine inlet temperature of aero engines, the secondary air system (SAS) of modern aero engines has a bleed ratio exceeding 25% to ensure safety and reliable operation, which rarely c...
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Chapter and Conference Paper
Thermal Load Sensitivity Analysis and Mass Reduction Design of Heat Pipe Turbine Disk
Turbine disk is an important life-limited component of aero-engine and bears the high centrifugal load and extreme thermal load, which brings huge challenges to thermal protection. The heat pipe turbine disk (...
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Chapter and Conference Paper
Assessment of Modulated Pre-swirl System in the Turbofan Engine by a Multi-dimensional Coupled Model
The design of contemporary aero-engine is facing challenges regarding larger flight envelope and less fuel consumption. Considering that the components in mainstream are approaching their performance limits, t...
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Chapter and Conference Paper
Identification of Key Factors Affecting the Safety Design of Aviation Piston Engine Based on Kriging-Sobol
Aiming at the safety of aviation piston engines and the complex issues of inefficient calculation by traditional safety evaluation methods, a model-based system safety analysis method based on Kriging-Sobol is...
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Article
Open AccessInvestigation into gas lubrication performance of porous gas bearing considering velocity slip boundary condition
Porous gas bearings (PGBs) have a proactive application in aerospace and turbomachinery. This study investigates the gas lubrication performance of a PGB with the condition of velocity slip boundary (VSB) owin...
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Article
Parametric modeling method for integrated design and manufacturing of radial compressor impeller
Radial compressor impeller (RCI) manufacturing is moving toward to improve competitiveness through smart manufacturing. Although current CAD (computer-aided design) and CAM (computer-aided manufacturing) techn...
