Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"BWI"”.
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Peran Badan Wakaf Indonesia dalam pengembangan wakaf uang di Indonesia: Konsep dan praktik ditinjau dari UU no. 41 tahun 2004 tentang wakaf
… pada masyarakat luas. Badan Wakaf Indonesia (BWI) adalah lembaga wakaf yang mempunyai tugas untuk membina dan mengelola wakaf secara nasional atau internasional. Penelitian ini difokuskan pada pertanyaan: a) Bagaimana peran BWI dalam pengembangan wakaf uang di Indonesia?, b) Bagaimana …
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Numerical investigation of air vehicle noise propagation effects
… and analysis, results on Blade Wake Interaction (BWI) noise were also reached. Presently, the mechanism of BWI noise generation, as well as the corresponding prediction model, are still under consideration. Helicopter rotor BWI noise is known to be significant during take-off and level flight, …
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Large commercial airports in the United States : operative revenue framework
… and Baltimore/Washington International Airport (BWI).
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Turbulent flowfield downstream of a perpendicular airfoil--vortex interaction
… the prediction of helicopter noise, particularly BWI noise. Three-component velocity and turbulence measurements were made in unprecedented detail using a computerized miniature four-sensor hot-wire probe system; revealing much about the structure and behavior of this flow over a range of …
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Propeller Noise Prediction of an Urban Air Mobility Vehicle in Urban Environment
… interaction (BVI) and blade–wake interaction (BWI) mechanisms are also dominant. This section explores the application of the Overset mesh method for propeller simulations in OpenFOAM and compares its performance against the Arbitrary Mesh Interface (AMI) approach in OpenFOAM. While AMI has …
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Erfassung von Sturmschäden mit Hilfe moderner Radar-Fernerkundungssystemen
… Topographische Karten im Maßstab 1:25.000, BWI-Daten, das digitale Höhenmodell des Landesvermessungsamtes und sämtliche innerhalb des Projekts Sturmmon verwendeten Fernerkundungsdaten zur Verfügung. Die Auswertungen sämtlicher Erfassungsvarianten wird mit Hilfe eines im Gelände erstellten …
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Measurement and Prediction of Rotor Noise Sources for sUAS in Outdoor and Laboratory Environments
… (R_tip≥ 267 mm) broadband noise associated with BWI or TIN were not mitigated at low inflow speeds. Predictions of tonal noise at the BPF were within 3 dB for all observer locations when considering the smallest rotor studied. Predictions of the measured directivity at the BPF for the larger …