alternating load

简明释义

更迭载荷

英英释义

例句

1.Engineers must consider alternating load 交替负载 when designing circuits for renewable energy sources.

工程师在为可再生能源设计电路时必须考虑交替负载。

2.In electrical engineering, an alternating load 交替负载 refers to loads that change over time.

在电气工程中，交替负载指的是随时间变化的负载。

3.The generator must be capable of handling an alternating load 交替负载 to ensure stability during operation.

发电机必须能够处理交替负载以确保在运行期间的稳定性。

4.Our new power system is designed to efficiently manage alternating loads 交替负载 during peak hours.

我们的新电力系统旨在高峰时段有效管理交替负载。

5.The testing facility simulates alternating loads 交替负载 to evaluate the durability of our products.

测试设施模拟交替负载以评估我们产品的耐用性。

作文

In the realm of engineering and physics, the concept of alternating load plays a critical role in understanding how structures and materials respond to varying forces. An alternating load is defined as a load that changes direction or magnitude over time, typically experienced in dynamic environments such as bridges, buildings, and mechanical systems. This type of loading can result from various factors, including environmental conditions, operational activities, and even human interactions. For instance, consider a bridge that experiences traffic; the weight of vehicles crossing the bridge creates an alternating load as cars accelerate and decelerate, causing fluctuations in the forces acting on the structure.Understanding alternating load is essential for engineers who design and analyze structures to ensure their safety and longevity. When a structure is subjected to alternating load, it may undergo fatigue, which is the progressive and localized structural damage that occurs when a material is subjected to cyclic loading. This phenomenon can lead to cracks and eventual failure if not properly accounted for during the design phase. Therefore, engineers must conduct thorough analyses, often employing computational methods and simulations to predict how structures will behave under alternating load conditions.The implications of alternating load extend beyond mere structural integrity; they also encompass economic factors. Structures designed without considering alternating load may require more frequent repairs and maintenance, leading to increased costs over time. Furthermore, the potential for catastrophic failure due to inadequate design against alternating load can have severe consequences, both in terms of human safety and financial impact. Thus, incorporating the effects of alternating load into the design process is not only a technical necessity but also a moral obligation for engineers.In addition to traditional civil engineering applications, alternating load concepts are also prevalent in mechanical engineering, particularly in the design of rotating machinery and components. For example, a rotating shaft experiences alternating load due to the varying forces exerted by attached gears or belts. Understanding these loads is crucial for ensuring the reliability and efficiency of mechanical systems. Engineers must analyze these loads to prevent failures that could lead to downtime or accidents.In conclusion, the significance of alternating load in engineering cannot be overstated. It is a fundamental aspect that influences the design, analysis, and maintenance of structures and mechanical systems. By thoroughly understanding and accounting for alternating load, engineers can create safer, more reliable, and cost-effective solutions that stand the test of time. As we continue to advance in technology and engineering practices, the knowledge of alternating load will remain a cornerstone in the pursuit of innovative and sustainable designs.

在工程和物理领域，交变载荷的概念在理解结构和材料如何响应变化的力方面起着至关重要的作用。交变载荷被定义为随时间变化方向或大小的载荷，通常在动态环境中经历，例如桥梁、建筑物和机械系统。这种类型的载荷可能由于各种因素而产生，包括环境条件、操作活动甚至人类互动。例如，考虑一座经历交通的桥梁；车辆通过桥梁的重量会产生交变载荷，因为汽车加速和减速，导致作用在结构上的力的波动。理解交变载荷对于设计和分析结构的工程师至关重要，以确保其安全性和耐久性。当结构受到交变载荷时，可能会经历疲劳，这是一种在材料受到循环载荷时发生的逐步和局部结构损伤。这种现象如果在设计阶段没有得到妥善考虑，可能会导致裂缝和最终失效。因此，工程师必须进行彻底的分析，通常采用计算方法和模拟来预测结构在交变载荷条件下的行为。交变载荷的影响不仅限于结构完整性；还包括经济因素。设计时未考虑交变载荷的结构可能需要更频繁的维修和维护，从而导致长期成本增加。此外，由于设计不充分以抵御交变载荷而导致的潜在灾难性故障可能会造成严重后果，无论是在人员安全还是财务影响方面。因此，在设计过程中纳入交变载荷的影响不仅是技术上的必要性，也是工程师的道德义务。除了传统的土木工程应用外，交变载荷概念在机械工程中也很普遍，特别是在旋转机械和组件的设计中。例如，旋转轴因附加齿轮或皮带施加的变化力而经历交变载荷。理解这些载荷对于确保机械系统的可靠性和效率至关重要。工程师必须分析这些载荷，以防止可能导致停机或事故的故障。总之，交变载荷在工程中的重要性不容低估。它是影响结构和机械系统的设计、分析和维护的基本方面。通过全面理解和考虑交变载荷，工程师可以创造出更安全、更可靠和更具成本效益的解决方案，能够经受住时间的考验。随着我们在技术和工程实践中的不断进步，对交变载荷的知识将始终是追求创新和可持续设计的基石。