Duct Height Calculator

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Antenna Theory Parameters

Special Antennas

Wave Propagation

✖Maximum Duct Wavelength refers to the longest wavelength that can propagate within a waveguide or a duct with specific dimensions and boundary conditions.ⓘ Maximum Duct Wavelength [λ_max]

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✖Duct height is the height of an evaporation duct.ⓘ Duct Height [d]

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Formula

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Duct Height

Formula

`"d" = ("λ"_{"max"}/0.014)^(2/3)`

Example

`"9m"=("0.378m"/0.014)^(2/3)`

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Duct Height Solution

STEP 0: Pre-Calculation Summary

Formula Used

Duct Height = (Maximum Duct Wavelength/0.014)^(2/3)
d = (λ_max/0.014)^(2/3)
This formula uses 2 Variables

Variables Used

Duct Height - (Measured in Meter) - Duct height is the height of an evaporation duct.
Maximum Duct Wavelength - (Measured in Meter) - Maximum Duct Wavelength refers to the longest wavelength that can propagate within a waveguide or a duct with specific dimensions and boundary conditions.

STEP 1: Convert Input(s) to Base Unit

Maximum Duct Wavelength: 0.378 Meter --> 0.378 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d = (λ_max/0.014)^(2/3) --> (0.378/0.014)^(2/3)

Evaluating ... ...

d = 9

STEP 3: Convert Result to Output's Unit

9 Meter --> No Conversion Required

FINAL ANSWER

9 Meter <-- Duct Height

(Calculation completed in 00.006 seconds)

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Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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Birsa Institute of Technology (BIT), Sindri

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< 24 Antenna Theory Parameters Calculators

Distance between Transmitting and Receiving Point

Go Transmitter Receiver Distance = (Antenna Current*120*pi*Height of Transmitter*Height of Receiver)/(Strength of Ground Wave Propagation*Wavelength)

Height of Transmitting Antenna

Go Height of Transmitter = (Strength of Ground Wave Propagation*Wavelength*Transmitter Receiver Distance)/(120*pi*Antenna Current*Height of Receiver)

Height of Receiving Antenna

Go Height of Receiver = (Strength of Ground Wave Propagation*Wavelength*Transmitter Receiver Distance)/(120*pi*Height of Transmitter*Antenna Current)

Strength of Ground Wave

Go Strength of Ground Wave Propagation = (120*pi*Height of Transmitter*Height of Receiver*Antenna Current)/(Wavelength*Transmitter Receiver Distance)

Antenna Current

Go Antenna Current = (Strength of Ground Wave Propagation*Wavelength*Transmitter Receiver Distance)/(120*pi*Height of Transmitter*Height of Receiver)

Friis Formula

Go Power at Receiving Antenna = Transmitting Power*Gain of Receiving Antenna*Gain of Transmitting Antenna*Wavelength^2/(4*3.14*Transmitter Receiver Distance)^2

Power Density of Antenna

Go Power Density of Antenna = (Total Input Power*Antenna Gain)/(4*pi*Transmitter Receiver Distance)

Effective Area of Antenna

Go Effective Area Antenna = (Thermal Resistance*Incremental Temperature)/Power Density of Antenna

Noise Temperature of Antenna

Go Antenna Temperature = (Power Density of Antenna)/(Thermal Resistance*Bandwidth)

Total Power of Antenna

Go Total Power of Antenna = Thermal Resistance*Antenna Temperature*Bandwidth

Radiation Intensity

Go Radiation Intensity = Isotropic Radiation Intensity*Directivity of Antenna

Average Radiation Intensity

Go Average Radiation Intensity = Radiation Intensity/Directivity of Antenna

Directivity of Antenna

Go Directivity of Antenna = Radiation Intensity/Average Radiation Intensity

Power Per Unit Bandwidth

Go Power per Unit = Thermal Resistance*Resistor Absolute Temperature

Total Antenna Resistance

Go Total Antenna Resistance = Ohmic Resistance+Radiation Resistance

Radiation Resistance

Go Radiation Resistance = Total Antenna Resistance-Ohmic Resistance

Ohmic Resistance

Go Ohmic Resistance = Total Antenna Resistance-Radiation Resistance

Antenna Gain

Go Antenna Gain = Radiation Intensity/Isotropic Radiation Intensity

Length of Binomial Array

Go Length of Binomial Array = (No of Element-1)*Wavelength/2

Isotropic Radiation Intensity

Go Isotropic Radiation Intensity = Radiated Power/(4*pi)

Antenna Efficiency

Go Antenna Efficiency = Radiated Power/Total Input Power

Total Input Power

Go Total Input Power = Radiated Power/Antenna Efficiency

Duct Height

Go Duct Height = (Maximum Duct Wavelength/0.014)^(2/3)

Maximum Duct Wavelength

Go Maximum Duct Wavelength = 0.014*Duct Height^(3/2)

Duct Height Formula

Duct Height = (Maximum Duct Wavelength/0.014)^(2/3)
d = (λ_max/0.014)^(2/3)

What is Duct Propagation?

A radio wave propagation technique that allows the transmission of UHF and VHF electromagnetic waves through the region near the tropospheric layer of atmosphere is known as duct propagation.

How to Calculate Duct Height?

Duct Height calculator uses Duct Height = (Maximum Duct Wavelength/0.014)^(2/3) to calculate the Duct Height, The Duct Height formula is defined as the height of an evaporation duct refers to its top height, which is numerically equal to the thickness of the evaporation duct layer. Duct Height is denoted by d symbol.

How to calculate Duct Height using this online calculator? To use this online calculator for Duct Height, enter Maximum Duct Wavelength (λ_max) and hit the calculate button. Here is how the Duct Height calculation can be explained with given input values -> 9 = (0.378/0.014)^(2/3).

FAQ

What is Duct Height?

The Duct Height formula is defined as the height of an evaporation duct refers to its top height, which is numerically equal to the thickness of the evaporation duct layer and is represented as d = (λ_max/0.014)^(2/3) or Duct Height = (Maximum Duct Wavelength/0.014)^(2/3). Maximum Duct Wavelength refers to the longest wavelength that can propagate within a waveguide or a duct with specific dimensions and boundary conditions.

How to calculate Duct Height?

The Duct Height formula is defined as the height of an evaporation duct refers to its top height, which is numerically equal to the thickness of the evaporation duct layer is calculated using Duct Height = (Maximum Duct Wavelength/0.014)^(2/3). To calculate Duct Height, you need Maximum Duct Wavelength (λ_max). With our tool, you need to enter the respective value for Maximum Duct Wavelength 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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