よどみ流れ中に安定化された超過エンタルピー火炎から得られる熱流束およびエクセルギ流束

概要

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In order to develop new types of domestic heaters and burners for effective use of thermal energy and low emission of pollutants, characteristics of excess enthalpy flames stabilized in an axisymmetric stagnation flow established in a heat-recirculating burner were compared with those of ordinary flames stabilized by a nonheat-recirculating burner. The value of exergy fluxes utilized from the excess enthalpy flames are 1.3〜2.5 times of those utilized from the normal flames under the condition of the same value of fuel at the external and internal combustion methods. The value of exergy fluxes utilized from the internal combustion methods are about 2 times of those utilized from the external combustion methods at the same flow rate of fuel at the excess enthalpy flames. The flow rate of fuel for the internal combustion methods is about 70% of that for the external combustion methods under the same value of exergy fluxed utilized from both methods.
大同工業大学の論文