Methods to calibrate a critical nozzle and flowmeter using reference critical nozzles

Flow Measurement and Instrumentation

Volumn 11, Issue 4, 2000, Pages 293-303

  Ishibashi, Masahiro ^a   Takamoto, Masaki ^a  

^a NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

Author keywords

Critical nozzle; Discharge coefficient; Premature unchoking phenomenon; Reynolds number dependence; Series connection

Indexed keywords

COMPRESSIBLE FLOW; DISCHARGE (FLUID MECHANICS); GAS METERS; PRESSURE EFFECTS; PRESSURE GAGES; REYNOLDS NUMBER;

CRITICAL NOZZLES; DISCHARGE COEFFICIENT; PREMATURE UNCHOKING PHENOMENON; SERIES CONNECTION;

NOZZLES;

CALIBRATION; FLOWMETER; NOZZLE; REYNOLDS NUMBER;

EID: 0034567627     PISSN: 09555986     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0955-5986(00)00030-3     Document Type: Article

References (6)

1. Primary calibration of the Boeing 18 kg/sec airflow calibration transfer standard
2. The application of sonic (critical flow) nozzles in the gas industry
3. Very accurate analytical calculation of the discharge coefficients of critical venturi nozzles with laminar boundary layer
4. Discharge coefficient of critical nozzles machined by super-accurate lathes
5. Gas flow measurement by collection time and density in a constant volume
6. Comparison techniques for small sonic nozzles