WMLES of a Small-Scale Hovering Propeller
Само за регистроване кориснике
2023
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Propellers/rotors are usually indispensable parts of unmanned air vehicles that enable them to hover, fly, and maneuver. It is therefore extremely important to understand and resolve various flow structures that are present during flight. Here, the flow around a hovering, small-scale, custom-made propeller is numerically investigated by wall-modeled large eddy simulation (WMLES). Different operating regimes, achieved by changing RPMs, were both measured and computed, and the two sets of results are compared. Additional flow visualizations in the form of instantaneous flow fields are presented. While the computed thrust and power curves follow the expected trends, slight discrepancy between the experimental and numerical values is observed. It can be attributed to differences in the two setups (i.e., some simplifications of the real geometry in the numerical experiment) as well as the complexity of flow transition processes (present at such small Reynolds number flows).
Кључне речи:
Propeller / Turbulence / LES / Hover / ThrustИзвор:
New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation., 2023, 259-264Издавач:
- Springer, Cham.
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200105 (Универзитет у Београду, Машински факултет) (RS-MESTD-inst-2020-200105)
Колекције
Институција/група
Mašinski fakultetTY - CONF AU - Svorcan, Jelena AU - Ivey, Christopher PY - 2023 UR - https://machinery.mas.bg.ac.rs/handle/123456789/7002 AB - Propellers/rotors are usually indispensable parts of unmanned air vehicles that enable them to hover, fly, and maneuver. It is therefore extremely important to understand and resolve various flow structures that are present during flight. Here, the flow around a hovering, small-scale, custom-made propeller is numerically investigated by wall-modeled large eddy simulation (WMLES). Different operating regimes, achieved by changing RPMs, were both measured and computed, and the two sets of results are compared. Additional flow visualizations in the form of instantaneous flow fields are presented. While the computed thrust and power curves follow the expected trends, slight discrepancy between the experimental and numerical values is observed. It can be attributed to differences in the two setups (i.e., some simplifications of the real geometry in the numerical experiment) as well as the complexity of flow transition processes (present at such small Reynolds number flows). PB - Springer, Cham. C3 - New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation. T1 - WMLES of a Small-Scale Hovering Propeller EP - 264 SP - 259 DO - 10.1007/978-3-031-37160-8_39 ER -
@conference{ author = "Svorcan, Jelena and Ivey, Christopher", year = "2023", abstract = "Propellers/rotors are usually indispensable parts of unmanned air vehicles that enable them to hover, fly, and maneuver. It is therefore extremely important to understand and resolve various flow structures that are present during flight. Here, the flow around a hovering, small-scale, custom-made propeller is numerically investigated by wall-modeled large eddy simulation (WMLES). Different operating regimes, achieved by changing RPMs, were both measured and computed, and the two sets of results are compared. Additional flow visualizations in the form of instantaneous flow fields are presented. While the computed thrust and power curves follow the expected trends, slight discrepancy between the experimental and numerical values is observed. It can be attributed to differences in the two setups (i.e., some simplifications of the real geometry in the numerical experiment) as well as the complexity of flow transition processes (present at such small Reynolds number flows).", publisher = "Springer, Cham.", journal = "New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation.", title = "WMLES of a Small-Scale Hovering Propeller", pages = "264-259", doi = "10.1007/978-3-031-37160-8_39" }
Svorcan, J.,& Ivey, C.. (2023). WMLES of a Small-Scale Hovering Propeller. in New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation. Springer, Cham.., 259-264. https://doi.org/10.1007/978-3-031-37160-8_39
Svorcan J, Ivey C. WMLES of a Small-Scale Hovering Propeller. in New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation.. 2023;:259-264. doi:10.1007/978-3-031-37160-8_39 .
Svorcan, Jelena, Ivey, Christopher, "WMLES of a Small-Scale Hovering Propeller" in New Technologies and Developments in Unmanned Systems. ISUDEF 2022. Sustainable Aviation. (2023):259-264, https://doi.org/10.1007/978-3-031-37160-8_39 . .