“Ceramic Core” in Casting Technology for Hollow Turbine Blades
If the aviation engine and ground gas turbine are the “crown jewels” of modern industry, then turbine blades are the “jewels in the crown”. Turbine engines generate thrust by impacting turbine blades with high-temperature gas, driving the rotor at high speed. Among them, the ability of turbine blades to withstand high temperatures has a very […]
Development of Aero-Derivative Gas Turbines Technology
Affected by political, military and economic factors, the development of aircraft engine technology is faster than that of gas turbines. Gas turbines and aircraft engines have a wide range of technical commonalities, and can be shared in design systems, manufacturing systems, talent systems and test systems. Therefore, based on the huge market demand and obvious […]
BLAZE Knowledge Classroom:Gas Turbine
Basic Concepts According to the “Gas Turbine Vocabulary” (GB/T 15135-2018), a gas turbine refers to a continuous-flow rotating machine (single machine) that converts thermal energy into mechanical work, including a compressor, equipment for heating the working fluid (such as a combustion chamber), a turbine, a control system and auxiliary equipment. Industrial gas turbine engines, generally […]
Thermal Corrosion Fatigue Performance and Life Prediction Method for Hot End Components of Carrier based Aircraft Engines
The influence of hot corrosion on the fatigue performance of hot end component materials Hot corrosion fatigue performance of high-temperature alloys for turbine blades Many scholars have explored and studied the effect of hot corrosion on the fatigue performance of high-temperature alloys for turbine blades under different conditions. The main method is to pre treat […]
Thermal Corrosion Fatigue Performance and Life Prediction Method for Hot End Components of Carrier based Aircraft Engines (2)
Hot Corrosion Mechanism of Turbine Disk High Temperature Alloy The high-temperature alloys used for aircraft engine turbine disks are deformable high-temperature alloys (such as Inconel 718, GH4169, etc.) and powder high-temperature alloys (such as RR1000, ME3, FGH96, etc.). The service temperature of deformed high-temperature alloy turbine discs is usually not higher than 650 ℃, while […]
Anti-CMAS Corrosion of Thermal Barrier Coatings for Gas Turbines (1)
Affected by the external environment, some environmental deposits are often produced on the surface of the hot end components of heavy-duty gas turbines (such as turbine blades), mainly from molten salts in the marine environment, vanadates and sulfates, the combustion products of low-grade fuels, and sand, fly ash, runway debris in the air, etc. These […]
Thermal Corrosion Fatigue Performance and Life Prediction Method for Hot End Components of Carrier based Aircraft Engines (1)
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 […]
Research progress and development trend of heavy-duty gas turbines and their thermal barrier coatings (5)
Anti-CMAS Corrosion of Thermal Barrier Coatings for Gas Turbines Affected by the external environment, some environmental deposits are often produced on the surface of the hot end components of heavy-duty gas turbines (such as turbine blades), mainly from molten salts in the marine environment, vanadates and sulfates, the combustion products of low-grade fuels, and sand, […]
Research progress and development trend of heavy-duty gas turbines and their thermal barrier coatings (4)
Key properties of gas turbine thermal barrier coating Because the work of ground heavy gas turbines is generally in a complex environment, and the maintenance cycle is long, it can be as high as 50,000 hours. Therefore, in order to improve gas turbine thermal barrier coating technology and extend the service life of thermal barrier […]
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