dissipation of energy

简明释义

能的散逸

英英释义

例句

1.The dissipation of energy during a car's braking process generates heat.

汽车刹车过程中的能量耗散会产生热量。

2.Engine designs aim to minimize the dissipation of energy to improve performance.

发动机设计旨在最小化能量耗散以提高性能。

3.In mechanical systems, the dissipation of energy can lead to reduced efficiency.

在机械系统中，能量耗散会导致效率降低。

4.The dissipation of energy in the form of heat is a common phenomenon in electrical circuits.

电路中能量以热的形式的能量耗散是一种常见现象。

5.Thermal insulation helps reduce the dissipation of energy from buildings.

热绝缘有助于减少建筑物的能量耗散。

作文

The concept of dissipation of energy is fundamental in understanding various physical processes that occur in our daily lives. At its core, dissipation of energy refers to the transformation of energy from one form to another, often resulting in a loss of usable energy, typically as heat. This phenomenon can be observed in numerous situations, from the simple act of driving a car to the complex workings of industrial machinery.When we drive a vehicle, for instance, the engine converts fuel into kinetic energy to propel the car forward. However, not all the energy from the fuel is converted efficiently. A significant portion is lost due to dissipation of energy, primarily through friction and heat generated in the engine and other moving parts. This inefficiency means that only a fraction of the energy stored in the fuel is used for actual movement, while the rest is dissipated into the environment.In a broader context, dissipation of energy plays a crucial role in thermodynamics, particularly in the second law, which states that energy systems tend to move towards a state of increased entropy. Entropy can be understood as a measure of disorder or randomness in a system. As energy is transformed and dissipated, it contributes to an increase in entropy, leading to a less organized state. This is why perpetual motion machines are impossible; they would violate this fundamental principle by creating energy without any dissipation.Another example of dissipation of energy can be seen in electrical circuits. When electricity flows through a conductor, some energy is inevitably lost as heat due to the resistance of the material. This is known as resistive heating, and it illustrates how electrical energy is not entirely efficient in its transmission. Engineers work diligently to minimize these losses in power lines and electronic devices to improve overall efficiency.Moreover, the dissipation of energy is also evident in natural processes, such as the cooling of hot objects. When a hot cup of coffee is left on a table, it gradually cools down as thermal energy is transferred to the surrounding air. This transfer of heat is a clear example of energy dissipation, where the initially concentrated thermal energy disperses into the environment, leading to a decrease in temperature over time.Understanding the dissipation of energy is essential for developing more efficient systems and technologies. Engineers and scientists constantly seek ways to reduce energy losses in various applications, whether in transportation, manufacturing, or electronics. Innovations such as regenerative braking in electric vehicles demonstrate how harnessing the energy that would otherwise be dissipated can enhance overall efficiency.In conclusion, the dissipation of energy is a critical concept with far-reaching implications across multiple fields. From everyday experiences like driving a car to complex scientific principles, recognizing how energy is transformed and lost helps us appreciate the importance of efficiency in both natural and engineered systems. By minimizing dissipation of energy, we can create a more sustainable future, making better use of the energy resources available to us while reducing our environmental impact.

能量的耗散概念在理解我们日常生活中发生的各种物理过程时至关重要。其核心是，能量的耗散指的是能量从一种形式转化为另一种形式，通常导致可用能量的损失，通常以热的形式出现。这种现象可以在许多情况下观察到，从简单的驾驶汽车到复杂的工业机械运作。例如，当我们驾驶一辆汽车时，发动机将燃料转化为动能，以推动汽车前进。然而，并非所有燃料中的能量都能有效转化。由于摩擦和发动机及其他运动部件产生的热量，显著部分能量会因能量的耗散而损失。这种低效意味着燃料中储存的能量只有一小部分用于实际运动，而其余部分则被散失到环境中。在更广泛的背景下，能量的耗散在热力学中扮演着关键角色，特别是在第二定律中，该定律指出能量系统趋向于增加熵的状态。熵可以理解为系统中无序或随机性的度量。随着能量被转化和耗散，它促进了熵的增加，导致系统变得不那么有序。这就是为什么永动机是不可能的；它们将违反这一基本原则，通过在没有任何耗散的情况下创造能量。另一个能量的耗散的例子可以在电路中看到。当电流通过导体流动时，由于材料的电阻，一些能量不可避免地以热的形式损失。这被称为电阻加热，它说明了电能在传输过程中并非完全有效。工程师们努力减少电力线和电子设备中的这些损失，以提高整体效率。此外，能量的耗散在自然过程中也显而易见，例如热物体的冷却。当一杯热咖啡放在桌子上时，随着热能转移到周围空气中，它逐渐冷却。这种热量的转移是能量耗散的明确例子，其中最初集中在一起的热能向环境扩散，导致温度随时间下降。理解能量的耗散对于开发更高效的系统和技术至关重要。工程师和科学家不断寻求减少各种应用中的能量损失，无论是在交通、制造还是电子产品中。诸如电动车的再生制动等创新展示了如何利用本来会被耗散的能量，从而提高整体效率。总之，能量的耗散是一个具有深远影响的关键概念，涉及多个领域。从日常体验如驾驶汽车到复杂的科学原理，认识到能量是如何转化和损失的，有助于我们欣赏效率在自然和工程系统中的重要性。通过最小化能量的耗散，我们可以创造一个更可持续的未来，更好地利用我们可用的能源资源，同时减少对环境的影响。