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FUEL POWDER [9 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-12-21

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

pellet : a cylindrical fuel element, made from ceramic, a stack of which, inside the cladding tube, forms the fissile column(in a rod, or pin), in a reactor. Pellets are obtained, for most current reactors, through compaction of uranium oxide(UOX) powder, or mixed uranium and plutonium oxide(MOX) powder.

French

Domaine(s)
  • Réacteurs nucléaires de fission
CONT

Aiguille (crayon). Constituée d’une gaine d’acier austénitique au titane de diamètre extérieur 8,5 mm, d’épaisseur 0,56 mm et de longueur totale 2 700 mm fermée par deux bouchons, l’aiguille combustible contient : — les pastilles d’oxyde mixte UO2-PuO2 constituant la colonne fissile de 1 000 mm; — les pastilles d’UO2 (appauvri) constituant les deux colonnes fertiles de 300 mm de part et d’autre de la colonne fissile […]

Spanish

Save record 1

Record 2 2011-12-14

English

Subject field(s)
  • Steel
  • Powder Metallurgy
CONT

Another direction of research is investigating confinement materials which isolate the fuel from the coolant fluid. In the SFR(Sodium-cooled Fast Reactor), the fuel will be compacted in the form of pellets, stacked on top of one another, inside their confinement material : a sheath of "oxide dispersion steel. "This is manufactured by sprinkling the given oxide powder onto the steel when it is cast, conferring much better thermal mechanical properties on it than those possessed by the conventional steel which has been used, up until now, on Phénix.

French

Domaine(s)
  • Acier
  • Métallurgie des poudres
CONT

Assemblage par laser d'aciers renforcés par dispersion d'oxydes (ODS). Dans le cadre des études génériques sur les matériaux de gaine pour réacteurs à caloporteurs gaz (RCG), une étude sur la soudabilité laser de matériaux renforcés par dispersion d'oxydes (oxyde dispersion strengthening (ODS)) a été réalisée au GIP (Groupement d'intérêt public) de début 2001 à fin 2002.

Spanish

Save record 2

Record 3 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
LiF
formula
FLi
formula
7789-24-4
CAS number
DEF

A chemical compound having the formula LiF or FLi which appears under the form of a fine, white powder, is slightly soluble in water, is soluble in acids, is insoluble in alcohol, derives from the reaction of hydrogen fluoride with lithium carbonate, and is used in metallurgy(welding and soldering flux), ceramics, heat-exchange media, radiation dosimetry, synthetic crystals in infrared and ultraviolet instruments, as a rocket fuel component, a component of fuel for molten salt reactors and in x-ray diffraction.

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
LiF
formula
FLi
formula
7789-24-4
CAS number
OBS

Formule chimique : LiF ou FLi

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
LiF
formula
FLi
formula
7789-24-4
CAS number
DEF

Polvo blanco poco soluble en agua, soluble en ácidos, insoluble en alcohol. Muy tóxico e irritante.

Save record 3

Record 4 2011-05-09

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
  • Pharmacology
Universal entry(ies)
Mg(OH)2
formula, see observation
H2MgO2
formula, see observation
1309-42-8
CAS number
DEF

A chemical compound which appears under the form of a noncombustible, white, odourless powder, is soluble in solution of ammonium salts and dilute acids, almost insoluble in water and alcohol, occurs naturally as brucite, is prepared by the hydration of magnesium oxide, and is used as an intermediate for obtaining magnesium metal, in sugar refining, in medicine(antacid, laxative), sulfite pulp, uranium processing, dentifrices, as a residual fuel oil additive, in foods as a drying agent, colour retention agent, in cheese, canned foods and frozen desserts.

OBS

Its aqueous solution is called milk of magnesia.

OBS

Also known under a variety of commercial designations, among which: Marinco H; Marinco H 1241; Mint-L-Mag, S/G 84.

OBS

Chemical formula: Mg(OH)2 or H2MgO2

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
  • Pharmacologie
Entrée(s) universelle(s)
Mg(OH)2
formula, see observation
H2MgO2
formula, see observation
1309-42-8
CAS number
DEF

Produit chimique se présentant sous la forme d'une poudre blanche, inodore, que l'on utilise principalement en médecine (antiacide, laxatif) et dans l'industrie alimentaire, en conserverie et en fromagerie, où il est utilisé comme siccatif et adjuvant de la couleur.

OBS

Sa solution aqueuse est le lait de magnésie.

OBS

Formule chimique : Mg(OH)2 ou H2MgO2

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Aditivos alimentarios
  • Farmacología
Entrada(s) universal(es)
Mg(OH)2
formula, see observation
H2MgO2
formula, see observation
1309-42-8
CAS number
OBS

Fórmula química: Mg(OH)2 o H2MgO2

Save record 4

Record 5 2009-09-16

English

Subject field(s)
  • Nuclear Physics
CONT

A composite material comprising a pure copper or dispersion strengthened copper matrix and a boron rich species, such as, but not limited to, elemental boron or boron carbide, for use in the fabrication of baskets that support spent nuclear fuel in nuclear waste containers. A method for manufacturing the composite material using powder metallurgy and hot extrusion.

French

Domaine(s)
  • Physique nucléaire
DEF

Structure métallique permettant la manutention de matières radioactives et satisfaisant à des exigences spécifiques de sûreté nucléaire.

Spanish

Save record 5

Record 6 2008-12-04

English

Subject field(s)
  • Biomass Energy
  • Combustion and Fuels (Fireplaces)
  • Waste Management
DEF

Refuse-derived fuel available in powder form.

OBS

refuse-derived fuel: A fuel that is produced from material that would otherwise be regarded as worthless, e.g. methane gas from agricultural waste, oil from scrap rubber, solid fuel from organic refuse.

Key term(s)
  • powdered refuse derived fuel

French

Domaine(s)
  • Énergie de la biomasse
  • Combustion et combustibles (Foyers)
  • Gestion des déchets
OBS

combustible dérivé des déchets : Combustible produit à partir de matériaux rejetés, par exemple du méthane à partir de déchets agricoles, des combustibles solides à partir de déchets organiques compacts, etc.

Spanish

Save record 6

Record 7 - external organization data 2008-11-21

English

Subject field(s)
  • Nuclear Science and Technology
  • Nuclear Fission Reactors
  • Compartment - Canadian Nuclear Safety Commission
DEF

A plant for the fabrication of fuel elements or other parts containing nuclear material.

CONT

Fuel Fabrication facility. The UO2 powder... is used to manufacture fuel bundles for the CANDU reactors... The manufacturing process involves a series of operations : the powder is formed into small pellets; sets of pellets are loaded into zircaloy tubes; each tube is capped and sealed by welding; and finally, the completed tubes are assembled into bundles.

OBS

In the safeguards field, the term [fuel fabrication plant] may include the storage facilities and analytical departments of the plant.

OBS

fuel fabrication plant: term standardized by ISO.

French

Domaine(s)
  • Sciences et techniques nucléaires
  • Réacteurs nucléaires de fission
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Installation pour la fabrication d'éléments combustibles ou d'autres produits contenant des matières nucléaires.

CONT

Usines de fabrication de combustibles. La poudre de bioxyde d'uranium [...] sert [...] pour fabriquer les grappes de combustible des réacteurs CANDU [...] La fabrication comporte plusieurs stades : la poudre est d'abord comprimée en pastilles qui sont regroupées et placées dans des tubes de zircaloy qui sont ensuite fermés et soudés hermétiquement avant d'être assemblés en grappe.

OBS

Dans le domaine des garanties, ce terme [installation de fabrication de combustible] peut couvrir le stockage et les services d'analyse de l'installation.

OBS

installation de fabrication de combustible : terme normalisé par l'ISO.

Spanish

Save record 7

Record 8 - external organization data 1994-11-02

English

Subject field(s)
  • Nuclear Science and Technology
  • Nuclear Fission Reactors
  • Compartment - Canadian Nuclear Safety Commission
CONT

Fuel Fabrication facility. The UO2 powder... is used to manufacture fuel bundles for the CANDU reactors.... The manufacturing process involves a series of operations : the powder is formed into small pellets; sets of pellets are loaded into zircaloy tubes; each tube is capped and sealed by welding; and finally, the completed tubes are assembled into bundles.

French

Domaine(s)
  • Sciences et techniques nucléaires
  • Réacteurs nucléaires de fission
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Usines de fabrication de combustibles. La poudre de bioxyde d'uranium [...] sert [...] pour fabriquer les grappes de combustible des réacteurs CANDU [...] La fabrication comporte plusieurs stades : la poudre est d'abord comprimée en pastilles qui sont regroupées et placées dans des tubes de zircaloy qui sont ensuite fermés et soudés hermétiquement avant d'être assemblés en grappe.

Spanish

Save record 8

Record 9 1991-03-20

English

Subject field(s)
  • Solid Fuel Heating
DEF

Device for breaking down of solid lumps into a fine material ...

CONT

Pulverized coal Systems : These are of two general types : 1) the direct-fired, or unit, system and 2) the storage, or bin, system. In the direct-fired system, raw coal is fed directly to a pulverizer where it is pulverized, mixed with air, and blown to the burner. In the storage system, coal is delivered to a raw-fuel bin and then passed to a pulverizer where it is reduced to a powder and dried for storage in a pulverized fuel bin before delivery to the furnace.

French

Domaine(s)
  • Chauffage aux combustibles solides
CONT

Chauffe semi-directe. Sans ce procédé, à la sortie du broyeur, le charbon pulvérisé est envoyé dans un cyclone [...] l'absence de stockage rend l'alimentation du brûleur tributaire du fonctionnement de l'installation de pulvérisation.

CONT

À l'origine, cette enquête [étude du broyage - combustion du charbon pulvérisé] était axée uniquement sur les broyeurs et pulvérisateurs commercialisés [...]

CONT

Brûleurs pour combustibles pulvérulents. Ces appareils brûlent du charbon pulvérisé, soit dans une installation annexe de la chaufferie, dite centrale de pulvérisation, soit dans un broyeur individuel associé au brûleur.

OBS

[...] dans son sens le plus général, «broyeur» s'applique à tous les instruments destinés à émietter une matière, à la réduire en fragments menus, sinon en poudre [...]

Spanish

Save record 9

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