Assessment of Residual Service Life of Cast Bodies of Control Valves of 220 MW Power Units

• Date: 2021
• Main Authors: Chernousenko, Olha Yu., Ryndiuk, Dmytro V., Peshko, Vitalii A.
• Format: Article
• Language: English; Russian
• Published: Інститут енергетичних машин і систем ім. А. М. Підгорного Національної академії наук України 2021
• Subjects: residual service life; long-term strength; low-cycle fatigue; safety factor; control valve; cast body; steam turbine; UDC 621.165.62-192
• Online Access: https://journals.uran.ua/jme/article/view/222732
• Journal Title: Journal of Mechanical Engineering

In the regulatory documents of the Ministry of Energy and Coal Industry of Ukraine, the beyond-design operating life of the high-energy equipment of 220 MW power units is limited to the operating life of 220 thousand hours and 800 start-ups. To date, the high-temperature cast bodies of the control v...