恒定和交变电场对液滴变形和破坏的影响

IF 3.1 2区 物理与天体物理 Q1 ENGINEERING, AEROSPACE
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引用次数: 0

摘要

电磁场为当代火箭发动机提供推力,研究电磁场的影响正成为一个重要问题。要通过提高发动机性能和降低燃料消耗来保证太空飞行的安全,就必须解决这个问题。航天器的推进由低推力火箭发动机实现。离子胶体发动机的工作原理是带电液滴的静电加速。在低推力胶体发动机中,通过电喷雾产生的静态电场可加速带电液滴。利用电场主动控制液滴的运动和变形是许多行业中一项前景广阔的技术。本文研究了电磁场对粘性液体中液滴变形和破坏的影响。从物理机制的角度研究了电磁场对单个液滴和乳液的影响。用数值表示了恒定和交变电场对液滴的影响。探讨了液滴电毛细管数和粘度比对液滴非稳态变形的影响。找到了与液滴破坏相对应的参数。所得结果可用于提高当前工业电脱水机的效率,并推动基于电磁场的新型破乳化技术的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of constant and alternating electric fields on the deformation and destruction of a liquid droplet
Examining the impact of electromagnetic field, which provides thrust in contemporary rocket engines, is turning into a significant issue. Its resolution is required to guarantee the safety of space flight by enhancing engine performance and lowering fuel consumption. Spacecraft propulsion is achieved by low-thrust rocket engines. The principle of operation for ion colloid engines is the electrostatic acceleration of charged droplets. A static electric field accelerates charged liquid droplets created by electrospraying them in a low-thrust colloid engine. A promising technology in many industries is the active control of droplet motion and deformation with electric field. An electromagnetic field impact on droplet deformation and destruction in a viscous liquid is examined. The effect of electromagnetic field on individual droplets and emulsions is examined in terms of their physical mechanisms. Constant and alternating electric field effects on liquid droplet are represented numerically. The effects of droplet electric capillary number and viscosity ratio on droplet unsteady deformations is explored. The parameters that correspond to the droplet destruction are found. The results obtained have potential applications in enhancing the efficiency of current industrial electric dehydrators and in advancing the development of new electromagnetic field-based demulsification technologies.
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来源期刊
Acta Astronautica
Acta Astronautica 工程技术-工程:宇航
CiteScore
7.20
自引率
22.90%
发文量
599
审稿时长
53 days
期刊介绍: Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.
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