direct piezoelectric effect

简明释义

正压电效应

英英释义

例句

1.The sensor operates based on the direct piezoelectric effect, which generates an electrical charge in response to applied pressure.

该传感器基于直接压电效应工作，能够在施加压力时产生电荷。

2.In this experiment, we will measure how the direct piezoelectric effect can convert mechanical energy into electrical energy.

在这个实验中，我们将测量直接压电效应如何将机械能转换为电能。

3.Many modern microphones utilize the direct piezoelectric effect to convert sound waves into electrical signals.

许多现代麦克风利用直接压电效应将声波转换为电信号。

4.Understanding the direct piezoelectric effect can help improve the efficiency of energy harvesting devices.

理解直接压电效应可以帮助提高能量收集设备的效率。

5.The direct piezoelectric effect is crucial in the design of actuators that require precise movement.

在需要精确运动的执行器设计中，直接压电效应至关重要。

作文

The phenomenon known as the direct piezoelectric effect is a fascinating aspect of materials science and physics. This effect occurs when certain materials generate an electric charge in response to applied mechanical stress. The term 'piezoelectric' comes from the Greek word 'piezein', which means to press or squeeze, and 'electric', which refers to the generation of electrical energy. Understanding this effect is crucial for various applications ranging from sensors and actuators to energy harvesting systems. To illustrate the direct piezoelectric effect, let’s consider a simple example involving quartz crystals, which are one of the most well-known piezoelectric materials. When a mechanical force is applied to a quartz crystal, it distorts its internal structure. This distortion leads to an imbalance in the distribution of electrical charges within the crystal. As a result, an electric potential is generated across the material. This principle is utilized in various devices, such as microphones and pressure sensors, where the conversion of mechanical energy into electrical signals is essential.Another important aspect of the direct piezoelectric effect is its role in energy harvesting technologies. In today’s world, where energy efficiency is paramount, the ability to convert mechanical vibrations or movements into electrical energy presents a significant advantage. Devices that harness this effect can capture energy from everyday activities, such as walking or driving, and convert it into usable electrical power. For instance, piezoelectric materials can be embedded in roadways to harvest energy from the pressure exerted by vehicles passing over them. This innovative application not only provides a renewable energy source but also contributes to sustainable development goals.Furthermore, the direct piezoelectric effect is not limited to natural materials like quartz. Researchers are continuously developing synthetic piezoelectric materials, including polymers and ceramics, which exhibit enhanced piezoelectric properties. These advanced materials offer greater flexibility and adaptability, making them suitable for a wide range of applications, including wearable technology and biomedical devices. For example, piezoelectric sensors integrated into clothing can monitor body movements and provide real-time feedback, promoting health and fitness.In conclusion, the direct piezoelectric effect is a remarkable phenomenon that bridges the gap between mechanical and electrical energy. Its applications are vast and varied, impacting numerous fields such as electronics, renewable energy, and healthcare. As research continues to advance in this area, we can expect to see even more innovative uses of piezoelectric materials that will enhance our daily lives and contribute to a more sustainable future. Understanding and harnessing the direct piezoelectric effect will undoubtedly play a pivotal role in the technological advancements of tomorrow.

被称为直接压电效应的现象是材料科学和物理学中一个迷人的方面。当某些材料在施加机械应力时产生电荷时，就会发生这种效应。‘压电’一词源于希腊语‘piezein’，意思是按压或挤压，而‘电’指的是电能的生成。理解这一效应对于从传感器和执行器到能量收集系统的各种应用至关重要。为了说明直接压电效应，让我们考虑一个简单的例子，涉及到石英晶体，它是最著名的压电材料之一。当施加机械力时，石英晶体会扭曲其内部结构。这种扭曲导致晶体内电荷分布的不平衡。因此，在材料的两端产生电势。这一原理在各种设备中得到了应用，如麦克风和压力传感器，在这些设备中，将机械能转换为电信号是至关重要的。直接压电效应的另一个重要方面是其在能量收集技术中的作用。在当今这个能源效率至关重要的世界中，将机械振动或运动转换为电能的能力带来了显著的优势。利用这一效应的设备可以捕获日常活动中的能量，例如走路或驾驶，并将其转换为可用的电力。例如，压电材料可以嵌入道路中，以收集车辆通过时施加的压力产生的能量。这一创新应用不仅提供了一种可再生的能源来源，而且还为可持续发展目标做出了贡献。此外，直接压电效应并不仅限于天然材料如石英。研究人员不断开发合成压电材料，包括聚合物和陶瓷，这些材料表现出增强的压电特性。这些先进材料提供更大的灵活性和适应性，使其适用于广泛的应用，包括可穿戴技术和生物医学设备。例如，集成在衣物中的压电传感器可以监测身体运动并提供实时反馈，从而促进健康和健身。总之，直接压电效应是一个了不起的现象，它弥合了机械能与电能之间的差距。它的应用广泛而多样，影响着电子、可再生能源和医疗等多个领域。随着这一领域的研究不断进展，我们可以期待看到更多创新的压电材料应用，这将提升我们的日常生活并为更可持续的未来做出贡献。理解和利用直接压电效应无疑将在明天的技术进步中发挥关键作用。