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광생물반응기의 CO<sub>2</sub> 공급 멤브레인의 최적 조건 도출을 위한 실험적 연구
김하늘,이재환,최은지,오유관,김정배,Kim, H.N.,Lee, J.H.,Choi, E.J.,Oh, Y.G.,Kim, Jeongbae 한국액체미립화학회 2014 한국액체미립화학회지 Vol.19 No.3
This study was performed to reveal the relationships between various gas supply conditions including inlet numbers and positions for Photobioreactor. To do that, this study was installed the experimental apparatus. All experiments were performed for the cases with 1, 2, 3, and 4 inlets and for gas flow rate of 4~8 lpm. Through the experiments, this study showed that the case with 3 or 4 inlets could reduce about 50% of the pressure loss head for all gas path than that of one inlet base case. So, these results can be used as basic data to design the gross or multiple photobioreactor.
광생물반응기의 CO2 공급 멤브레인의 최적 조건 도출을 위한 실험적 연구
김하늘 ( H N Kim ),이재환 ( J H Lee ),최은지 ( E J Choi ),오유관 ( Y G Oh ),김정배 ( Jeong Bae Kim ) 한국분무공학회 2014 한국액체미립화학회지 Vol.19 No.3
This study was performed to reveal the relationships between various gas supply conditions including inlet numbers and positions for Photobioreactor. To do that, this study was installed the experimental apparatus. All experiments were performed for the cases with 1, 2, 3, and 4 inlets and for gas flow rate of 4~8 lpm. Through the experiments, this study showed that the case with 3 or 4 inlets could reduce about 50% of the pressure loss head for all gas path than that of one inlet base case. So, these results can be used as basic data to design the gross or multiple photobioreactor.
배장웅(J.W.Bae),김하늘(H.N.Kim),이진욱(J.W.Lee),강건용(K.Y.Kang),류정인(J.I.Ryu) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
Future exhaust gas limits for diesel-driven passenger cars will force the automotive industry to significantly improve the performance of engine. Since modern common-rail injection systems deliver more degrees of freedom referring to the injection process, again the optimization of the injection process could offer a possibility to meet the exhaust gas limits. This study describes the characteristic the pilot spray structure of piezo-driven injector for a passenger car common-rail system to be applicable multiple injection caused by fast response rather than solenoid-driven injector. The piezo-driven injector is prototype injector with same needle chamber of solenoid injector and the solenoid-driven one is commercial injector. The pilot spray characteristic such as spray tip penetration, spray speed, spray angle were obtained by spray images, which is measured by the Mie scattering method with optical system for high-speed temporal photography. It was found that piezo-driven injector effected electric change as important factor and showed faster response than solenoid-driven injector.