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Heat Gain through Partition, Floor or Ceiling Formula

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Heat gain is the term given to a temperature rise within a space due to heat from the sun (solar radiation). Check FAQs

Q gain = U i \cdot SA Duct \cdot CLTD

Q_gain - Heat Gain?U_i - Heat Transfer Coefficient for Interior Structure?SA_Duct - Surface Area of Duct?CLTD - Cooling Load Temperature Difference?

Heat Gain through Partition, Floor or Ceiling Example

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Here is how the Heat Gain through Partition, Floor or Ceiling equation looks like with Values.

Here is how the Heat Gain through Partition, Floor or Ceiling equation looks like with Units.

Here is how the Heat Gain through Partition, Floor or Ceiling equation looks like.

87960.598 = 1.5 \cdot 120 \cdot 29

87960.598Btu/h = 1.5BTU(IT)/h*ft²*°F \cdot 120ft² \cdot 29°F

87960.598 = 1.5 \cdot 120 \cdot 29

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Heat Gain through Partition, Floor or Ceiling Solution

Follow our step by step solution on how to calculate Heat Gain through Partition, Floor or Ceiling?

FIRST Step Consider the formula

Q gain = U i \cdot SA Duct \cdot CLTD

Next Step Substitute values of Variables

∴

Q gain = 1.5BTU(IT)/h*ft²*°F \cdot 120ft² \cdot 29°F

Next Step Convert Units

∴

Q gain = 8.5174W/m²*K \cdot 11.1484m² \cdot 271.4833K

Next Step Prepare to Evaluate

∴

Q gain = 8.5174 \cdot 11.1484 \cdot 271.4833

Next Step Evaluate

∴

Q gain = 25778.7065878854W

Next Step Convert to Output's Unit

∴

Q gain = 87960.5979967118Btu/h

LAST Step Rounding Answer

∴

Q gain = 87960.598Btu/h

Heat Gain through Partition, Floor or Ceiling Formula Elements

Variables

Heat Gain

Heat gain is the term given to a temperature rise within a space due to heat from the sun (solar radiation).

Symbol: Q_gain

Measurement: PowerUnit: Btu/h

Note: Value can be positive or negative.

Formulas to find Heat Gain

Heat Transfer Coefficient for Interior Structure

Heat Transfer Coefficient for Interior Structure is a measure of the overall ability of a series of conductive and convective barriers to transfer heat.

Symbol: U_i

Measurement: Heat Transfer CoefficientUnit: BTU(IT)/h*ft²*°F

Note: Value can be positive or negative.

Formulas to find Heat Transfer Coefficient for Interior Structure

Surface Area of Duct

Surface area of duct is the sum of the areas of all faces of the duct.

Symbol: SA_Duct

Measurement: AreaUnit: ft²

Note: Value should be greater than 0.

Formulas to find Surface Area of Duct

Cooling Load Temperature Difference

Cooling Load Temperature Difference is an equivalent temperature difference used for calculating the instantaneous external cooling load across a wall or roof.

Symbol: CLTD

Measurement: TemperatureUnit: °F

Note: Value can be positive or negative.

Formulas to find Cooling Load Temperature Difference

Other formulas in Heat Gain category

Go Latent Heat Gain from people

Q l = q l \cdot n

Go Latent Heat Gain per person using Latent Heat Gain from people

q l = \frac{Q l}{n}

Go Latent cooling load from ventilation air

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

Go Sensible Heat Gain from people

Q S = q s \cdot n \cdot CLF

How to Evaluate Heat Gain through Partition, Floor or Ceiling?

Heat Gain through Partition, Floor or Ceiling evaluator uses Heat Gain = Heat Transfer Coefficient for Interior Structure*Surface Area of Duct*Cooling Load Temperature Difference to evaluate the Heat Gain, Heat Gain through Partition, Floor or Ceiling formula is defined as a measure of the total heat gain that occurs through the partition, floor, or ceiling of a building due to the temperature difference between the inside and outside environments, which affects the overall energy consumption and indoor climate. Heat Gain is denoted by Q_gain symbol.

How to evaluate Heat Gain through Partition, Floor or Ceiling using this online evaluator? To use this online evaluator for Heat Gain through Partition, Floor or Ceiling, enter Heat Transfer Coefficient for Interior Structure (U_i), Surface Area of Duct (SA_Duct) & Cooling Load Temperature Difference (CLTD) and hit the calculate button.

FAQs on Heat Gain through Partition, Floor or Ceiling

What is the formula to find Heat Gain through Partition, Floor or Ceiling?

The formula of Heat Gain through Partition, Floor or Ceiling is expressed as Heat Gain = Heat Transfer Coefficient for Interior Structure*Surface Area of Duct*Cooling Load Temperature Difference. Here is an example- 300134 = 8.51739501160224*11.1483648000892*271.483327150345.

How to calculate Heat Gain through Partition, Floor or Ceiling?

With Heat Transfer Coefficient for Interior Structure (U_i), Surface Area of Duct (SA_Duct) & Cooling Load Temperature Difference (CLTD) we can find Heat Gain through Partition, Floor or Ceiling using the formula - Heat Gain = Heat Transfer Coefficient for Interior Structure*Surface Area of Duct*Cooling Load Temperature Difference.

Can the Heat Gain through Partition, Floor or Ceiling be negative?

Yes, the Heat Gain through Partition, Floor or Ceiling, measured in Power can be negative.

Which unit is used to measure Heat Gain through Partition, Floor or Ceiling?

Heat Gain through Partition, Floor or Ceiling is usually measured using the Btu (IT) per Hour[Btu/h] for Power. Watt[Btu/h], Kilowatt[Btu/h], Milliwatt[Btu/h] are the few other units in which Heat Gain through Partition, Floor or Ceiling can be measured.

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Heat Gain through Partition, Floor or Ceiling Formula

Heat Gain through Partition, Floor or Ceiling Example

Heat Gain through Partition, Floor or Ceiling Solution

Heat Gain through Partition, Floor or Ceiling Formula Elements

Other formulas in Heat Gain category

How to Evaluate Heat Gain through Partition, Floor or Ceiling?

FAQs on Heat Gain through Partition, Floor or Ceiling

Variable Name