Cooling load Heat Gain through windows Calculator

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Sensible Cooling Loads

✖Area of glass is the area through which solar radiation entering to conditioned space.ⓘ Area of Glass [A_glass]			+10% -10%
✖Glass load factor is the value which accounts for both solar radiation and conduction through glass.ⓘ Glass Load Factor [GLF]			+10% -10%

✖Sensible Cooling Load is the heat added or removed from conditioned space by means of roof, ceiling, floor or windows.ⓘ Cooling load Heat Gain through windows [Q_{per hour}]

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Formula

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Cooling load Heat Gain through windows

Formula

`"Q"_{"per hour"} = "A"_{"glass"}*"GLF"`

Example

`"1226.32Btu/h"="240ft²"*"55Btu/h"`

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Cooling load Heat Gain through windows Solution

STEP 0: Pre-Calculation Summary

Formula Used

Sensible Cooling Load = Area of Glass*Glass Load Factor
Q_{per hour} = A_glass*GLF
This formula uses 3 Variables

Variables Used

Sensible Cooling Load - (Measured in Watt) - Sensible Cooling Load is the heat added or removed from conditioned space by means of roof, ceiling, floor or windows.
Area of Glass - (Measured in Square Meter) - Area of glass is the area through which solar radiation entering to conditioned space.
Glass Load Factor - (Measured in Watt) - Glass load factor is the value which accounts for both solar radiation and conduction through glass.

STEP 1: Convert Input(s) to Base Unit

Area of Glass: 240 Square Foot --> 22.2967296001784 Square Meter (Check conversion here)
Glass Load Factor: 55 Btu (th) per Hour --> 16.1081249996095 Watt (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_{per hour} = A_glass*GLF --> 22.2967296001784*16.1081249996095

Evaluating ... ...

Q_{per hour} = 359.158507482167

STEP 3: Convert Result to Output's Unit

359.158507482167 Watt -->1226.32012800981 Btu (th) per Hour (Check conversion here)

FINAL ANSWER

1226.32012800981 ≈ 1226.32 Btu (th) per Hour <-- Sensible Cooling Load

(Calculation completed in 00.020 seconds)

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Created by Rudrani Tidke

Cummins College of Engineering for Women (CCEW), Pune

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Osmania University (OU), Hyderabad

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< 9 Heat Gain Calculators

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Go Latent cooling load from ventilation air in BTU/hr = 0.68*Air ventilation rate in Cubic foot per minute*(Outside Humidity Ratio-Inside humidity ratio)

Duct Heat Gain

Go Duct Heat Gain = Overall Heat Transfer Coefficient*Surface Area of Duct*Temperature change between Outdoor and Inside air

Heat Gain through Partition, Floor or Ceiling

Go Heat Gain = Heat Transfer Coefficient for Interior Structure*Surface Area of Duct*Cooling Load Temperature Difference

Sensible Heat Gain per people using Sensible Heat Gain from people

Go Sensible Heat Gains per person = Sensible Heat Gain from people/(Number of people*Cooling Load Factor for people)

Sensible Heat Gain from people

Go Sensible Heat Gain from people = Sensible Heat Gains per person*Number of people*Cooling Load Factor for people

Sensible Cooling Load Heat Gain through Structure

Go Sensible Cooling Load = Overall Heat Transfer Coefficient*Surface Area*Cooling Load Temperature Difference

Latent Heat Gain per person using Latent Heat Gain from people

Go Latent heat gains per person = Latent Heat Gain/Number of people

Latent Heat Gain from people

Go Latent Heat Gain = Latent heat gains per person*Number of people

Cooling load Heat Gain through windows

Go Sensible Cooling Load = Area of Glass*Glass Load Factor

Cooling load Heat Gain through windows Formula

Sensible Cooling Load = Area of Glass*Glass Load Factor
Q_{per hour} = A_glass*GLF

What is the difference between sensible heat gain and latent heat gain?

Latent and sensible heat are types of energy released or absorbed in the atmosphere. Latent heat is related to changes in phase between liquids, gases, and solids. Sensible heat is related to changes in temperature of a gas or object with no change in phase.

How to Calculate Cooling load Heat Gain through windows?

Cooling load Heat Gain through windows calculator uses Sensible Cooling Load = Area of Glass*Glass Load Factor to calculate the Sensible Cooling Load, The Cooling load Heat Gain through windows formula is defined as the Heat that causes a change in temperature due to conduction or radiation through glass in conditioned space. Sensible Cooling Load is denoted by Q_{per hour} symbol.

How to calculate Cooling load Heat Gain through windows using this online calculator? To use this online calculator for Cooling load Heat Gain through windows, enter Area of Glass (A_glass) & Glass Load Factor (GLF) and hit the calculate button. Here is how the Cooling load Heat Gain through windows calculation can be explained with given input values -> 4187.179 = 22.2967296001784*16.1081249996095.

FAQ

What is Cooling load Heat Gain through windows?

The Cooling load Heat Gain through windows formula is defined as the Heat that causes a change in temperature due to conduction or radiation through glass in conditioned space and is represented as Q_{per hour} = A_glass*GLF or Sensible Cooling Load = Area of Glass*Glass Load Factor. Area of glass is the area through which solar radiation entering to conditioned space & Glass load factor is the value which accounts for both solar radiation and conduction through glass.

How to calculate Cooling load Heat Gain through windows?

The Cooling load Heat Gain through windows formula is defined as the Heat that causes a change in temperature due to conduction or radiation through glass in conditioned space is calculated using Sensible Cooling Load = Area of Glass*Glass Load Factor. To calculate Cooling load Heat Gain through windows, you need Area of Glass (A_glass) & Glass Load Factor (GLF). With our tool, you need to enter the respective value for Area of Glass & Glass Load Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Sensible Cooling Load?

In this formula, Sensible Cooling Load uses Area of Glass & Glass Load Factor. We can use 1 other way(s) to calculate the same, which is/are as follows -

Sensible Cooling Load = Overall Heat Transfer Coefficient*Surface Area*Cooling Load Temperature Difference

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