TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

A floating flame is an indication that there is a lack of secondary air to the flame. In severe cases, the flame will leave the burner and have the appearance of a floating cloud. Again, the intermediate products of combustion are apt to escape from place to place wherever sufficient air for combustion may be found. This flame is sometimes hard to detect because, as the door to the equipment is opened sufficient air will be admitted to allow the flame to rest on the burner properly. However, the obnoxious odor of aldehydes may still be detected. Another possible cause of this flame is an improperly operating vent system. If the products of combustion cannot escape, fresh air cannot reach the flame  1, fiche 1, Anglais, - floating%20flame

Record number: 1, Textual support number: 2 CONT

When a flame raises off the burner it is important to determine if it is a "lifting flame" or a "floating flame" :"Lifting Flames" rise from the ports to burn some distance above the ports. In some cases these flames will drop back to the port and lift again intermittently. They are caused by too much primary air. Decreasing the shutter opening will stop lifting flames. "Floating Flames" are long and lazy looking, poorly defined, quiet flames which roll around the combustion chamber sometimes completely off the ports. Floating flames result from too little secondary or "make up" air. Lack of secondary air can be caused by incorrect venting, clogged flueways, blocked secondary air inlet openings, or lack of natural room makeup air to the oven.  2, fiche 1, Anglais, - floating%20flame

Fiche 1,  Justifications,  Français

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

Simple drop shutter; the plate slides down under its own weight and uncovers the lens opening.  1, fiche 3, Anglais, - simple%20drop%20shutter

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 OBS

L'un des premiers obturateurs comprenait une lamelle de bois [...] En libérant le cliquet d'immobilisation [...] la lamelle [descendait] sous l'effet de la pesanteur. [...] Ce modèle [est] dit «à guillotine rectiligne simple»  1, fiche 3, Français, - obturateur%20%C3%A0%20guillotine%20rectiligne%20simple

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 CONT

The drop shutter was simply a plate with a cut-out aperture. It dropped or was moved by a spring across the path of the image-forming rays which passed through the aperture and made the exposure.  1, fiche 4, Anglais, - drop%20shutter

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 CONT

Les obturateurs à guillotine sont de formes très variées. Leur principe général consiste à faire passer rapidement devant l'objectif une plaque percée d'une ouverture de forme variable.  1, fiche 4, Français, - obturateur%20%C3%A0%20guillotine

Fiche 4,  Justifications,  Espagnol