Luminous emittance definitions
| Word backwards | suonimul ecnattime |
|---|---|
| Part of speech | The word "luminous emittance" is a noun phrase. |
| Syllabic division | lu-mi-nous e-mit-tance |
| Plural | The plural of the word "luminous emittance" is "luminous emittances." |
| Total letters | 17 |
| Vogais (5) | u,i,o,e,a |
| Consonants (6) | l,m,n,s,t,c |
Luminous Emittance: Understanding the Concept
Luminous emittance is a crucial concept in the field of physics that refers to the amount of light emitted from a surface in a specific direction. It is a measure of the brightness of a surface and is often denoted by the symbol L. Luminous emittance is an important parameter to consider in lighting design, photography, and various other applications where the amount of light emitted from a surface plays a significant role.
The Photometric Unit of Luminous Emittance
In the International System of Units (SI), luminous emittance is measured in lumens per square meter (lm/m2). This unit is also known as lux, which is a measure of the amount of visible light per unit area. Lux is commonly used in the context of lighting design to ensure that the desired level of illumination is achieved in a given space. The higher the luminous emittance, the brighter the surface appears to an observer.
Factors Affecting Luminous Emittance
Luminous emittance is influenced by various factors, including the light source's intensity, the distance between the light source and the surface, and the surface's reflectivity. A surface with high reflectivity will have a higher luminous emittance compared to a surface with low reflectivity. Additionally, the angle of incidence of the light on the surface can also impact the luminous emittance, with oblique angles typically resulting in lower emittance values.
Applications of Luminous Emittance
Luminous emittance plays a crucial role in several applications, including the design of lighting systems for homes, offices, and public spaces. By understanding the concept of luminous emittance, designers can ensure that the right amount of light is emitted to create a visually appealing and functional environment. Photography and cinematography are other fields where luminous emittance is a crucial consideration to achieve the desired lighting effects and capture high-quality images and videos.
In Summary
In conclusion, luminous emittance is a fundamental concept that governs the amount of light emitted from a surface. By measuring luminous emittance in lumens per square meter, professionals in various industries can ensure optimal lighting conditions and create visually striking environments. Understanding the factors that influence luminous emittance is essential for achieving the desired lighting effects and enhancing the overall visual experience.
Luminous emittance Examples
- The luminous emittance of the star was so bright that it could be seen from miles away.
- The artist used a special paint that had a high luminous emittance to create a glowing effect on the canvas.
- The scientist measured the luminous emittance of the LED bulb to determine its brightness.
- The photographer adjusted the camera settings to capture the high luminous emittance of the fireworks display.
- The display screen had a low luminous emittance, making it difficult to see in bright sunlight.
- The city skyline was bathed in the luminous emittance of the setting sun.
- The glowing embers of the campfire had a high luminous emittance, illuminating the surrounding area.
- The theater production used special lights with varying luminous emittance to create different moods on stage.
- The car manufacturer designed headlights with a high luminous emittance for better visibility at night.
- The futuristic cityscape had buildings with glowing facades that emitted a soft luminous emittance.