Number of Lamps Required for Illumination Solution

STEP 0: Pre-Calculation Summary
Formula Used
Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor)
NLamp = (Ev*A)/(F*UF*MF)
This formula uses 6 Variables
Variables Used
Number of Lamp - Number of lamps refers to the quantity of individual light sources used in a lighting system. It represents the count of separate lamps employed to provide illumination in a given space.
Illumination Intensity - (Measured in Lux) - Illumination intensity refers to the level or strength of light in a given area. It quantifies the amount of light reaching a surface and is typically measured in units such as lux or foot-candles.
Area of Illumination - (Measured in Square Meter) - Area of illumination refers to the size or extent of the space covered by light from a source, determining the reach and coverage of light in that area.
Luminous Flux - (Measured in Lumen) - Luminous flux is a measure of the total amount of light emitted by a light source in all directions. It quantifies the overall brightness or output of the source.
Utilization Factor - Utilization factor refers to a percentage or factor that represents the efficiency or effectiveness of a lighting system in delivering and utilizing light to the intended area or task.
Maintenance Factor - Maintenance factor refers to a multiplier or percentage used to adjust the initial illumination levels of a lighting system to account for degradation and dirt accumulation over time.
STEP 1: Convert Input(s) to Base Unit
Illumination Intensity: 1.02 Lux --> 1.02 Lux No Conversion Required
Area of Illumination: 41 Square Meter --> 41 Square Meter No Conversion Required
Luminous Flux: 42 Lumen --> 42 Lumen No Conversion Required
Utilization Factor: 0.15 --> No Conversion Required
Maintenance Factor: 2 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
NLamp = (Ev*A)/(F*UF*MF) --> (1.02*41)/(42*0.15*2)
Evaluating ... ...
NLamp = 3.31904761904762
STEP 3: Convert Result to Output's Unit
3.31904761904762 --> No Conversion Required
FINAL ANSWER
3.31904761904762 3 <-- Number of Lamp
(Calculation completed in 00.004 seconds)

Credits

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Created by Prahalad Singh
Jaipur Engineering College and Research Centre (JECRC), Jaipur
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Birsa Institute of Technology (BIT), Sindri
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Illumination Parameters Calculators

Number of Lamps Required for Illumination
​ LaTeX ​ Go Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor)
Reduction Factor
​ LaTeX ​ Go Reduction Factor = Mean Spherical Candle Power/Mean Horizontal Candle Power
Solid Angle
​ LaTeX ​ Go Solid Angle = Area of Illumination/(Radius of Illumination^2)
Mean Spherical Candle Power
​ LaTeX ​ Go Mean Spherical Candle Power = Luminous Flux/(4*pi)

Number of Lamps Required for Illumination Formula

​LaTeX ​Go
Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor)
NLamp = (Ev*A)/(F*UF*MF)

Significance of Number of Lamps Required for Illumination?

Adequate Lighting: The number of lamps determines the amount of light emitted in a given space.
Uniformity of Light: Using the right number of lamps helps achieve uniform lighting distribution.
Energy Efficiency: Determining the optimal number of lamps ensures efficient energy usage.
Task-specific Lighting: The number of lamps can be adjusted based on the specific lighting requirements of different tasks or activities.
Safety and Security: Adequate lighting is crucial for ensuring safety and security in various settings.

How to Calculate Number of Lamps Required for Illumination?

Number of Lamps Required for Illumination calculator uses Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor) to calculate the Number of Lamp, The Number of lamps Required for Illumination formula is defined as the ratio of the product of illumination & area to the product of luminous flux, utilization factor, maintenance fator. Number of Lamp is denoted by NLamp symbol.

How to calculate Number of Lamps Required for Illumination using this online calculator? To use this online calculator for Number of Lamps Required for Illumination, enter Illumination Intensity (Ev), Area of Illumination (A), Luminous Flux (F), Utilization Factor (UF) & Maintenance Factor (MF) and hit the calculate button. Here is how the Number of Lamps Required for Illumination calculation can be explained with given input values -> 3 = (1.02*41)/(42*0.15*2).

FAQ

What is Number of Lamps Required for Illumination?
The Number of lamps Required for Illumination formula is defined as the ratio of the product of illumination & area to the product of luminous flux, utilization factor, maintenance fator and is represented as NLamp = (Ev*A)/(F*UF*MF) or Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor). Illumination intensity refers to the level or strength of light in a given area. It quantifies the amount of light reaching a surface and is typically measured in units such as lux or foot-candles, Area of illumination refers to the size or extent of the space covered by light from a source, determining the reach and coverage of light in that area, Luminous flux is a measure of the total amount of light emitted by a light source in all directions. It quantifies the overall brightness or output of the source, Utilization factor refers to a percentage or factor that represents the efficiency or effectiveness of a lighting system in delivering and utilizing light to the intended area or task & Maintenance factor refers to a multiplier or percentage used to adjust the initial illumination levels of a lighting system to account for degradation and dirt accumulation over time.
How to calculate Number of Lamps Required for Illumination?
The Number of lamps Required for Illumination formula is defined as the ratio of the product of illumination & area to the product of luminous flux, utilization factor, maintenance fator is calculated using Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor). To calculate Number of Lamps Required for Illumination, you need Illumination Intensity (Ev), Area of Illumination (A), Luminous Flux (F), Utilization Factor (UF) & Maintenance Factor (MF). With our tool, you need to enter the respective value for Illumination Intensity, Area of Illumination, Luminous Flux, Utilization Factor & Maintenance Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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