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Title: Characteristics Of Small Sonic Nozzles
Author: K.A Park,Y.M Choi,H.M Choi,T.S Cha, B.H Yoon
Source: Flomeko 2000
Year Published: 2000
Abstract: Small sonic nozzles (throat diameter 0.284.48 mm) were tested in the gas flow standard system. This standard system is composed of two bell provers and 5 colum piston provers, compressor, filters, and dehumidifier. The discharge coefficients of small sonic nozzles are obtained and correlated as a function of throat Reynolds numbers with 0.33 % uncertainty at a confidence level 95 %. The tested high Reynolds number was the lower limit of ISO 9300 specifications. The data are useful as data base for revision of ISO 9300.




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