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Measurements of Burnout Conditions for Flow of Boiling Water in Vertical Round Ducts (Part 2)

Abstract

The present report deals with the results of the second phase of an experimental investigation of burnout conditions for flow of boiling water in vertical round ducts. The following ranges of variables were studied and 809 burnout measurements were obtained. Pressure 5. 3 < p < 37. 3 kg/cm{sup 2}; Inlet subcooling 56 < {delta}t{sub sub} < 212 deg C; Steam quality 0. 20 < x{sub BO} < 0.95; Heat Flux 50 < q/A < 515 W/cm{sup 2}; Mass velocity 100 < m'/F < 1890 kg/m{sup 2}s; Heated length 600 < L < 2500 mm; Duct diameter d = 10 mm. The results are presented in diagrams, where for a certain geometry, the burnout steam qualities, x{sub BO} , were plotted against the pressure with the surface heat flux as parameter. The data have been correlated by curves, and the scatter around the curves is less than {+-} 5 per cent. In the ranges investigated, the observed steam quality at burnout, X{sub BO} generally decreases with increasing heat flux and mass velocity but increases with increasing pressure. The data have been compared with the empirical correlation by Tong, and excellent agreement was found for pressures higher than 10 kg/cm{sup 2}.
Publication Date:
Jun 15, 1963
Product Type:
Technical Report
Report Number:
AE-114
Resource Relation:
Other Information: 13 refs., 20 figs., 1 tab.
Subject:
42 ENGINEERING; TWO-PHASE FLOW; ACCURACY; PRESSURE DEPENDENCE; STEAM QUALITY; FLOW RATE; INTERNAL FRICTION; FLUID FLOW; DUCTS; BURNOUT
OSTI ID:
20930959
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708370
Availability:
Commercial reproduction prohibited; OSTI as DE20930959
Submitting Site:
SWDN
Size:
34 pages
Announcement Date:
Sep 29, 2007

Citation Formats

Becker, Kurt M, Persson, P, Nilsson, L, and Eriksson, O. Measurements of Burnout Conditions for Flow of Boiling Water in Vertical Round Ducts (Part 2). Sweden: N. p., 1963. Web.
Becker, Kurt M, Persson, P, Nilsson, L, & Eriksson, O. Measurements of Burnout Conditions for Flow of Boiling Water in Vertical Round Ducts (Part 2). Sweden.
Becker, Kurt M, Persson, P, Nilsson, L, and Eriksson, O. 1963. "Measurements of Burnout Conditions for Flow of Boiling Water in Vertical Round Ducts (Part 2)." Sweden.
@misc{etde_20930959,
title = {Measurements of Burnout Conditions for Flow of Boiling Water in Vertical Round Ducts (Part 2)}
author = {Becker, Kurt M, Persson, P, Nilsson, L, and Eriksson, O}
abstractNote = {The present report deals with the results of the second phase of an experimental investigation of burnout conditions for flow of boiling water in vertical round ducts. The following ranges of variables were studied and 809 burnout measurements were obtained. Pressure 5. 3 < p < 37. 3 kg/cm{sup 2}; Inlet subcooling 56 < {delta}t{sub sub} < 212 deg C; Steam quality 0. 20 < x{sub BO} < 0.95; Heat Flux 50 < q/A < 515 W/cm{sup 2}; Mass velocity 100 < m'/F < 1890 kg/m{sup 2}s; Heated length 600 < L < 2500 mm; Duct diameter d = 10 mm. The results are presented in diagrams, where for a certain geometry, the burnout steam qualities, x{sub BO} , were plotted against the pressure with the surface heat flux as parameter. The data have been correlated by curves, and the scatter around the curves is less than {+-} 5 per cent. In the ranges investigated, the observed steam quality at burnout, X{sub BO} generally decreases with increasing heat flux and mass velocity but increases with increasing pressure. The data have been compared with the empirical correlation by Tong, and excellent agreement was found for pressures higher than 10 kg/cm{sup 2}.}
place = {Sweden}
year = {1963}
month = {Jun}
}