acoustic streaming

简明释义

声流;

英英释义

例句

1.In ultrasonic cleaning, acoustic streaming helps remove contaminants from surfaces.

在超声波清洗中，声流有助于去除表面的污染物。

2.The effect of acoustic streaming can enhance the mixing of fluids in industrial processes.

声流的效果可以增强工业过程中的流体混合。

3.Researchers are studying acoustic streaming to improve drug delivery systems in medical applications.

研究人员正在研究声流以改善医学应用中的药物递送系统。

4.The phenomenon of acoustic streaming occurs when sound waves create a steady flow of fluid.

当声波产生稳定的流体流动时，就会出现声流现象。

5.By manipulating acoustic streaming, scientists can control the movement of particles in a fluid.

通过操控声流，科学家可以控制流体中颗粒的运动。

作文

In recent years, the study of sound waves and their applications has gained significant attention in various fields, from medicine to engineering. One fascinating phenomenon that arises from the interaction of sound waves with fluids is known as acoustic streaming. This term refers to the steady flow of fluid induced by the absorption of sound energy, which can have profound implications in both natural and artificial systems. Understanding acoustic streaming is crucial for harnessing its potential in practical applications such as ultrasound therapy, microfluidics, and even environmental monitoring.The concept of acoustic streaming can be explained through the principles of acoustics and fluid dynamics. When sound waves propagate through a fluid, they create regions of high and low pressure, causing the fluid to move. This movement is not merely a random motion; rather, it results in a coherent flow pattern due to the continuous nature of the sound waves. The intensity and frequency of the sound waves play a critical role in determining the characteristics of this flow. For instance, higher frequencies typically lead to more pronounced acoustic streaming, as the energy transfer to the fluid is more efficient.One of the most exciting applications of acoustic streaming is in the field of medical ultrasound. Here, it is utilized to enhance drug delivery and improve the targeting of therapies. By generating acoustic streaming within body tissues, healthcare professionals can facilitate the movement of drugs to specific areas, increasing their efficacy while minimizing side effects. This technique holds great promise for treating conditions such as cancer, where precise drug delivery is paramount.Moreover, acoustic streaming plays a vital role in microfluidics, a technology that manipulates small volumes of fluids for various applications, including chemical analysis and biological assays. In this context, acoustic streaming can be used to control the movement of tiny droplets or particles within microchannels. By applying specific sound frequencies, researchers can achieve precise control over the flow dynamics, leading to improved efficiency in processes such as mixing, separation, and reaction kinetics.Environmental monitoring is another area where acoustic streaming proves beneficial. Scientists can use sound waves to detect changes in water quality or to monitor the behavior of aquatic organisms. The acoustic streaming generated by natural sound sources, such as marine life, can provide valuable insights into ecosystem health and dynamics. Furthermore, understanding how human-generated sounds affect aquatic environments is crucial for developing strategies to mitigate negative impacts on wildlife.Despite its numerous applications, the study of acoustic streaming is still an evolving field. Researchers continue to explore the underlying mechanisms and potential new uses for this phenomenon. As technology advances, we can expect to see even more innovative applications emerge, further demonstrating the importance of understanding acoustic streaming in our modern world.In conclusion, acoustic streaming is a remarkable phenomenon that showcases the intricate relationship between sound and fluid dynamics. Its applications span across various fields, from enhancing medical treatments to improving environmental monitoring techniques. As we deepen our understanding of acoustic streaming, we unlock new possibilities for innovation and progress in science and technology.

近年来，声波及其应用的研究在医学和工程等各个领域引起了显著关注。一个引人入胜的现象是声波与流体相互作用所产生的，称为声流。这个术语指的是由声能吸收引起的流体的稳定流动，这在自然和人工系统中都有深远的影响。理解声流对于利用其在超声治疗、微流体技术甚至环境监测等实际应用中的潜力至关重要。声流的概念可以通过声学和流体动力学的原理进行解释。当声波在流体中传播时，它们会产生高压和低压区域，导致流体移动。这种运动并不是随机的，而是由于声波的连续性而产生的连贯流动模式。声波的强度和频率在决定这种流动特征方面起着关键作用。例如，较高的频率通常会导致更明显的声流，因为声能向流体的转移更加有效。声流最令人兴奋的应用之一是在医学超声领域。在这里，它被用于增强药物输送和改善治疗靶向。通过在体内组织中产生声流，医疗专业人员可以促进药物向特定区域的移动，从而提高药物的疗效，同时减少副作用。这项技术在治疗癌症等需要精确药物输送的疾病中具有巨大潜力。此外，声流在微流体技术中也发挥着重要作用，这是一种操纵小体积流体以用于化学分析和生物检测的技术。在这种情况下，声流可以用来控制微通道内微小液滴或颗粒的运动。通过施加特定的声频，研究人员可以实现对流动动态的精确控制，从而提高混合、分离和反应动力学等过程的效率。环境监测是另一个声流证明有益的领域。科学家可以使用声波来检测水质变化或监测水生生物的行为。自然声源（如海洋生物）产生的声流可以提供有关生态系统健康和动态的宝贵见解。此外，了解人类产生的声音如何影响水生环境对于制定减轻对野生动物的负面影响的策略至关重要。尽管有许多应用，声流的研究仍然是一个不断发展的领域。研究人员继续探索这种现象的基本机制和潜在的新用途。随着技术的发展，我们可以期待看到更多创新应用的出现，进一步展示理解声流在我们现代世界中的重要性。总之，声流是一个非凡的现象，展示了声学与流体动力学之间错综复杂的关系。它的应用跨越多个领域，从增强医疗治疗到改善环境监测技术。随着我们对声流理解的加深，我们将为科学和技术的创新与进步打开新的可能性。