100 questions to help you understand gas turbines from all angles
What is a gas turbine? Answer: A gas turbine is an internal combustion power machine that uses a continuously flowing gas as a working fluid to drive the impeller to rotate at high speed, converting the energy of the fuel into useful work. It is a rotating impeller heat engine. What thermodynamic processes are included […]
Why do aircraft engines use integral blades?
01 Advantages of the integral blade Before the emergence of the integral blade disk, the rotor blades of the engine needed to be connected to the wheel disk through tenons, mortise and tenon grooves and locking devices, but this structure gradually failed to meet the needs of high-performance aircraft engines. The integral blade disk that […]
Advanced Blade Manufacturing Technology for High-Performance Applications
Blade manufacturing technology The manufacturing process of large directional crystallization blades for heavy-duty gas turbines includes the manufacturing of complex large-size ceramic cores and ceramic shells, parameter control during directional solidification, heat treatment and processing of blades, and preparation of long-life protective coatings. Among them, directional solidification technology is one of the key manufacturing technologies […]
Materials and manufacturing technology for directional turbine blades of heavy-duty gas turbines
Heavy-duty gas turbines are key equipment in my country’s energy development strategy. Turbine blades working in high temperature and hot corrosion environments are the core hot end components of heavy-duty gas turbines. Compared with aircraft engine blades, advanced heavy-duty gas turbine turbine blades work for a long time in high temperature and hot corrosion environments, […]
What is the difference between a steam turbine, a gas turbine, and an internal combustion engine?
Steam turbines, gas turbines, and internal combustion engines are all types of engines (mechanical devices that generate power). Their ultimate goal is to generate power (for different needs). Their differences mainly lie in their operating principles, sizes, and application scenarios. There is no saying that one is better or worse. Different operating principles The most […]
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 […]
Failure detection and repair technology of aircraft engine blades
Turbine blades are an important part of aircraft engines, with high temperature, heavy load, and complex structure. The quality of inspection and maintenance is closely related to the durability and service life of the work. This paper studies the inspection and maintenance of aircraft engine blades, analyzes the failure mode of aircraft engine blades, and […]
Thermal Corrosion Fatigue Performance and Life Prediction Method for Hot End Components of Carrier based Aircraft Engines
The operating environment for hot-section components of shipboard aircraft engines and gas turbines is extremely harsh. In addition to enduring high temperatures, pressures, and rotational speeds, these components are also subject to the corrosive influences of a maritime environment characterized by high salinity and humidity. Turbine rotor components represent the most critically stressed elements within […]
F-class, H-class, J-class, understanding of gas turbine classification
Basic knowledge of gas turbines Gas turbines are mainly composed of three major components: the compressor, the combustion chamber, and the turbine. The gas turbine cycle is generally called a simple cycle. Most gas turbines use a simple cycle scheme, and only heavy-duty gas turbines use a combined cycle scheme. Due to different historical backgrounds, […]
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