Thermal-structural Analysis and Fatigue Life Evaluation of a Parallel Slide Gate Valve in Accordance with ASME B and PVC
Creators
- 1. Andong Nat'l Univ., Andong (Korea, Republic of)
- 2. Key Valve Technologies Ltd., Siheung (Korea, Republic of)
Description
A parallel slide gate valve (PSGV) is located between the heat recovery steam generator (HRSG) and the steam turbine in a combined cycle power plant (CCPP). It is used to control the flow of steam and runs with repetitive operations such as startups, load changes, and shutdowns during its operation period. Therefore, it is necessary to evaluate the fatigue damage and the structural integrity under a large compressive thermal stress due to the temperature difference through the valve wall thickness during the startup operations. In this paper, the thermal-structural analysis and the fatigue life evaluation of a 16-inch PSGV, which is installed on the HP steam line, is performed according to the fatigue life assessment method described in the ASME B and PVC VIII-2; the method uses the equivalent stress from the elastic stress analysis.
Additional details
Publishing Information
- Journal Title
- Transactions of the Korean Society of Mechanical Engineers. A
- Journal Volume
- 41
- Journal Issue
- 2
- Series
- 14 refs, 11 figs, 6 tabs
- Journal Page Range
- p. 157-164
- ISSN
- 1226-4873
INIS
- Country of Publication
- Korea, Republic of
- Country of Input or Organization
- Korea, Republic of
- INIS RN
- 48066836
- Subject category
- S42: ENGINEERING;
- Descriptors DEI
- CONTROL; FATIGUE; SHUTDOWN; STEAM GENERATORS; STEAM LINES; STEAM TURBINES; STRESSES; THERMAL ANALYSIS; THICKNESS; VALVES
- Descriptors DEC
- BOILERS; CONTROL EQUIPMENT; DIMENSIONS; EQUIPMENT; FLOW REGULATORS; MACHINERY; MECHANICAL PROPERTIES; PIPELINES; TURBINES; TURBOMACHINERY; VAPOR GENERATORS