Useful heat gain Solution

STEP 0: Pre-Calculation Summary
Formula Used
Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector
qu = Ap*Sflux-ql
This formula uses 4 Variables
Variables Used
Useful Heat Gain - (Measured in Watt) - Useful heat gain is defined as the rate of heat transfer to the working fluid.
Area of Absorber Plate - (Measured in Square Meter) - Area of absorber plate is defined as the area exposed to the sun that absorbs incident radiation .
Flux Absorbed by Plate - (Measured in Watt per Square Meter) - Flux absorbed by plate is defined as the incident solar flux absorbed in the absorber plate.
Heat Loss from Collector - (Measured in Watt) - Heat loss from collector is defined as the heat losses that occur due to convection, conduction and radiation.
STEP 1: Convert Input(s) to Base Unit
Area of Absorber Plate: 13 Square Meter --> 13 Square Meter No Conversion Required
Flux Absorbed by Plate: 477.04274 Joule per Second per Square Meter --> 477.04274 Watt per Square Meter (Check conversion ​here)
Heat Loss from Collector: 162.5 Watt --> 162.5 Watt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
qu = Ap*Sflux-ql --> 13*477.04274-162.5
Evaluating ... ...
qu = 6039.05562
STEP 3: Convert Result to Output's Unit
6039.05562 Watt --> No Conversion Required
FINAL ANSWER
6039.05562 6039.056 Watt <-- Useful Heat Gain
(Calculation completed in 00.004 seconds)

Credits

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Created by ADITYA RAWAT
DIT UNIVERSITY (DITU), Dehradun
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National Institute Of Technology (NIT), Hamirpur
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Liquid Flat Plate Collectors Calculators

Heat loss from collector
​ LaTeX ​ Go Heat Loss from Collector = Overall Loss Coefficient*Area of Absorber Plate*(Average Temperature of Absorber Plate-Ambient Air Temperature)
Transmissivity Absorptivity product
​ LaTeX ​ Go Transmissivity - Absorptivity Product = Transmissivity*Absorptivity/(1-(1-Absorptivity)*Diffuse Reflectivity)
Instantaneous collection efficiency
​ LaTeX ​ Go Instantaneous Collection Efficiency = Useful Heat Gain/(Gross Collector Area*Flux Incident on Top Cover)
Useful heat gain
​ LaTeX ​ Go Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector

Useful heat gain Formula

​LaTeX ​Go
Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector
qu = Ap*Sflux-ql

How do we get useful Heat Gain?

Useful heat gain is obtained by efficiently capturing and converting solar energy into thermal energy. This involves optimizing the design of the solar collector to maximize absorption, minimizing heat losses through proper insulation, and ensuring effective heat transfer to the working fluid. The efficiency of the collector, along with factors like proper orientation, material selection, and weather conditions, all contribute to achieving maximum useful heat gain in solar thermal systems.

How to Calculate Useful heat gain?

Useful heat gain calculator uses Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector to calculate the Useful Heat Gain, The Useful heat gain formula is defined as the amount of heat absorbed from the incident radiation from the sun which has further applications. Useful Heat Gain is denoted by qu symbol.

How to calculate Useful heat gain using this online calculator? To use this online calculator for Useful heat gain, enter Area of Absorber Plate (Ap), Flux Absorbed by Plate (Sflux) & Heat Loss from Collector (ql) and hit the calculate button. Here is how the Useful heat gain calculation can be explained with given input values -> 6039.056 = 13*477.04274-162.5.

FAQ

What is Useful heat gain?
The Useful heat gain formula is defined as the amount of heat absorbed from the incident radiation from the sun which has further applications and is represented as qu = Ap*Sflux-ql or Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector. Area of absorber plate is defined as the area exposed to the sun that absorbs incident radiation , Flux absorbed by plate is defined as the incident solar flux absorbed in the absorber plate & Heat loss from collector is defined as the heat losses that occur due to convection, conduction and radiation.
How to calculate Useful heat gain?
The Useful heat gain formula is defined as the amount of heat absorbed from the incident radiation from the sun which has further applications is calculated using Useful Heat Gain = Area of Absorber Plate*Flux Absorbed by Plate-Heat Loss from Collector. To calculate Useful heat gain, you need Area of Absorber Plate (Ap), Flux Absorbed by Plate (Sflux) & Heat Loss from Collector (ql). With our tool, you need to enter the respective value for Area of Absorber Plate, Flux Absorbed by Plate & Heat Loss from Collector 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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