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CCM.FF-KC5a/b status and results D. Dopheide, B. Mickan, R. Kramer: PTB

CCM.FF-KC5a/b status and results D. Dopheide, B. Mickan, R. Kramer: PTB MvanderBeek, G. Blom: NMi-VSL J.-P. Vallet: BNM EUROMET TC Flow meeting Thessaloniki March 15-17, 2005. High-press natural gas BIPM/CIPM Key Comparisons. TCC-MC-NRC. PTB – NMi-VSL - BNM. NEL. WEPP PetroChina.

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CCM.FF-KC5a/b status and results D. Dopheide, B. Mickan, R. Kramer: PTB

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  1. CCM.FF-KC5a/b status and results D. Dopheide, B. Mickan, R. Kramer: PTB MvanderBeek, G. Blom: NMi-VSL J.-P. Vallet: BNM EUROMET TC Flow meeting Thessaloniki March 15-17, 2005

  2. High-press natural gas BIPM/CIPM Key Comparisons TCC-MC-NRC PTB – NMi-VSL - BNM NEL WEPP PetroChina KRISS CMS CEESI private SwRI private Chengdu PetroChina

  3. Progress of WGFF KC (as of the end of February 2005) Participants NEL, CENAM, PTB, SP, NMIJ K 1, Water KRISS, Dr. Paik TS Prepared Protocol Approved Measurement Completed Draft A Draft B By Next WGFF NMi, TRAPIL, PTB, FORCE, BEV, SP, CMI, NMIJ, CENAM K 2, Hydrocarbon NEL, Mr. Paton ？ K 3, Air Speed NMIJ, Dr. Terao NIST, PTB, NMi NIST, NRC, SP, PTB, NWML, CSIRO, INMRTO K 4, Volume CENAM, Mr. Arias K 5a, High P N Gas PTB/NMi, Dr. Dopheide PIGSAR, NMi, GDF K 5b, High P Air N2 PTB/NMi, Dr. Dopheide LNE, NEL, KRISS K 6, Low P Air N2 NIST, Dr. Wright PTB, IMGC, NMi, CENAM,NMIJ, CRISS,CSIRO

  4. test points Package No. 2 G650 / DN150 (6“) 70 1000 Alfortville, GdF/BNM bar Westerbork, NMi psi piston prover (pigsar) 60 planned optical Standard (pigsar) 800 50 National Standard PTB (pigsar) pressure 600 40 Bergum, NMi 30 Groningen NMi 400 20 200 10 Uetrecht, Instromet 0,01 0,05 0,1 0,5 1 5 10 50 x103 m3/h actual (true) flowrate

  5. Spring 2004: Establishing the Harmonized Cubic Meter of PTB, NMi-VSL, BNM measured at 20 bar turbine DN 150 second meter Data of the Harmonization process for a single turbine meter at fixed pressure

  6. The BIPM / CIPM Key Comparisons

  7. How to quantify the degree of equivalence of facilities ? Apply the En criterion (as well known in the accreditation area and national calibration services) di = deviation between lab and harmonized reference value U(di) = uncertainty associated with this deviation UMuT = uncertainty of meter under test Uref = uncertainty of harmonized reference value

  8. KC5a protocol draft A will be ready by end of coming week

  9. Thank you for your time

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