abbasi
18-08-2010, 08:40 AM
Dear All
i am so confused with all this HHV and LHV of a chiller. Tell me whether the COP increases with LHV and decreases with HHV?
Why is it so, when we take LHV(low het value) of gas does the flow rate of natural gas also not increase to give the same heat output?
As for HHV(high heating value) the flow rate of natural gas will reduce?
e.g.,
if LHV of natural gas is 871 Btu/cu ft and that HHV is 970 Btu/cu ft whose COP will be higher.
Please eleborate......:confused:
i am so confused with all this HHV and LHV of a chiller. Tell me whether the COP increases with LHV and decreases with HHV?
Why is it so, when we take LHV(low het value) of gas does the flow rate of natural gas also not increase to give the same heat output?
As for HHV(high heating value) the flow rate of natural gas will reduce?
e.g.,
if LHV of natural gas is 871 Btu/cu ft and that HHV is 970 Btu/cu ft whose COP will be higher.
Please eleborate......:confused: