Outer Diameter of Absorber Tube given Concentration Ratio Solution

STEP 0: Pre-Calculation Summary
Formula Used
Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1)
Do = W/(C*pi+1)
This formula uses 1 Constants, 3 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Outer diameter of absorber tube - (Measured in Meter) - Outer diameter of absorber tube is the measurement of the outside edges of the tube passing through its center.
Concentrator Aperture - (Measured in Meter) - Concentrator aperture is defined as the opening through which sun rays pass .
Concentration ratio - Concentration ratio is defined as the ratio of the effective area of aperture to the surface area of the absorber.
STEP 1: Convert Input(s) to Base Unit
Concentrator Aperture: 7 Meter --> 7 Meter No Conversion Required
Concentration ratio: 0.8 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Do = W/(C*pi+1) --> 7/(0.8*pi+1)
Evaluating ... ...
Do = 1.99244344596659
STEP 3: Convert Result to Output's Unit
1.99244344596659 Meter --> No Conversion Required
FINAL ANSWER
1.99244344596659 โ‰ˆ 1.992443 Meter <-- Outer diameter of absorber tube
(Calculation completed in 00.020 seconds)

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23 Concentrating Collectors Calculators

Useful heat gain when collector efficiency factor is present
Go Useful heat gain = (Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)*(((Concentration ratio*Flux absorbed by plate)/Overall loss coefficient)+(Ambient Air Temperature-Inlet fluid temperature flat plate collector))*(1-e^(-(Collector Efficiency Factor*pi*Outer diameter of absorber tube*Overall loss coefficient*Length of Concentrator)/(Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)))
Heat removal factor concentrating collector
Go Collector heat removal factor = ((Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)/(pi*Outer diameter of absorber tube*Length of Concentrator*Overall loss coefficient))*(1-e^(-(Collector Efficiency Factor*pi*Outer diameter of absorber tube*Overall loss coefficient*Length of Concentrator)/(Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)))
Heat removal factor in compound parabolic collector
Go Collector heat removal factor = ((Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)/(Absorber Surface Width*Overall loss coefficient*Length of Concentrator))*(1-e^(-(Collector Efficiency Factor*Absorber Surface Width*Overall loss coefficient*Length of Concentrator)/(Mass Flowrate*Molar Specific Heat Capacity at Constant Pressure)))
Useful heat gain rate in concentrating collector when concentration ratio is present
Go Useful heat gain = Collector heat removal factor*(Concentrator Aperture-Outer diameter of absorber tube)*Length of Concentrator*(Flux absorbed by plate-(Overall loss coefficient/Concentration ratio)*(Inlet fluid temperature flat plate collector-Ambient Air Temperature))
Useful heat gain in compound parabolic collector
Go Useful heat gain = Collector heat removal factor*Concentrator Aperture*Length of Concentrator*(Flux absorbed by plate-((Overall loss coefficient/Concentration ratio)*(Inlet fluid temperature flat plate collector-Ambient Air Temperature)))
Flux absorbed in compound parabolic collector
Go 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
Instantaneous collection efficiency of concentrating collector
Go Instantaneous Collection Efficiency = Useful heat gain/((Hourly beam component*Tilt Factor for Beam Radiation+Hourly Diffuse Component*Tilt factor for diffused radiation)*Concentrator Aperture*Length of Concentrator)
Useful heat gain when collection efficiency is present
Go Useful heat gain = Instantaneous Collection Efficiency*(Hourly beam component*Tilt Factor for Beam Radiation+Hourly Diffuse Component*Tilt factor for diffused radiation)*Concentrator Aperture*Length of Concentrator
Collector efficiency factor for compound parabolic collector
Go 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
Area of Aperture given Useful Heat Gain
Go Effective area of aperture = Useful heat gain/(Flux absorbed by plate- (Overall loss coefficient/Concentration ratio)*(Average temperature of absorber plate-Ambient Air Temperature))
Collector efficiency factor concentrating collector
Go Collector Efficiency Factor = 1/(Overall loss coefficient*(1/Overall loss coefficient+Outer diameter of absorber tube/(Inner diameter absorber tube*Heat Transfer Coefficient Inside)))
Instantaneous collection efficiency of concentrating collector on basis of beam radiation
Go Instantaneous Collection Efficiency = Useful heat gain/(Hourly beam component*Tilt Factor for Beam Radiation*Concentrator Aperture*Length of Concentrator)
Area of absorber in central receiver collector
Go Area of Absorber in Central Receiver Collector = pi/2*Diameter of Sphere Absorber^2*(1+sin(Rim Angle)-(cos(Rim Angle)/2))
Area of Absorber given Heat Loss from Absorber
Go Area of absorber plate = Heat Loss from Collector/(Overall loss coefficient*(Average temperature of absorber plate-Ambient Air Temperature))
Concentration ratio of collector
Go Concentration ratio = (Concentrator Aperture-Outer diameter of absorber tube)/(pi*Outer diameter of absorber tube)
Inclination of reflectors
Go Inclination of Reflector = (pi-Tilt Angle-2*Latitude Angle+2*Declination Angle)/3
Solar Beam Radiation given Useful Heat Gain Rate and Heat Loss Rate from Absorber
Go Solar beam radiation = (Useful heat gain+Heat Loss from Collector)/Effective area of aperture
Useful heat gain in concentrating collector
Go Useful heat gain = Effective area of aperture*Solar beam radiation-Heat Loss from Collector
Outer Diameter of Absorber Tube given Concentration Ratio
Go Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1)
Acceptance Angle of 3-D Concentrator given Maximum Concentration Ratio
Go Acceptance Angle = (acos(1-2/Maximum concentration ratio))/2
Maximum possible concentration ratio of 3-D concentrator
Go Maximum concentration ratio = 2/(1-cos(2*Acceptance Angle))
Acceptance Angle of 2-D Concentrator given Maximum Concentration Ratio
Go Acceptance Angle = asin(1/Maximum concentration ratio)
Maximum possible concentration ratio of 2-D concentrator
Go Maximum concentration ratio = 1/sin(Acceptance Angle)

Outer Diameter of Absorber Tube given Concentration Ratio Formula

Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1)
Do = W/(C*pi+1)

Which focusing is used in linear Fresnel collector?

Linear Fresnel reflector (LFR) systems produce a linear focus on a downward-facing fixed receiver mounted on a series of small towers. Long rows of flat or slightly curved mirrors move independently on one axis to reflect the sun's rays onto the stationary receiver.

How to Calculate Outer Diameter of Absorber Tube given Concentration Ratio?

Outer Diameter of Absorber Tube given Concentration Ratio calculator uses Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1) to calculate the Outer diameter of absorber tube, The Outer Diameter of Absorber Tube given Concentration Ratio formula is defined as the measurement of the outside edges of the tube passing through its center. Outer diameter of absorber tube is denoted by Do symbol.

How to calculate Outer Diameter of Absorber Tube given Concentration Ratio using this online calculator? To use this online calculator for Outer Diameter of Absorber Tube given Concentration Ratio, enter Concentrator Aperture (W) & Concentration ratio (C) and hit the calculate button. Here is how the Outer Diameter of Absorber Tube given Concentration Ratio calculation can be explained with given input values -> 1.992443 = 7/(0.8*pi+1).

FAQ

What is Outer Diameter of Absorber Tube given Concentration Ratio?
The Outer Diameter of Absorber Tube given Concentration Ratio formula is defined as the measurement of the outside edges of the tube passing through its center and is represented as Do = W/(C*pi+1) or Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1). Concentrator aperture is defined as the opening through which sun rays pass & Concentration ratio is defined as the ratio of the effective area of aperture to the surface area of the absorber.
How to calculate Outer Diameter of Absorber Tube given Concentration Ratio?
The Outer Diameter of Absorber Tube given Concentration Ratio formula is defined as the measurement of the outside edges of the tube passing through its center is calculated using Outer diameter of absorber tube = Concentrator Aperture/(Concentration ratio*pi+1). To calculate Outer Diameter of Absorber Tube given Concentration Ratio, you need Concentrator Aperture (W) & Concentration ratio (C). With our tool, you need to enter the respective value for Concentrator Aperture & Concentration ratio 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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