Chapter 9 Operational Performance Section 1 Dynamic Property 2.The Driving Force and Driving Resistance of Automobiles 2.1 Driving Equations of Automobiles Using P to represent the driving force,Pto represent all kinds of driving resistance,then the balance equation is: P,=∑P 2 or Pa =Pr+Pw +P+P 20 2.2 Driving Force 2.3 Figure of Automobiles'Driving Force 2.4 Automobiles'Driving Resistance 40 6080 Va km/h Figure 9-1 Automobiles'driving force 械电子工程学度 《汽车拖拉机学》 Northwest A&F University 《汽车拖拉机学》 Northwest A&F University Chapter 9 Operational Performance 2. The Driving Force and Driving Resistance of Automobiles Pq = P Pq = Pf + PW + Pi + Pj 2.1 Driving Equations of Automobiles Using Pq to represent the driving force, ΣP to represent all kinds of driving resistance, then the balance equation is: or 2.2 Driving Force 2.3 Figure of Automobiles’ Driving Force 2.4 Automobiles’ Driving Resistance Figure 9-1 Automobiles’ driving force Section 1 Dynamic Property