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Showing 1 to 12 of 12 for “"Supersonic nozzle"”.
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Molecular Rotational Zeeman Effect and Supersonic Nozzle Beam - Microwavespectrometer Studies
Made available in DSpace on 2014-12-10T23:01:39Z (GMT). No. of bitstreams: 1 7405675.pdf: 5348985 bytes, checksum: 87d2fc9a17d2b289aff6c19b46b3596f (MD5) Previous issue date: 1973
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CFD Performance of Turbulence Models for Flow from Supersonic Nozzle Exhausts
… eddy-viscosity turbulence models for computing supersonic nozzle exhaust flows. These flows are of relevance in the development of future supersonic transport airplane. Flow simulations of exhaust flows from three supersonic nozzles are computed using ANSYS Fluent. Simulation results are …
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Microwave Spectroscopic Studies; Cyclopropanone, Molecular Zeeman Effects, and Supersonic Nozzle Beam Applications
Made available in DSpace on 2014-12-09T17:36:38Z (GMT). No. of bitstreams: 1 7013447.pdf: 4660102 bytes, checksum: 57453939a32804dc745c6353502059e7 (MD5) Previous issue date: 1969
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Rotational Spectroscopy of Weakly-Bound Complexes Utilizing a High-Temperature Molecular Source (Microwave)
… employing a Fabry-Perot cavity and a pulsed, supersonic nozzle. A high-temperature molecular source that permits the study of complexes involving low-vapor-pressure species is presented.
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Cascade wind tunnel for transonic compressor blading studies.
… transition sections and for the computation of supersonic nozzle contours. Complete machine drawings for the important components of the facility are included.
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Structure and Dynamics of Van Der Waals Molecules From Microwave Spectroscopy
… in a Fabry-Perot cavity with a pulsed supersonic nozzle as the molecular source. Analyses of the spectra give information concerning the structures and intramolecular potential energy surfaces of these complexes.
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Propulsion performance of a microcavity discharge device
… validated the performance of an integral supersonic nozzle and provided an estimate of the thrust coefficient obtainable in a fully developed system. Paschen minimum breakdown measurements provided insight into the fundamental physics of the MCD thruster and suggested an optimal voltage …
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Pulsed plasma microjets: a new tool for the investigation of plasma kinetics and molecular spectroscopy
… By integrating a microplasma device with a supersonic nozzle, temperatures as low as 50 K were achieved for molecules having lifetimes shorter than 40 ns and excitation (internal) energies ≳ 11 eV. Additionally, final temperatures ranging from 90 K to 900 K for a set of nested electronic …
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Analysis, fabrication and testing of a MEMS-based micropropulsion system
… the use of small lightweight components. The nozzle converts the stored energy in a pressurized gas into kinetic energy through an expansion. The nozzle efficiency is characterized by the amount of kinetic energy leaving the nozzle, and is governed by the exit velocity~ Because of the increase …
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Investigating the Structures of Turbulence in a Multi-stream, Rectangular, Supersonic Jet
<p>Supersonic flight has become a standard for military aircraft, and is being seriously reconsidered for commercial applications. Engine technologies, enabling increased mission capabilities and vehicle performance, have evolved nozzles into complex geometries with intricate flow features. These …
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Fluidic Thrust Vectoring of Actively Controlled Nozzle Flows
L'abstract è presente nell'allegato / the abstract is in the attachment
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Effect of Nozzle Pressure Ratio on Thrust and Flow Behavior in a Supersonic De Laval Nozzle
<p>Supersonic nozzles operate across a range of flow regimes. While an ideally expanded condition yields optimal thrust, practical propulsion systems rarely operate at this design point due to variations in altitude and engine operating conditions. As a result, nozzles frequently operate in …