Wednesday, 9 September 2015

SPECIFIC WEIGHT AND SPECIFIC VOLUME

Specific weight and specific volume

Specific weight
  • It is weight of fluid per unit volume.
  • M. K. S. unit: kg/m3
  • S. I. units: N/ m3
  • To convert in SI units multiply (MKS) by 9.81. the specific weight of water is 9810 N/ m3
  • Specific weight of a fluid varies due to
  1. Change of gravity 
  2. Effect of pressure and temperature 
Specific volume
  • It is defined as volume per unit mass
  • M. K. S. unit: m3/ slug
  • S. I. units: m3/ kg


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