Aerodynamic Resistance Calculator

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Driveline

Front Axle and Steering

Race Car Vehicle Dynamics

Suspension Geometry

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Driveline Angular Velocity

Driveline Torque

✖Density of Air taken at standard conditions.ⓘ Density of Air [ρ]			+10% -10%
✖Frontal Area of Vehicle is defined as the area on the projection plane of the vehicle when viewed from front.ⓘ Frontal Area of Vehicle [A]			+10% -10%
✖Cruising Speed of Vehicle is the constant speed that the vehicle maintains when it is cruising.ⓘ Cruising Speed of Vehicle [V_c]			+10% -10%
✖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.ⓘ Coefficient of Drag Exerted by Flow [C_D]			+10% -10%

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

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Formula

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Aerodynamic Resistance

Formula

`"F"_{"ar"} = 0.5*"ρ"*"A"*"V"_{"c"}^2*"C"_{"D"}`

Example

`"250.0119N"=0.5*"1.293kg/m³"*"1.7m²"*("22m/s")^2*"0.47"`

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Aerodynamic Resistance Solution

STEP 0: Pre-Calculation Summary

Formula Used

Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted by Flow
F_ar = 0.5*ρ*A*V_c^2*C_D
This formula uses 5 Variables

Variables Used

Aerodynamic Resistance of Vehicle - (Measured in Newton) - Aerodynamic Resistance of Vehicle is defined as the resistive force offered by the air particles when the vehicle is in higher speeds.
Density of Air - (Measured in Kilogram per Cubic Meter) - Density of Air taken at standard conditions.
Frontal Area of Vehicle - (Measured in Square Meter) - Frontal Area of Vehicle is defined as the area on the projection plane of the vehicle when viewed from front.
Cruising Speed of Vehicle - (Measured in Meter per Second) - Cruising Speed of Vehicle is the constant speed that the vehicle maintains when it is cruising.
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.

STEP 1: Convert Input(s) to Base Unit

Density of Air: 1.293 Kilogram per Cubic Meter --> 1.293 Kilogram per Cubic Meter No Conversion Required
Frontal Area of Vehicle: 1.7 Square Meter --> 1.7 Square Meter No Conversion Required
Cruising Speed of Vehicle: 22 Meter per Second --> 22 Meter per Second No Conversion Required
Coefficient of Drag Exerted by Flow: 0.47 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_ar = 0.5*ρ*A*V_c^2*C_D --> 0.5*1.293*1.7*22^2*0.47

Evaluating ... ...

F_ar = 250.011894

STEP 3: Convert Result to Output's Unit

250.011894 Newton --> No Conversion Required

FINAL ANSWER

250.011894 ≈ 250.0119 Newton <-- Aerodynamic Resistance of Vehicle

(Calculation completed in 00.004 seconds)

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Ramaiah University of Applied Sciences (RUAS), bangalore

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Axial Force of Multiplate Clutch using Uniform Wear Theory

Go Total Axial Load = pi*Pressure of Intensity*Inner Diameter of Friction Disc*(Outer Diameter of Friction Disc-Inner Diameter of Friction Disc)*0.5

Aerodynamic Resistance

Go Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted by Flow

Drawbar Pull

Go Drawbar Pull = (Torque Generated*Overall Gear Reduction*1000)/Rolling Radius of Loaded Driving Tire-Rolling Resistance at Wheel

Power Required to Propel Vehicle

Go Power required to Propel a Vehicle = (Total Resistance on Vehicle*Speed of Vehicle in Meter per Second)/Transmission Efficiency of Vehicle

Weight on Rear Axle

Go Weight on Rear Axle = (Total Weight being Distributed of Vehicle*CG Distance from Front Axle)/Wheelbase of Vehicle

Total Resistance on Vehicle

Go Total Resistance on Vehicle = Aerodynamic Resistance of Vehicle+Rolling Resistance at Wheel+Gradient Resistance

Effective Gear Ratio

Go Effective Gear Ratio = Old Tire Diameter/New Tire Diameter*Gear Ratio of Transmission

Weight on Front Axle

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Engine Torque

Go Engine Torque = (9.55*Power required to Propel a Vehicle)/Engine Speed in rpm

Gear Step

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Final Drive Ratio

Go Final Drive Ratio = Rear Gear Ratio*Overdrive Ratio

Aerodynamic Resistance 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
F_ar = 0.5*ρ*A*V_c^2*C_D

What is aerodynamic resistance?

Any object moving through a fluid experiences drag, the net force in the direction of flow due to pressure and shear stress forces on the surface of the vehicle frontal area is the aerodynamic resistance and is also called as drag force.

How to Calculate Aerodynamic Resistance?

Aerodynamic Resistance calculator 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 calculate 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_ar symbol.

How to calculate Aerodynamic Resistance using this online calculator? To use this online calculator 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. Here is how the Aerodynamic Resistance calculation can be explained with given input values -> 250.0119 = 0.5*1.293*1.7*22^2*0.47.

FAQ

What is Aerodynamic Resistance?

The Aerodynamic resistance formula is defined as the resistive force offered by the air particles when the vehicle is in higher speeds and is represented as F_ar = 0.5*ρ*A*V_c^2*C_D or Aerodynamic Resistance of Vehicle = 0.5*Density of Air*Frontal Area of Vehicle*Cruising Speed of Vehicle^2*Coefficient of Drag Exerted by Flow. Density of Air taken at standard conditions, Frontal Area of Vehicle is defined as the area on the projection plane of the vehicle when viewed from front, Cruising Speed of Vehicle is the constant speed that the vehicle maintains when it is cruising & 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.

How to calculate Aerodynamic Resistance?

The Aerodynamic resistance formula is defined as the resistive force offered by the air particles when the vehicle is in higher speeds is calculated using 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 calculate Aerodynamic Resistance, you need Density of Air (ρ), Frontal Area of Vehicle (A), Cruising Speed of Vehicle (V_c) & Coefficient of Drag Exerted by Flow (C_D). With our tool, you need to enter the respective value for Density of Air, Frontal Area of Vehicle, Cruising Speed of Vehicle & Coefficient of Drag Exerted by Flow 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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