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Number of Lamps Required for Illumination Formula

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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. Check FAQs

N Lamp = \frac{E v \cdot A}{F \cdot UF \cdot MF}

N_Lamp - Number of Lamp?E_v - Illumination Intensity?A - Area of Illumination?F - Luminous Flux?UF - Utilization Factor?MF - Maintenance Factor?

Number of Lamps Required for Illumination Example

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Here is how the Number of Lamps Required for Illumination equation looks like with Values.

Here is how the Number of Lamps Required for Illumination equation looks like with Units.

Here is how the Number of Lamps Required for Illumination equation looks like.

3 = \frac{1 \cdot 41}{42 \cdot 0 \cdot 2}

3 = \frac{1lx \cdot 41m²}{42lm \cdot 0 \cdot 2}

3 = \frac{1 \cdot 41}{42 \cdot 0 \cdot 2}

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Number of Lamps Required for Illumination Solution

Follow our step by step solution on how to calculate Number of Lamps Required for Illumination?

FIRST Step Consider the formula

N Lamp = \frac{E v \cdot A}{F \cdot UF \cdot MF}

Next Step Substitute values of Variables

∴

N Lamp = \frac{1lx \cdot 41m²}{42lm \cdot 0 \cdot 2}

Next Step Prepare to Evaluate

∴

N Lamp = \frac{1 \cdot 41}{42 \cdot 0 \cdot 2}

Next Step Evaluate

∴

N Lamp = 3.31904761904762

LAST Step Rounding Answer

∴

N Lamp = 3

Number of Lamps Required for Illumination Formula Elements

Variables

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.

Symbol: N_Lamp

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Number of Lamp

Illumination Intensity

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.

Symbol: E_v

Measurement: IlluminanceUnit: lx

Note: Value can be positive or negative.

Formulas to find Illumination Intensity

Area of Illumination

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.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Illumination

Luminous Flux

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.

Symbol: F

Measurement: Luminous FluxUnit: lm

Note: Value can be positive or negative.

Formulas to find Luminous Flux

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.

Symbol: UF

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Utilization Factor

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.

Symbol: MF

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Maintenance Factor

Other formulas in Illumination Parameters category

Go Solid Angle

ω = \frac{A}{r^{2}}

Go Reduction Factor

RF = \frac{M.S.C.P.}{M.H.C.P.}

Go Mean Spherical Candle Power

M.S.C.P. = \frac{F}{4 \cdot π}

Go Mean Horizontal Candle Power

M.H.C.P. = \frac{S}{N Lamp}

How to Evaluate Number of Lamps Required for Illumination?

Number of Lamps Required for Illumination evaluator uses Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor) to evaluate 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 N_Lamp symbol.

How to evaluate Number of Lamps Required for Illumination using this online evaluator? To use this online evaluator for Number of Lamps Required for Illumination, enter Illumination Intensity (E_v), Area of Illumination (A), Luminous Flux (F), Utilization Factor (UF) & Maintenance Factor (MF) and hit the calculate button.

FAQs on Number of Lamps Required for Illumination

What is the formula to find Number of Lamps Required for Illumination?

The formula of Number of Lamps Required for Illumination is expressed as Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor). Here is an example- 3 = (1.02*41)/(42*0.15*2).

How to calculate Number of Lamps Required for Illumination?

With Illumination Intensity (E_v), Area of Illumination (A), Luminous Flux (F), Utilization Factor (UF) & Maintenance Factor (MF) we can find Number of Lamps Required for Illumination using the formula - Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor).

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Number of Lamps Required for Illumination Formula

Number of Lamps Required for Illumination Example

Number of Lamps Required for Illumination Solution

Number of Lamps Required for Illumination Formula Elements

Other formulas in Illumination Parameters category

How to Evaluate Number of Lamps Required for Illumination?

FAQs on Number of Lamps Required for Illumination

Variable Name