thanks @ RR79
The use of condensing economizer is to extract the latent heat from flue gas to an extent unlike normal economizers...
Fuel - natural gas
Water in temperature - 75 F
Water inlet pressure - assume atmospheric
Water flow rate - 20 gpm
R32 and R125 forms R410A if mixed 50% and 50% by mass. By volume the concentration is around 70% of R32 and 30% of R125.
The resulting mixture 410A is not explosive when R32 and R125 are 50% by mass....What happens when the % of R32 increases from 50% to 70%?
Will the mixture be explosive...
I have to model a condesing economizer for a steam boiler ...to model that I have to calculate both sensible and latent heat ...
Sensible heat is pretty straight forward with the equation Q=mcp(t2-t1)
latent heat part is complex as it has to do something with dew point temperature and partial...