Chapter 10 Engine working conditions and features Section 2 Adjustment feature 2.Adjustment Feature of Gasoline Engine 2.1 The ignition advance angle adjustment feature of gasoline engine When the gasoline engine throttle opening,speed and concentration of mixed gas are constant,the relationship of gasoline effective power Pe and fuel consumption rate ge with the changes of ignition advance angle 0 is known as the ignition advance angle adjustment feature. const opening=const P P (kw) 14.7 [g/(kW-h)] 11.8 408 272 206130 409 Figure 10.4 The ignition adjustment feature of gasoline engine 业机械与电子工程学度 Automobile and Tractor Northwest A&F UniversityAutomobile and Tractor Northwest A&F University Chapter 10 Engine working conditions and features 2. Adjustment Feature of Gasoline Engine 2.1 The ignition advance angle adjustment feature of gasoline engine When the gasoline engine throttle opening, speed and concentration of mixed gas are constant, the relationship of gasoline effective power Pe and fuel consumption rate ge with the changes of ignition advance angle θ is known as the ignition advance angle adjustmentfeature. Section 2 Adjustment feature