Orifice plate project : Partial re-inspection report
Some components of the test section assembly have been re-inspected after the NEL first phase tests. No significant changes in the thin series orifice plate upstream face flatness have been found. The pipe bore surface roughness has not changed significantly. The orifice edge sharpness appears not to have changed on five of the plates, but significant differences between two sets of measurements occur for the smallest diameter plate. It is not known if wear has occurred during testing, or if the difference is due to two different methods of measurement being used to determine edge sharpness.
Bibliographic Reference: EUR 13710 EN (1991) 25 pp., MF, ECU 4
Record Number: 199111008 / Last updated on: 1994-12-02
Original language: en
Available languages: en