Prediction of dryout and post-dryout wall temperature at different operating parameters for once-through steam generators
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- 作者：Jianxin Shi ; Baozhi Sun ; sunbaozhi@163.com" class="auth_mail" title="E-mail the corresponding author ; Guolei Zhang ; zhangguolei@hrbeu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Fuyuan Song ; Longbin Yang
- 关键词：Once-through steam generator ; Dryout ; Post-dryout ; Flow boiling ; Heat transfer deterioration
- 刊名：International Journal of Heat and Mass Transfer
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：103
- 期：Complete
- 页码：66-76
- 全文大小：3390 K
文摘
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Three-flow-field model is used to predict dryout and post-dryout wall temperature.
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The occurrence of dryout leads to a sharp decline in heat transfer performance.
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Post-dryout wall temperatures at different mass fluxes are obtained.
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Dryout occurs later as pressure increases with a smaller wall temperature variation.