LCM of two numbers

Collector efficiency factor for compound parabolic collector Calculator

Physics Chemistry Engineering Financial More >>

↳

Mechanical Aerospace Basic Physics Others and Extra

⤿

Solar Energy Systems Automobile Design of Automobile Elements Design of Machine Elements More >>

⤿

Concentrating Collectors Basics Liquid Flat Plate Collectors Other Renewable Energy Sources More >>

✖Overall loss coefficient is defined as the heat loss from collector per unit area of absorber plate and temperature difference between absorber plate and surrounding air.ⓘ Overall Loss Coefficient [U_l]			+10% -10%
✖The Absorber Surface Width is the width of the surface that captures solar energy in concentrating solar collectors, influencing efficiency and energy absorption.ⓘ Absorber Surface Width [b]			+10% -10%
✖The Number of Tubes is the total count of tubes used in a concentrating collector system, which helps capture and transfer solar energy efficiently.ⓘ Number of Tubes [N]			+10% -10%
✖The Inner Diameter Absorber Tube is the internal width of the tube that collects solar energy in concentrating solar collectors, influencing efficiency and heat transfer.ⓘ Inner Diameter Absorber Tube [D_i]			+10% -10%
✖The Heat Transfer Coefficient Inside is a measure of the efficiency of heat transfer within the interior of a concentrating solar collector.ⓘ Heat Transfer Coefficient Inside [h_f]			+10% -10%

✖The Collector Efficiency Factor is a measure of how effectively a solar collector converts sunlight into usable energy, reflecting its performance in energy collection.ⓘ Collector efficiency factor for compound parabolic collector [F′]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download Mechanical Formula PDF PDF Image

Collector efficiency factor for compound parabolic collector Solution

STEP 0: Pre-Calculation Summary

Formula Used

Collector Efficiency Factor = (Overall Loss Coefficient*(1/Overall Loss Coefficient+(Absorber Surface Width/(Number of Tubes*pi*Inner Diameter Absorber Tube*Heat Transfer Coefficient Inside))))^-1
F′ = (U_l*(1/U_l+(b/(N*pi*D_i*h_f))))^-1
This formula uses 1 Constants, 6 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Collector Efficiency Factor - The Collector Efficiency Factor is a measure of how effectively a solar collector converts sunlight into usable energy, reflecting its performance in energy collection.
Overall Loss Coefficient - (Measured in Watt per Square Meter per Kelvin) - Overall loss coefficient is defined as the heat loss from collector per unit area of absorber plate and temperature difference between absorber plate and surrounding air.
Absorber Surface Width - (Measured in Meter) - The Absorber Surface Width is the width of the surface that captures solar energy in concentrating solar collectors, influencing efficiency and energy absorption.
Number of Tubes - The Number of Tubes is the total count of tubes used in a concentrating collector system, which helps capture and transfer solar energy efficiently.
Inner Diameter Absorber Tube - (Measured in Meter) - The Inner Diameter Absorber Tube is the internal width of the tube that collects solar energy in concentrating solar collectors, influencing efficiency and heat transfer.
Heat Transfer Coefficient Inside - (Measured in Watt per Square Meter per Kelvin) - The Heat Transfer Coefficient Inside is a measure of the efficiency of heat transfer within the interior of a concentrating solar collector.

STEP 1: Convert Input(s) to Base Unit

Overall Loss Coefficient: 1.25 Watt per Square Meter per Kelvin --> 1.25 Watt per Square Meter per Kelvin No Conversion Required
Absorber Surface Width: 6 Meter --> 6 Meter No Conversion Required
Number of Tubes: 0.954678 --> No Conversion Required
Inner Diameter Absorber Tube: 0.15 Meter --> 0.15 Meter No Conversion Required
Heat Transfer Coefficient Inside: 1.75 Watt per Square Meter per Kelvin --> 1.75 Watt per Square Meter per Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F′ = (U_l*(1/U_l+(b/(N*pi*D_i*h_f))))^-1 --> (1.25*(1/1.25+(6/(0.954678*pi*0.15*1.75))))^-1

Evaluating ... ...

F′ = 0.0949999615110857

STEP 3: Convert Result to Output's Unit

0.0949999615110857 --> No Conversion Required

FINAL ANSWER

0.0949999615110857 ≈ 0.095 <-- Collector Efficiency Factor

(Calculation completed in 00.004 seconds)

You are here -

Home » Physics » Solar Energy Systems » Mechanical » Concentrating Collectors » Collector efficiency factor for compound parabolic collector

Credits

Created by ADITYA RAWAT

DIT UNIVERSITY (DITU), Dehradun

ADITYA RAWAT has created this Calculator and 50+ more calculators!

Verified by Ravi Khiyani

Shri Govindram Seksaria Institute of Technology and Science (SGSITS), Indore

Ravi Khiyani has verified this Calculator and 300+ more calculators!

< Concentrating Collectors Calculators

Inclination of reflectors

LaTeX Go Inclination of Reflector = (pi-Tilt Angle-2*Latitude Angle+2*Declination Angle)/3

Useful heat gain in concentrating collector

LaTeX Go Useful Heat Gain = Effective Area of Aperture*Solar Beam Radiation-Heat Loss from Collector

Maximum possible concentration ratio of 3-D concentrator

LaTeX Go Maximum Concentration Ratio = 2/(1-cos(2*Acceptance Angle for 3D))

Maximum possible concentration ratio of 2-D concentrator

LaTeX Go Maximum Concentration Ratio = 1/sin(Acceptance Angle for 2D)

Collector efficiency factor for compound parabolic collector Formula

LaTeX Go

What is Collector Efficiency Factor?

The collector efficiency factor is a measure of the effectiveness of a solar collector in transferring absorbed solar energy to the working fluid. It accounts for heat losses through the collector's surface and the efficiency of heat conduction within the collector. A higher efficiency factor indicates better performance, making it a crucial parameter in optimizing solar thermal systems for maximum energy conversion.

How to Calculate Collector efficiency factor for compound parabolic collector?

Collector efficiency factor for compound parabolic collector calculator uses Collector Efficiency Factor = (Overall Loss Coefficient*(1/Overall Loss Coefficient+(Absorber Surface Width/(Number of Tubes*pi*Inner Diameter Absorber Tube*Heat Transfer Coefficient Inside))))^-1 to calculate the Collector Efficiency Factor, The Collector efficiency factor for compound parabolic collector formula is defined as the ratio of the actual thermal collector power to the power of an ideal collector whose absorber temperature is equal to the fluid temperature. Collector Efficiency Factor is denoted by F′ symbol.

How to calculate Collector efficiency factor for compound parabolic collector using this online calculator? To use this online calculator for Collector efficiency factor for compound parabolic collector, enter Overall Loss Coefficient (U_l), Absorber Surface Width (b), Number of Tubes (N), Inner Diameter Absorber Tube (D_i) & Heat Transfer Coefficient Inside (h_f) and hit the calculate button. Here is how the Collector efficiency factor for compound parabolic collector calculation can be explained with given input values -> 0.094578 = (1.25*(1/1.25+(6/(0.954678*pi*0.15*1.75))))^-1.

FAQ

What is Collector efficiency factor for compound parabolic collector?

The Collector efficiency factor for compound parabolic collector formula is defined as the ratio of the actual thermal collector power to the power of an ideal collector whose absorber temperature is equal to the fluid temperature and is represented as F′ = (U_l*(1/U_l+(b/(N*pi*D_i*h_f))))^-1 or Collector Efficiency Factor = (Overall Loss Coefficient*(1/Overall Loss Coefficient+(Absorber Surface Width/(Number of Tubes*pi*Inner Diameter Absorber Tube*Heat Transfer Coefficient Inside))))^-1. Overall loss coefficient is defined as the heat loss from collector per unit area of absorber plate and temperature difference between absorber plate and surrounding air, The Absorber Surface Width is the width of the surface that captures solar energy in concentrating solar collectors, influencing efficiency and energy absorption, The Number of Tubes is the total count of tubes used in a concentrating collector system, which helps capture and transfer solar energy efficiently, The Inner Diameter Absorber Tube is the internal width of the tube that collects solar energy in concentrating solar collectors, influencing efficiency and heat transfer & The Heat Transfer Coefficient Inside is a measure of the efficiency of heat transfer within the interior of a concentrating solar collector.

How to calculate Collector efficiency factor for compound parabolic collector?

The Collector efficiency factor for compound parabolic collector formula is defined as the ratio of the actual thermal collector power to the power of an ideal collector whose absorber temperature is equal to the fluid temperature is calculated using Collector Efficiency Factor = (Overall Loss Coefficient*(1/Overall Loss Coefficient+(Absorber Surface Width/(Number of Tubes*pi*Inner Diameter Absorber Tube*Heat Transfer Coefficient Inside))))^-1. To calculate Collector efficiency factor for compound parabolic collector, you need Overall Loss Coefficient (U_l), Absorber Surface Width (b), Number of Tubes (N), Inner Diameter Absorber Tube (D_i) & Heat Transfer Coefficient Inside (h_f). With our tool, you need to enter the respective value for Overall Loss Coefficient, Absorber Surface Width, Number of Tubes, Inner Diameter Absorber Tube & Heat Transfer Coefficient Inside 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 Collector Efficiency Factor?

In this formula, Collector Efficiency Factor uses Overall Loss Coefficient, Absorber Surface Width, Number of Tubes, Inner Diameter Absorber Tube & Heat Transfer Coefficient Inside. We can use 1 other way(s) to calculate the same, which is/are as follows -

Collector Efficiency Factor = 1/(Overall Loss Coefficient*(1/Overall Loss Coefficient+Outer Diameter of Absorber Tube/(Inner Diameter Absorber Tube*Heat Transfer Coefficient Inside)))

Home

FREE PDFs

🔍 Search