How does a diesel engine work?

A Diesel Engine works through a series of precise steps that convert the chemical energy stored in diesel fuel into mechanical energy. Here's a detailed breakdown of how a diesel engine works:1. Intake StrokeProcess: The piston starts at the top of the cylinder (top dead center, TDC) and moves downward as the crankshaft rotates. This creates a vacuum inside the cylinder, allowing air to be drawn in through the intake valve.Key Point: Only air is during this stroke, unlike gasoline engines that mix air with fuel.2. Compression StrokeProcess: As the piston moves back up towards TDC, it compresses the air trapped inside the cylinder. This compression raises the air's temperature and pressure significantly.Key Figures: Diesel engines typically have a high compression ratio, ranging from 16:1 to 22:1. This results in air pressures reaching 3.5-4.5 MPa and temperatures up to 750-1000K.Importance: The high temperature and pressure created during compression are crucial for igniting th...