Experiments in a Large, Non-Equilibrium MHD Generator with Cesium Seeded, Noble Gases and Heated Electrodes PDF Download
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Author: B. Zauderer
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Category :
Languages : en
Pages : 18
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Book Description
An experimental study was performed of the operating characteristics of a linear, supersonic Faraday generator, having heated wire electrodes suspended in the gas flow. The test gases were argon, neon, helium seeded with 0.8% cesium. It was observed that locating the electrode outside the cold boundary layer greatly reduced the current ignition voltage at the electrodes below that obtained previously with flush mounted electrodes. However, heating the electrodes to 1600K temperatures produced no significant improvement in the electrode performance over that obtained with room temperature electrodes at current densities of about 10 amp/sq/cm. In both cases, the electrode conduction was through arc spots with cathode losses of about 60V. (Author).
Author: B. Zauderer
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
An experimental study was performed of the operating characteristics of a linear, supersonic Faraday generator, having heated wire electrodes suspended in the gas flow. The test gases were argon, neon, helium seeded with 0.8% cesium. It was observed that locating the electrode outside the cold boundary layer greatly reduced the current ignition voltage at the electrodes below that obtained previously with flush mounted electrodes. However, heating the electrodes to 1600K temperatures produced no significant improvement in the electrode performance over that obtained with room temperature electrodes at current densities of about 10 amp/sq/cm. In both cases, the electrode conduction was through arc spots with cathode losses of about 60V. (Author).
Author:
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Category :
Languages : en
Pages : 534
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Author: Bert Zauderer
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Category :
Languages : en
Pages : 19
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The report presents a summary of the progress during the past year on a continuing investigation aimed at determining the operating characteristics of the linear, non-equilibrium MHD generator. The main effort of the past year was concentrated on reducing the electrode losses in the generator by using heated electrodes which protruded into the gas stream. Using an MHD channel, which was specially constructed for this purpose, large scale electrical power was obtained for the first time in cesium seeded, noble gases at gas stagnation temperatures as low as 2000K. Various electrode structures, both hot and cold, were investigated; but the electrode design was not as important as the cesium concentration in determining the electrode drops. During the past year, construction of a larger MHD channel and of a considerably more powerful MHD magnet and power supply were nearly completed. (Author).
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Category : Nuclear energy
Languages : en
Pages : 600
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Category : Aeronautics
Languages : en
Pages : 974
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Category : Nuclear energy
Languages : en
Pages : 1162
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Author:
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Category : Nuclear engineering
Languages : en
Pages : 616
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Author:
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Category : Nuclear engineering
Languages : en
Pages : 1004
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Author:
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ISBN:
Category : Nuclear engineering
Languages : en
Pages : 368
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Category : Direct energy conversion
Languages : en
Pages : 904
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