May i know how to calculate HHV and LHV?

what kind of parameters i need to calculate LHV?

HHV can be calculated using LHV? if yes, how?

can I calculate water vapor percentage using HHV and LHV? If yes, how?

looking forwards for replies =)

 

Your friendly local moderator here.

I googled hhv and lhv and saw numerous listings, including this one on wikipedia:

http://en.wikipedia.org/wiki/Heat_of_combustion

Maybe you should start there.

Regards,
Peg Ferraro

 

Try googling "gross heating value" and "net heating value"