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How a turbocharger works! (Animation)
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How a turbocharger works! (Animation)

What is a Turbocharger and How Does It Work?

Introduction to Turbochargers

  • Alfrid Buki, an engineer from Switzerland, is recognized as the inventor of the turbocharger. The primary function of a turbocharger is to utilize exhaust gases produced by the engine.
  • Turbochargers are commonly found in small airplanes and light aircraft, addressing issues related to low air pressure at higher altitudes.

Functionality of Diesel Engines

  • In standard four-stroke diesel engines, air enters the cylinder through atmospheric pressure, classifying them as naturally aspirated engines.
  • At high RPMs (e.g., on highways), these engines struggle with efficiency due to insufficient air intake; this is where turbochargers become essential.

Components of a Turbocharger

  • A typical turbocharger consists of a shaft with a turbine wheel on one end and a compressor wheel on the other. Both components are housed together.
  • Exhaust gases enter the turbine housing via an inlet port, converting thermal energy into kinetic energy that drives the turbine.

Operation Mechanism

  • As the turbine spins due to kinetic energy, it drives the connected compressor wheel which draws in and compresses air before sending it to the engine.
  • Turbocharged engines require additional components like intercoolers since compressed air heats up; intercoolers cool this air for better oxygen delivery to enhance engine efficiency.
Video description

http://www.bring-knowledge-to-the-world.com/ This animation explains the working principle of turbocharged Diesel engines and turbos in general. Contents 1) Alfred Büchi and its invention 2) Aircraft, cars and boats with turbochargers 3) 4-stroke Diesel engine as "naturally aspirated engine" 4) Engines at low and high RPM 5) Basic components (turbine wheel, compressor wheel, shaft) 6) Converting thermal energy into kinetic energy 7) Turbo within context (Diesel engine) 8) Other components (intercooler, wastegate)