Vehicle Dynamics and Energy Calculation
Explore the detailed calculations for vehicle load, aerodynamics, rolling resistance, gradient resistance, acceleration force, and tractive force in this comprehensive analysis. Understand the various components contributing to the overall power required for vehicle movement.
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Presentation Transcript
TATA EV PUNCH DATA TATA EV PUNCH DATA Specification Data Width=1.742; Height=1.633; Area=Width*Height; rho=1.2; % Air denisty @27 CV_K_W=1400;%vechile krab weight cd=0.24; % Drag_coefficient Kreb_weight=1400; P_W=350; %passenger Weight T_M=Kreb_weight+P_W; %total_mass g=9.81; %acceleration due to gravity mu=0.01; % rolling Resistance co-efficient rw=0.332; % tyre Radius
Aerodynamics Air Density=1.2 Coefficient of Drag=0.24 Area=2.844 Velocity=27.7778 Faero=0.5PCdAV Faero=0.5*1.2*0.24*2.844*27.7778 Faero=316
Rolling Resistance Total Mass=1750 Acceleration due to gravity=9.8 Rolling resistance=0.01 Gradient Angle=0.0872 Frr=mgcos (1+((v+3.6)/160)) 1750*9.8*cos(0.0872)*0.01(1+((27.7778+3.6)/160)) 204.352
Gradient Resistance Total Mass=1750 Acceleration due to gravity=9.8 Gradient Angle=0.0872 Frg=mgsin 1750*9.8*sin(0.0872) 1494.720
Acceleration Force Total Mass=1750 Acceleration due to gravity=9.8 F=ma 1750*9.8 4861.115
Tractive Force Tractive Force Ftt=Faero+Frr+Fgr+Fac 316+204.352+1494.720+4861.115 6876.188
Tyre Radius 195/60R16 Rim Diameter=16 Sectional Width=195 Loww Rolling Resitance=60 Height=ascept Ratio*sectionalwidth/100 60*195/100 H=117 Tyre Radius=RimRadius+sectional Height Rw=16*2.5/2+117 Rw=320.2 = 0.320
Power Aerodynamics, Rolling Resistance, Gradient Resistance, Average Acceleration Force
