strain gauge

简明释义

应变规

英英释义

例句

1.The engineer installed a strain gauge to measure the deformation of the bridge under heavy loads.

工程师安装了一个应变计以测量桥梁在重载下的变形。

2.The strain gauge provided accurate data on the structural integrity of the building.

该应变计提供了关于建筑物结构完整性的准确数据。

3.In our lab, we use a strain gauge to monitor the stress levels in various materials during testing.

在我们的实验室中，我们使用应变计监测测试过程中各种材料的应力水平。

4.Using a strain gauge, the researchers were able to detect minute changes in pressure.

通过使用应变计，研究人员能够检测到微小的压力变化。

5.The strain gauge was calibrated to ensure precise measurements in the experiment.

该应变计经过校准，以确保实验中的精确测量。

作文

In the field of engineering and materials science, understanding the behavior of materials under stress is crucial. One of the most effective tools for measuring this behavior is the strain gauge. A strain gauge is a device used to measure the amount of deformation or strain experienced by an object when subjected to external forces. When a material is loaded, it deforms, and this deformation can be quantified using a strain gauge. The principle behind a strain gauge is relatively simple: it consists of a thin wire or foil arranged in a zigzag pattern that is bonded to the surface of the material being tested. As the material deforms, the length and diameter of the wire change, leading to a change in its electrical resistance. This change in resistance can then be measured and correlated to the amount of strain experienced by the material.The applications of strain gauges are vast and varied. They are commonly used in structural engineering to monitor the integrity of bridges, buildings, and other structures. By placing strain gauges at strategic points, engineers can obtain real-time data on how these structures respond to loads, temperature changes, and environmental factors. This information is invaluable for ensuring safety and longevity. In addition to civil engineering, strain gauges are also widely used in mechanical engineering, aerospace, and automotive industries. For example, in the development of aircraft, strain gauges can be used to monitor the stresses experienced by wings and fuselage during flight tests.Moreover, the use of strain gauges extends beyond traditional engineering applications. In the medical field, they can be used in devices to measure the forces exerted by muscles or to monitor the strain on prosthetics. This data can help in designing better orthopedic devices that provide improved comfort and functionality for users. The installation and calibration of a strain gauge require precision and expertise. Proper bonding of the gauge to the material is essential for accurate measurements. If the bond is not strong or if there are contaminants on the surface, the readings can be skewed. Therefore, engineers must ensure that the surface is clean and that the gauge is installed correctly. After installation, the strain gauge must be calibrated to ensure that the readings correspond accurately to the known strains. This process often involves applying known forces and adjusting the system until the output matches expected values.In conclusion, the strain gauge is an indispensable tool in modern engineering and research. Its ability to provide precise measurements of strain makes it essential for ensuring the safety and reliability of various structures and devices. As technology advances, the capabilities of strain gauges continue to improve, leading to even more innovative applications across different fields. Understanding how to effectively use and interpret data from a strain gauge is a valuable skill for engineers and scientists alike, as it contributes significantly to the advancement of technology and the safety of our built environment.

在工程和材料科学领域，理解材料在应力下的行为至关重要。测量这种行为的最有效工具之一是应变计。应变计是一种用于测量物体在外力作用下经历的变形或应变的设备。当材料受力时，它会变形，这种变形可以通过应变计进行量化。应变计的原理相对简单：它由一根细线或箔片以锯齿状排列并粘附在被测试材料的表面上。随着材料变形，导线的长度和直径发生变化，从而导致其电阻的变化。这种电阻的变化可以被测量并与材料所经历的应变量相关联。应变计的应用广泛且多样。它们通常用于结构工程中，以监测桥梁、建筑物和其他结构的完整性。通过在战略点放置应变计，工程师可以获得实时数据，了解这些结构如何响应载荷、温度变化和环境因素。这些信息对于确保安全和延长使用寿命是无价的。除了土木工程，应变计还广泛应用于机械工程、航空航天和汽车工业。例如，在飞机开发中，可以使用应变计来监测机翼和机身在飞行测试中所经历的应力。此外，应变计的使用超越了传统工程应用。在医疗领域，它们可以用于测量肌肉施加的力量或监测假肢上的应变。这些数据可以帮助设计出更好的矫形设备，为用户提供更好的舒适性和功能性。安装和校准应变计需要精确和专业知识。将传感器正确粘合到材料上对于准确测量至关重要。如果粘合不牢固或表面有污染物，读数可能会失真。因此，工程师必须确保表面干净，并且传感器安装正确。在安装后，应变计必须进行校准，以确保读数与已知应变准确对应。这个过程通常涉及施加已知的力，并调整系统，直到输出与期望值匹配。总之，应变计是现代工程和研究中不可或缺的工具。它提供精确的应变测量能力，使其成为确保各种结构和设备安全可靠的重要工具。随着技术的进步，应变计的能力不断提高，导致在不同领域中出现更多创新的应用。有效理解和解释应变计数据的能力是工程师和科学家们都非常宝贵的技能，因为这对技术的进步和我们建成环境的安全性有着重要贡献。