FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Inlet Impedance Formula

Fx Copy

LaTeX Copy

Inlet Impedance is measure of opposition to airflow at an inlet, influences performance and efficiency of fluid systems. Check FAQs

Z = K en + K ex + (f \cdot \frac{L}{4 \cdot r H})

Z - Inlet Impedance?K_en - Entrance Energy Loss Coefficient?K_ex - Exit Energy Loss Coefficient?f - Dimensionless Parameter?L - Inlet Length?r_H - Hydraulic Radius?

Inlet Impedance Example

With values

With units

Only example

Here is how the Inlet Impedance equation looks like with Values.

Here is how the Inlet Impedance equation looks like with Units.

Here is how the Inlet Impedance equation looks like.

2.2464 = 1.01 + 0.1 + (0.03 \cdot \frac{50}{4 \cdot 0.33})

2.2464 = 1.01 + 0.1 + (0.03 \cdot \frac{50m}{4 \cdot 0.33m})

2.2464 = 1.01 + 0.1 + (0.03 \cdot \frac{50}{4 \cdot 0.33})

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Civil » Category

Coastal and Ocean Engineering » fx Inlet Impedance

Inlet Impedance Solution

Follow our step by step solution on how to calculate Inlet Impedance?

FIRST Step Consider the formula

Z = K en + K ex + (f \cdot \frac{L}{4 \cdot r H})

Next Step Substitute values of Variables

∴

Z = 1.01 + 0.1 + (0.03 \cdot \frac{50m}{4 \cdot 0.33m})

Next Step Prepare to Evaluate

∴

Z = 1.01 + 0.1 + (0.03 \cdot \frac{50}{4 \cdot 0.33})

Next Step Evaluate

∴

Z = 2.24636363636364

LAST Step Rounding Answer

∴

Z = 2.2464

Inlet Impedance Formula Elements

Variables

Inlet Impedance

Inlet Impedance is measure of opposition to airflow at an inlet, influences performance and efficiency of fluid systems.

Symbol: Z

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Inlet Impedance

Entrance Energy Loss Coefficient

Entrance Energy Loss Coefficient [dimensionless] The loss coefficient (ζ) is a dimensionless number (characteristic coefficient) to calculate the head loss.

Symbol: K_en

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Entrance Energy Loss Coefficient

Exit Energy Loss Coefficient

Exit Energy Loss Coefficient [dimensionless] is a dimensionless number (characteristic coefficient) to calculate the head loss.

Symbol: K_ex

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Exit Energy Loss Coefficient

Dimensionless Parameter

Dimensionless Parameter is a numerical value without units used to express ratios, similarities, or relationships between physical quantities.

Symbol: f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Dimensionless Parameter

Inlet Length

Inlet Length is the length of a narrow water passage between peninsulas or through a barrier island leading to a bay or lagoon.

Symbol: L

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Inlet Length

Hydraulic Radius

Hydraulic Radius is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit.

Symbol: r_H

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Hydraulic Radius

Other formulas in Inlet Currents and Tidal Elevations category

Go Average Velocity in Channel for Flow through Inlet into Bay

V avg = \frac{A b \cdot d Bay}{A avg}

Go Average Area over Channel Length for Flow through Inlet into Bay

A avg = \frac{A b \cdot d Bay}{V avg}

Go Surface Area of Bay for Flow through Inlet into Bay

A b = \frac{V avg \cdot A avg}{d Bay}

Go Change of Bay Elevation with Time for Flow through Inlet into Bay

d Bay = \frac{A avg \cdot V avg}{A b}

How to Evaluate Inlet Impedance?

Inlet Impedance evaluator uses Inlet Impedance = Entrance Energy Loss Coefficient+Exit Energy Loss Coefficient+(Dimensionless Parameter*Inlet Length/(4*Hydraulic Radius)) to evaluate the Inlet Impedance, The Inlet Impedance against the ratio of inlet length to the 4/3 power of hydraulic radius for four ratios of minimum cross-section inlet width to hydraulic radius. Inlet Impedance is denoted by Z symbol.

How to evaluate Inlet Impedance using this online evaluator? To use this online evaluator for Inlet Impedance, enter Entrance Energy Loss Coefficient (K_en), Exit Energy Loss Coefficient (K_ex), Dimensionless Parameter (f), Inlet Length (L) & Hydraulic Radius (r_H) and hit the calculate button.

FAQs on Inlet Impedance

What is the formula to find Inlet Impedance?

The formula of Inlet Impedance is expressed as Inlet Impedance = Entrance Energy Loss Coefficient+Exit Energy Loss Coefficient+(Dimensionless Parameter*Inlet Length/(4*Hydraulic Radius)). Here is an example- 2.246364 = 1.01+0.1+(0.03*50/(4*0.33)).

How to calculate Inlet Impedance?

With Entrance Energy Loss Coefficient (K_en), Exit Energy Loss Coefficient (K_ex), Dimensionless Parameter (f), Inlet Length (L) & Hydraulic Radius (r_H) we can find Inlet Impedance using the formula - Inlet Impedance = Entrance Energy Loss Coefficient+Exit Energy Loss Coefficient+(Dimensionless Parameter*Inlet Length/(4*Hydraulic Radius)).

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Inlet Impedance Formula

Inlet Impedance Example

Inlet Impedance Solution

Inlet Impedance Formula Elements

Other formulas in Inlet Currents and Tidal Elevations category

How to Evaluate Inlet Impedance?

FAQs on Inlet Impedance

Variable Name