Luminous exitance definitions
| Word backwards | suonimul ecnatixe |
|---|---|
| Part of speech | Noun |
| Syllabic division | lu-mi-nous ex-i-tance |
| Plural | The plural form of luminous exitance is luminous exitances. |
| Total letters | 16 |
| Vogais (5) | u,i,o,e,a |
| Consonants (7) | l,m,n,s,x,t,c |
Luminous Exitance
Definition
Luminous exitance, also known as luminous emittance, is a measure of the visible light emitted or reflected from a surface per unit area. It is expressed in lumens per square meter (lm/m^2). This metric helps quantify the brightness of a surface when illuminated by a light source.
Importance
Luminous exitance plays a crucial role in various fields such as lighting design, photography, and energy efficiency assessments. Understanding how much light is emitted or reflected by a surface can help in optimizing lighting conditions, capturing high-quality images, and reducing energy consumption.
Calculation
The formula to calculate luminous exitance is simple: luminous exitance = luminous flux / area. Luminous flux measures the total amount of visible light emitted by a source, while area refers to the surface area over which the light is distributed. By dividing luminous flux by the area, we obtain the luminous exitance value in lumens per square meter.
Applications
Luminous exitance values are used in the design of lighting systems to ensure adequate illumination for different spaces. In photography, understanding the luminous exitance of various surfaces helps photographers achieve the desired lighting effects. Additionally, in energy efficiency assessments, measuring the luminous exitance of light fixtures can aid in optimizing energy usage.
Challenges
One challenge in working with luminous exitance is accurately measuring the luminous flux emitted by a source. Factors such as light scattering, reflection, and absorption can affect the overall luminous exitance value. Therefore, it is essential to consider these variables when calculating luminous exitance for precise results.
Conclusion
In conclusion, luminous exitance is a valuable metric for quantifying the brightness of surfaces under illumination. By understanding how to calculate and interpret luminous exitance values, professionals in various industries can improve lighting design, photography outcomes, and energy efficiency practices.
Luminous exitance Examples
- The luminous exitance of the stars in the night sky is truly awe-inspiring.
- The scientist measured the luminous exitance of the LED light to determine its brightness level.
- The room appeared brighter due to the high luminous exitance of the fluorescent bulbs.
- Photographers often adjust their camera settings based on the luminous exitance of the scene.
- The luminous exitance of the sun during sunrise creates a breathtaking golden glow.
- The streetlights had a high luminous exitance, making the road well-lit and safe for pedestrians.
- The display screen had a low luminous exitance, resulting in poor visibility in bright daylight.
- Outdoor events require lighting with high luminous exitance to ensure a well-lit environment.
- The artist used different shades to capture the luminous exitance of the moon in her painting.
- Energy-efficient bulbs are known for their high luminous exitance and long-lasting brightness.