radiation pressure

简明释义

辐射压

英英释义

例句

1.Engineers must account for radiation pressure when designing satellites that operate in orbit.

工程师在设计在轨道上运行的卫星时必须考虑辐射压力。

2.The radiation pressure from the sun can propel lightweight objects in space.

来自太阳的辐射压力可以推动太空中的轻质物体。

3.In astrophysics, radiation pressure helps explain the behavior of stars during their life cycle.

在天体物理学中，辐射压力有助于解释恒星在其生命周期中的行为。

4.The concept of radiation pressure is crucial in understanding how solar sails work in space travel.

理解辐射压力的概念对于理解太阳帆在太空旅行中的工作原理至关重要。

5.Scientists measured the radiation pressure exerted by sunlight on a small spacecraft.

科学家测量了阳光对一艘小型航天器施加的辐射压力。

作文

The concept of radiation pressure is fundamental in understanding various physical phenomena, especially in the fields of astrophysics and engineering. Radiation pressure refers to the pressure exerted by electromagnetic radiation on a surface. This effect is most commonly observed in the context of light, where photons, the particles of light, carry momentum. When these photons strike a surface, they transfer some of their momentum to that surface, resulting in a measurable force. This principle can be illustrated by considering solar sails, which are large, reflective surfaces designed to harness the radiation pressure from sunlight to propel spacecraft. As sunlight hits the sail, the radiation pressure pushes the sail forward, allowing for movement through space without the need for traditional fuel sources.Understanding radiation pressure is not only crucial for space exploration but also has implications in other areas such as climate science and engineering. For instance, the Earth’s atmosphere interacts with solar radiation, and the radiation pressure plays a role in the dynamics of atmospheric circulation. The balance between incoming solar energy and outgoing thermal radiation affects global temperatures and weather patterns. Moreover, engineers utilize the principles of radiation pressure in designing optical devices and lasers, where controlling light momentum is essential for functionality.Furthermore, the study of radiation pressure extends into the realm of theoretical physics. Concepts like the photon sphere around black holes involve the effects of radiation pressure in extreme gravitational fields. In such scenarios, the behavior of light and its interaction with massive objects can lead to fascinating outcomes, including the formation of accretion disks and jets of particles emitted from the vicinity of black holes. These phenomena are critical for understanding the life cycles of stars and the evolution of galaxies.In summary, radiation pressure is a key concept that bridges multiple disciplines, from astronomy to engineering. Its applications range from the propulsion of spacecraft to the understanding of climate dynamics and the behavior of light in strong gravitational fields. As technology advances and our understanding of the universe deepens, the significance of radiation pressure will continue to grow, highlighting the interconnectedness of various scientific fields and the importance of interdisciplinary research. By studying radiation pressure, we not only gain insights into the fundamental laws of physics but also open doors to innovative technologies that could shape our future in space exploration and beyond.

辐射压力的概念在理解各种物理现象中是基础性的，特别是在天体物理学和工程学领域。辐射压力是指电磁辐射对表面施加的压力。这种效应最常见于光的背景下，其中光子，即光的粒子，携带动量。当这些光子撞击一个表面时，它们将部分动量转移到该表面，从而产生可测量的力。这个原理可以通过考虑太阳帆来说明，太阳帆是一种大型反射表面，旨在利用阳光的辐射压力来推动航天器。当阳光照射到帆上时，辐射压力将帆向前推，使得航天器能够在没有传统燃料来源的情况下在太空中移动。理解辐射压力不仅对太空探索至关重要，而且在气候科学和工程等其他领域也有影响。例如，地球的大气层与太阳辐射相互作用，辐射压力在大气环流的动力学中起着重要作用。入射的太阳能量和外出的热辐射之间的平衡影响全球温度和天气模式。此外，工程师在设计光学设备和激光器时利用辐射压力的原理，在这些设备中，控制光的动量对于功能的实现至关重要。此外，辐射压力的研究延伸到了理论物理的领域。黑洞周围的光子球等概念涉及到极端引力场中的辐射压力效应。在这种情况下，光的行为及其与大质量物体的相互作用可能导致迷人的结果，包括吸积盘的形成和从黑洞附近发射的粒子喷流。这些现象对于理解恒星的生命周期和星系的演化至关重要。总之，辐射压力是一个关键概念，连接了多个学科，从天文学到工程学。它的应用范围从航天器的推进到气候动态的理解以及强引力场中光的行为。随着技术的进步和我们对宇宙的理解不断加深，辐射压力的重要性将继续增长，突显出各科学领域之间的相互联系以及跨学科研究的重要性。通过研究辐射压力，我们不仅获得了关于物理基本法则的洞察，还为塑造我们未来的太空探索和其他领域的创新技术打开了大门。