Thermal resistance of pipe with eccentric lagging Calculator

✖Eccentric Lagging Thermal Conductivity is expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.ⓘ Eccentric Lagging Thermal Conductivity [k_e]			+10% -10%
✖Eccentric Lagging Length is the measurement or extent of something from end to end.ⓘ Eccentric Lagging Length [L_e]			+10% -10%
✖Radius 2 is the radius of the second concentric circle or circle.ⓘ Radius 2 [r₂]			+10% -10%
✖Radius 1 is the distance from the center of the concentric circles to any point on the first/smallest concentric circle or the radius of the first circle.ⓘ Radius 1 [r₁]			+10% -10%
✖Distance Between Centers of Eccentric Circles is the distance between the centres of two circles that are eccentric to each other.ⓘ Distance Between Centers of Eccentric Circles [e]			+10% -10%

✖Eccentric Lagging Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.ⓘ Thermal resistance of pipe with eccentric lagging [r_th]

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Thermal resistance of pipe with eccentric lagging Solution

STEP 0: Pre-Calculation Summary

Formula Used

Eccentric Lagging Thermal Resistance = (1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))))
r_th = (1/(2*pi*k_e*L_e))*(ln((sqrt(((r₂+r₁)^2)-e^2)+sqrt(((r₂-r₁)^2)-e^2))/(sqrt(((r₂+r₁)^2)-e^2)-sqrt(((r₂-r₁)^2)-e^2))))
This formula uses 1 Constants, 2 Functions, 6 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Functions Used

ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Eccentric Lagging Thermal Resistance - (Measured in Kelvin per Watt) - Eccentric Lagging Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.
Eccentric Lagging Thermal Conductivity - (Measured in Watt per Meter per K) - Eccentric Lagging Thermal Conductivity is expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.
Eccentric Lagging Length - (Measured in Meter) - Eccentric Lagging Length is the measurement or extent of something from end to end.
Radius 2 - (Measured in Meter) - Radius 2 is the radius of the second concentric circle or circle.
Radius 1 - (Measured in Meter) - Radius 1 is the distance from the center of the concentric circles to any point on the first/smallest concentric circle or the radius of the first circle.
Distance Between Centers of Eccentric Circles - (Measured in Meter) - Distance Between Centers of Eccentric Circles is the distance between the centres of two circles that are eccentric to each other.

STEP 1: Convert Input(s) to Base Unit

Eccentric Lagging Thermal Conductivity: 15 Watt per Meter per K --> 15 Watt per Meter per K No Conversion Required
Eccentric Lagging Length: 7 Meter --> 7 Meter No Conversion Required
Radius 2: 12.1 Meter --> 12.1 Meter No Conversion Required
Radius 1: 4 Meter --> 4 Meter No Conversion Required
Distance Between Centers of Eccentric Circles: 1.4 Meter --> 1.4 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

r_th = (1/(2*pi*k_e*L_e))*(ln((sqrt(((r₂+r₁)^2)-e^2)+sqrt(((r₂-r₁)^2)-e^2))/(sqrt(((r₂+r₁)^2)-e^2)-sqrt(((r₂-r₁)^2)-e^2)))) --> (1/(2*pi*15*7))*(ln((sqrt(((12.1+4)^2)-1.4^2)+sqrt(((12.1-4)^2)-1.4^2))/(sqrt(((12.1+4)^2)-1.4^2)-sqrt(((12.1-4)^2)-1.4^2))))

Evaluating ... ...

r_th = 0.00165481550104387

STEP 3: Convert Result to Output's Unit

0.00165481550104387 Kelvin per Watt --> No Conversion Required

FINAL ANSWER

0.00165481550104387 ≈ 0.001655 Kelvin per Watt <-- Eccentric Lagging Thermal Resistance

(Calculation completed in 00.004 seconds)

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Created by Sai Venkata Phanindra Chary Arendra

Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad

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< Other shapes Calculators

Heat flow rate through pipe with eccentric lagging

LaTeX Go Eccentric Lagging Heat Flow Rate = (Eccentric Lagging Inner Surface Temperature-Eccentric Lagging Outer Surface Temperature)/((1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)))))

Thermal resistance of pipe with eccentric lagging

LaTeX Go Eccentric Lagging Thermal Resistance = (1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))))

Heat flow through pipe in square section

LaTeX Go Heat Flow Rate = (Inner Surface Temperature-Outer Surface Temperature)/((1/(2*pi*Length))*((1/(Inside Convection*Cylinder Radius))+((Length/Thermal Conductivity)*ln((1.08*Side of Square)/(2*Cylinder Radius)))+(pi/(2*External Convection*Side of Square))))

Thermal Resistance for Pipe in Square Section

LaTeX Go Thermal Resistance = (1/(2*pi*Length))*((1/(Inside Convection*Cylinder Radius))+((Length/Thermal Conductivity)*ln((1.08*Side of Square)/(2*Cylinder Radius)))+(pi/(2*External Convection*Side of Square)))

Thermal resistance of pipe with eccentric lagging Formula

LaTeX Go

What are eccentric circles?

Eccentric circles are circles that lie one inside the other and do not share the same center and do not intersect each other.

How to Calculate Thermal resistance of pipe with eccentric lagging?

Thermal resistance of pipe with eccentric lagging calculator uses Eccentric Lagging Thermal Resistance = (1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)))) to calculate the Eccentric Lagging Thermal Resistance, The Thermal resistance of pipe with eccentric lagging formula is defined as the thermal resistance offered by a pipe with eccentric lagging. Eccentric Lagging Thermal Resistance is denoted by r_th symbol.

How to calculate Thermal resistance of pipe with eccentric lagging using this online calculator? To use this online calculator for Thermal resistance of pipe with eccentric lagging, enter Eccentric Lagging Thermal Conductivity (k_e), Eccentric Lagging Length (L_e), Radius 2 (r₂), Radius 1 (r₁) & Distance Between Centers of Eccentric Circles (e) and hit the calculate button. Here is how the Thermal resistance of pipe with eccentric lagging calculation can be explained with given input values -> 0.001655 = (1/(2*pi*15*7))*(ln((sqrt(((12.1+4)^2)-1.4^2)+sqrt(((12.1-4)^2)-1.4^2))/(sqrt(((12.1+4)^2)-1.4^2)-sqrt(((12.1-4)^2)-1.4^2)))).

FAQ

What is Thermal resistance of pipe with eccentric lagging?

The Thermal resistance of pipe with eccentric lagging formula is defined as the thermal resistance offered by a pipe with eccentric lagging and is represented as r_th = (1/(2*pi*k_e*L_e))*(ln((sqrt(((r₂+r₁)^2)-e^2)+sqrt(((r₂-r₁)^2)-e^2))/(sqrt(((r₂+r₁)^2)-e^2)-sqrt(((r₂-r₁)^2)-e^2)))) or Eccentric Lagging Thermal Resistance = (1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)))). Eccentric Lagging Thermal Conductivity is expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance, Eccentric Lagging Length is the measurement or extent of something from end to end, Radius 2 is the radius of the second concentric circle or circle, Radius 1 is the distance from the center of the concentric circles to any point on the first/smallest concentric circle or the radius of the first circle & Distance Between Centers of Eccentric Circles is the distance between the centres of two circles that are eccentric to each other.

How to calculate Thermal resistance of pipe with eccentric lagging?

The Thermal resistance of pipe with eccentric lagging formula is defined as the thermal resistance offered by a pipe with eccentric lagging is calculated using Eccentric Lagging Thermal Resistance = (1/(2*pi*Eccentric Lagging Thermal Conductivity*Eccentric Lagging Length))*(ln((sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)+sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2))/(sqrt(((Radius 2+Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)-sqrt(((Radius 2-Radius 1)^2)-Distance Between Centers of Eccentric Circles^2)))). To calculate Thermal resistance of pipe with eccentric lagging, you need Eccentric Lagging Thermal Conductivity (k_e), Eccentric Lagging Length (L_e), Radius 2 (r₂), Radius 1 (r₁) & Distance Between Centers of Eccentric Circles (e). With our tool, you need to enter the respective value for Eccentric Lagging Thermal Conductivity, Eccentric Lagging Length, Radius 2, Radius 1 & Distance Between Centers of Eccentric Circles 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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