The sensible efficiency value is to be compared with the minimum efficiency stated for the heating systems performances.
- ηt: Higher efficiency (or total): is the sum of sensible efficiency and the additional efficiency deriving from the recovery of
water vapour condensation contained in the flue gases. When it s greater than sensible efficiency, then condensation is taking
place. It is referred to LHV (Lower Heating Value) and can exceed 100%. The LHV is calculated by an algorithm developed by
Kimo and its value must be considered as indicative.
- CO (O
2
): Concentration of CO in flue gases in mg/m
3
. It is calculated according to O
2
reference value indicated in the
analyser (see page 21).
- NO (O
2
): Concentration of NO in flue gases in mg/m
3
. It is calculated according to O
2
reference value indicated in the
analyser (see page 21).
- NOx (O
2
): Concentration of NOx in flue gases in mg/m
3
. It is calculated according to O
2
reference value indicated in the
analyser (see page 21).
Introduction 11
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