cylindrical solenoid

简明释义

筒形螺线管

英英释义

例句

1.The strength of the magnetic field produced by a cylindrical solenoid depends on the number of turns of wire and the current flowing through it.

圆柱形电磁线圈产生的磁场强度取决于绕线圈的圈数和流过的电流。

2.The cylindrical solenoid is used in many electromagnetic applications to generate a uniform magnetic field.

这个圆柱形电磁线圈在许多电磁应用中用于产生均匀的磁场。

3.In physics experiments, a cylindrical solenoid can help demonstrate the principles of electromagnetism.

在物理实验中，圆柱形电磁线圈可以帮助演示电磁学的原理。

4.When designing a motor, engineers often include a cylindrical solenoid to control the movement of components.

在设计电动机时，工程师通常会包括一个圆柱形电磁线圈来控制组件的运动。

5.A cylindrical solenoid can be used to create an electromagnet by passing an electric current through it.

通过在圆柱形电磁线圈中通电，可以用它来创建一个电磁铁。

作文

The concept of a cylindrical solenoid is fundamental in the field of electromagnetism and plays a crucial role in various applications, from simple electronic devices to complex industrial machinery. A cylindrical solenoid is essentially a coil of wire that is wound in the shape of a cylinder. When an electric current passes through this coil, it generates a magnetic field along the axis of the cylinder. This phenomenon is a direct consequence of Ampère's circuital law, which states that the magnetic field in space around an electric current is related to the amount of current flowing through the conductor.Understanding the workings of a cylindrical solenoid involves delving into its structure and function. The solenoid consists of a long wire coiled tightly in a helical manner. The length of the solenoid compared to its diameter is significant; ideally, a solenoid is much longer than it is wide. This geometry ensures that the magnetic field inside the solenoid is uniform and strong. The strength of the magnetic field produced by a cylindrical solenoid can be calculated using the formula: B = μ₀(nI), where B is the magnetic field strength, μ₀ is the permeability of free space, n is the number of turns per unit length, and I is the current flowing through the wire.The applications of cylindrical solenoids are vast. In the realm of physics education, they serve as excellent demonstrations of electromagnetic principles. They are often used in experiments to illustrate how electrical energy can be converted into magnetic energy. Additionally, cylindrical solenoids are employed in various devices such as electromagnets, relays, and inductors. For instance, in an electromagnet, a cylindrical solenoid can be used to create a controllable magnetic field, which can attract or repel ferromagnetic materials.Moreover, cylindrical solenoids find their place in medical technology, particularly in Magnetic Resonance Imaging (MRI) machines. These machines utilize powerful magnets to produce detailed images of the inside of the human body. The design and efficiency of these magnets often involve the principles of cylindrical solenoids, showcasing their importance in advanced medical diagnostics.In engineering, cylindrical solenoids are integral components in automated systems and robotics. They can act as actuators, converting electrical energy into linear motion. This capability allows them to control mechanical systems with precision, making them invaluable in manufacturing processes where automation is key.In conclusion, the cylindrical solenoid is a remarkable invention that embodies the principles of electromagnetism. Its ability to generate a strong and uniform magnetic field has led to its widespread use across various fields, including education, medicine, and engineering. By understanding the science behind a cylindrical solenoid, we can appreciate its significance in modern technology and its potential for future innovations.

“圆柱形电磁线圈”的概念在电磁学领域中是基础性的，并在从简单的电子设备到复杂的工业机械等各种应用中发挥着关键作用。“圆柱形电磁线圈”本质上是一种以圆柱形状缠绕的电线圈。当电流通过这个线圈时，它会沿着圆柱的轴线产生一个磁场。这种现象是安培环路定律的直接结果，该定律指出，围绕电流导体周围的空间中的磁场与通过导体的电流量有关。理解“圆柱形电磁线圈”的工作原理涉及深入研究其结构和功能。电磁线圈由长电线紧密缠绕成螺旋形状组成。电磁线圈的长度与其直径相比是显著的；理想情况下，电磁线圈的长度远大于宽度。这种几何形状确保了电磁线圈内部的磁场是均匀且强大的。由“圆柱形电磁线圈”产生的磁场强度可以使用公式 B = μ₀(nI) 进行计算，其中 B 是磁场强度，μ₀ 是自由空间的磁导率，n 是单位长度的圈数，I 是流经电线的电流。“圆柱形电磁线圈”的应用非常广泛。在物理教育领域，它们作为优秀的电磁原理演示。它们常用于实验，以说明如何将电能转化为磁能。此外，“圆柱形电磁线圈”还被用于各种设备中，如电磁铁、继电器和电感器。例如，在电磁铁中，可以使用“圆柱形电磁线圈”来创建可控的磁场，从而吸引或排斥铁磁材料。此外，“圆柱形电磁线圈”在医疗技术中也占有一席之地，特别是在磁共振成像（MRI）机器中。这些机器利用强磁体产生人体内部的详细图像。这些磁体的设计和效率通常涉及“圆柱形电磁线圈”的原理，展示了它们在先进医学诊断中的重要性。在工程领域，“圆柱形电磁线圈”是自动化系统和机器人中的关键组件。它们可以充当执行器，将电能转化为线性运动。这种能力使它们能够精确控制机械系统，使它们在自动化制造过程中不可或缺。总之，“圆柱形电磁线圈”是一项卓越的发明，体现了电磁学的原理。它产生强大且均匀的磁场的能力使其在教育、医学和工程等各个领域得到广泛应用。通过理解“圆柱形电磁线圈”背后的科学，我们可以欣赏到它在现代技术中的重要性及其未来创新的潜力。