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보문 : 톱밥재배에 의한 자흑색불로초(Ganoderma neo-japonicum)의 자실체 발생
조우식 ( Woo Sik JO ),박하나 ( Ha Na Park ),박신혜 ( Shin Hye Park ),정희영 ( Hee Young Jung ),유영복 ( Young Bok Yoo ) 한국균학회 2010 韓國菌學會誌 Vol.38 No.2
Ganoderma neo-japonicum, which is also known as black lingshi mushroom and medicinal mushroom. Present experiments were conducted to determine the possibility of artificial culture with oak sawdust of G. neo-japonicum. The duration of mycelial growth and days of pinhead formation of oak sawdust bag (2.4 kg) were 28~35 days and 25~29 days, respectively. The yield of mushroom fresh fruitbody was 135~157 g.
트리핑 와이어를 사용한 평판에서의 열전달 특성에 관한 실험적 연구
조우식(Woo-Sik Jo),조웅선(Woong Sun Cho),유성연(Seong-Yeon Yoo) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
The purpose of this research is to investigate how boundary layer separation by the tripping wire installed in front of the flat plate affects the transition from laminar to turbulent, and consequently heat transfer. Naphthalene sublimation technique is used to measure the average and local heat transfer coefficients on the flat plate, and two boundary conditions of the developed and developing flow are considered to evaluate the effects of flow boundary. The heat transfer data from the flat plate with tripping wire is compared with those of flat plate without tripping wire. The variation trend of local heat transfer coefficients from the plate with and without tripping wire is similar each other in case of the developing flow, but quite different for the developed flow. Average Sherwood number on the flat plate with tripping wire is much higher than those of the flat plate without tripping wire due to boundary layer separation.