封面内页，第 3 卷第 1 号，2024 年 1 月

Droplet Pub Date : 2024-01-24 DOI:10.1002/dro2.113

Diego Sánchez-Saldaña, Maria Fernandino, Carlos A. Dorao

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摘要

封面内页：封面图片来自 Sánchez-Saldaña 等人撰写的研究文章《用于液滴内部流动驱动的声学微束涡流发生器》。在液滴底部放置一个微型螺旋 IDT 会产生一个声学涡流，从而在液滴内部诱发极性流动，中心为上升流，外围为下降流。本文表明，微小尺寸的螺旋 IDT 可以控制液滴内部流动驱动的尺度，这反过来又可用于促进对粒子的操作。(DOI: 10.1002/dro2.96)

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Inside Front Cover, Volume 3, Number 1, January 2024

Inside Front Cover: The cover image is based on the Research Article Acoustic micro-beam vortex generator for flow actuation inside droplets by Sánchez-Saldaña et al.

A micro-size spiral IDT placed at the base of the droplet leads to an acoustic vortex that induces a poloidal flow inside the droplet with an ascendent flow in the centre and descendent flow in the periphery. This paper shows that the micro-size spiral IDT can control the scale of the flow actuation inside the droplet which in turn can be used for facilitating the operations on particles. (DOI: 10.1002/dro2.96)

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