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박문용(Moon Yong Park),이우수(Woo Su Lee),이승수(Seung Soo Lee),Xuan Quang Duong,정재동(Jae Dong Chung) 대한설비공학회 2021 설비공학 논문집 Vol.33 No.6
Various methods are being studied to meet the demand for heat energy for cooling and heating. Energy utilization methods using adsorption and desorption have the advantage of being eco-friendly and have been actively studied recently. In particular, they have a higher energy density than storage system using sensible heat or phase change of water. In addition, research is being conducted regarding energy storage with small energy loss, despite long-term storage. However, driving conditions and performances are different depending on the adsorption pair and necessitate further investigation before commercialization. Although studies on the components and shapes of adsorption beds have been actively conducted worldwide, research focusing on the outlet temperature of hot water discharged from the storage system is still insufficient. Therefore, in this study, we identified how various driving conditions of the system affect the effective energy density and outlet temperature of the bed. Our findings revealed that the effective energy density and outlet temperature of the bed were higher since the evaporator temperature and inlet temperature were higher and the flow rate was lower. In addition, in case of same flow rate, the results in series conditions were better than in parallel.
장태규(Tae-Gyu Jang),김기인(Ki-In Kim),이우수(Woo-Soo Lee),길병래(Byung-Rae Kil),김정렬(Jeong-Ryul Kim) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
Engineering design is not easy to developing a new product in order to a customer requirements. The reason is why engineer have to prepare a lot of engineering data and a design reference to designing it. Finding out the design specification, design rules and selecting pertinent materials. Actually engineer have to spend a lot of time in none actual design work. This paper is focused on the design automation for the hydraulically pressed coupling design process, with a IT(Information Technology), for example standardize a material database and design rules, integrate design software and produce a detail product drawing.
장태규(Tae-Gyu Jang),김기인(Ki-In Kim),이우수(Woo-Soo Lee),길병래(Byung-Rae Kil),김정렬(Jeong-Ryul Kim) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
Engineering design is not easy to developing a new product in order to a customer requirements. The reason is why engineer have to prepare a lot of engineering data and a design reference to designing it. Finding out the design specification, design rules and select ing pertinent materials. Actually engineer have to spend a lot of time in none actual design work. This paper is focused on the design automat ion for the hydraulically pressed coupling design process, with a IT (Information Technology), for example standardize a material database and design rules, integrate design software and produce a detail product drawing.
저소음 대형 캐비테이션 터널의 임펠러 축계시스템 구조설계에 관한 연구
전동춘(DONG CHUN JEON),김기인(KI IN KIM),황종석(JONG SEOK HWANG),김정렬(JEONG RYUL KIM),이우수(WOO SOO LEE) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.4
This thesis is focused on the comparison between Numerical Calculation and FEM Analysis by ANSYS by software for Impeller Shafting System of Low Noise Large Cavitation Tunnel. The impeller shafting system are considered buoyancy effect to influence driving shaft in the water that reason why the shaft diameter 800㎜ above. The shafting are arranged two solid shafts at forward end, three hallow shafts in the water and one hallow shaft on the tail. The bearings are arranged one self aligned journal bearing on the tail shaft and one axial thrust with two journal bearings on the motor shaft. The strength calculation was done by MathCAD.