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Flux absorbed in compound parabolic collector Formula

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Flux absorbed by plate is defined as the incident solar flux absorbed in the absorber plate. Check FAQs

S flux = ((I b \cdot r b) + (\frac{I d}{C})) \cdot τ \cdot ρ e \cdot α

S_flux - Flux Absorbed by Plate?I_b - Hourly Beam Component?r_b - Tilt Factor for Beam Radiation?I_d - Hourly Diffuse Component?C - Concentration Ratio?τ - Transmissivity of Cover?ρ_e - Effective Reflectivity of Concentrator?α - Absorptivity of Absorber Surface?

Flux absorbed in compound parabolic collector Example

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Here is how the Flux absorbed in compound parabolic collector equation looks like with Values.

Here is how the Flux absorbed in compound parabolic collector equation looks like with Units.

Here is how the Flux absorbed in compound parabolic collector equation looks like.

11.025 = ((180 \cdot 0.25) + (\frac{9}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

11.025J/sm² = ((180J/sm² \cdot 0.25) + (\frac{9J/sm²}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

11.025 = ((180 \cdot 0.25) + (\frac{9}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

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Flux absorbed in compound parabolic collector Solution

Follow our step by step solution on how to calculate Flux absorbed in compound parabolic collector?

FIRST Step Consider the formula

S flux = ((I b \cdot r b) + (\frac{I d}{C})) \cdot τ \cdot ρ e \cdot α

Next Step Substitute values of Variables

∴

S flux = ((180J/sm² \cdot 0.25) + (\frac{9J/sm²}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

Next Step Convert Units

∴

S flux = ((180W/m² \cdot 0.25) + (\frac{9W/m²}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

Next Step Prepare to Evaluate

∴

S flux = ((180 \cdot 0.25) + (\frac{9}{0.8})) \cdot 0.56 \cdot 0.5 \cdot 0.7

Next Step Evaluate

∴

S flux = 11.025W/m²

LAST Step Convert to Output's Unit

∴

S flux = 11.025J/sm²

Flux absorbed in compound parabolic collector Formula Elements

Variables

Flux Absorbed by Plate

Flux absorbed by plate is defined as the incident solar flux absorbed in the absorber plate.

Symbol: S_flux

Measurement: Heat Flux DensityUnit: J/sm²

Note: Value can be positive or negative.

Hourly Beam Component

Hourly beam component is defined as the solar radiation received from the Sun without having been scattered by the atmosphere per hour.

Symbol: I_b

Measurement: Heat Flux DensityUnit: J/sm²

Note: Value can be positive or negative.

Tilt Factor for Beam Radiation

Tilt factor for beam radiation is defined as the ratio of beam radiation flux falling on a tilted surface to that falling on an horizontal surface.

Symbol: r_b

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Hourly Diffuse Component

Hourly diffuse component is defined as the part of total radiation that reaches earth's surface after a change of its directions due to scattering by the atmosphere per hour.

Symbol: I_d

Measurement: Heat Flux DensityUnit: J/sm²

Note: Value can be positive or negative.

Concentration Ratio

Concentration ratio is defined as the ratio of the effective area of aperture to the surface area of the absorber.

Symbol: C

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Transmissivity of Cover

Transmissivity of cover is defined as the degree to which the cover allows something, in particular electromagnetic radiation, to pass through it.

Symbol: τ

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Effective Reflectivity of Concentrator

Effective reflectivity of concentrator is the ability of the concentrator to reflect the energy incident on its surface for all types of radiation.

Symbol: ρ_e

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Absorptivity of Absorber Surface

Absorptivity of absorber surface is the property of the surface that determines the fraction of incident radiation absorbed by the surface.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Credits

Creator Image

Created by ADITYA RAWAT

DIT UNIVERSITY (DITU), Dehradun

ADITYA RAWAT has created this Formula and 50+ more formulas!

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Verified by Ravi Khiyani

Indian Institute of Technology, Madras (IIT Madras), Chennai

Ravi Khiyani has verified this Formula and 300+ more formulas!

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C m = \frac{1}{\sin (θ a)}

Go Maximum possible concentration ratio of 3-D concentrator

C m = \frac{2}{1 - \cos (2 \cdot θ a)}

See More

How to Evaluate Flux absorbed in compound parabolic collector?

Flux absorbed in compound parabolic collector evaluator uses Flux Absorbed by Plate = ((Hourly Beam Component*Tilt Factor for Beam Radiation)+(Hourly Diffuse Component/Concentration Ratio))*Transmissivity of Cover*Effective Reflectivity of Concentrator*Absorptivity of Absorber Surface to evaluate the Flux Absorbed by Plate, The Flux absorbed in compound parabolic collector formula is defined as the incident solar flux absorbed in the absorber/collector. Flux Absorbed by Plate is denoted by S_flux symbol.

How to evaluate Flux absorbed in compound parabolic collector using this online evaluator? To use this online evaluator for Flux absorbed in compound parabolic collector, enter Hourly Beam Component (I_b), Tilt Factor for Beam Radiation (r_b), Hourly Diffuse Component (I_d), Concentration Ratio (C), Transmissivity of Cover (τ), Effective Reflectivity of Concentrator (ρ_e) & Absorptivity of Absorber Surface (α) and hit the calculate button.

FAQs on Flux absorbed in compound parabolic collector

What is the formula to find Flux absorbed in compound parabolic collector?

The formula of Flux absorbed in compound parabolic collector is expressed as Flux Absorbed by Plate = ((Hourly Beam Component*Tilt Factor for Beam Radiation)+(Hourly Diffuse Component/Concentration Ratio))*Transmissivity of Cover*Effective Reflectivity of Concentrator*Absorptivity of Absorber Surface. Here is an example- 3.087 = ((180*0.25)+(9/0.8))*0.56*0.5*0.7.

How to calculate Flux absorbed in compound parabolic collector?

With Hourly Beam Component (I_b), Tilt Factor for Beam Radiation (r_b), Hourly Diffuse Component (I_d), Concentration Ratio (C), Transmissivity of Cover (τ), Effective Reflectivity of Concentrator (ρ_e) & Absorptivity of Absorber Surface (α) we can find Flux absorbed in compound parabolic collector using the formula - Flux Absorbed by Plate = ((Hourly Beam Component*Tilt Factor for Beam Radiation)+(Hourly Diffuse Component/Concentration Ratio))*Transmissivity of Cover*Effective Reflectivity of Concentrator*Absorptivity of Absorber Surface.

Can the Flux absorbed in compound parabolic collector be negative?

Yes, the Flux absorbed in compound parabolic collector, measured in Heat Flux Density can be negative.

Which unit is used to measure Flux absorbed in compound parabolic collector?

Flux absorbed in compound parabolic collector is usually measured using the Joule per Second per Square Meter[J/sm²] for Heat Flux Density. Watt per Square Meter[J/sm²], Kilowatt per Square Meter[J/sm²], Watt per Square Centimeter[J/sm²] are the few other units in which Flux absorbed in compound parabolic collector can be measured.

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