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IMPROVED COMBUSTION [12 records]

Record 1 2020-11-17

English

Subject field(s)
  • Closing Devices and Nozzles (Mechanical Components)
  • Engines (Motor Vehicles)
CONT

Valve rotation has an overall positive effect on valve life. Rotation provides improved temperature distribution in the valve head and a mild scraping action that cleans the valve interface of any crushed combustion deposits.

French

Domaine(s)
  • Obturateurs et buses (Composants mécaniques)
  • Moteur (Véhicules automobiles)
CONT

La rotation des soupapes assure une répartition uniforme de la température autour du siège et améliore la longévité en réduisant les distorsions locales et en évitant le passage des gaz dans le carter et la formation de craquelures sur la surface d'étanchéité. La rotation réduit en outre l'usure des autres composants en contact direct avec la soupape.

Spanish

Save record 1

Record 2 2013-03-18

English

Subject field(s)
  • Combustion and Fuels (Fireplaces)

French

Domaine(s)
  • Combustion et combustibles (Foyers)

Spanish

Save record 2

Record 3 2012-10-15

English

Subject field(s)
  • Environmental Studies and Analyses
  • Air Pollution
CONT

Even supposing that the plume rises were a clear concept, and its value correctly known, we still have the enormous variations in the spreading of known passive plume.

CONT

Plume Geometry and Rise. Once a puff is released from a point source it will move away from it with a speed and direction determined by the wind.

CONT

At the request of member utilities, EPRI is managing a multi-year collaborative applied research effort focused on developing improved plume rise and downwash sub-models for incorporation into regulatory air quality dispersion models.... A field measurements program was performed from February 10-March 5, 1994 to characterize plume rise and building-induced downwash at a representative combustion turbine facility, under a variety of meteorological conditions.... PRIME [Plume Rise Model Enhancements] explicitly calculates the local slope of the mean streamlines as a function of building shape and wind angle, and coupled with a numberical plume rise model, determines the change in plume centerline location with downwind distance.

PHR

To characterize plume rise, to computer plume rise in models, to develop plume rise models, to develop plume rise modules, to evaluate plume rise modules.

PHR

Numerical plume rise model.

PHR

Plume rise algorithms, plume rise models, plume rise modules.

Key term(s)
  • plume-rise

French

Domaine(s)
  • Études et analyses environnementales
  • Pollution de l'air
DEF

Différence de niveau observée entre le point d'émission des panaches et la hauteur qu'ils atteignent sous l'effet du gradient thermique et de leur énergie cinétique.

CONT

[...] à cause de sa poussée et de sa vitesse, le panache s'élève jusqu'à une certaine hauteur au-dessus de la cheminée, appelée l'élévation du panache, et il se disperse [...], retombant éventuellement sur le sol.

CONT

Diffusion pour sources ponctuelles. Le modèle gaussien : classes de stabilité, coefficients de dispersion. L'élévation du panache. Rabattement, élévation du terrain, proximité d'une masse d'eau et présence d'inversion.

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
  • Contaminación del aire
CONT

Fórmulas de elevación del penacho. La altura del penacho se usa en los cálculos del término Vertical. Las ecuaciones de cantidad de movimiento en la elevación del penacho dependientes de la distancia, como se describe en (Bowers, et al., 1979), se usan para determinar si el penacho resulta afectado por apantallamientos para los cálculos de bañado de edificios.

Save record 3

Record 4 2012-05-04

English

Subject field(s)
  • Anti-pollution Measures
  • Industrial Tools and Equipment
CONT

Most industrialized countries waited until the second half of the 20th century before making a major effort to clean up many of highly polluted cities and conurbations. This has been achieved by a variety of methods including the use of cleaner fuels, more efficient pollution control equipment, improved combustion control, more effective dispersion by increasing chimney heights and the relocation of old industry or redevelopment away from existing polluted areas.

Key term(s)
  • anti-pollution equipment

French

Domaine(s)
  • Mesures antipollution
  • Outillage industriel
DEF

Appareillage utilisé pour éviter, limiter, réduire ou éliminer la pollution.

OBS

Un épurateur d'émissions, un système catalytique, un dépoussiéreur sont des exemples d'appareils antipollution.

OBS

matériel : rare au pluriel.

OBS

équipement : anglicisme au sens de «matériel». Ce terme désigne tout ce qui sert à équiper une personne, un animal, une chose en vue d'une activité déterminée (chasse, ski, voyage), alors que le terme «matériel» désigne l'ensemble des objets, des instruments, des machines utilisés dans un service, une exploitation quelconque.

Key term(s)
  • matériel anti-pollution
  • équipement de lutte anti-pollution
  • équipement de lutte contre la pollution
  • équipement anti-pollution
  • équipement de lutte antipollution

Spanish

Campo(s) temático(s)
  • Medidas contra la contaminación
  • Herramientas y equipo industriales
Key term(s)
  • dispositivo para reducir la contaminación
Save record 4

Record 5 2000-10-18

English

Subject field(s)
  • Federal Government Bodies and Committees (Canadian)
OBS

The Physical Metallurgy Research Laboratories deal primarily with improved materials for rail lines, coal combustion, offshore structures, pipelines, and pressure vessels. They are also concerned with erosion/corrosion and the fabrication of metals and alloys.

OBS

CANMET carries out its mandate with a staff of 797 employees, organized into five operational laboratories. The laboratories are supported by several staff units that provide services to all divisions.

Key term(s)
  • Physical Metallurgy Research Laboratory

French

Domaine(s)
  • Organismes et comités fédéraux (Gouvernement canadien)
OBS

Les Laboratoires de recherche en métallurgie physique travaillent principalement à améliorer des matériaux utilisés dans divers domaines : voies de chemin de fer, combustion du charbon, ouvrages en mer, pipelines et récipients sous pression. Ils étudient aussi les phénomènes d'érosion et de corrosion ainsi que la fabrication des métaux et des alliages.

Key term(s)
  • Laboratoire de recherche en métallurgie

Spanish

Save record 5

Record 6 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Engines (Motor Vehicles)
  • Fueling Systems (Motor Vehicles)
CONT

A compact combustion chamber also increases in-cylinder turbulence for improved burn rates in the fuel charge.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Moteur (Véhicules automobiles)
  • Alimentation (Véhicules automobiles)
OBS

Turbulence. Formation de tourbillons dans un fluide.

Spanish

Save record 6

Record 7 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Fueling Systems (Motor Vehicles)
  • Engines (Motor Vehicles)
CONT

A compact combustion chamber also increases in-cylinder turbulence for improved burn rates in the fuel charge.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Alimentation (Véhicules automobiles)
  • Moteur (Véhicules automobiles)

Spanish

Save record 7

Record 8 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Engines (Motor Vehicles)
  • Fueling Systems (Motor Vehicles)
CONT

A compact combustion chamber also increases in-cylinder turbulence for improved burn rates in the fuel charge.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Moteur (Véhicules automobiles)
  • Alimentation (Véhicules automobiles)

Spanish

Save record 8

Record 9 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Fueling Systems (Motor Vehicles)
  • Engines (Motor Vehicles)
CONT

More precisely controlled intake air turbulence contributes to improved combustion efficiency and engine power density.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Alimentation (Véhicules automobiles)
  • Moteur (Véhicules automobiles)
OBS

Turbulence. Formation de tourbillons dans un fluide.

Spanish

Save record 9

Record 10 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Engines (Motor Vehicles)
CONT

More precisely controlled intake air turbulence contributes to improved combustion efficiency and engine power density.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Moteur (Véhicules automobiles)

Spanish

Save record 10

Record 11 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Engines (Motor Vehicles)
CONT

The combustion rings of the [head] gasket now have an improved molydi-sulfide coating.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Moteur (Véhicules automobiles)

Spanish

Save record 11

Record 12 1985-12-06

English

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

The main advantage of district heating is improved efficiency of combustion and conversion through the use of large, automatically controlled fuel-fired heating boilers.

French

Domaine(s)
  • Fours et chaudières (Chauffage)

Spanish

Save record 12

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