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Numerical Analysis of Dry Ice Blasting Convergent-Divergent Supersonic Nozzle

Author

Listed:
  • Aleksandra Dzido

    (Institute of Heat Engineering, Warsaw University of Technology, 00-665 Warszawa, Poland)

  • Piotr Krawczyk

    (Institute of Heat Engineering, Warsaw University of Technology, 00-665 Warszawa, Poland)

  • Michalina Kurkus-Gruszecka

    (Institute of Heat Engineering, Warsaw University of Technology, 00-665 Warszawa, Poland)

Abstract

There are several well-known and widely used industrial cleaning methods in the market today. One of them is dry ice blasting. In this method, moisture-free air is compressed, mixed with solid CO 2 particles, and blasted though a nozzle; in the process, the gas expands, propelling its velocity. The high-speed, two-phase flow cleans by supercooling and crushing particles on the surface, causing dry ice sublimation. As the nozzle is a crucial component of the system, the authors conducted a numerical analysis of the geometry of the proposed convergent-divergent nozzle. A mathematical model of the supersonic, two-phase flow was developed and implemented in commercial Computational Fluid Dynamics (CFD) code. Various operating parameters, such as inlet pressure and dry ice mass flow, were taken into consideration.

Suggested Citation

  • Aleksandra Dzido & Piotr Krawczyk & Michalina Kurkus-Gruszecka, 2019. "Numerical Analysis of Dry Ice Blasting Convergent-Divergent Supersonic Nozzle," Energies, MDPI, vol. 12(24), pages 1-14, December.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:24:p:4787-:d:298365
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    Citations

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    Cited by:

    1. Hamza Fawzy & Qun Zheng & Naseem Ahmad & Yuting Jiang, 2020. "Optimization of A Swirl with Impingement Compound Cooling Unit for A Gas Turbine Blade Leading Edge," Energies, MDPI, vol. 13(1), pages 1-23, January.
    2. Monika Zubrowska-Sudol & Aleksandra Dzido & Agnieszka Garlicka & Piotr Krawczyk & Michał Stępień & Katarzyna Umiejewska & Justyna Walczak & Marcin Wołowicz & Katarzyna Sytek-Szmeichel, 2020. "Innovative Hydrodynamic Disintegrator Adjusted to Agricultural Substrates Pre-treatment Aimed at Methane Production Intensification—CFD Modelling and Batch Tests," Energies, MDPI, vol. 13(16), pages 1-19, August.
    3. Dzido, Aleksandra & Krawczyk, Piotr & Badyda, Krzysztof & Chondrokostas, Piotr, 2021. "Operational parameters impact on the performance of dry-ice blasting nozzle," Energy, Elsevier, vol. 214(C).
    4. Aleksandra Dzido & Piotr Krawczyk, 2023. "Abrasive Technologies with Dry Ice as a Blasting Medium—Review," Energies, MDPI, vol. 16(3), pages 1-15, January.

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