im literally too dumb to understand this text

[_MVP_]

An indirect diesel injection system (IDI) engine delivers fuel into a small chamber called a swirl chamber, precombustion chamber, pre chamber or ante-chamber, which is connected to the cylinder by a narrow air passage. Generally the goal of the pre chamber is to create increased turbulence for better air / fuel mixing. This system also allows for a smoother, quieter running engine, and because fuel mixing is assisted by turbulence, injector pressures can be lower. Most IDI systems use a single orifice injector. The pre-chamber has the disadvantage of lowering efficiency due to increased heat loss to the engine's cooling system, restricting the combustion burn, thus reducing the efficiency by 5–10%. IDI engines are also more difficult to start and usually require the use of glow plugs. IDI engines may be cheaper to build but generally require a higher compression ratio than the DI counterpart. IDI also makes it easier to produce smooth, quieter running engines with a simple mechanical injection system since exact injection timing is not as critical. Most modern automotive engines are DI which have the benefits of greater efficiency and easier starting; however, IDI engines can still be found in the many ATV and small diesel applications.[176] Indirect injected diesel engines use pintle-type fuel injectors.

 

[MoggerGaston]

brainmaxxing

 

[Wallenberg]

What's the hard part, OP?

 

[Deleted member 18244]

Nobody understands the shit, you just use it.

 

[slayer69]

I understand this I will explain

Imagine a tap

In some taps there is smooth crystal-like flow of water (laminar flow)

And in some taps there is that “spray of water” with foam all around. (Turbulent flow)

Why that foam is created is due to Reynold’s number.
When the reynold’s number is low (less than 1000), water flows in a laminar Way, while when the reynold’s number is more than 2000 (at least for water I believe) it has a turbulent flow.

Basically reynold’s number formula is
(Fluid density*fluid velocity*diameter of pipe)/fluid Dynamic viscosity.

Now u first pour diesel into the small pre chamber and then have a connecting pipe extremely small into the actual main tank

This small pipe creates a massive pressure difference and also itself acts as a way to increase the Reynolds number.

As a result the fuel is more smoother in the engine.
And as they’ve mentioned the disadvantage is waste of 5% volume with air, hence reducing the full efficacy of the fuel