convertir gar en nar
Reckoner for all Coal Conversions . From GAR to NAR : The difference between net and gross as received (NAR v/s GAR) specific energy values is the latent heat of the water vapour which lowers the effective calorific value in the boiler. To convert from GAR to NAR for bituminous coals subtract approximately mj/kg 260 kcal/kg 470 btu/lb