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AIR PERMEABILITY [5 records]

Record 1 2015-09-30

English

Subject field(s)
  • Construction Materials
DEF

... the degree to which a building material or component allows air to pass through it when it is subjected to a differential pressure.

French

Domaine(s)
  • Matériaux de construction
DEF

Aptitude d’un corps à se laisser pénétrer et traverser par l’air en présence d’une différence de pression.

Spanish

Save record 1

Record 2 2005-12-08

English

Subject field(s)
  • Textiles: Preparation and Processing
  • Engineering Tests and Reliability
DEF

The ability of a material to allow air to pass through its structure.

CONT

The air permeability of fabric is one of very important properties of technical fabrics. The air permeability depends on shape and value of the pores and the inter-thread channels, which are dependent on the structural parameters of the fabric. The main structural parameters, which have influence on fabric air permeability, are set and linear densities of yarns and weave.

French

Domaine(s)
  • Apprêt et traitements divers (Textiles)
  • Fiabilité, contrôle et essais (Ingénierie)
DEF

Capacité d'un matériau souple (étoffe, tissu ou tricot, non-tissé) à se laisser traverser par l'air.

Spanish

Save record 2

Record 3 1997-02-26

English

Subject field(s)
  • Canadian General Standards Board (CGSB) Standards
OBS

Standard number: CAN/CGSB-4.2 36-M89

French

Domaine(s)
  • Normes de l'Office des normes générales du Canada (ONGC)
OBS

Numéro de norme : CAN/CGSB-4.2 36-M89

Spanish

Save record 3

Record 4 1990-09-14

English

Subject field(s)
  • Engineering Tests and Reliability
OBS

Fabric Properties of Importance in Construction Use ... Test for Hydraulic Properties ... Air permeability. ASTM method D 737 defines air permeability as "the rate of air flow through a material under a differential pressure between the two fabric surfaces."

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
OBS

Principe de l'essai de perméabilité sur géotextile.

OBS

Perméabilité des géotextiles et perméamètres (...) Nous avons notamment comparé les résultats obtenus avec deux fluides (air et eau) (...)

OBS

Comme exemple de méthode d'essais de contrôle de production, on citera: la masse surfacique, l'épaisseur, la résistance en traction des nappes, des fibres, la perméabilité à l'air.

Spanish

Save record 4

Record 5 1990-03-12

English

Subject field(s)
  • Soil Science
  • Soil Mechanics (Engineering)

French

Domaine(s)
  • Science du sol
  • Mécanique des sols

Spanish

Save record 5

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