Calibration characteristics of a three-hole probe and a static tube in wet steam

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Abstract

Total pressure tubes, yawmeters and static probes can be used for measurements in droplet laden flows, e.g., mists and wet steam. But to be successful it is important when calibrating the instruments that the characteristics of the droplets be satisfactorily matched. Water droplets formed by nucleation in the wet stages of steam turbines are very small and difficult to reproduce under steady flow conditions. To produce wet steam with realistic droplet sizes requires a supply of supercooled steam which can be created under blow-down conditions by the equipment employed. The calibration characteristics of a three-hole probe and a static tube in superheated and in wet steam are presented. (C) 2001 Elsevier Science Inc. All rights reserved.

Details

Original languageEnglish
Pages (from-to)537-542
Number of pages6
JournalInternational Journal of Heat and Fluid Flow
Volume22
Issue number5
Publication statusPublished - 25 Nov 2001