TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
LOOPING PLUME [1 record]
Record 1 - internal organization data 2003-12-22
Record 1, English
Record 1, Subject field(s)
- Air Pollution
- Atmospheric Physics
- Chimneys (Building Elements)
Record 1, Main entry term, English
- looping plume
1, record 1, English, looping%20plume
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- looping 2, record 1, English, looping
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A plume that appears to be following a sinuous path, usually with irregular undulations. 3, record 1, English, - looping%20plume
Record number: 1, Textual support number: 1 OBS
Looping plume ... The up and down motion starts as soon as the gas issues from the stack and is caused by atmospheric, eddies, often the result of thermal convection. It is an optical illusion that any particular parcel of gas follows a sinuous path as it moves downwind; if it forms the top of a wave near the stack, it remains as the top of a wave as it moves downwind. It is the sinuosities that move with the wind, growing in size as they travel. Looping is seldom observed from stacks taller than lOOm. 3, record 1, English, - looping%20plume
Record 1, French
Record 1, Domaine(s)
- Pollution de l'air
- Physique de l'atmosphère
- Cheminées (Éléments du bâtiment)
Record 1, Main entry term, French
- panache sinueux
1, record 1, French, panache%20sinueux
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- panache en boucles 2, record 1, French, panache%20en%20boucles
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Les panaches deviennent sinueux en présence d'un gradient superadiabatique. De gros tourbillons thermiques se forment dans l'air instable, et de fortes concentrations de polluants peuvent être rabattues au sol à de courts intervalles de temps. La diffusion est toutefois efficace sur de longues échéances. Les conditions superadiabatiques qui rendent les panaches sinueux ne se produisent que par vents légers et sous une forte insolation. La nébulosité ou les vents forts empêchent l'établissement de telles conditions d'instabilité. 1, record 1, French, - panache%20sinueux
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Contaminación del aire
- Física de la atmósfera
- Chimeneas (Elementos de edificios)
Record 1, Main entry term, Spanish
- penacho serpenteante
1, record 1, Spanish, penacho%20serpenteante
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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