Converting a car engine for stationary use

Tips, advice and tips to lower your consumption, processes or inventions as unconventional engines: the Stirling engine, for example. Patents improving combustion: water injection plasma treatment, ionization of the fuel or oxidizer.
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Macro
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by Macro » 24/10/13, 17:58

Except noise ... Living next to a generator 24 / 24 is an unnamed calvary ... even hyper-soundproof ... The noise and vibrations are anxiety
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by dede2002 » 24/10/13, 21:33

Hello :D

When I said "easily", it's because it's easier to mix a gas than a liquid with air.

In principle, it suffices to have a pressure regulator at atmospheric pressure, and to send the gas into the diffuser.

I do not know how much electronics has gotten into the dosing management.
There are 20 years ago I had the opportunity to build a generator with an old toyota, in an isolated farm to pump into a borehole.

At first, I tried with butane, then it worked with propane bottles (for 10 years, 1'000'000 miles on holds :P ).

it emptied a bottle of 11 kg into 2h30, pumping about 22 m3 / h to 90m. (90 m level pump, the water level higher but sometimes the water dried up before the bottle ...)

Otherwise, to increase the volumetric ratio just recover a diesel block ...

We install a candle instead of the injector, in Switzerland buses are converted to gas like that, they adjust the volumetric ratio by adding gaskets.

The maximum operating pressure (I mean functioning, no compression, the detonation comes after ignition) of an otto engine (precise air / fuel mixture) is limited by the octane number.

But do not exceed 2000 ° otherwise it pollutes by oxidizing the nitrogen of the air!

What is the octane equivalent of gases?

Alcohol, for example, has a better octane rating than gasoline, but an engine designed for alcohol will not work on gasoline. (unless we reduce its power)

- What is the difference between sucking up a lot of air and repressing it, or simply holding back the air, to have the same amount of mixture
:?:

The engine - boiler, I thought about it : Mrgreen:

At idle, the efficiency is zero, and the power consumed is several kW (1 l./hour?).
At idle the noise is relatively low (not like a diesel in charge), but it must be sealed with oil and gas, in a house it can quickly be a concern ...)

A+
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by dede2002 » 24/10/13, 21:48

If the engine - gas boiler is idling by driving a heat pump, what is it like COP? :?:
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by chatelot16 » 24/10/13, 22:03

with both a heat engine and a heat pump you can go far beyond the 100%

for example heat engine 75% in heat and 25% in mechanics

mechanically driven heat pump from 5 and the 25% of mechanical energy become 25 x 5 = 125%

total 75% + 125% = 200%

he is very stupid to burn simply in a boiler! ... one day it will look as archaic as burning in an open fireplace
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by dede2002 » 24/10/13, 22:19

Here is the toyota, the heat was recovered by the cat : Lol:

Image

Image

Image
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by dede2002 » 24/10/13, 22:25

chatelot16 wrote:with both a heat engine and a heat pump you can go far beyond the 100%

for example heat engine 75% in heat and 25% in mechanics

mechanically driven heat pump from 5 and the 25% of mechanical energy become 25 x 5 = 125%

total 75% + 125% = 200%

he is very stupid to burn simply in a boiler! ... one day it will look as archaic as burning in an open fireplace


yes, but the returns are multiplying, adding them is cheating ...

There is an error somewhere because in principle a return of more than 100% is the perpetual motion!
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by chatelot16 » 24/10/13, 22:40

there is no mistake

5 COP of a good heat pump is not a perpetual motion ... it is simply that 1kw mechanical 4kw thermal pump has cold source, to make 5kW of heat

the efficiency is multiplied when the energy is converted successively by several machines, but the 75% of heat made by the engine are well to be added with the heat pumped by the 25% mechanical power
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by dede2002 » 24/10/13, 22:54

The COP is not really a return, energy is withdrawn from the environment.

These are commercial arguments, so it is clear that the efficiency of a gas-fired heat pump will be 2 or 3 times better than that of a heat pump driven by an electric motor powered by a thermal power plant. ...!

Even in pure thermal gas boilers show a yield of 110% ...

The error is at the base, the scientists "just forgot" by calculating the calorific value that the hydrocarbons produced of the water vapor while burning ...

How many more are we going to find, "errors" like that?
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by Flytox » 24/10/13, 23:01

Idea for the muffler I imagine that we can pass the gas through the water, even the entire exhaust line, allowing it to dive so that the water does not enter obviously, as a tube that comes from the top and dives in, the gases just waiting to go out and rise to the surface, heating the liquid?


Pass the gas in the water, it is a counter pressure for the engine. To monitor, that the engine accommodates / perf / conso and without overheating for example. The water eventually acidify / get dirty, so corrosion and obstructions to monitor if it is a closed circuit.

If the exhaust tube passes through the water, condensation and acidification will occur in it. In ordinary steel, corrosion will overcome it relatively quickly. In stainless steel it works pretty well, it's something that is found on some boats.

There is also the solution, which is also found on boats, a "small" pump balances the water directly into the exhaust with one or more jets (a little after the collector). Stainless steel is also needed : Mrgreen: This has a good performance and can make a good quiet in a relatively small volume. In closed circuit always the same problem of acidification of the water and obstruction of the jets. : Mrgreen:
Also monitor the level of water that can increase.
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by dede2002 » 24/10/13, 23:12

The idea was to reuse material for the grinder, gray energy inside.

Motors with lambda probe that release 0% CO e 0 ppm of HC we throw!

In the calculation of the COP of a heat pump, what influence would the gray energy?
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