luminous flux

简明释义

光束

英英释义

例句

1.The luminous flux of a candle is much lower than that of an LED lamp.

蜡烛的光通量远低于LED灯的光通量。

2.The total luminous flux emitted by the light bulb is measured in lumens.

灯泡发出的总光通量以流明为单位进行测量。

3.Different types of bulbs produce varying amounts of luminous flux.

不同类型的灯泡产生不同数量的光通量。

4.In this experiment, we will measure the luminous flux using a photometer.

在这个实验中，我们将使用光度计来测量光通量。

5.To ensure proper lighting, we need to calculate the luminous flux required for the room.

为了确保适当的照明，我们需要计算房间所需的光通量。

作文

Luminous flux is a fundamental concept in the field of photometry, which deals with the measurement of visible light. It is defined as the measure of the perceived power of light and is quantified in lumens (lm). Understanding luminous flux is crucial for various applications, including lighting design, photography, and even in the development of optical devices. The concept helps us to quantify how much light is emitted from a source and how it interacts with the environment. In practical terms, luminous flux can be thought of as the total amount of visible light produced by a light source per unit time. For instance, a standard 60-watt incandescent bulb emits about 800 lumens of luminous flux. This means that it provides a specific amount of light that can illuminate a room effectively. In contrast, energy-efficient LED bulbs can produce the same amount of luminous flux while consuming significantly less power, highlighting the importance of this measurement in energy conservation.The relationship between luminous flux and other photometric quantities is also essential. For example, luminous efficacy is a measure of how well a light source converts electrical energy into luminous flux. This is expressed in lumens per watt (lm/W), allowing consumers to compare the efficiency of different lighting options. Higher luminous efficacy means more light output for less energy consumption, which is a key consideration in modern lighting technology.Moreover, the concept of luminous flux is not only relevant in artificial lighting but also in natural lighting conditions. For example, understanding how sunlight contributes to luminous flux in different environments helps architects and designers create spaces that maximize natural light. This can lead to improved mood and productivity for occupants, demonstrating the broader implications of luminous flux in our daily lives.In conclusion, luminous flux is a vital concept in understanding light and its applications. Whether we are designing energy-efficient homes, creating art through photography, or simply trying to choose the right light bulb, the measurement of luminous flux plays a significant role. As technology continues to advance, the importance of quantifying light in terms of luminous flux will only increase, leading to more efficient and effective use of lighting in various fields. By grasping the significance of luminous flux, we can better appreciate the role of light in our world and make informed decisions about how we illuminate our lives.

光通量是光度学领域的一个基本概念，涉及可见光的测量。它被定义为光的感知功率的度量，以流明（lm）为单位进行量化。理解光通量对于各种应用至关重要，包括照明设计、摄影，甚至光学设备的开发。这个概念帮助我们量化光源发出的光量以及它与环境的相互作用。在实际应用中，光通量可以被视为光源每单位时间产生的可见光总量。例如，一只标准的60瓦白炽灯泡发出约800流明的光通量。这意味着它提供了特定数量的光，可以有效地照亮一个房间。相比之下，节能LED灯泡可以在显著减少功耗的情况下产生相同数量的光通量，突显了这一测量在节能中的重要性。此外，光通量与其他光度量之间的关系也至关重要。例如，光效是衡量光源将电能转化为光通量的效率。这个效率以流明每瓦（lm/W）表示，使消费者能够比较不同照明选项的效率。更高的光效意味着更少的能源消耗获得更多的光输出，这是现代照明技术中的关键考虑因素。此外，光通量的概念不仅与人造照明相关，还与自然光照条件有关。例如，了解阳光如何在不同环境中贡献光通量，帮助建筑师和设计师创造最大化自然光的空间。这可以改善居住者的情绪和生产力，展示了光通量在我们日常生活中的更广泛影响。总之，光通量是理解光及其应用的重要概念。无论我们是在设计节能住宅、通过摄影创作艺术，还是仅仅试图选择合适的灯泡，光通量的测量都扮演着重要角色。随着技术的不断进步，量化光的光通量的重要性只会增加，从而在各个领域实现更高效和有效的照明使用。通过掌握光通量的意义，我们可以更好地欣赏光在我们世界中的作用，并就如何照亮我们的生活做出明智的决策。