lumped parameter

简明释义

集总参数

英英释义

例句

1.The lumped parameter 集中参数 approach is useful in fluid dynamics for estimating pressure drops.

在流体动力学中，lumped parameter 集中参数方法对于估算压降非常有用。

2.The lumped parameter 集中参数 method allows for easier simulation of dynamic systems.

lumped parameter 集中参数方法允许更容易地模拟动态系统。

3.Using a lumped parameter 集中参数 model can help engineers quickly analyze system behavior.

使用lumped parameter 集中参数模型可以帮助工程师快速分析系统行为。

4.In control systems, a lumped parameter 集中参数 model simplifies the design of controllers.

在控制系统中，lumped parameter 集中参数模型简化了控制器的设计。

5.In thermal analysis, we often use a lumped parameter 集中参数 model to simplify the calculations.

在热分析中，我们通常使用lumped parameter 集中参数模型来简化计算。

作文

In the field of engineering and physics, the concept of lumped parameter systems plays a crucial role in simplifying complex systems for analysis and design. A lumped parameter system is one in which all the parameters, such as resistance, capacitance, and inductance, are assumed to be concentrated at a single point rather than distributed over space. This simplification allows engineers to model and analyze systems more efficiently, especially when dealing with large-scale systems where detailed spatial information may be unnecessary or impractical.For instance, consider an electrical circuit consisting of resistors and capacitors. Instead of analyzing the entire physical layout of the circuit, engineers can use the lumped parameter approach to treat each component as if it were located at a single point. This reduces the complexity of calculations and allows for easier application of circuit laws, such as Ohm’s law and Kirchhoff’s laws. By using this method, engineers can quickly determine the behavior of the circuit under various conditions without getting bogged down in intricate details.The lumped parameter model is not limited to electrical systems; it is also widely used in thermal systems. For example, when analyzing the heat transfer in a solid object, engineers may treat the object as having a uniform temperature throughout its volume instead of considering temperature variations at different points. This assumption simplifies the heat transfer equations and makes it easier to predict how the object will respond to changes in its environment.However, while the lumped parameter approach offers significant advantages in terms of simplicity and computational efficiency, it is essential to recognize its limitations. The assumption that parameters are concentrated at a single point may lead to inaccuracies in situations where spatial variations are significant. For example, in fluid dynamics, the flow characteristics may vary greatly within a pipe, making the lumped parameter model less applicable. In such cases, a distributed parameter model, which accounts for variations across the system, would provide a more accurate representation.To illustrate the importance of understanding when to apply the lumped parameter approach, let us consider the design of a heating system for a large building. If the engineer uses the lumped parameter model without considering the distribution of heat loss through walls and windows, the resulting design may be inefficient. The engineer might underestimate the required heating capacity, leading to discomfort for the occupants. Therefore, it is crucial to assess the specific characteristics of the system being analyzed and decide whether the lumped parameter model is appropriate.In conclusion, the lumped parameter approach is a powerful tool in the fields of engineering and physics, allowing for simplified analysis and design of complex systems. While it provides many benefits, engineers must remain vigilant about its limitations and apply it judiciously. By doing so, they can leverage the advantages of the lumped parameter model while ensuring that their designs are both efficient and effective. Understanding when and how to utilize this approach is key to successful engineering practice, ultimately leading to better solutions and innovations in technology.

在工程和物理学领域，集中参数系统的概念在简化复杂系统的分析和设计中起着至关重要的作用。集中参数系统是指所有参数，如电阻、电容和电感，被假设集中在一个点上，而不是分布在空间中。这种简化使工程师能够更高效地建模和分析系统，尤其是在处理大规模系统时，详细的空间信息可能不必要或不切实际。例如，考虑一个由电阻器和电容器组成的电路。工程师可以使用集中参数的方法，将每个组件视为位于一个点上，而不是分析整个电路的物理布局。这减少了计算的复杂性，并使电路定律（如欧姆定律和基尔霍夫定律）的应用变得更加容易。通过这种方法，工程师可以快速确定电路在各种条件下的行为，而无需陷入复杂的细节中。集中参数模型不仅限于电气系统；它在热系统中也被广泛使用。例如，在分析固体物体的热传递时，工程师可能将物体视为在其体积内具有均匀温度，而不是考虑不同点的温度变化。这一假设简化了热传递方程，并使预测物体对环境变化的响应变得更加容易。然而，虽然集中参数方法在简化和计算效率方面提供了显著优势，但必须认识到它的局限性。假设参数集中在一个点上可能会导致在空间变化显著的情况下出现不准确。例如，在流体动力学中，流动特性可能在管道内变化很大，这使得集中参数模型的适用性降低。在这种情况下，考虑系统各部分变化的分布参数模型将提供更准确的表示。为了说明理解何时应用集中参数方法的重要性，让我们考虑一个大型建筑供暖系统的设计。如果工程师在没有考虑墙壁和窗户的热损失分布的情况下使用集中参数模型，则最终设计可能效率低下。工程师可能会低估所需的加热能力，导致居住者的不适。因此，评估被分析系统的具体特征并决定集中参数模型是否合适是至关重要的。总之，集中参数方法是工程和物理学领域中的一种强大工具，允许对复杂系统进行简化的分析和设计。虽然它提供了许多好处，但工程师必须时刻关注其局限性，并谨慎地应用它。通过这样做，他们可以利用集中参数模型的优势，同时确保他们的设计既高效又有效。理解何时以及如何利用这一方法是成功工程实践的关键，最终将导致技术上的更好解决方案和创新。