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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Abrupt changes in air pressure in the vicinity of a conductor with flowing electric current
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Abrupt changes in air pressure in the vicinity of a conductor with flowing electric current

机译：具有流动电流的导体附近的空气压力的突然变化

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摘要

A change of thermodynamic parameters of surrounding air is experimentally investigated in the vicinity of metal conductor in which electric current flows. Substantial variations of pressure that are comparable with large meteorological variations are experimentally observed upon flowing a direct current pulse with a small amplitude and alternating currents of an industrial frequency through the conductor. Such significant and fast variations of the pressure occur at the instant the current in the conductor changes. Even current pulses with a short duration influence the pressure distinctly. Jumps of the pressure are experimentally observed in an investigated volume upon both building up the current amplitude and switching off the current pulse. These jumps are not typical for a usual cooling or heating of air mixture. It is expected that an exact correspondence between current pulses and the pressure variations makes it possible to create new technical equipment. The possibility of applying experimentally obtained results in device physics and nanotechnology science is of special interest.
机译：在电流流动的金属导体附近进行实验研究了周围空气的热力学参数的变化。在通过导体流动的小幅度和工业频率的交流电流流动直流电流脉冲时，实验地观察与大气象变化相当的压力的显着变化。压力的这种显着和快速变化在导体变化中的瞬时发生。甚至持续时间的电流脉冲明显影响压力。在构建电流幅度并关闭电流脉冲时，在调查的体积中在调查的体积中进行实验观察压力的跳跃。这些跳跃对于通常的冷却或加热空气混合物不是典型的。预计电流脉冲与压力变化之间的确切对应性使得可以创建新的技术设备。在设备物理和纳米技术科学中应用实验所获得的结果的可能性具有特殊兴趣。

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