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CCV Properties of NG

  1. When did natural gas arrive in the UK and what was its predecessor?
    Natural gas arrived in the UK mid 1960's

    Towns Gas.
  2. Does the UK import or export NG
    The UK is now a net importer of NG
  3. Main source of ng
    Gas fields ie North Sea
  4. volume of air to burn 1m3 of ng
    10m3
  5. ignition temperature of ng
    704 oC
  6. flame speed of ng
    0.36 m/s
  7. main constitute of ng
    90% methane
  8. flammability limits of ng
    5 to 15%
  9. chemical formula of methane
    CH4
  10. Specific gravity of ng
    0.6 to 0.7
  11. How is ng formed?
    Formed by the decomposition and fossilisation of plant / animal life
  12. calorific value
    CV is the number of heat (energy) units which can be obtained from a measured volume of the gas.
  13. SI unit of CV
    MJ/m3
  14. cv can also be measured in what units
    Btu/ft3 and kW/m3
  15. approximate cv for ng
    39.3 MJ/m3

    1040 BTU/ft3

    10.76 kW/m3
  16. What are the 3 gas families
    Family 1 manufactured gas 

    family 2 natural gas

    family 3 LPG
  17. Cv of propane
    93 MJ/m3
  18. cv of. Butane
    121MJ/m3
Author
zenken79
ID
320584
Card Set
CCV Properties of NG
Description
CCV NG
Updated

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