Method of validating the performance of a test facility and master component for flow calibration

摘要

A master component (10) is provided for use in checking for any variation in the performance of a gas turbine test facility, such as a flow bench. The master component replaces a standard component, which is typically a turbine blade, vane or segment in the test facility. The master component is attached to the test facility in the same manner as the standard component, for example using a standard root (20). The flow rate through the master component is substantially the same as the flow rate through the standard component for a given inlet and outlet temperature and pressure. The flow through the master component is simpler than the flow through the standard component. This means that the flow through the master component is less likely to vary over time, for example due to damage or blockage of the air paths. As such, the master component is more suitable for use in checking for any variation in the performance of a test facility.