[논문]업소용 가스레인지 버너의 일산화탄소 배출 특성을 고려한 최적 설계변수 도출

김일곤; 김태훈

doi:10.14346/jkosos.2024.39.1.1

업소용 가스레인지 버너의 일산화탄소 배출 특성을 고려한 최적 설계변수 도출
Derivation of Optimal Design Variables Considering Carbon Monoxide Emission Characteristics of Commercial Gas Stove Burners 원문보기

한국안전학회지 = Journal of the Korean Society of Safety, v.39 no.1, 2024년, pp.1 - 8

김일곤 (서울과학기술대학교 글로벌안전공학과) , 김태훈 (서울과학기술대학교 안전공학과)

Abstract ▼ AI-Helper

Commercial gas stoves feed primary air to the burner and burn the fuel-air mixture in a partially premixed combustion. This mechanism produces carbon monoxide during combustion. In this study, design parameters of a commercial gas stove were optimized by considering the carbon monoxide emission. Gas consumption rate, carbon monoxide emission, and water boiling temperature as a heating performance were determined. Carbon monoxide emission was measured using a Korean Industrial Standards standard collector. Water boiling temperature was measured by first soaking the pot in water for approximately 10 min and then heating the pot filled with water. A thermocouple was installed inside the pot. Carbon monoxide increased as the nozzle diameter was increased and the burner-pot height was decreased. This result was due to the insufficient mixing between the fuel and air. Heating performance was enhanced when the nozzle diameter was increased and the burner-pot height was decreased. However, the heating performance deteriorated when the nozzle diameter was 1.8 mm and the burner-pot height was reduced to 50 mm. This phenomenon was due to the formation of a flame on the side of the pot. A merit factor was defined to find the optimal design parameters to satisfy gas consumption rate, carbon monoxide emission, and heating performance. Optimal design values were established to be a nozzle diameter of 1.5 mm and a burner-pot height of 60 mm.

주제어

표/그림 (12)

그림 Fig. 1. Shape and dimensions of cast iron burner (unit: mm).
그림 Fig. 2. Shape and dimensions of pots: (a) Pot A, (b) Pot B, (c) Pot C (unit: mm).
그림 Fig. 3. Shape and dimensions of collector: (a) isometric view, (b) front view (unit: mm).
그림 Fig. 4. Gas supplying nozzle: (a) side view, (b) front view.
그림 Fig. 5. Experimental apparatus for measuring carbon monoxide.
그림 Fig. 6. Experimental apparatus for measuring heating performance.
그림 Fig. 7. Carbon monoxide concentration depending on the nozzle diameter.
그림 Fig. 8. Heating performance depending on the nozzle diameter.
그림 Fig. 9. Normalized heating performance depending on the nozzle diameter.
그림 Fig. 10. CO emissions and heating performance for entire experimental conditions.
그림 Fig. 11. Merit factor contour map (n_Q=1, n_CO=1, n_t=1).
그림 Fig. 12. Merit factor contour map for various weight coefficients: (a) n_Q=50, n_CO=1, nt=1, (b) n_Q=1, n_CO=50, n_t=1, (c) n_Q=1, n_CO=1, n_t=50.

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