Subsonic aircraft's unsteady longitudinal stability derivatives calculation (Q2774621)
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scientific article; zbMATH DE number 1711089
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Subsonic aircraft's unsteady longitudinal stability derivatives calculation |
scientific article; zbMATH DE number 1711089 |
Statements
26 February 2002
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unsteady longitudinal aerodynamics stability
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aerodynamics flutter
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aerodynamic coefficients
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wing HA21A
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wing HA75H
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subsonic aircraft
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doublet lattice method
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software DERIV
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canard wing
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transport plane wing
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0.87884724
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0.85077584
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0.8426528
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0.8409996
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0.8402903
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0.8394172
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Subsonic aircraft's unsteady longitudinal stability derivatives calculation (English)
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The author develops a computational procedure based on well-known doublet lattice method to study the unsteady longitudinal aerodynamic stability of a subsonic aircraft. Unsteady behaviour of the aircraft is analyzed also theoretically. The developed software DERIV is tested on HA21A (canard wing) for steady flows, and on HA75H (typical transport plane wing) for unsteady flow. Comparison of the obtained results with the existing NASTRAN results for the same problem is satisfactory, so that the proposed procedure can be accepted as valid one.NEWLINENEWLINEFor the entire collection see [Zbl 0884.00052].
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