Glossary entry

French term or phrase:

déclenchement/enclenchement

English translation:

triggering/release

Added to glossary by French2English
May 16, 2006 16:34
18 yrs ago
16 viewers *
French term

déclenchement/enclenchement

French to English Tech/Engineering Engineering (general) hysteresis - air diffusers
déclenchement/enclenchement

I think, but am not sure, that this is talking about 'triggers' and 'interlocks'?

I am translating text on a graph. It's difficult to explain it properly without being able to illustrate it, but basically it shows the following information:

Courbe du débit insufflé (i.e. the inflow of air)

this curve goes through a horizontal line marked 'déclenchement' and then through another horizontal line marked 'enclenchement' - between which the 'zone' is marked 'HYSTERESIS'. Above this, it has 'arret' and 'marche' for 'Machine 1 and above that the same for Machine 2.

I have some understanding of what hysteresis is, but it is the terminology here that I am stuck on. The machines are air diffusers used to aerate tanksin in a wastewater treatment plant.
Proposed translations (English)
3 triggering/release

Discussion

French2English (asker) May 17, 2006:
Dusty, ...this is great, thanks. And a big help in preparing me for any questions that may arise on a translation where I have had to 'read between the lines' on practically every page. Not quite sure what I would do without you and Bourth...am extremely grateful to you both and bow before your considerable technical knowledge..
French2English (asker) May 17, 2006:
Hi Bourth, ...I agree with you - it is all a bit vague - and the problem is that it is merely a slide - and the surrounding slides don't exactly explain it either. With the help of Dusty's answer below, I have translated the small amount of text on the graph, with a note to the client along the lines of the questions that you ask - as I really was given insufficient background information about the whole set-up - and further info was unforthcoming. There - a compromise. Thanks for your input.
Bourth (X) May 16, 2006:
.. esis refers to a time lag effect in the bubble diffusion system rather than to the machines. All very vague.
Bourth (X) May 16, 2006:
Do the machines generate the air flow? (in which case what makes it flow before the first one is turned on?) Is the air flow curve a "real" curve or a "target" curve, indicating when the machines should (be) turn(ed) on? Am wondering if "hysterisis" refer

Proposed translations

36 mins
Selected

triggering/release

This should be talking about the point at which something 'turns on', and then as the [whatever] drops back again, it will 'turn off' again --- the hysteresis is the amount by which it must go fruther down than it went up in order to make it turn off again; e.g. a thermostat, which might turn ON a heater at 20°C, but not turn it off again until the room had reached 22°C --- i.e. a hysteresis of 2°C

The exact terms to be used will depend on precisely WHAT is being 'triggered', and how this action takes place; however, the very use of 'déclencher' suggests it is some kind of 'triggering', and one of the opposites of this (in an electrical/onic context could certainly be 'release' (trigger/release thresholds, etc. etc.)

Plus, since you have start/stop for Machines 1 and 2, that does kind of suggest an on/off situation.

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Note added at 16 hrs (2006-05-17 08:57:13 GMT)
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I imagine that as the airflow drops, first Machine 1 turns on, and then, if the airflow continues to drop, Machine 2 is brought into service; once the airflow has risen again, they will drop out again when no longer needed.
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Great answer - and yes, as Bourth suggested, more context was needed, really - which I indicated with a note. But I feel that Dusty's answer was very likely to be right - or at the very least, extremely close to the mark. "
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