displacement volume

简明释义

汽缸工纵积

英英释义

例句

1.The engine's displacement volume 排量 is crucial for determining its power output.

发动机的displacement volume 排量 对于确定其功率输出至关重要。

2.To calculate the displacement volume 排量, you need to know the bore and stroke of the cylinder.

要计算displacement volume 排量，您需要知道气缸的孔径和行程。

3.A larger displacement volume 排量 typically means more torque and horsepower.

更大的displacement volume 排量 通常意味着更多的扭矩和马力。

4.The displacement volume 排量 of a vehicle can affect its fuel efficiency.

车辆的displacement volume 排量 可能会影响其燃油效率。

5.Racers often modify their engines to increase the displacement volume 排量 for better performance.

赛车手通常会修改他们的发动机以增加displacement volume 排量 以获得更好的性能。

作文

The concept of displacement volume is crucial in various fields, including engineering and physics. It refers to the volume of fluid that is displaced by an object when it is submerged in a fluid or the volume of space that a moving piston occupies in an engine. Understanding this concept is essential for designing efficient engines and understanding how different fluids interact with solid objects. In the context of internal combustion engines, displacement volume plays a significant role in determining the power output and efficiency of the engine. The displacement volume is calculated based on the dimensions of the cylinders within the engine. A larger displacement volume typically means that the engine can burn more fuel and air mixture, which can lead to higher power outputs. However, it also often results in increased fuel consumption and emissions, making it a double-edged sword for engineers who strive to balance performance with environmental considerations.For instance, consider a car engine with a displacement volume of 2.0 liters. This means that the total volume of all the engine’s cylinders adds up to 2.0 liters. When the engine operates, the pistons move up and down, creating a cycle of intake, compression, power, and exhaust. During the intake stroke, the engine draws in air and fuel to fill the available displacement volume. The larger the displacement volume, the more air and fuel can be drawn in, leading to a potentially more powerful explosion during the combustion phase.However, it is important to note that a higher displacement volume does not always equate to better performance. Advances in technology have allowed smaller engines, often referred to as turbocharged engines, to produce similar or even greater power outputs than their larger counterparts by forcing more air into the displacement volume. This has led to a trend where manufacturers are increasingly focusing on optimizing displacement volume rather than simply increasing it.Moreover, the displacement volume is also relevant in the field of fluid mechanics. When an object is placed in a fluid, it displaces a certain volume of that fluid. The principle of buoyancy, formulated by Archimedes, states that the upward buoyant force experienced by a submerged object is equal to the weight of the fluid that is displaced. This principle is fundamental in understanding how ships float and how submarines dive and surface. In summary, the term displacement volume encompasses a wide range of applications and implications across different scientific and engineering disciplines. Whether it’s in the realm of automotive engineering, where it affects engine performance, or in fluid dynamics, where it helps explain buoyancy, understanding displacement volume is vital. As technology continues to evolve, so too will our understanding and application of this important concept, leading to innovations that may redefine efficiency and performance in various industries. Therefore, grasping the nuances of displacement volume is essential for anyone looking to excel in fields related to mechanics, engineering, and physics.

“排量”这一概念在工程和物理等多个领域至关重要。它指的是一个物体在液体中被淹没时所排开的液体体积，或者是一个发动机中活塞所占据的空间体积。理解这个概念对于设计高效的发动机和理解不同流体与固体物体之间的相互作用至关重要。在内燃机的背景下，排量在决定发动机的功率输出和效率方面起着重要作用。排量是根据发动机内气缸的尺寸计算得出的。通常，较大的排量意味着发动机可以燃烧更多的燃料和空气混合物，这可能导致更高的功率输出。然而，它也往往会导致燃油消耗和排放的增加，这使得工程师在追求性能与环境考虑之间必须找到平衡。例如，考虑一款排量为2.0升的汽车发动机。这意味着发动机所有气缸的总体积加起来为2.0升。当发动机运转时，活塞上下移动，创造出进气、压缩、动力和排气的循环。在进气冲程中，发动机吸入空气和燃料，以填充可用的排量。排量越大，能够吸入的空气和燃料就越多，从而在燃烧阶段产生更强烈的爆炸。然而，重要的是要注意，较高的排量并不总是意味着更好的性能。技术的进步使得小型发动机（通常称为涡轮增压发动机）能够通过强制将更多空气引入排量，从而产生与其更大对手相似甚至更高的功率输出。这导致制造商越来越关注优化排量而不是单纯增加它。此外，排量在流体力学领域也相关。当一个物体放置在液体中时，它会排开一定体积的液体。阿基米德提出的浮力原理表明，被淹没物体所经历的向上浮力等于排开的液体的重量。这个原理对于理解船只如何浮起以及潜艇如何潜水和浮出水面至关重要。总之，排量这一术语涵盖了不同科学和工程学科中的广泛应用和影响。无论是在汽车工程领域，它影响着发动机性能，还是在流体动力学中，它帮助解释浮力，理解排量至关重要。随着技术的不断发展，我们对这一重要概念的理解和应用也将不断深化，从而推动各种行业的创新，重新定义效率和性能。因此，掌握排量的细微差别对于任何希望在机械、工程和物理相关领域中脱颖而出的人来说都是必不可少的。