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  1. #41
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    for rounds I meant the ones engine.
    munro spoke of the choke ? a dangerous group limit, occurs when can be seen in the point-section, the lower the speed? sound. When such are the conditions the flow to the avr? reached its maximum and I can not? pi? increase. Unfortunately for? there is not only this phenomenon, but also the surge, which occurs at low flow rates and ? represented by the left limit of a compressor map. Occurs when, because of the low flow rates, it has an unstable separation of the boundary layer which then leads to fluctuations of the fluid and ? well pi? dangerous of the choke, as it is extremely sharp and gives axial stresses are not negligible.

    The compressor map that are on the network, however, are all related to tc fixed geometry and function are very different with respect to the varying geometries. also the size of the impellers count for very little, just think of the pressure they manage to generate the turbines of the new generation, despite its size.

    It is therefore hybridize to the turbine? If this was going to be changed, but if the operation ? been made for a performance increase absolutely no.

    I currently am horsemanship a gt2256V derivation 2.4 jtd 150, and not the monterei if I could go back. as of now, monterei, or a gtb2056v or a gtb2260vk with considerable interest to the series gtc, of which for? they are ignorant.

    However, final fantasy x, to better exploit the new turbine, you should calculate the equivalent flow rate of the fluid (air +oil) that goes on your air intake, and with these data, try to estimate where you may find the compressor map (even if I repeat that it should be taken with the tongs). in this way, you'll see that at low revs you can dare much more? as the pressure at the top instead you will need to limit yourself to the onset of the choke.

  2. #42
    THE AVERAGE USER
    Date Of Registration
    Apr 2013
    Messages
    591
    In fact, performance over 3000-3500 rpm does not interest me, but I do not understand how to calculate air, the mass air flow sensor at the maximum flow rate I law 1150 mg/cycle, that pi? or less back co. The.quantity? request, is just a little less, but how do I ask the turbo certain air to the total pressure, and this I do not understand, and to make it do tot laps, also decreasing the map geometry of the turbo decreases speed? response, but giving the whole ga sa 3000 rpm to 1.6 bar gauge, there always comes even if it is from the map.c.? 1.4

  3. #43
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    take the mass air flow sensor and high diesel fuel, then transform all-pounds per second, and insert the table, do it for 1500 2000 2500 3000 3500 4000 4500poi dies in the compressor map, the more similar and designs over the points that you have come out of, merge them, and you'll see roughly where you are. To lower the peak works with the duty of variable geometry.

  4. #44
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    p.s. you the turbo have a certain pressure, the air which then manages to bring ? a consequence of it. what you read in the goal only serves the purpose of a consistency check and to adjust the egr.

  5. #45
    THE AVERAGE USER
    Date Of Registration
    Apr 2013
    Messages
    591
    Perfect the lighthouse, I have data for the cycle, of course, about 2000 rpm this value and multiply by 2000 and divide by 60 to get the data in a second, and then turned into a libre

  6. #46
    THE AVERAGE USER
    Date Of Registration
    Apr 2013
    Messages
    591
    Duty cycle you mean the first obla third map, or both?

  7. #47
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    if I remember correctly both, then every so try it. however, it matters that you have 4 cylinders and each one breaks out every 2 turns.

  8. #48
    THE AVERAGE USER
    Date Of Registration
    Apr 2013
    Messages
    591
    Gi? I have to share for the meta-spins true, the data on the x-axis of the diagram of the compressor and then says the libre air mixed with diesel?

  9. #49
    THE ACTIVE USER L'avatar di munro
    Date Of Registration
    Oct 2012
    The resort
    EARTH
    Messages
    1,207
    c'? already who the f? the work for you: http://www.not2fast*****/turbo/glossary/turbo_calc.shtml
    A rider does not create queues even in the car...
    a automoblista create queues even on a motorcycle...

  10. #50
    THE AVERAGE USER
    Date Of Registration
    Apr 2013
    Messages
    591
    seen, too complicated for me!!

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