luminance flux

简明释义

光通量

英英释义

Luminance flux refers to the measure of the perceived power of light emitted from a surface in a given direction, typically measured in lumens per steradian.

亮度通量是指从表面以特定方向发出的光的感知功率的度量,通常以流明每立体角(斯特拉迪安)为单位进行测量。

例句

1.Architects often consider luminance flux when planning natural light sources in buildings.

建筑师在规划建筑中的自然光源时,经常考虑亮度通量

2.The luminance flux emitted by LED lights is typically more efficient than traditional bulbs.

LED灯发出的亮度通量通常比传统灯泡更高效。

3.To create a comfortable work environment, the luminance flux should be evenly distributed.

为了创造一个舒适的工作环境,亮度通量应该均匀分布。

4.The measurement of luminance flux is crucial in designing effective lighting systems.

测量亮度通量在设计有效的照明系统中至关重要。

5.In photography, understanding luminance flux helps achieve the right exposure.

在摄影中,理解亮度通量有助于获得正确的曝光。

作文

In the field of physics and engineering, understanding light is crucial for a variety of applications, from designing efficient lighting systems to optimizing the performance of optical devices. One important concept in this realm is luminance flux, which refers to the measure of the perceived power of light emitted from a surface per unit area in a given direction. This term can often be confusing, especially for those who are new to the study of optics or lighting design. To grasp the significance of luminance flux, one must first understand the broader context of light measurement and its implications for various technologies.Light is a form of electromagnetic radiation that is visible to the human eye. It plays a fundamental role in our daily lives, influencing everything from our mood to our ability to perform tasks. In scientific terms, light can be quantified using different metrics, including luminous intensity, illuminance, and luminance. Among these, luminance flux stands out as a critical parameter that combines both the intensity of light and the area over which it is spread.To illustrate the concept of luminance flux, consider a simple example: a light bulb. When you turn on a light bulb, it emits light in all directions. The amount of light that reaches a specific area, such as a table or a wall, depends on the distance from the bulb and the angle at which the light travels. Luminance flux helps quantify how much of that light is perceived by the human eye when it strikes a surface. This measurement is essential for designing spaces that are well-lit and comfortable for occupants.In practical applications, luminance flux is particularly important in fields such as architecture, automotive design, and photography. Architects must consider luminance flux when designing buildings to ensure that natural and artificial lighting creates a pleasant environment. For instance, large windows may allow for more luminance flux during the day, reducing the need for electric lighting and enhancing energy efficiency.Similarly, in the automotive industry, the design of headlights involves careful calculations of luminance flux to ensure that drivers have adequate visibility at night without blinding oncoming traffic. Photographers also utilize knowledge of luminance flux to manipulate lighting conditions, achieving the desired effects in their images.Moreover, advancements in technology have led to the development of new lighting solutions, such as LED lights, which offer higher luminance flux with lower energy consumption compared to traditional incandescent bulbs. This shift not only benefits the environment but also enhances the quality of light available in various settings.In conclusion, luminance flux is a vital concept in the study of light, serving as a key indicator of how light interacts with surfaces and is perceived by the human eye. By understanding luminance flux, professionals across multiple disciplines can create better-designed spaces, improve safety in transportation, and enhance artistic expression in photography. As technology continues to evolve, the importance of mastering concepts like luminance flux will only grow, paving the way for innovations that improve our interaction with light in everyday life.

在物理学和工程学领域,理解光线对各种应用至关重要,从设计高效的照明系统到优化光学设备的性能。其中一个重要的概念是亮度通量,它指的是单位面积内从表面发出的光的感知功率在特定方向上的测量。这个术语往往会让人感到困惑,尤其是对于那些刚接触光学或照明设计研究的人。要掌握亮度通量的重要性,首先必须理解光测量的更广泛背景及其对各种技术的影响。光是一种电磁辐射,肉眼可见。它在我们的日常生活中发挥着基础作用,影响着我们的情绪以及执行任务的能力。从科学的角度来看,光可以通过不同的指标进行量化,包括光强、照度和亮度。其中,亮度通量作为一个关键参数,结合了光的强度和光的传播面积。为了说明亮度通量的概念,可以考虑一个简单的例子:灯泡。当你打开灯泡时,它向四面八方发出光线。到达特定区域(如桌子或墙壁)的光量取决于灯泡的距离和光的传播角度。亮度通量帮助量化当光照射到表面时,人眼感知到的光量。这一测量对于设计照明良好且舒适的空间至关重要。在实际应用中,亮度通量在建筑、汽车设计和摄影等领域尤为重要。建筑师在设计建筑时必须考虑亮度通量,以确保自然光和人工光创造出宜人的环境。例如,大窗户可能在白天允许更多的亮度通量,从而减少对电灯的需求,提高能源效率。同样,在汽车工业中,车头灯的设计涉及对亮度通量的仔细计算,以确保驾驶员在夜间有足够的能见度,而不会使迎面而来的交通眩目。摄影师也利用亮度通量的知识来操控光照条件,实现他们图像中的预期效果。此外,技术的进步促使新型照明解决方案的发展,例如LED灯,与传统的白炽灯相比,提供了更高的亮度通量,同时降低了能耗。这一转变不仅有利于环境,还增强了各种环境中可用光的质量。总之,亮度通量是光研究中的一个重要概念,作为光与表面相互作用及人眼感知的关键指标。通过理解亮度通量,多个学科的专业人士可以创建设计更好的空间、提高交通安全以及在摄影中增强艺术表现力。随着技术的不断发展,掌握像亮度通量这样的概念的重要性只会增加,为改善我们与日常生活中光的互动铺平道路。

相关单词

luminance

luminance详解:怎么读、什么意思、用法