NUMERICAL CALCULATIONS OF WATER DROP USING A FIREFIGHTING AIRCRAFT
Zbigniew CZYŻ
z.czyz@law.mil.plPolish Air Force University, Aeronautics Faculty (Poland)
https://orcid.org/0000-0003-2281-1149
Paweł KARPIŃSKI
Lublin University of Technology, Faculty of Mechanical Engineering, Department of Thermodynamics, Fluid Mechanics and Aviation Propulsion Systems, Poland (Poland)
https://orcid.org/0000-0001-5786-1248
Krzysztof SKIBA
Lublin University of Technology, Faculty of Mechanical Engineering, Department of Thermodynamics, Fluid Mechanics and Aviation Propulsion Systems, Poland (Poland)
Szymon BARTKOWSKI
(Poland)
Abstract
The study involved a numerical analysis of the water dropping process by fixed-wing aircraft. This method, also known as air attack, is used for aerial firefighting, primarily in green areas such as forests and meadows. The conducted calculations allowed for the analysis of the process over time. The calculations were performed based on a SolidWorks model of the M18B Dromader aircraft. After defining the computational domain and setting the boundary conditions, the simulations were carried out using the ANSYS Fluent software. The resulting water dropping area was used to analyze the intensity of water distribution. The volumetric distribution and airflow velocity distribution were analyzed for specified time steps. The boundary layer where air no longer mixes with water during the final phase of water dropping was also determined. The obtained results provide an important contribution to further analyses aimed at optimizing the water dropping process by fixed-wing aircraft.
Keywords:
aerial firefighting, fixed-wing aircraft, CFD analysis, waterbombingReferences
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Authors
Zbigniew CZYŻz.czyz@law.mil.pl
Polish Air Force University, Aeronautics Faculty Poland
https://orcid.org/0000-0003-2281-1149
Authors
Paweł KARPIŃSKILublin University of Technology, Faculty of Mechanical Engineering, Department of Thermodynamics, Fluid Mechanics and Aviation Propulsion Systems, Poland Poland
https://orcid.org/0000-0001-5786-1248
Authors
Krzysztof SKIBALublin University of Technology, Faculty of Mechanical Engineering, Department of Thermodynamics, Fluid Mechanics and Aviation Propulsion Systems, Poland Poland
Authors
Szymon BARTKOWSKIPoland
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