通过使用特斯拉门的流量模式切换形成纳米泡
George Joseph1, Bincy Binny1, Andre R Venter1
1Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008-5413, United States.
ACS omega
|May 5, 2025
概括
一种新的特斯拉方法有效地产生100-200nm范围内的纳米泡 (NBs). 这种具有成本效益的技术为工业应用提供了有希望的可扩展性和低能耗.
科学领域:
- 材料科学 材料科学 材料科学
- 流体动力学 流体动力学
- 纳米技术 纳米技术
背景情况:
- 纳米泡 (NBs) 是溶液中的气体腔体,直径约为200nm,对各种应用具有独特的特性.
- 目前用于NB生成的实验室规模方法包括超声波和压力循环,每个都有局限性.
研究的目的:
- 引入和评估一种新的,具有成本效益的方法,用于使用通过特斯拉循环流动的纳米泡生成.
- 在泡特性方面,将特斯拉方法的性能与现有技术 (超声波,压力循环) 进行比较.
主要方法:
- 使用CO2或N2通过通过特斯拉,超声波和压力循环切换流程模式生成纳米泡.
- 使用纳米粒子跟踪分析 (NTA) 来测量气泡直径.
- 气泡度和泽塔潜力也被量化用于比较分析.
主要成果:
- 特斯拉方法产生了平均直径为110nm的CO2纳米泡,与超声波相比.
- 特斯拉门方法的气泡度为3.8 × 10^8气泡/毫升,高于超声波,但低于压力循环.
- 测量了Zeta电位在-33mV,这表明了有利的表面电荷特性.
结论:
- 通过特斯拉进行流量循环是产生100-200nm范围内的纳米泡的有效方法.
- 这种技术与替代实验室方法相比,具有较低能耗和可扩展性的潜力.
- 特斯拉门方法为具有成本效益和可扩展的纳米泡生产提供了一个有希望的替代方案.
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