Flow over Bicycle

clear all

close all

clc

%inputs

%drag coefficient

c_d = 0.8

%area m^2

A = 0.1

%Density kg/m^3

rho = 1.2

%velocity m/s

v = [1:30];

drag_force = rho*Av.^2*c_d*0.5;

%plotting

plot(v,drag_force,\'color\',\'r\')

xlabel(\'velocity\')

ylabel(\'drag_force\')

grid on

In this program the value of drag force is calculated with respect to different velocity values.

this graph explains how the drag force is changed respect to velocity.