spherical shell

简明释义

球壳

英英释义

例句

1.In our experiment, we used a spherical shell 球壳 to demonstrate gravitational effects.

在我们的实验中，我们使用了一个球壳来演示重力效应。

2.The spherical shell 球壳 model helped students visualize the concept of surface area.

这个球壳模型帮助学生们直观理解表面积的概念。

3.The spherical shell 球壳 was made of lightweight materials for easier handling.

这个球壳由轻质材料制成，便于操作。

4.The physicist explained the properties of a spherical shell 球壳 during the lecture on electrostatics.

物理学家在电静力学讲座中解释了球壳的性质。

5.We calculated the volume of the spherical shell 球壳 to understand its capacity.

我们计算了球壳的体积，以了解其容量。

作文

The concept of a spherical shell is fundamental in various fields of physics and engineering. A spherical shell refers to a hollow sphere that has an inner and outer radius, creating a thin layer of material between these two radii. This geometry can be found in many applications, from the design of satellites to the construction of pressure vessels. Understanding the properties and behaviors of a spherical shell is crucial for engineers and scientists alike.In physics, the spherical shell is often used to simplify complex problems involving gravitational fields or electric fields. For example, when considering the gravitational field inside a uniform spherical shell, it can be shown through mathematical derivations that the net gravitational force at any point inside the shell is zero. This property is derived from the symmetry of the shell and is a critical aspect of gravitational theory.Moreover, the spherical shell plays a significant role in electrostatics. According to Gauss's law, the electric field inside a uniformly charged spherical shell is also zero. This principle is particularly useful in understanding how charges distribute themselves over conductive surfaces. Engineers often utilize this knowledge when designing equipment that must withstand high voltages or when creating shielding to protect sensitive electronics from external electric fields.In structural engineering, the spherical shell is admired for its strength-to-weight ratio. The curvature of the shell allows it to distribute loads evenly across its surface, making it an efficient shape for structures like domes and tanks. The design of geodesic domes, for example, relies heavily on the principles of the spherical shell. These structures are not only aesthetically pleasing but also incredibly strong, showcasing the practical applications of this geometric form.The study of spherical shells also extends into astrophysics, where celestial bodies such as planets and stars can be approximated as spherical shells for certain calculations. For instance, when analyzing the layers of a star, scientists may treat each layer as a spherical shell to understand how energy is transported from the core to the surface. This model helps in predicting stellar behavior and lifecycle stages.In conclusion, the spherical shell is more than just a geometric shape; it embodies a wide range of applications and principles that are essential in both theoretical and applied sciences. From gravitational and electric fields to structural integrity and astrophysical modeling, the spherical shell serves as a vital concept that bridges various disciplines. Mastering the understanding of a spherical shell not only enhances one's comprehension of physical laws but also equips individuals with the knowledge necessary to innovate and solve real-world challenges.

“球壳”的概念在物理学和工程学的各个领域都是基础。球壳指的是一个中空的球体，具有内半径和外半径，在这两个半径之间形成一层薄薄的材料。这种几何形状可以在许多应用中找到，从卫星的设计到压力容器的构造。理解球壳的性质和行为对工程师和科学家来说都是至关重要的。在物理学中，球壳常常用于简化涉及重力场或电场的复杂问题。例如，当考虑均匀球壳内部的重力场时，可以通过数学推导证明，壳内任何点的净重力是零。这个特性源自壳的对称性，是重力理论的一个关键方面。此外，球壳在静电学中也发挥着重要作用。根据高斯定律，均匀带电的球壳内部的电场也是零。这个原理在理解电荷如何在导体表面分布时尤为有用。工程师们在设计必须承受高电压的设备或创建保护敏感电子设备免受外部电场影响的屏蔽时，经常利用这一知识。在结构工程中，球壳因其强度与重量比而受到赞赏。壳的曲率使其能够均匀地分布负载，使其成为像穹顶和储罐等结构的高效形状。例如，几何穹顶的设计就严重依赖于球壳的原理。这些结构不仅美观，而且非常坚固，展示了这种几何形状的实用应用。对球壳的研究还扩展到天体物理学，天体如行星和恒星在某些计算中可以近似为球壳。例如，在分析恒星的层次时，科学家可能将每一层视为球壳，以理解能量如何从核心传输到表面。这个模型有助于预测恒星的行为和生命周期阶段。总之，球壳不仅仅是一个几何形状；它体现了广泛的应用和原则，这些在理论和应用科学中都是必不可少的。从重力和电场到结构完整性和天体建模，球壳作为一个重要概念，连接了各种学科。掌握对球壳的理解不仅增强了对物理法则的理解，还使个人具备了创新和解决现实世界挑战所需的知识。