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Validated methods for flue gas flow rate calculation with reference to

Learn MoreJun 12, 2020 · National average. $6,000. (high-efficiency gas furnace for 2,000 sq.ft. home) Low: $3,000. (moderate-efficiency gas furnace for 2,000 sq.ft. home) High: $12,000. (high-efficiency furnace and ductwork for 2,000 sq.ft. home) Cost to install a natural gas furnace varies greatly by

Learn Moreanalyses. The calculated flue gas flow is compared with the reference flue gas flow calculated from the elemental composition. It is shown that, for a wide range of coal and biomass compositions, the above formula performs very well. For light fuel oil the formula is: V God = 1.76435 + 0.20060 H (N) (m 3/kg) and for natural gas: V God

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Learn MoreThe heat in the steam produced is about 95% of that lost by the gases passing through the boiler. Heat lost by hot gases = V s ( t 1 − t 2) MJs − 1, where V = m 3 gas/sec, s = specific heat (volume basis). Heat absorbed by water = 0.95 Vs ( t1 − t2 )MJ s −1, t1 and t2 = temperature of hot gases

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Learn MoreAir Flow Rate Calculation (Flue Exhaust Gases). 1 volume of gas requires So 12.5 times the gas volume are approx exhausted from the chimney. Example,. 1,000 kW boiler operating at 90% efficiency gives burner firing rate of 1,099 kW.

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