Econology forum in englishNew 4 stroke engine (en anglais)

Topics about this forum and the econology in english speaking language for people who are not not understanding french language.
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Message non lupar inventor » 05/03/11, 10:56

Good old poped and see what they are having a ...
And with the precision control valve, you can only dream.:tsk



http://www.youtube.com/watch?v=_REQ1PUM0rY&feature=related

Every cent given to the development of the "old" technology is turer wasted ...

Andrew :D
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Message non lupar Remundo » 05/03/11, 11:38

Hi Inventor, and a lot of thanks for this nice video.

Il is well known that poppet valves and springs meet serious problems at high RPM due to vibrations and rotary motions.

For my side I think that we have to get a continuous rotary motion AND rotary valve like I proposed in the SAERE concept. And NOT alternate sliding motion and uncontrolled rotary pertubations with the poppet.

And by this way, the complex variable valve timing (VVT) devices and mathematical laws will benefit from a precise final mechanism... Moreover with SAERE is the VVT mechanism directly integrated on each Valve.

Still it is not the case with poppet valve at high RPM. You are right : at high RPM, VVT can make us just only dream.

Regards.
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Message non lupar inventor » 30/03/11, 17:04

The wind energy. Harrier is driven by the wind, the helicopter also...In order to receive a flow venturi nozzle which is in the engine Harier ( 200 KG / sec ), then you need only 6 meters in diameter and 25 length.... and 5 m / sec wind...


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With the movement of 200 Kg / sec Harrier has a string of 10 000 KG....




Another way to go. The narrowest point is less Venturiego nozzle pressure. It's like found in the center of the lowlands of atmospheric ( weather ). This causes larger than hurricanes weather.
Except that here we have a much shorter way from the boom to the lowlands....
Huricane flows from areas of high pressure to areas of low pressure.


QUOTE (Greg Locock @ Mar 29 2011, 21:25)
Step back from the equations, and think about what would happen if you put a disc with a hole in it up to the airflow. Now stretch the disc out along the axis of the hole. All the air in the disc bit will be still 'see' disc ahead of them, not the hole you'd like them to go for. A big wodge of stagnated air will build up ahead of the venturi. For the equations just use continuity and Bernouilli, for the lossless case./QUOTE


In this reasoning, the disc does not have thickness. The reasoning for the classic windmill, to which all are used: flat disk, with virtually no thickness. Therefore, the classic windmill has a low efficiency, because this disc is not dispensed air mass and its speed is only such as wind.
The venturi nozzle are two cones and a not insignificant thickness of 25 meters. And now this whole mass of air that is housed in a venturi nozzle is involved in the flow through it. It should be noted that the cones are of unequal length. Cone output is 30 % longer than the input... why? Well, because this is the output cone of doing it at low pressure in the narrowest point.
With reduction in pressure, is involved the whole mass of air in which the output is a cone, that is, the average disk X 16m. Cone can not be shorter because they do not provide laminar flow, which is a prerequisite for good work Venturi nozzle. With disorders of movement ( for a short cone ) in action will take part, only a small mass of air, to lower pressure. The condition is llaminar flow, because the cone has to be quite so long. For that produces a significant vacuum in the narrowest point, causing fresh air to the input cone...

Andrew :D
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Message non lupar inventor » 31/03/11, 22:33

However, few venturi nozzle in the world already taken:

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Regards Andrew :D
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Message non lupar inventor » 03/04/11, 20:33

If you need a really high torque without gear:


Image

Regards Andrew :D
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Message non lupar inventor » 04/04/11, 10:14

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Message non lupar inventor » 05/04/11, 17:53

Vinturi Wine Pourer

If they move to the Thames or Potomac River this venturi nozzle:

D=1 meter, L = 5 meter V min 0,6 m/sec V max 6 m/sec , Flow 500 kg/sec .....

A little electric power can be done...

The same goes for the sea tidal and sea currents.

Regards Andrew :D
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Message non lupar inventor » 09/04/11, 03:59

Animation showing how using venturi nozzle drives the gyroscope to the flight instruments. Historically, the aircraft was not an electric current...
But now, if we do the jets in the right size, we thus also powered electric generator...


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Even used a double Venturi nozzle, in order to increase the vacuum to best drive "turbine"


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Regards Andrew :cheesy:
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Message non lupar inventor » 10/04/11, 10:58

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