Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow
The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading...
Ausführliche Beschreibung
Autor*in: |
Lysak, Peter D. [verfasserIn] |
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E-Artikel |
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Englisch |
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2016transfer abstract |
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16 |
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Enthalten in: Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases - Brito-Zerón, P. ELSEVIER, 2013, Orlando, Fla |
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volume:66 ; year:2016 ; pages:315-330 ; extent:16 |
Links: |
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DOI / URN: |
10.1016/j.jfluidstructs.2016.07.018 |
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ELV03538753X |
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520 | |a The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. | ||
520 | |a The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. | ||
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10.1016/j.jfluidstructs.2016.07.018 doi GBVA2016015000003.pica (DE-627)ELV03538753X (ELSEVIER)S0889-9746(16)30425-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 550 VZ 38.48 bkl Lysak, Peter D. verfasserin aut Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow 2016transfer abstract 16 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. Airfoil gust response Elsevier Unsteady force measurement Elsevier Turbulence ingestion noise Elsevier Capone, Dean E. oth Jonson, Michael L. oth Enthalten in Elsevier Brito-Zerón, P. ELSEVIER Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases 2013 Orlando, Fla (DE-627)ELV017003725 volume:66 year:2016 pages:315-330 extent:16 https://doi.org/10.1016/j.jfluidstructs.2016.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO SSG-OPC-GEO 38.48 Marine Geologie VZ AR 66 2016 315-330 16 045F 530 |
spelling |
10.1016/j.jfluidstructs.2016.07.018 doi GBVA2016015000003.pica (DE-627)ELV03538753X (ELSEVIER)S0889-9746(16)30425-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 550 VZ 38.48 bkl Lysak, Peter D. verfasserin aut Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow 2016transfer abstract 16 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. Airfoil gust response Elsevier Unsteady force measurement Elsevier Turbulence ingestion noise Elsevier Capone, Dean E. oth Jonson, Michael L. oth Enthalten in Elsevier Brito-Zerón, P. ELSEVIER Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases 2013 Orlando, Fla (DE-627)ELV017003725 volume:66 year:2016 pages:315-330 extent:16 https://doi.org/10.1016/j.jfluidstructs.2016.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO SSG-OPC-GEO 38.48 Marine Geologie VZ AR 66 2016 315-330 16 045F 530 |
allfields_unstemmed |
10.1016/j.jfluidstructs.2016.07.018 doi GBVA2016015000003.pica (DE-627)ELV03538753X (ELSEVIER)S0889-9746(16)30425-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 550 VZ 38.48 bkl Lysak, Peter D. verfasserin aut Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow 2016transfer abstract 16 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. Airfoil gust response Elsevier Unsteady force measurement Elsevier Turbulence ingestion noise Elsevier Capone, Dean E. oth Jonson, Michael L. oth Enthalten in Elsevier Brito-Zerón, P. ELSEVIER Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases 2013 Orlando, Fla (DE-627)ELV017003725 volume:66 year:2016 pages:315-330 extent:16 https://doi.org/10.1016/j.jfluidstructs.2016.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO SSG-OPC-GEO 38.48 Marine Geologie VZ AR 66 2016 315-330 16 045F 530 |
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10.1016/j.jfluidstructs.2016.07.018 doi GBVA2016015000003.pica (DE-627)ELV03538753X (ELSEVIER)S0889-9746(16)30425-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 550 VZ 38.48 bkl Lysak, Peter D. verfasserin aut Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow 2016transfer abstract 16 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. Airfoil gust response Elsevier Unsteady force measurement Elsevier Turbulence ingestion noise Elsevier Capone, Dean E. oth Jonson, Michael L. oth Enthalten in Elsevier Brito-Zerón, P. ELSEVIER Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases 2013 Orlando, Fla (DE-627)ELV017003725 volume:66 year:2016 pages:315-330 extent:16 https://doi.org/10.1016/j.jfluidstructs.2016.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO SSG-OPC-GEO 38.48 Marine Geologie VZ AR 66 2016 315-330 16 045F 530 |
allfieldsSound |
10.1016/j.jfluidstructs.2016.07.018 doi GBVA2016015000003.pica (DE-627)ELV03538753X (ELSEVIER)S0889-9746(16)30425-X DE-627 ger DE-627 rakwb eng 530 530 DE-600 610 VZ 550 VZ 38.48 bkl Lysak, Peter D. verfasserin aut Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow 2016transfer abstract 16 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. Airfoil gust response Elsevier Unsteady force measurement Elsevier Turbulence ingestion noise Elsevier Capone, Dean E. oth Jonson, Michael L. oth Enthalten in Elsevier Brito-Zerón, P. ELSEVIER Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases 2013 Orlando, Fla (DE-627)ELV017003725 volume:66 year:2016 pages:315-330 extent:16 https://doi.org/10.1016/j.jfluidstructs.2016.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO SSG-OPC-GEO 38.48 Marine Geologie VZ AR 66 2016 315-330 16 045F 530 |
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Enthalten in Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases Orlando, Fla volume:66 year:2016 pages:315-330 extent:16 |
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Enthalten in Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases Orlando, Fla volume:66 year:2016 pages:315-330 extent:16 |
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Safety and usefulness of minimally-invasive biopsy of minor salivary glands in internal medicine: Searching for systemic infiltrative diseases |
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measurement of the unsteady lift of thick airfoils in incompressible turbulent flow |
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Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow |
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The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. |
abstractGer |
The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. |
abstract_unstemmed |
The unsteady lift spectrum for airfoils in turbulent flow has been measured in a water tunnel experiment. The results provide validation data for analytical models that account for the effect of airfoil thickness on the high frequency gust response. A series of four airfoils with elliptical leading edge profiles and thickness-to-chord ratios ranging from 8% to 16% were tested in grid-generated turbulence. The turbulent velocity spectrum was measured using Laser Doppler Velocimetry, and was found to be reasonably well approximated by an isotropic, homogeneous turbulence model. The unsteady force measurement setup and calibration procedure were designed to minimize the effect of system resonances, and contamination from facility vibration was reduced using a multiple coherence noise removal technique. Measurements of the unsteady lift spectrum were made at six speeds over the Reynolds number range 0.5–1.6million, and the results were collapsed into a non-dimensional force spectrum for the non-dimensional frequency range 1 < fc / U ∞ < 10 . The experimental results agree very well with theory and confirm the importance of accounting for thickness to avoid overprediction of the forces in the high frequency range. |
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Measurement of the unsteady lift of thick airfoils in incompressible turbulent flow |
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https://doi.org/10.1016/j.jfluidstructs.2016.07.018 |
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