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Advances in Heat Transfer Engineering

ISSN:
1-56700-198-1 (Print)

THE LITHUANIAN AIR VOLUME AND FLOW RATE STANDARDS

Antanas Pedisius
Lithuanian Energy Institute, Siluminø árenginiø tyrimo ir bandymø laboratorija, Breslaujos str. 3, LT-44403 Kaunas, Lithuania

Jurij Tonkonogij
Lithuanian Energy Institute, Heat Equipment Research and Testing Laboratory, Breslaujos 3, LT-44403 Kaunas-35, Lithuania

Abstract

The standard of air volume and flow rate units in the range of 0.005−6500 m3/h has been developed. The standard consist of three parts: bell type facility, sonic nozzles facility and reference gas meters facility. These parts differ by methods used, measurement ranges and measurement uncertainties. The standard is traceable to international and national standards. The standard design and main characteristics are presented and the results of comparison with standards of the leading European Metrological Institutes are presented too.