Ignition System Components Flashcards
(17 cards)
Define RECIPROCATING ENGINES.
Reciprocating Engines operate in the basic principle of converting chemical energy (Fuel) into mechanical energy.
Where in the engine does the chemical energy (Fuel) convert into mechanical energy?
Chemical energy converts into mechanical energy in the cylinders of the engine.
What is the name of the process where chemical energy converts into mechanical energy?
Combustion Process.
How many reciprocating engine designs are there?
There are two reciprocating engine designs.
What is the name of each reciprocating engine designs?
Spark Ignition Engine Design
Compression Ignition Engine Design
Describe what are the similarities between spark and compression ignition engine designs
Both have cylinder combustion chambers
Both have pistons that travel the length of the cylinder to covert linear motion into rotary motion.
Describe the main difference between the spark ignition and compression ignition engine designs.
The main difference is: The process of igniting the fuel.
What does the spark ignition engine design use to spark the fuel?
The spark ignition engine design uses a spark plug to ignite the PRE-MIXED fuel and air mixture.
What does the compression ignition engine design use to ignite the fuel?
The compression ignition engine design uses air in the cylinder, raises the temperature to the necessary degrees to igniter the fuel when it is integrated.
What is a horizontal opposed engine?
Always has an even number of cylinder aligned horizontally of the propeller.
How are the horizontal opposed engines cooled?
Air.
What is the weight to power ratio of the horizontally opposed engine?
Have a higher power to weight ratio.
What is the most common ignition type of engine?
The four stroke ignition.
What are the four-stroke components of a spark ignition engine?
- Intake Stoke
- Compression Stroke
- Power Stroke
- Exhaust Stroke
Describe the INTAKE STROKE…
The piston moves downward in the cylinder,
opening the intake valve,
fuel air mixture gets pushed through the intake valve
Filling up the top portion of the cylinder
Describe the COMPRESSION STROKE…
Begins when the intake valve closes,
and the piston moves back up the shaft
Describe the POWER STROKE…
Begins when the fuel mixture is ignited
And the piston is moved/pushed back down
Power turns the crankshaft
