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FORCED AIR SYSTEM [17 records]

Record 1 2019-10-30

English

Subject field(s)
  • Water Treatment (Water Supply)
CONT

The air charger system uses a quiet oiless air compressor to put large amounts of oxygen into the retention tank.... The oxygen [is] forced to the bottom of the tank through a PVC [polyvinyl chloride] pipe... Once the air is expelled it... mixes with the iron and manganese for proper oxidation. The water then flows to a properly sized multi media filter which will remove all oxidized iron and manganese. The air charger system also is effective in the removal of hydrogen sulfide gas.

French

Domaine(s)
  • Traitement des eaux

Spanish

Save record 1

Record 2 2011-11-17

English

Subject field(s)
  • Waste Management
  • Scientific Research Equipment
  • Medical and Surgical Equipment
CONT

The compost is also piled in elongated rows [as in open windrow systems], but aeration is accomplished by a forced-air system consisting of a grid of perforated pipes underneath the compost.

OBS

forced air system : term taken from a Canadian laboratory-equipment company's catalogue.

French

Domaine(s)
  • Gestion des déchets
  • Matériel et équipement (Recherche scientifique)
  • Équipement médico-chirurgical
CONT

Le compostage peut se réaliser [...] en andains statiques où l'aération est assurée par un système de ventilation à air forcé via un grillage en tuyaux perforés placés sous le compost; [...]

OBS

système à air forcé : terme tiré du catalogue d'une compagnie canadienne d'équipement de laboratoire.

Spanish

Save record 2

Record 3 2011-03-03

English

Subject field(s)
  • Freezing and Refrigerating
  • Cooling and Ventilating Systems
DEF

Cooling a space [object or substance] air cooled by natural convection.

OBS

Cooling system... In some cases direct contact with ambient air(free convection) may be sufficient; in other cases it may be necessary to employ forced convection...

French

Domaine(s)
  • Congélation, surgélation et réfrigération
  • Systèmes de refroidissement et de ventilation
DEF

Refroidissement par de l'air ou un gaz circulant par convection naturelle sur une surface froide.

CONT

Refroidissement par l'air ambiant. Il est souvent suffisant pour les moteurs de petite puissance : la transmission de chaleur est en général favorisée par la présence d'ailettes qui augmentent considérablement la surface d'échange entre organes et air.

Spanish

Save record 3

Record 4 2003-09-26

English

Subject field(s)
  • Atmospheric Physics
DEF

A gentle wind blowing up a valley or mountain slope in the absence of cyclonic or anticyclonic winds, caused by the warming of the mountainside and valley floor by the sun.

CONT

A valley breeze develops during the day as the sun heats the land surface and air at the valley bottom and sides... As the air heats it becomes less dense and buoyant and begins to flow gently up the valley sides. Vertical ascent of the air rising along the sides of the mountain is usually limited by the presence of a temperature inversion layer. When the ascending air currents encounter the inversion they are forced to move horizontally and then back down to the valley floor. This creates a self-contained circulation system. If conditions are right, the rising air can condense and form into cumuliform clouds.

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Vent anabatique soufflant le jour le long des pentes, des vallées vers les montagnes.

CONT

Brise de pente et brise de vallée. De jour, le réchauffement de l'air le long des pentes produit un flux ascendant vers les crêtes, d'où un courant général vers le haut de la vallée, c'est la brise d'aval. De nuit, au contraire, l'air se refroidit au contact du sol et a tendance à descendre le long des pentes vers le fond de la vallée où s'instaure un courant général vers le bas de la vallée, c'est la brise d'amont.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
DEF

Viento anabático que sopla por las laderas hacia arriba durante el día.

Save record 4

Record 5 2001-12-10

English

Subject field(s)
  • Cooling and Ventilating Systems
  • Ovens, Furnaces and Boilers (Heating)
  • Waste Management
CONT

Power combustion furnaces utilize a combustion blower which may be located either upstream or downstream from the heat exchangers. If the blower is located upstream blowing the combustion air into the heat exchangers, the system is called a forced draft system. If the blower is downstream, the arrangement is called an induced draft system.

French

Domaine(s)
  • Systèmes de refroidissement et de ventilation
  • Fours et chaudières (Chauffage)
  • Gestion des déchets

Spanish

Save record 5

Record 6 1994-02-09

English

Subject field(s)
  • Crop Conservation and Storage
DEF

The use of a blower and duct system in the hay mow to provide forced ventilation to reduce the moisture content of the hay. Hay having approximately 40 percent moisture may be put in the mow and the curing completed with the aid of the blower system. Normal outside air or artificially heated air may be used.

French

Domaine(s)
  • Conservation des récoltes
CONT

En agriculture, on appelle séchage tout procédé qui permet la conservation d'un produit agricole par l'abaissement de sa teneur en eau, qu'il s'agisse indifféremment du séchage des grains ou, plus techniquement parlant, de la déshydratation (pour les fourrages verts, les pruneaux ou le tabac), de la ventilation (chaude ou froide) du foin en grange ou même de la dessiccation de certains liquides.

Spanish

Campo(s) temático(s)
  • Conservación de las cosechas
Save record 6

Record 7 1990-01-08

English

Subject field(s)
  • Ovens, Furnaces and Boilers (Heating)
CONT

Natural gas furnaces. Natural gas, the most common fuel for residential heating, is usually burned in a central system forced air furnace. This type of furnace is equipped with a blower to circulate the air through the furnace enclosure, over the heat exchanger, and through the ductwork distribution system.

French

Domaine(s)
  • Fours et chaudières (Chauffage)

Spanish

Save record 7

Record 8 1990-01-08

English

Subject field(s)
  • Ovens, Furnaces and Boilers (Heating)
CONT

Oil furnaces. Indoor oil furnaces... are available in upflow, downflow, horizontal and low-boy configurations for ducted systems. They are also available as floor furnaces, wall furnaces, and free standing space heaters. Oil-fired outdoor furnaces and combination units are rare.... The ducted system, oil-fired, forced air furnaces are usually equipped with pressure-atomizing burners. The pump pressure and the orifice size of the injection nozzle regulate the firing rate of the furnace. Electric ignition is used to ignite the burners.... The combustion chamber and heat exchanger of oil-fired furnaces are normally formed as a common single chamber. It is formed from heavy gage steel into a welded assembly. The hot flue products flow through the inside of the heat exchanger into the chimney. The conditioned air flows over the outside of the heat exchanger and into the air supply plenum.

French

Domaine(s)
  • Fours et chaudières (Chauffage)
CONT

Maison de fin de semaine (...) On peut prévoir aussi le chauffage par air chaud avec générateur à mazout ou à gaz et distributions par gaines.

OBS

Fournaise : Ce terme est considéré comme impropre par les puristes. Selon Dagenais, dans son "Dictionnaire des difficultés de la langue française au Canada", "fournaise" serait un calque de l'anglais "furnace" et nous devrions plutôt dire "chaudière" lorsque le fluide caloporteur est l'eau ou la vapeur et "générateur d'air chaud", lorsque le fluide, est l'air. Cependant, ce terme reste d'usage fréquent au Québec, autant en langue parlée qu'en langue écrite.

Spanish

Save record 8

Record 9 1990-01-08

English

Subject field(s)
  • Ovens, Furnaces and Boilers (Heating)
CONT

The above-mentioned major components, which make up the gas-fired, forced air furnace, can be arranged in a variety of configurations to best suit the end use of the furnace in the residential heating system.

French

Domaine(s)
  • Fours et chaudières (Chauffage)
OBS

Générateurs d'air pulsé (...) ces générateurs sont constitués des éléments suivants : -un caisson d'aspiration (...) -un ventilateur centrifuge (...) -un corps de chauffe entourant un brûleur à flamme bleue alimenté au fuel ou au gaz; -un bloc de distribution (...) -une sortie de fumée avec modérateur de tirage.

Spanish

Save record 9

Record 10 1987-12-09

English

Subject field(s)
  • Bronchi
OBS

Caused by contaminated forced air system. Ventilation pneumonitis, J. N. Fink, Allergy-Immunol, Section, Dep. Med., Med., Coll. Wis., 8701 Watertoun Plank Road, Wauwatosa, Wis. 53226(BLOSIS).

French

Domaine(s)
  • Bronches
OBS

Il est classique ,depuis les années 70, de décrire sous ce même chapitre la maladie dite des climatiseurs (...) et la maladie des Humidificateurs (...)

Spanish

Save record 10

Record 11 1987-05-22

English

Subject field(s)
  • Medical and Surgical Equipment
  • Equipment (Chemistry)
CONT

Glassware dryer :forced air system circulates heated air uniformly throughout chamber. High temperature(116 degree C) permits sterilization of glassware.

French

Domaine(s)
  • Équipement médico-chirurgical
  • Équipement (Chimie)
CONT

Séchoirs à verrerie disponibles en modèles de sol à une ou deux portes. Circuit de séchage répartissant uniformément l'air chaud dans toute l'enceinte.

Spanish

Save record 11

Record 12 1985-10-30

English

Subject field(s)
  • Ovens, Furnaces and Boilers (Heating)
CONT

Forced Air Wood Furnaces. Central wood-burning furnaces are controlled by a wall mounted thermostat in the living area. Temperature and fan controls are the same as those found on oil and gas furnaces. Unlike room heaters, which produce a steady heat output by periodic manual adjustments of the draft control, most wood furnaces operate in cycles. A cycle starts with the thermostat sensing that heat is needed in the room where it is located. It signals the furnace control system which opens the combustion air damper and a hot fire develops. When the air inside the furnace's sheet metal casing gets hot, a preset fan control starts the circulating blower and the warm air is moved through the ducts to all areas of the house.

French

Domaine(s)
  • Fours et chaudières (Chauffage)

Spanish

Save record 12

Record 13 1985-10-24

English

Subject field(s)
  • Electric Heating
  • HVAC Distribution Systems
CONT

To accommodate different house styles, there are three forced air electric furnace designs. The upflow system... Horizontal flow system... Downflow systems take return air through the top of the cabinet and discharge warm air from the bottom. This is the type of system usually installed on the main floor of houses on concrete slabs or in mobile homes.

Key term(s)
  • downflow electric furnace

French

Domaine(s)
  • Chauffage électrique
  • Distribution et évacuation (chauffage et conditionnement d'air)

Spanish

Save record 13

Record 14 1985-10-24

English

Subject field(s)
  • Electric Heating
  • HVAC Distribution Systems
CONT

To accommodate different house styles, there are three forced air electric furnace designs. The upflow system... Horizontal flow systems take return air in at one end and discharge warm air through the other. This system is good for crawl space installations. Downflow systems...

Key term(s)
  • horizontal flow electric furnace

French

Domaine(s)
  • Chauffage électrique
  • Distribution et évacuation (chauffage et conditionnement d'air)

Spanish

Save record 14

Record 15 1985-10-24

English

Subject field(s)
  • Electric Heating
  • HVAC Distribution Systems
CONT

To accommodate different house styles, there are three forced air electric furnace designs. The upflow system is similar to conventional oil or gas furnaces, discharging warm air from the top of the cabinet into the distribution ducts and taking house air in from the back or top of the cabinet. It is best located in the basement. Horizontal flow systems... Downflow systems...

Key term(s)
  • upflow electric furnace

French

Domaine(s)
  • Chauffage électrique
  • Distribution et évacuation (chauffage et conditionnement d'air)

Spanish

Save record 15

Record 16 1980-07-15

English

Subject field(s)
  • Air Conditioning and Heating
OBS

because of the high heat generated by electronic equipment, a localized forced air supply system is used to maintain the electronic equipment at an acceptable working temperature.

French

Domaine(s)
  • Conditionnement de l'air et chauffage

Spanish

Save record 16

Record 17 1975-03-11

English

Subject field(s)
  • Air Conditioning and Heating
  • Cooling and Ventilating Systems
CONT

The forced warm air or mechanical warm air system uses a motor blower to increase the flow of heated air to the needed areas.

French

Domaine(s)
  • Conditionnement de l'air et chauffage
  • Systèmes de refroidissement et de ventilation
CONT

L'avantage du chauffage à air chaud à circulation mécanique [...] sera [...] de permettre l'emploi de gaines de plus faible section pour un même débit véhiculé, la vitesse de l'air étant acquise mécaniquement grâce à un ventilateur.

Spanish

Save record 17

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