TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BULK VISCOSITY [3 records]

Record 1 2013-07-22

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Rheology
  • Plastic Materials
Universal entry(ies)
nK
symbol, see observation
DEF

The ratio of compressive stress to compressive strain rate on a continuous hydrostatic compression or decompression at a constant compressive strain rate.

OBS

nK: The letter "n" must be replaced by the Greek letter "eta," and the small capital "K" is written in subscript (nK).

OBS

compressive viscosity; bulk viscosity; nK: terms, symbol and definition standardized by the International Organization for Standardization (ISO).

Key term(s)
  • compressional viscosity
  • compression viscosity

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Rhéologie
  • Matières plastiques
Entrée(s) universelle(s)
nK
symbol, see observation
DEF

Rapport de la contrainte en compression à la vitesse de déformation en compression, lors d’une décompression ou compression hydrostatique continue, à une vitesse constante de déformation en compression.

OBS

nK : La lettre «n» doit être remplacée par la lettre grecque «êta», et la petite majuscule «K» s'écrit en indice (nK).

OBS

viscosité en compression; viscosité en compressibilité; nK : termes, symbole et définition normalisés par l'Organisation internationale de normalisation (ISO).

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Reología
  • Materiales plásticos
Entrada(s) universal(es)
nK
symbol, see observation
DEF

Relación de la velocidad del esfuerzo de compresión sobre la compresión hidrostática continua o descompresión a un esfuerzo compresivo de velocidad constante.

Save record 1

Record 2 1976-06-19

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
OBS

(Inst. Int. Froid, TLI, no 1, 1972, p. 52-53)

Spanish

Save record 2

Record 3 1975-03-11

English

Subject field(s)
  • Rheology
OBS

the relaxation curves of polyisobutyline in the rubbery flow region have been used to predict the bulk viscosity, using the "box" distribution as the approximation for the relaxation time distribution in that region.

French

Domaine(s)
  • Rhéologie

Spanish

Save record 3

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