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Latent cooling load from ventilation air Formula

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Latent cooling load from ventilation air in BTU/hr is the heat the results from an increase or decrease in the amount of moisture held by the air. Check FAQs

Q L = 0.68 \cdot CFM \cdot (W' o - W' i)

Q_L - Latent Cooling Load from Ventilation Air in BTU/hr?CFM - Air Ventilation Rate?W'_o - Outside Humidity Ratio?W'_i - Inside Humidity Ratio?

Latent cooling load from ventilation air Example

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Here is how the Latent cooling load from ventilation air equation looks like with Values.

Here is how the Latent cooling load from ventilation air equation looks like with Units.

Here is how the Latent cooling load from ventilation air equation looks like.

0.2808 = 0.68 \cdot 25 \cdot (95 - 60)

0.2808 = 0.68 \cdot 25ft³/min \cdot (95 - 60)

0.2808 = 0.68 \cdot 25 \cdot (95 - 60)

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Latent cooling load from ventilation air Solution

Follow our step by step solution on how to calculate Latent cooling load from ventilation air?

FIRST Step Consider the formula

Q L = 0.68 \cdot CFM \cdot (W' o - W' i)

Next Step Substitute values of Variables

∴

Q L = 0.68 \cdot 25ft³/min \cdot (95 - 60)

Next Step Convert Units

∴

Q L = 0.68 \cdot 0.0118m³/s \cdot (95 - 60)

Next Step Prepare to Evaluate

∴

Q L = 0.68 \cdot 0.0118 \cdot (95 - 60)

Next Step Evaluate

∴

Q L = 0.28080872870737

LAST Step Rounding Answer

∴

Q L = 0.2808

Latent cooling load from ventilation air Formula Elements

Variables

Latent Cooling Load from Ventilation Air in BTU/hr

Latent cooling load from ventilation air in BTU/hr is the heat the results from an increase or decrease in the amount of moisture held by the air.

Symbol: Q_L

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Latent Cooling Load from Ventilation Air in BTU/hr

Air Ventilation Rate

Air ventilation rate in Cubic foot per minute is the amount of air inhaled in a specified time period (eg. per minute) and it is also called breathing rate and inhalation rate.

Symbol: CFM

Measurement: Volumetric Flow RateUnit: ft³/min

Note: Value can be positive or negative.

Formulas to find Air Ventilation Rate

Outside Humidity Ratio

Outside Humidity Ratio is the ratio of the weight of water vapor contained outside the room compared to the weight of the dry air outside the same room.

Symbol: W'_o

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Outside Humidity Ratio

Inside Humidity Ratio

Inside humidity ratio is is the ratio of the weight of water vapor contained inside the room compared to the weight of the dry air inside the same room.

Symbol: W'_i

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Inside Humidity Ratio

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How to Evaluate Latent cooling load from ventilation air?

Latent cooling load from ventilation air evaluator uses Latent Cooling Load from Ventilation Air in BTU/hr = 0.68*Air Ventilation Rate*(Outside Humidity Ratio-Inside Humidity Ratio) to evaluate the Latent Cooling Load from Ventilation Air in BTU/hr, Latent cooling load from ventilation air formula is defined as the measure of heat energy removed from the air due to the evaporation of water vapor from the ventilation air, which affects the overall cooling load of a building and is an essential factor in designing an efficient air conditioning system. Latent Cooling Load from Ventilation Air in BTU/hr is denoted by Q_L symbol.

How to evaluate Latent cooling load from ventilation air using this online evaluator? To use this online evaluator for Latent cooling load from ventilation air, enter Air Ventilation Rate (CFM), Outside Humidity Ratio (W'_o) & Inside Humidity Ratio (W'_i) and hit the calculate button.

FAQs on Latent cooling load from ventilation air

What is the formula to find Latent cooling load from ventilation air?

The formula of Latent cooling load from ventilation air is expressed as Latent Cooling Load from Ventilation Air in BTU/hr = 0.68*Air Ventilation Rate*(Outside Humidity Ratio-Inside Humidity Ratio). Here is an example- 0.280809 = 0.68*0.0117986860801416*(95-60).

How to calculate Latent cooling load from ventilation air?

With Air Ventilation Rate (CFM), Outside Humidity Ratio (W'_o) & Inside Humidity Ratio (W'_i) we can find Latent cooling load from ventilation air using the formula - Latent Cooling Load from Ventilation Air in BTU/hr = 0.68*Air Ventilation Rate*(Outside Humidity Ratio-Inside Humidity Ratio).

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Latent cooling load from ventilation air Formula

Latent cooling load from ventilation air Example

Latent cooling load from ventilation air Solution

Latent cooling load from ventilation air Formula Elements

Other formulas in Heat Gain category

How to Evaluate Latent cooling load from ventilation air?

FAQs on Latent cooling load from ventilation air

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