English translation: spatial (space) charges of static electricity
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French to English translations [PRO] Tech/Engineering - Engineering (general) / static electricity
French term or phrase:charges spatiales d’électricité statique
I want to translate this as 'static electricity space charge' but such a term does not get many googles. I understand the concept of space charges, but wonder if there is another term that would be used here.
This is taken from a document about the cleaning of tanks used for the storage of crude oil and oil products by means of 'dégazage'.
Par suite des dangers cumulés de l’électricité statique et de l’auto-inflammation, la qualité de la vapeur doit être vérifiée avec soin. Comme indiqué plus haut, la vapeur doit être sèche ou surchauffée afin de s’assurer que les charges spatiales d’électricité statique sont maintenues à un niveau bas et sans danger, mais la température ne doit pas dépasser 200°C, afin d’éviter la possibilité d’une auto-inflammation (voir températures d’auto-inflammation, annexe 1).
Explanation: The spatial or space discharge of static electricity is the which results in lightening in space. Static electricity is produced whenever there is friction , be it between you and the car seat, drag your lags on the carpet, etc. It can also be produced by plastic gas cans, nylon wind breakers and so on. all these happen in space and so is termed as spatial. These charges need to be grounded so that they do not result in a fire accident.
EX: Aircraft use static grounding wires before fueling because of the immense amount of static generated during flight. Most of the automotive refueling accidents we have investigated occurred after the refueling process.
YOU MIGHT HAVE ALSO EXPERIENCED A STATIC CHARGE IN SPACE, AS YOU BRING YOUR HAND NEAR A RUNNING TV SCREEN OR COMPUTOR MONITOR, WHICH RESULTS SOMETIMES MAKES THE HAIR ON THE HAND TINGLE.
This was a difficult one to grade - and thanks to all contributors for their helpful comments. In the end I felt this answer came closest. Thanks. 4 KudoZ points were awarded for this answer
Googling "static electricity" and "space charge" as separate terms in a single search gives quite a few hits, for example this directly relevant one: http://www.jci.co.uk/Papers/TankWashingRisks.pdf. I don't think you need to look for another term.
...it's somewhat ambiguous, as it is also an economic term:
Ambient Charge
A form of tax on non uniformly mixed pollutants. It is calculated to be the same in terms of the emission's impact on ambient environmental quality at some receptor site. As a result, an ambient charge to a firm closer to the receptor site will normally be higher per litre than that charged to firms further away.
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Answers
22 mins confidence:
Ambient charge
Explanation: It gets quite a few hits on Google.
Terry Richards France Local time: 23:31 Works in field Native speaker of: English PRO pts in category: 55
Explanation: The spatial or space discharge of static electricity is the which results in lightening in space. Static electricity is produced whenever there is friction , be it between you and the car seat, drag your lags on the carpet, etc. It can also be produced by plastic gas cans, nylon wind breakers and so on. all these happen in space and so is termed as spatial. These charges need to be grounded so that they do not result in a fire accident.
EX: Aircraft use static grounding wires before fueling because of the immense amount of static generated during flight. Most of the automotive refueling accidents we have investigated occurred after the refueling process.
YOU MIGHT HAVE ALSO EXPERIENCED A STATIC CHARGE IN SPACE, AS YOU BRING YOUR HAND NEAR A RUNNING TV SCREEN OR COMPUTOR MONITOR, WHICH RESULTS SOMETIMES MAKES THE HAIR ON THE HAND TINGLE.
The translation workplace 
