i have never seen one on any scooter
The air intake system, carbourator or fuel injection system, combustion chamber, ignition source (spark or compression), and exhaust port or valve. This is very broad you could find much more by specifics looking into 4 stoke gasoline engines, 2 stroke gasoline engines, 4 stroke Diesel engines, and 2 stroke Diesel engines.
They dont, diesel engines are generally more reliable than gas engines, and alot simpler due to the fact that the entire ignition system found in gas-powered engines is deleted entirely from the diesel equation. (Diesel engines don't have spark plugs, they rely on compression to ignite the fuel, meaning: they sqeeze the diesel fuel so much that it explodes)
You cannot do this. Just ask GM; they tried the same thing in the 1970s with disastrous results.Since Diesel engines use compression ignition an engine block and heads must be built specifically built to withstand far higher compression ratios than gas engines.Compression ignition engines such as Diesels also need no ignition system since the oil that is atomized and inducted into the combustion chamber explodes spontaneously due to the high temperature of air compression.
The engines.
Two main differences: The fuel intake system is different and the firing mechanism is different. First, Petrol engines fire using spark plugs instead of heat and compression, and they might not get the diesel fuel to ignite fully if the compression is too low. Second, Diesel fuel has different viscosity, different volatility, different cleanliness standards, and different air/fuel ratios, so the fuel injection system has to have different design features.
A retarded is either an engine compression brake, and exhaust compression brake, or a system which combines the two.
the Boeing 777 has a twin engine system (2 engines).
cause its a gas
engine click engines do the clicking noise because it has good compression its just youre valves returning to there original positions and the oil falling back in the oil pan. Probably the exhaust system cooling down.
Heat pumps use compression pumps and condensers to cool air.
If work is done on a system as compression work and no heat interaction is allowedbetween the system and the surroundings, then you have an adiabatic compression.
For vapor compression: beta= Qdot / Ẇ =(h1-h4)/(h2-h1)