neutral buoyancy
简明释义
中性浮力
英英释义
Neutral buoyancy is the condition in which an object neither sinks nor rises in a fluid, meaning its density is equal to that of the fluid. | 中性浮力是指物体在流体中既不下沉也不上浮的状态,意味着其密度与流体的密度相等。 |
例句
1.To simulate space conditions, the training facility uses neutral buoyancy (中性浮力) tanks for astronauts.
为了模拟太空条件,训练设施使用中性浮力水池进行宇航员训练。
2.Scuba divers often use neutral buoyancy (中性浮力) to hover underwater without sinking or floating.
潜水员经常利用中性浮力来在水下悬停,而不下沉或上浮。
3.The engineers tested the submarine's design to ensure it could maintain neutral buoyancy (中性浮力) at various depths.
工程师测试潜艇的设计,以确保它能在不同深度保持中性浮力。
4.In a physics class, students learned about neutral buoyancy (中性浮力) by observing objects in water.
在物理课上,学生通过观察水中的物体学习中性浮力。
5.The astronaut practiced maneuvers in a large pool to achieve neutral buoyancy (中性浮力) before the space mission.
宇航员在一个大型游泳池中练习动作,以在太空任务前达到中性浮力。
作文
In the realm of physics and engineering, the concept of neutral buoyancy is fundamental to understanding how objects behave in fluids. Neutral buoyancy refers to the condition in which an object neither sinks nor floats but remains suspended in the fluid. This state occurs when the buoyant force acting on the object is equal to the weight of the object itself. To illustrate this concept, consider a scuba diver who wishes to maintain a specific depth underwater without ascending or descending. By adjusting their buoyancy through the use of a buoyancy control device (BCD), they can achieve neutral buoyancy, allowing them to enjoy the underwater environment with minimal effort.The importance of neutral buoyancy extends beyond recreational diving; it plays a crucial role in various scientific and engineering applications. For instance, underwater research often requires scientists to work at specific depths for extended periods. Achieving neutral buoyancy allows researchers to focus on their tasks without expending excessive energy fighting against the forces of buoyancy. This principle is also vital in the design of underwater vehicles and submarines, where maintaining a desired depth is essential for operational efficiency.Moreover, neutral buoyancy is not limited to water. It can be observed in other fluids, such as air. For example, in the context of hot air balloons, achieving neutral buoyancy is crucial for hovering at a stable altitude. The balloon must have a volume of hot air that generates enough lift to counteract its weight, allowing it to float serenely in the sky.The concept of neutral buoyancy also has implications in space exploration. Astronauts train in large swimming pools to simulate the weightlessness of space. In these pools, they strive to achieve neutral buoyancy so they can practice maneuvers and repairs on spacecraft. This training helps astronauts acclimatize to the conditions they will face in microgravity, where the absence of buoyancy dramatically alters their movements and interactions with equipment.In conclusion, neutral buoyancy is a critical concept that transcends various fields, from recreational activities like scuba diving to complex scientific endeavors in underwater research and space exploration. Understanding and mastering neutral buoyancy enables individuals and engineers to manipulate the behavior of objects in fluids effectively. Whether it’s ensuring a diver can explore the depths of the ocean or allowing scientists to conduct experiments without interference from buoyant forces, neutral buoyancy remains an essential principle that enhances our ability to navigate and understand the fluid environments around us.
在物理和工程领域,中性浮力的概念对于理解物体在流体中的行为至关重要。中性浮力指的是一种状态,在这种状态下,物体既不下沉也不浮起,而是悬浮在流体中。当作用于物体的浮力等于物体自身的重量时,就会发生这种状态。为了说明这一概念,可以考虑一个潜水员希望在水下保持特定深度而不升降的情况。通过使用浮力调节装置(BCD)来调整他们的浮力,他们可以实现中性浮力,这使得他们能够以最小的努力享受水下环境。中性浮力的重要性不仅限于休闲潜水;它在各种科学和工程应用中也起着至关重要的作用。例如,水下研究通常需要科学家在特定深度工作较长时间。实现中性浮力使研究人员能够专注于他们的任务,而无需消耗过多的能量与浮力的力量作斗争。这个原理在水下车辆和潜艇的设计中也至关重要,在这些情况下,保持所需的深度对操作效率至关重要。此外,中性浮力并不仅限于水。它还可以在其他流体中观察到,例如空气。例如,在热气球的背景下,实现中性浮力对于在稳定高度悬停至关重要。气球必须具有产生足够升力的热空气体积,以抵消其重量,从而使其在空中安静地漂浮。中性浮力的概念在太空探索中也有重要意义。宇航员在大型游泳池中训练,以模拟太空的失重状态。在这些游泳池中,他们努力实现中性浮力,以便练习在航天器上的操作和维修。这种训练帮助宇航员适应他们在微重力条件下将面临的情况,因为浮力的缺失会显著改变他们的动作和与设备的互动。总之,中性浮力是一个关键的概念,超越了各个领域,从休闲活动如潜水到复杂的科学工作,如水下研究和太空探索。理解和掌握中性浮力使个人和工程师能够有效地操控流体中物体的行为。无论是确保潜水员能够探索海洋深处,还是让科学家能够进行实验而不受浮力影响,中性浮力仍然是一个基本原则,增强了我们在周围流体环境中导航和理解的能力。
相关单词