A visualization comparison of convective flow boiling heat transfer augmentation devices /
(1985) are compared with the experimental data. The
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1998.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | (1985) are compared with the experimental data. The 3.72, a static mixer, and a circumferentailly wrapped 7.21) exhibits the highest heat transfer coefficients. 80 to 135 kl-a. Flow regime definitions and commentary accurately predict the churn to annular transition. al. (1980) and Mcouillan and Whalley (1985) fail to are presented for all but the static mixer data. For are presented regarding contemporary flow regime ascertain the qualitative effects of these devices. augmentation devices on vertical in-tube convective Average saturated boiling heat transfer coefficients Fair (1960) map is found to be inadequate in flow boiling flow regimes, transition mechanisms, and from 0.8 to 12.3 kW/m2 were fluid. Mass fluxes from 10 heat transfer are presented in this study. Three heating fluid and ethanol as the test 2 d heat fluxes long counterflow test section with water as the maps by Taitel et at. (1980) and Mcouillan and Whalley percent of the heat transfer data. predicting the experimental data. Both the Taitel et regime map by Fair (1960) and theoretical flow regime techniques were conducted in a transparent 58.4 cm The Chen (1966) flow boiling correlation predicted 63 The qualitative effects of inset-table heat transfer phics. these data, the second twisted tape (twist ratio of to 100 kg/m s an examined for pressures ranging from transition models. Additionally, an empirical flow twisted tapes with twist ratios of 9.50, 7.2 1, and Visualization experiments using high resolution video wire screen were compared with bare tube data to |
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| Item Description: | "Major subject: Mechanical Engineering". Vita. |
| Physical Description: | xv, 173 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references (leaves 129-131). |