Flow characterization of low sweep MULDICON wing at low speed
Purpose: The flow topology for multi-disciplinary configuration (MULDICON) wing is very complicated and nonlinear at low to high angle of attack (AOA). This paper aims to provide the correlation between the unsteadiness and uncertainties of the flow topology and aerodynamic forces and moments above...
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| Format: | Article |
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Emerald Publishing
2023
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| _version_ | 1796867762616795136 |
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| author | Haider, Bilal Mansor, Shuhaimi Mat, Shabudin Nasir, Nazri |
| author_facet | Haider, Bilal Mansor, Shuhaimi Mat, Shabudin Nasir, Nazri |
| author_sort | Haider, Bilal |
| collection | ePrints |
| description | Purpose: The flow topology for multi-disciplinary configuration (MULDICON) wing is very complicated and nonlinear at low to high angle of attack (AOA). This paper aims to provide the correlation between the unsteadiness and uncertainties of the flow topology and aerodynamic forces and moments above MULDICON WING at a medium to a higher AOA. Design/methodology/approach: The experimental and computational fluid dynamics methods were used to investigate a generic MULDICON wing. During the experiment, the AOA were varied from a = 5° to 30°, whereas yaw angle varies between ß = ±20° and Reynolds number between Re = 3.0 × 105 and Re = 4.50 × 105. During the experiments steady-state loading, dynamic loading and flow visualization wind tunnel methods were used. Findings: The standard deviation quantified the unsteadiness and uncertainties of flow topology and predicted that they significantly affect the pitching moment (Cm) at medium to higher AOA. A strong correlation between flow topology and Cm was exhibited, and the experiment data was well validated by previous numerical work. The aerodynamic center was not fixed and shifted toward the wing apex when AOA is increasing. For a = 10°, the flow becomes more asymmetric. Power spectral densities plots quantify the flow separation (apex vortex, leading-edge vortex and vortex breakdown) over the MULDICON wing. Originality/value: The application and comparison of steady-state and dynamic loading data to quantify the unsteadiness and uncertainties of flow topology above the MULDICON wing. |
| first_indexed | 2024-04-09T03:45:44Z |
| format | Article |
| id | utm.eprints-104969 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-04-09T03:45:44Z |
| publishDate | 2023 |
| publisher | Emerald Publishing |
| record_format | dspace |
| spelling | utm.eprints-1049692024-04-01T06:33:34Z http://eprints.utm.my/104969/ Flow characterization of low sweep MULDICON wing at low speed Haider, Bilal Mansor, Shuhaimi Mat, Shabudin Nasir, Nazri TJ Mechanical engineering and machinery Purpose: The flow topology for multi-disciplinary configuration (MULDICON) wing is very complicated and nonlinear at low to high angle of attack (AOA). This paper aims to provide the correlation between the unsteadiness and uncertainties of the flow topology and aerodynamic forces and moments above MULDICON WING at a medium to a higher AOA. Design/methodology/approach: The experimental and computational fluid dynamics methods were used to investigate a generic MULDICON wing. During the experiment, the AOA were varied from a = 5° to 30°, whereas yaw angle varies between ß = ±20° and Reynolds number between Re = 3.0 × 105 and Re = 4.50 × 105. During the experiments steady-state loading, dynamic loading and flow visualization wind tunnel methods were used. Findings: The standard deviation quantified the unsteadiness and uncertainties of flow topology and predicted that they significantly affect the pitching moment (Cm) at medium to higher AOA. A strong correlation between flow topology and Cm was exhibited, and the experiment data was well validated by previous numerical work. The aerodynamic center was not fixed and shifted toward the wing apex when AOA is increasing. For a = 10°, the flow becomes more asymmetric. Power spectral densities plots quantify the flow separation (apex vortex, leading-edge vortex and vortex breakdown) over the MULDICON wing. Originality/value: The application and comparison of steady-state and dynamic loading data to quantify the unsteadiness and uncertainties of flow topology above the MULDICON wing. Emerald Publishing 2023 Article PeerReviewed Haider, Bilal and Mansor, Shuhaimi and Mat, Shabudin and Nasir, Nazri (2023) Flow characterization of low sweep MULDICON wing at low speed. Aircraft Engineering and Aerospace Technology, 95 (7). pp. 1081-1091. ISSN 1748-8842 http://dx.doi.org/10.1108/AEAT-03-2022-0092 DOI : 10.1108/AEAT-03-2022-0092 |
| spellingShingle | TJ Mechanical engineering and machinery Haider, Bilal Mansor, Shuhaimi Mat, Shabudin Nasir, Nazri Flow characterization of low sweep MULDICON wing at low speed |
| title | Flow characterization of low sweep MULDICON wing at low speed |
| title_full | Flow characterization of low sweep MULDICON wing at low speed |
| title_fullStr | Flow characterization of low sweep MULDICON wing at low speed |
| title_full_unstemmed | Flow characterization of low sweep MULDICON wing at low speed |
| title_short | Flow characterization of low sweep MULDICON wing at low speed |
| title_sort | flow characterization of low sweep muldicon wing at low speed |
| topic | TJ Mechanical engineering and machinery |
| work_keys_str_mv | AT haiderbilal flowcharacterizationoflowsweepmuldiconwingatlowspeed AT mansorshuhaimi flowcharacterizationoflowsweepmuldiconwingatlowspeed AT matshabudin flowcharacterizationoflowsweepmuldiconwingatlowspeed AT nasirnazri flowcharacterizationoflowsweepmuldiconwingatlowspeed |