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On the Expediency of Developing a Two-Stage Model of Boiling Crisis of a Liquid Wetting a Heating Surface

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Abstract

This short report substantiates the advisability of developing a two-stage model for the emergence and development of a boiling crisis. One of the stages is the violation of the stability of the two-phase wall layer, and the other is the appearance and fusion of dry spots on the heating surface. The use of a two-stage (“temporary”) model makes it possible to combine both well-known approaches to crisis analysis—hydrodynamic and thermal—in a single logical system. In the first approach, the characteristics of the boiling crisis are characteristic of high pressures in a boiling liquid, while those in the second are for low pressures.

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REFERENCES

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Authors and Affiliations

  1. Peter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, Russia

    E. D. Fedorovich

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  1. E. D. Fedorovich
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Correspondence to E. D. Fedorovich.

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Fedorovich, E.D. On the Expediency of Developing a Two-Stage Model of Boiling Crisis of a Liquid Wetting a Heating Surface. Therm. Eng. 67, 844–846 (2020). https://doi.org/10.1134/S0040601520110051

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  • DOI: https://doi.org/10.1134/S0040601520110051

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