李强¹,张钧²,卢少波¹,高晓¹,李子腾¹,王振波¹

• 1:中国石油大学(华东) 新能源学院， 山东 青岛 266580
• 2:浙江大学 能源工程学院， 浙江 杭州 310027

摘要(Abstract)：

功率超声作为一种新兴的绿色技术，越来越受到石油行业的重视。结合稠油超声降黏机制，从气泡瞬态演化规律和溃灭特性出发，对超声作用下空化气泡和空化流场进行数值模拟和实验验证。模拟结果表明，增加超声频率和减小气泡之间的距离会导致单个空化气泡最大半径的减小，气泡个数的增加会使气泡生长至破裂过程的速度减小，延长超声作用时间和增大超声频率可增加超声场中最大空化压力。实验表明，空化气泡不断在超声场中振荡并互相聚并，且随着超声作用时间的延长，该过程更加剧烈。研究内容为稠油超声降黏在石油化工行业的应用提供了重要的理论指导。

关键词(KeyWords)： 超声波;气泡动力学;数值模拟;高速摄影技术

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52176050)；山东省自然科学基金(ZR2020ME174)

作者(Author): 李强¹,张钧²,卢少波¹,高晓¹,李子腾¹,王振波¹

DOI: 10.3969/j.issn.1003-9015.2024.01.008

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