레인지 후드의 형상변화에 따른 풍량 및 역류에 관한 실험적 연구
An Experimental Study on the Air Flow and Countercurrent According to the Shape Change of Range Hood
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The following results were obtained by conducting a flow experiment. The experiment with air volume showed that the ducts with 3 shapes in the same cross-sectional area were large in the order of circular duct, square duct, and flexible duct. As a result of measuring the pressure value by duct shape to determine the cause of the difference between the flow rate and the air volume value by duct, the negative pressure was large in the order of circular duct, square duct, and flexible duct. in the countercurrent test, In the case of circular ducts, the deviation was high, In the case of Flexible ducts, the mild increase in the countercurrent is judged to be the difference in pressure and friction received by shape.
Abstract
The following results were obtained by conducting a flow experiment. The experiment with air volume showed that the ducts with 3 shapes in the same cross-sectional area were large in the order of circular duct, square duct, and flexible duct. As a result of measuring the pressure value by duct shape to determine the cause of the difference between the flow rate and the air volume value by duct, the negative pressure was large in the order of circular duct, square duct, and flexible duct. in the countercurrent test, In the case of circular ducts, the deviation was high, In the case of Flexible ducts, the mild increase in the countercurrent is judged to be the difference in pressure and friction received by shape.
참고문헌 (7)
- 김기주, "자동차용 서브-프레임 사이드 멤버의 하이드로포밍 가공 시뮬레이션", 한국기계기술학회지, 20(1), pp.1~5 (2018), 한국기계기술학회[DOI]
- 목예주, "레인지 후드 성능 개선에 관한 연구", 한국기계기술학회지, 23(6), pp.1198~1293 (2021), 한국기계기술학회[DOI]
- J. M. Jung, "An Experimental Study on the Prediction and Measurement of Wind Quantity by the Aspect Ratios of Rectangular Ducts", ~ (1995)
- I. H. Ki, "A Study on the Performance of Noise Level and Airflow Amount of a Kitchen Hood by the Different Conditions of Airflow Path", 한국건축시공학회 학술발표대회 논문집, pp.11~14 (2007)
- C. H. Ki, "Noise Characteristics of Improved Sirocco Fan for Range Hood", 한국소음진동공학회 춘계학술대회논문집, pp.209~212 (2005)
- D. H. Ki, "Noise Reduction of a Range Hood using Micro-Perforated Panel", 한국소음진동공학회 2006년 춘계학술대회논문집, pp.1073~1076 (2006)
- B. K. Hon, "A Research on the Noise Reduction of Range Hood for Household", 한국소음진동공학회 학술대회논문집, pp.449~452 (2005)