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Aerodynamic Resistance Formula

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Aerodynamic Resistance of Vehicle is defined as the resistive force offered by the air particles when the vehicle is in higher speeds. Check FAQs

F′ a = 0.5 \cdot ρ \cdot A \cdot {V c}^{2} \cdot C D

F′_a - Aerodynamic Resistance of Vehicle?ρ - Density of Air?A - Frontal Area of Vehicle?V_c - Cruising Speed of Vehicle?C_D - Coefficient of Drag Exerted By Flow?

Aerodynamic Resistance Example

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Here is how the Aerodynamic Resistance equation looks like with Values.

Here is how the Aerodynamic Resistance equation looks like with Units.

Here is how the Aerodynamic Resistance equation looks like.

250.0119 = 0.5 \cdot 1.293 \cdot 1.7 \cdot 22^{2} \cdot 0.47

250.0119N = 0.5 \cdot 1.293kg/m³ \cdot 1.7m² \cdot {22m/s}^{2} \cdot 0.47

250.0119 = 0.5 \cdot 1.293 \cdot 1.7 \cdot 22^{2} \cdot 0.47

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Aerodynamic Resistance Solution

Follow our step by step solution on how to calculate Aerodynamic Resistance?

FIRST Step Consider the formula

F′ a = 0.5 \cdot ρ \cdot A \cdot {V c}^{2} \cdot C D

Next Step Substitute values of Variables

∴

F′ a = 0.5 \cdot 1.293kg/m³ \cdot 1.7m² \cdot {22m/s}^{2} \cdot 0.47

Next Step Prepare to Evaluate

∴

F′ a = 0.5 \cdot 1.293 \cdot 1.7 \cdot 22^{2} \cdot 0.47

Next Step Evaluate

∴

F′ a = 250.011894N

LAST Step Rounding Answer

∴

F′ a = 250.0119N

Aerodynamic Resistance Formula Elements

Variables

Aerodynamic Resistance of Vehicle

Aerodynamic Resistance of Vehicle is defined as the resistive force offered by the air particles when the vehicle is in higher speeds.

Symbol: F′_a

Measurement: ForceUnit: N

Note: Value can be positive or negative.

Formulas to find Aerodynamic Resistance of Vehicle

Density of Air

Density of Air is the mass per unit volume of an air .

Symbol: ρ

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Density of Air

Frontal Area of Vehicle

Frontal Area of Vehicle is defined as the area on the projection plane of the vehicle when viewed from front.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Frontal Area of Vehicle

Cruising Speed of Vehicle

Cruising Speed of Vehicle is the constant speed that the vehicle maintains when it is cruising.

Symbol: V_c

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Cruising Speed of Vehicle

Coefficient of Drag Exerted By Flow

Coefficient of Drag Exerted By Flow is the dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.

Symbol: C_D

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Coefficient of Drag Exerted By Flow

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How to Evaluate Aerodynamic Resistance?

Aerodynamic Resistance evaluator uses Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted By Flow to evaluate the Aerodynamic Resistance of Vehicle, The Aerodynamic resistance formula is defined as the resistive force offered by the air particles when the vehicle is in higher speeds. Aerodynamic Resistance of Vehicle is denoted by F′_a symbol.

How to evaluate Aerodynamic Resistance using this online evaluator? To use this online evaluator for Aerodynamic Resistance, enter Density of Air (ρ), Frontal Area of Vehicle (A), Cruising Speed of Vehicle (V_c) & Coefficient of Drag Exerted By Flow (C_D) and hit the calculate button.

FAQs on Aerodynamic Resistance

What is the formula to find Aerodynamic Resistance?

The formula of Aerodynamic Resistance is expressed as Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted By Flow. Here is an example- 250.0119 = 0.5*1.293*1.7*22^2*0.47.

How to calculate Aerodynamic Resistance?

With Density of Air (ρ), Frontal Area of Vehicle (A), Cruising Speed of Vehicle (V_c) & Coefficient of Drag Exerted By Flow (C_D) we can find Aerodynamic Resistance using the formula - Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted By Flow.

Can the Aerodynamic Resistance be negative?

Yes, the Aerodynamic Resistance, measured in Force can be negative.

Which unit is used to measure Aerodynamic Resistance?

Aerodynamic Resistance is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Aerodynamic Resistance can be measured.

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Aerodynamic Resistance Formula

Aerodynamic Resistance Example

Aerodynamic Resistance Solution

Aerodynamic Resistance Formula Elements

Other formulas in Driveline category

How to Evaluate Aerodynamic Resistance?

FAQs on Aerodynamic Resistance

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