buoyancy effect

简明释义

浮力效应

英英释义

The buoyancy effect refers to the upward force exerted by a fluid on an object that is partially or fully submerged in it, which counteracts the weight of the object and can cause it to float.

浮力效应是指流体对部分或完全浸没在其中的物体施加的向上力,这种力抵消了物体的重量,可以使其漂浮。

例句

1.The engineers studied the buoyancy effect to design better submarines.

工程师们研究了浮力效应以设计更好的潜艇。

2.The buoyancy effect helps ships float on water.

浮力效应帮助船只漂浮在水面上。

3.In a swimming pool, the buoyancy effect allows people to stay afloat.

在游泳池中,浮力效应使人们能够漂浮。

4.The buoyancy effect is crucial for divers when they adjust their buoyancy.

对于潜水员来说,浮力效应在他们调整浮力时至关重要。

5.When balloons are filled with helium, the buoyancy effect makes them rise.

当气球充满氦气时,浮力效应使它们上升。

作文

The concept of the buoyancy effect is fundamental in understanding how objects behave in fluids. This principle explains why some items float while others sink, and it has significant applications in various fields, including engineering, physics, and even everyday life. The buoyancy effect arises from the difference in pressure exerted by a fluid on different parts of an object submerged in it. According to Archimedes' principle, an object submerged in a fluid experiences an upward force equal to the weight of the fluid displaced by the object. This phenomenon can be observed when a boat floats on water or when a balloon rises in the air.In practical terms, the buoyancy effect can be seen in many situations. For example, when we swim in a pool, our bodies are partially submerged in water. The water exerts an upward force that counteracts the weight of our bodies, allowing us to float. This is why swimming is often easier in saltwater than in freshwater; saltwater is denser due to the dissolved salt, providing a greater buoyancy effect. Similarly, boats are designed with hulls that maximize their ability to displace water, ensuring they remain afloat despite their heavy loads.In engineering, the buoyancy effect plays a crucial role in the design of ships, submarines, and even hot air balloons. Engineers must carefully calculate the buoyant force acting on these vessels to ensure stability and safety. For instance, submarines can control their depth by adjusting the amount of water in their ballast tanks. By filling these tanks with water, they increase their weight and sink. Conversely, by expelling water, they decrease their weight and rise, demonstrating the practical applications of the buoyancy effect.Moreover, the buoyancy effect is not limited to liquids; it also occurs in gases. Hot air balloons operate on the same principle. The air inside the balloon is heated, causing it to become less dense than the cooler air outside. As a result, the balloon experiences an upward force that allows it to ascend. This captivating application of the buoyancy effect showcases how understanding this principle can lead to innovations in transportation and recreation.In conclusion, the buoyancy effect is an essential concept that influences various aspects of our lives, from swimming and boating to advanced engineering applications. Understanding this principle not only enhances our knowledge of physical science but also enables us to apply it in practical scenarios. Whether we are designing a new vessel or simply enjoying a day at the beach, the buoyancy effect is a remarkable phenomenon that continues to fascinate and inspire innovation in numerous fields.

“浮力效应”这一概念在理解物体在流体中如何行为方面是基础性的。这个原理解释了为什么一些物体会漂浮而另一些则会下沉,并且在工程、物理学甚至日常生活中都有重要的应用。“浮力效应”源于流体对浸没在其中的物体不同部分施加的压力差。根据阿基米德原理,浸没在流体中的物体会经历一个向上的力,这个力等于物体排开的流体的重量。这一现象可以在船在水面上漂浮或气球在空中上升时观察到。从实际角度来看,“浮力效应”可以在许多情况下看到。例如,当我们在游泳池里游泳时,我们的身体部分浸没在水中。水施加的向上力抵消了我们身体的重量,使我们能够漂浮。这就是为什么在盐水中游泳通常比在淡水中更容易的原因;盐水由于溶解的盐而更密集,从而提供了更大的“浮力效应”。类似地,船只的设计采用最大化其排水能力的船体,以确保它们在重载时仍能保持漂浮。在工程学中,“浮力效应”在船舶、潜艇甚至热气球的设计中扮演着至关重要的角色。工程师必须仔细计算作用在这些船只上的浮力,以确保稳定性和安全性。例如,潜艇可以通过调整压载水箱中的水量来控制其深度。通过填充这些水箱,他们增加了重量并下沉。相反,通过排出水,他们减少了重量并上升,展示了“浮力效应”的实际应用。此外,“浮力效应”不仅限于液体;它也发生在气体中。热气球的运作基于同样的原理。气球内部的空气被加热,导致其密度低于外部较冷空气。因此,气球经历一个向上的力,使其上升。这种“浮力效应”的迷人应用展示了理解这一原理如何引领交通和娱乐领域的创新。总之,“浮力效应”是一个影响我们生活各个方面的重要概念,从游泳和航行到先进的工程应用。理解这一原理不仅增强了我们对物理科学的知识,还使我们能够将其应用于实际场景。无论我们是在设计新船只还是只是享受海滩的一天,“浮力效应”都是一个令人惊叹的现象,继续吸引和激励各个领域的创新。

相关单词

buoyancy

buoyancy详解:怎么读、什么意思、用法