available buoyancy

简明释义

可用浮力

英英释义

例句

1.The lifeboat was designed with extra available buoyancy to accommodate more passengers in case of an emergency.

救生艇设计时增加了额外的可用浮力，以便在紧急情况下容纳更多乘客。

2.The ship's design allows for maximum available buoyancy, ensuring it can stay afloat even in rough seas.

这艘船的设计允许最大限度的可用浮力，确保它在恶劣海况下也能保持漂浮。

3.The available buoyancy of the inflatable raft makes it ideal for river rescues.

充气筏的可用浮力使其非常适合进行河流救援。

4.Understanding the factors that affect available buoyancy is crucial for marine engineers.

理解影响可用浮力的因素对海洋工程师至关重要。

5.In this engineering project, we need to calculate the available buoyancy to determine if the structure can support additional weight.

在这个工程项目中，我们需要计算可用浮力以确定结构是否能支撑额外的重量。

作文

In the world of physics and engineering, the concept of buoyancy is fundamental. It refers to the ability of an object to float in a fluid, which is determined by the difference between the weight of the object and the weight of the fluid it displaces. When discussing buoyancy, one important aspect that often comes up is the idea of available buoyancy. This term refers to the amount of buoyant force that remains after accounting for the weight of the object and any additional loads it may carry. Understanding available buoyancy is crucial for various applications, including marine engineering, aviation, and even in designing everyday objects like boats or life jackets.To illustrate this concept further, consider a boat floating on water. The boat's hull is designed to displace a certain volume of water, creating an upward buoyant force. This force must be greater than or equal to the total weight of the boat and any cargo it carries for the boat to remain afloat. If the weight exceeds the buoyant force, the boat will sink. Therefore, the available buoyancy is the difference between the buoyant force generated by the displaced water and the total weight of the boat and its cargo. Engineers must calculate this carefully to ensure that vessels are safe and effective.Moreover, in the context of aviation, available buoyancy also plays a significant role. Hot air balloons, for instance, rely on the principle of buoyancy to rise into the sky. The hot air inside the balloon is less dense than the cooler air outside, creating a buoyant force that lifts the balloon. The available buoyancy in this case is determined by the temperature of the air inside the balloon and the weight of the balloon itself along with any passengers or equipment onboard. If the weight exceeds the buoyant force, the balloon will descend. Thus, understanding available buoyancy allows pilots to make necessary adjustments for a safe flight.In addition to these practical applications, the concept of available buoyancy can also be seen in nature. For example, aquatic animals such as fish utilize their swim bladders to control their buoyancy. By adjusting the gas volume within their swim bladders, they can increase or decrease their available buoyancy, allowing them to rise or sink in the water column effortlessly. This natural adaptation showcases the importance of buoyancy in survival and mobility within aquatic environments.In conclusion, available buoyancy is a critical concept that extends beyond just theoretical physics; it has real-world implications in various fields such as marine engineering, aviation, and biology. Whether designing a new boat, piloting a hot air balloon, or understanding the behavior of fish in water, the principles of buoyancy and the calculation of available buoyancy are essential. As we continue to explore and innovate in these areas, a firm grasp of buoyancy and its nuances will remain vital for success and safety.

在物理和工程的世界中，浮力的概念是基础。它指的是物体在流体中漂浮的能力，这取决于物体的重量与其排开的流体的重量之间的差异。在讨论浮力时，一个重要的方面是可用浮力这一概念。这个术语指的是在考虑物体的重量及其可能承载的额外负荷后，剩余的浮力。理解可用浮力对于各种应用至关重要，包括海洋工程、航空，甚至设计日常物品如船只或救生衣。为了更好地说明这一概念，考虑一下漂浮在水面上的船只。船体被设计成排开一定体积的水，从而产生向上的浮力。这个力必须大于或等于船只及其所载货物的总重量，以保持船只漂浮。如果重量超过了浮力，船就会沉没。因此，可用浮力是排开的水所产生的浮力与船只及其货物总重量之间的差异。工程师必须仔细计算这一点，以确保船只的安全性和有效性。此外，在航空领域，可用浮力也起着重要作用。例如，热气球依赖浮力原理升空。气球内的热空气比外面的冷空气密度小，从而产生一种浮力将气球抬起。在这种情况下，可用浮力由气球内空气的温度以及气球本身和任何乘客或设备的重量决定。如果重量超过浮力，气球将下降。因此，理解可用浮力使飞行员能够进行必要的调整，以确保安全飞行。除了这些实际应用外，可用浮力的概念在自然界中也可以看到。例如，水生动物如鱼类利用其游泳膀胱来控制浮力。通过调整游泳膀胱内的气体体积，它们可以增加或减少其可用浮力，从而轻松地在水柱中上升或下沉。这种自然适应展示了浮力在生存和水中移动中的重要性。总之，可用浮力是一个关键概念，不仅仅局限于理论物理；它在海洋工程、航空和生物学等多个领域具有现实意义。无论是设计新船、驾驶热气球，还是理解鱼类在水中的行为，浮力的原理和可用浮力的计算都是至关重要的。随着我们在这些领域的不断探索和创新，对浮力及其细微差别的深刻理解将继续对成功和安全至关重要。