There is a universe hidden in every turbine blade
The beauty of the universe lies in its mystery and depth. The Milky Way alone contains countless galaxies, stars and dust, far beyond the range of human observation. Did you know that the turbine blades of aircraft engines also contain a “universe” of materials. In this “universe”, atoms and molecules are cleverly combined to help […]
Basic knowledge of aircraft engine blades (1)
Introduction to turbine blades The component with the worst working conditions in the turbine engine is also the most important rotating component. In the hot end components of aircraft engines, the turbine blades are subjected to high-temperature gas erosion and temperature changes during the engine start-up and shutdown cycles, and the rotor blades are subjected […]
Research and application of adaptive machining technology for damage repair of aero-engine turbine blade tips
The repair of damaged turbine blades is of great significance to the maintenance and life extension of aircraft engines. This paper reviews the research progress of the repair technology of a certain nickel-based cast high-temperature alloy turbine working blade, focusing on the repair method of adaptive machining at the blade tip, and deeply expounds the […]
Study on the influence mechanism of thermal barrier coating on the cooling effect of turbine blades of a certain type of gas turbine
In order to obtain the thermal insulation effect and temperature distribution law of thermal barrier coating on turbine blades, a certain type of gas turbine high-pressure turbine moving blade with internal cooling structure was used as the basic model. The cooling effect of high-pressure turbine moving blade with or without thermal barrier coating protection was […]
Welding repair and remanufacturing technology for aircraft engine turbine blades and fan/compressor blades
Aircraft engine blades are in a complex and harsh working environment for a long time, and are prone to various types of damage defects. It is expensive to replace blades, and research on blade repair and remanufacturing technology has huge economic benefits. Aircraft engine blades are mainly divided into two categories: turbine blades and fan/compressor […]
Precision machining technology and equipment for thin-walled, special-shaped and complex blades of aircraft engines
As a key component to achieve the performance of aero-engines, blades have typical characteristics such as thin-walled, special-shaped, complex structures, difficult materials to process, and high requirements for processing accuracy and surface quality. How to achieve precise and efficient processing of blades is a major challenge in the current aero-engine manufacturing field. Through the analysis […]
Study on Combustion and Emission Characteristics of Rich Hydrogen Gas in Gas Turbine Model Combustion Chamber (1)
Replacing fossil fuels with renewable energy sources such as hydrogen can significantly reduce carbon emissions. In the field of gas turbines, domestic and foreign manufacturers have focused on laying out hydrogen gas turbines. At present, there are significant technical challenges for pure hydrogen gas turbines [1], and hydrogen blending gas turbines are the key development […]
Load characteristics and calculation status of compressor and turbine disks of aircraft engines
Although there are differences in the functions and structures of compressor and turbine rotors, in terms of strength, the working conditions of the wheels of the two are roughly the same. However, the turbine disk is at a higher temperature, which means that the working environment of the turbine disk is more harsh. The loads […]
Research progress on aerodynamic performance of aircraft engine combustion chamber based on large eddy simulation
The combustion chamber is one of the core components of an aircraft engine, and the aerodynamic performance of the combustion chamber plays a vital role in the performance of the entire engine. In order to meet the increasingly stringent technical requirements of the engine for the combustion chamber, the combustion organization mode and flow characteristics […]
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