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How Spark Plugs Work (Animation)

Want to continue learning about engineering with videos like this one? Then visit: https://courses.savree.com/   Want to teach/instruct with the 3D models shown in this video? Then visit: https://savree.com/en   ****************************************************************** This 3D animated video shows how a spark plug works. We look at the main components of a spark plug, how the spark plug functions, explain the concept of spark plug reach and finally discuss the heat range (hot & cold) of spark plugs. Like this video? Then check out our other videos! 🚢 Marine Diesel Two Stroke Engine - How it Works! -    • Marine Diesel Two Stroke Engine - How...   🚢 Ship Parts and Terminology Explained! -    • Ship Parts and Terminology Explained!...   ⚙️How Deaerators Work! -    • How Deaerators Work (Engineering)   ⚙️How Shell and Tube Heat Exchangers Work! -    • How Shell and Tube Heat Exchangers Wo...   ⚙️How Power Grids Work! -    • The Electrical Grid and Electricity S...   ⚙️How Watertube Boilers Work! -    • The Electrical Grid and Electricity S...   ⚙️How Dams Work (Hydro Dams)! -    • How Dams Work (Hydro Dams)   💡Control Valve Types (Gate Valve, Globe Valve etc.)! -    • How Shell and Tube Heat Exchangers Wo...   💡Transformer Parts and Functions! -    • Transformer Parts and Functions   💡Plate Heat Exchangers Explained! -    • Видео   📚Want to learn more about engineering? Then join saVRee to access over 45 hours of engineering video courses! New courses every month! https://courses.savree.com/ Hope to see you on a course soon! 👋 🏫Want to use the 3D model in this video to present, instruct, or teach? Simply join saVRee! We have over 400 engineering models that will make your life a lot easier! https://savree.com/ 📱Check out our socials! https://linktr.ee/savree 📖You can learn more about engineering in our technical encyclopedia: https://savree.com/en/encyclopedia ▶️Introduction Spark plugs are used for gasoline/petrol fired engines. The spark plug is mounted within the engine cylinder head and is used to start the initial ignition of the fuel and thus start the power stroke for the associated cylinder. Components The spark plug consists of a central electrode, ground electrode, porcelain insulator, hex nut, resistor and terminal. Operation High voltage (20-40,000 Volts) is connected to the terminal at the top of the spark plug. Electrical current flows through the central electrode and through a resistor. The central electrode is not connected to the ground electrode directly, but is separated form the electrode by a short gap; this gap is referred to as the electrode gap. The high voltage present in the central electrode tip causes the gasses between the central electrode and ground electrode to ionise, this effectively means that the gasses become conductors and the electrons can ‘jump’ the gap between the central electrode and ground electrode. The resultant spark carries enough energy and heat to cause the fuel within the combustion space to ignite. Ignition of the fuel forms the start of the power stroke. Image References By Riccardo Nicola [Public domain], from Wikimedia Commons By Allumage_batterie.svg: Frédéric MICHELderivative work: PiRK (Allumage_batterie.svg) [CC BY-SA 3.0 (https://creativecommons.org/licenses/...) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons By User Sonett72 on en.wikipedia (Scanned and uploaded by MH) [Copyrighted free use], via Wikimedia Commons By A7N8X [CC BY-SA 3.0 (https://creativecommons.org/licenses/...)], from Wikimedia Commons By [2] ([1]) [CC BY 2.0 (https://creativecommons.org/licenses/...)], via Wikimedia Commons By User:Emmanuel.boutet (File:Dilatation-spark plug-bougie allumage-fr.svg) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC BY-SA 3.0 (https://creativecommons.org/licenses/...) or CC BY-SA 2.5 (https://creativecommons.org/licenses/...)], via Wikimedia Commons #saVRee #Automotive #IndustrialEngineering