resistance strain gage

简明释义

电阻应变仪

英英释义

例句

1.Using a resistance strain gage 电阻应变计, we can measure the deformation of materials under load.

通过使用电阻应变计，我们可以测量材料在负载下的变形。

2.The data from the resistance strain gage 电阻应变计 helped us understand the failure points of the structure.

来自电阻应变计的数据帮助我们理解结构的失效点。

3.We calibrated the resistance strain gage 电阻应变计 to ensure accurate readings during the experiment.

我们对电阻应变计进行了校准，以确保实验期间读数的准确性。

4.A resistance strain gage 电阻应变计 is essential for testing the tensile strength of metals.

对于测试金属的抗拉强度来说，电阻应变计是必不可少的。

5.The engineer installed a resistance strain gage 电阻应变计 to monitor the stress levels in the bridge.

工程师安装了一个电阻应变计来监测桥梁的应力水平。

作文

The field of engineering often relies on precise measurements to ensure the safety and effectiveness of various structures and systems. One crucial instrument used in this regard is the resistance strain gage (电阻应变计). This device plays a significant role in measuring strain, which is the deformation experienced by an object when subjected to external forces. Understanding how a resistance strain gage works is essential for engineers and designers alike.A resistance strain gage consists of a thin metallic wire or foil arranged in a zigzag pattern. This arrangement is affixed to a backing material, which is then attached to the surface of an object that needs to be monitored. When the object experiences stress, it deforms, causing the resistance strain gage to stretch or compress. As the gage deforms, its electrical resistance changes. The relationship between strain and resistance change is governed by the gauge factor, which is a constant value specific to the material of the gage.The primary function of a resistance strain gage is to convert mechanical deformation into an electrical signal that can be measured and analyzed. By applying a known voltage across the gage, engineers can measure the change in resistance as the object deforms. This data can then be used to calculate the amount of strain experienced by the object, providing valuable insights into its structural integrity.One of the advantages of using a resistance strain gage is its high sensitivity and accuracy. These devices can detect minute changes in strain, making them ideal for applications in fields such as civil engineering, aerospace, and mechanical engineering. For instance, when testing the load-bearing capacity of a bridge, engineers can use multiple resistance strain gages placed at strategic points to monitor how the structure responds to weight.Moreover, resistance strain gages are versatile and can be applied to various materials, including metals, plastics, and composites. This adaptability allows engineers to utilize them in diverse environments, from laboratory settings to real-world field applications. Additionally, advancements in technology have led to the development of wireless resistance strain gages, which eliminate the need for cumbersome wiring and enable remote monitoring of structures.However, it is essential to consider the limitations of resistance strain gages. Factors such as temperature fluctuations can affect their performance, leading to inaccurate readings if not properly compensated. Engineers must account for these variables when designing experiments or monitoring systems, ensuring that the data collected is reliable.In conclusion, the resistance strain gage (电阻应变计) is an invaluable tool in the field of engineering, enabling precise measurement of strain in various materials and structures. Its ability to convert mechanical deformation into measurable electrical signals has made it a staple in many industries. By understanding the principles and applications of resistance strain gages, engineers can enhance their designs, ensuring safety and efficiency in their projects. As technology continues to advance, the potential for resistance strain gages to contribute to innovative engineering solutions will only grow, making them an essential component in the quest for improved structural integrity and performance.

工程领域通常依赖精确的测量，以确保各种结构和系统的安全性和有效性。一个在这方面至关重要的仪器是电阻应变计（resistance strain gage）。该设备在测量应变方面发挥着重要作用，应变是指物体在外力作用下所经历的变形。理解电阻应变计的工作原理对于工程师和设计师来说至关重要。电阻应变计由一根薄金属丝或箔片组成，呈锯齿形排列。这种排列固定在背衬材料上，然后附着在需要监测的物体表面。当物体承受应力时，它会变形，导致电阻应变计拉伸或压缩。随着应变计的变形，其电阻发生变化。应变与电阻变化之间的关系由一个称为灵敏度系数的常数决定，该常数特定于应变计的材料。电阻应变计的主要功能是将机械变形转换为可测量和分析的电信号。通过在应变计两端施加已知电压，工程师可以测量当物体变形时电阻的变化。然后，这些数据可用于计算物体经历的应变量，提供对其结构完整性的宝贵见解。使用电阻应变计的一个优点是其高灵敏度和准确性。这些设备能够检测微小的应变变化，非常适合用于土木工程、航空航天和机械工程等领域。例如，在测试桥梁的承载能力时，工程师可以在战略位置放置多个电阻应变计，以监测结构对重量的响应。此外，电阻应变计具有多功能性，可以应用于各种材料，包括金属、塑料和复合材料。这种适应性使工程师能够在实验室环境到实际现场应用中利用它们。此外，技术的进步导致无源电阻应变计的发展，消除了繁琐的布线需求，使远程监测结构成为可能。然而，考虑到电阻应变计的局限性也是很重要的。温度波动等因素可能会影响其性能，如果没有适当的补偿，会导致不准确的读数。工程师在设计实验或监测系统时必须考虑这些变量，确保收集的数据可靠。总之，电阻应变计（resistance strain gage）是工程领域中一项宝贵的工具，能够精确测量各种材料和结构中的应变。它将机械变形转换为可测量的电信号的能力使其成为许多行业的主流。通过理解电阻应变计的原理和应用，工程师可以增强他们的设计，确保项目的安全性和效率。随着技术的不断进步，电阻应变计在创新工程解决方案中贡献的潜力只会增加，使其成为提升结构完整性和性能的关键组成部分。