구 자 용

(JAYONG KOO/具滋茸)

Office : Engineering Bldg.#1
Tel. : 02-6490-5460(FAX: 02-6490-5465)
Email : jykoo@uos.ac.kr

Educational Background

Jayong Koo received B.S. and M.S degrees from University of Seoul, Korea, in 1990 and 1992.
He received Ph.D. degree from TOKYO METROPOLITAN UNIVERSITY in 1997, respectably and His doctoral dissertation was Study on Short-term Water Demand Prediction in Urban Area.
since 1997, he has been a professor in Dept. of Environmental Engineering, University of Seoul , Seoul, Korea

Research Interest

Dr. Koo’s main area of research is Water and Wastewater system including engineering, operation, maintenance, water supply device.
He is currently working toward asset management of Water and Wastewater and development of Next water distribution network combined management system (G BEST) supported by Ministry of Environment.

Honors/Awards

Dr. Koo received a Seoul city mayor’s citation in 2001 and 2002, consecutively. In 2003, he was a awardee of the International Exchange Fund of Japan Society on Water Environment and received a Minister of the Environment citation in 2005.
In 2008, he received a lifetime achievement award from Korean Society Of Environmental Engineers and prime minister citation that is called proud water and wastewater people and paper award from Korean Society Of Water and Wastewater.
In 2010 and 2012, he was recipient of the presentation thesis from Korean Society On Water Environment and Korean Society Of Environmental Engineers.

Selected Publication

• (1)Koizumi A., Inakazu T., Koo J.Y., "Statistical Analysis of Water Demand Fluctuation in a City", Journal of Japan Water Works Association, Vol.65, No.5, pp.32-41, 1996
• (2)Koo J.Y., Koizumi A., Inakazu T., "Municipal Short-Term Water Demand Prediction and Distribution", Environmental System Research, Committee on Environmental Systems Japan Society of Civil Engineers, Vol.24, pp.47-54, 1996
• (3)Koo J.Y., "Seasonal Prediction Model for Urban Water Demand", Journal of Korea Water Works association, Vol.23, No.6, pp.36-46, 1996
• (4)Koizumi A., Inakazu T., Koo J.Y., Sakakibara Y., "Monthly Water Distribution Control Planning Model by Multiobjective Fuzzy Linear Programming", Journal of Japan Water Works Association, Vol.66, No.5, pp.2-9, 1997
• (5)Koo J.Y., Koizumi A., Inakazu T., "A Study on Daily Water Demand Prediction Model", Journal of The Korean Society of Water and Wastewater, Vol.11, No.1, pp.109-118, 1997
• (6)Koo J.Y., Koizumi A., Inakazu T., Arai Y., "An Analysis of Hourly Fluctuation of Supplied Water Consumption", Japan Civil Society, Environmental System Research, Vol.26, pp.685-692, 1998
• (7)Koizumi A., Inakazu T., Koo J.Y., Arai Y., Seasonal Model Analysis for Water Demand Forecasting", Journal of Japan Water Works Association Vol.68, No.9, pp.37-47 1999
• (8)Joo, C.N,, Koo, J.Y., Yu, M.J., "Application of Short-Term Water Demand Prediction Model to Seoul", Water Science and Technology : Water Supply, Vol.2, No,3-4, 2002
• (9)Yu, M.J., Cho, H.M., Koo, J.Y., Han, I.S., Gwon, E.M. and Oh, H.K., "Modifications of unit processes for finished water quality improvement at Kueui water treatment plant in Seoul", IWA Water Science and Technology : Water Supply, Vol.2, No.5-6, pp.193-199, 2002
• (10)Oh, H.K., Yu, M.J., Gwon, E.M., Koo, J.Y., Kim, S.G., Koizumi A,, "KNT-artificial neural network model for flux prediction of ultrafiltration membrane producing drinking water", Water science and technology : A Journal of the International Association on Water Pollution Research, Vol.50, No.8, pp.103-110, 2004
• (11)Ahn, J.C., Kim, Y.W., Lee, K.S., Koo, J.Y., "Residual chlorine management in water distribution systems using network modelling technicques : case study in Seoul city", Water Science and Technology : Water Supply, Vol.4, No,5-6, pp,421-430, 2005
• (12)Koo, J.Y., Yu, M.J., Kim, S.G., Shim, M.H., Koizumi A., "Estimating Regional Water Demand by Principal Component and Cluster Analysis in Seoul", Water Science and Technology : Water Supply, Vol.5, No1, pp.1-7, 2005
• (13)Ahn, J.C., Lee, S.W., Lee, G.S., Koo, J.Y., "Predicting Water Pipe Breaks Using Neural Network", Water Science and Technology : Water Supply, Vol.5, No.3-4, pp.159-172, 2005
• (14)Chung S.H., Lee, H.K., Yu, M.J., Koo, J.Y., Hyun, I.H., H.D. Lee, "Identification Of Key Local Factors Influencing Revenue Water Ratio Of Korean Cities Using -PCA-And Clustering Analysis", Water Science and Technology : Water Supply, Vol.5, No.3-4, pp.197-208, 2005
• (15)Lee, H.K., Chung, S.H., Yu, M.J., Koo, J.Y., Hyun, I.H., Lee, H.D., "Applicable Background Minimum Night Flow For Leakage Management Of Small District Metered Areas In Korea", Water Science and Technology : Water Supply, Vol.5, No.3-4, pp.181-188, 2005. 11
• (16)Kim, S.H., Koo, J.Y., "Impulse leakage analysis for series pipelines", IWA Publishing Journal of Water Supply : Research and Technology-AQUA 55.3, 2006
• (17)Kim, H.C., Yu M.J., Lee, S., Koo, J.Y., "Application of O3/GAC process for advanced and selective removal of natural organic matter from conventionally treated water", Water Science and Technology : Water Supply, Vol.6, No.2, pp.101-108, IWA Publishing, 2006
• (18)Park, G., Yu, M., Joe W.H., Kim, H., Koo, J.Y., "Oxidation of geosmin and MIB in water using O3/H2O2 : kinetic evaluation", Water Science and Technology : Water Supply Vol.6, No.2, pp.63-69, IWA Publishing, 2006
• (19)Choi, Y.S., Kim, J.G., Koo, J.Y., "A Galvanic Sensor for Monitoring the Corrosion Damage of Buried Pipelines : Part 3 Correlation of Probe Current to Cathodic Protection and Stray Current", Corrosion Vol.63, No.10 pp.951-957, 2007
• (20)Kim, S.G., Koo, J.Y., Kim, Y.H., Choi, Y.J., "Optimization of pumping schedule based on forecasting the hourly water demand in Seoul", Water Science and Technology : Water Supply, Vol.7, No.5-6, pp.85-93, IWA Publishing, 2007
• (21)Kim, S.G., Koo, J.Y., Choi, T.Y., Koizumi, A. "Assessment of wastewater utilities and priority determination of budget allocation using performance indicators in Korean", Water Science and Technology : Water Supply, Vol.7, No.5-6, pp.119-129, IWA Publishing, 2007
• (22)Shin, J.E., Jang, M.J., Koo, J.Y., Ahn, S.K., Yu, M.J., "Variation of biofilm formation on distribution pipe depending on water treatment processes and pipe materials", Water Science and Technology : Water Supply, Vol.7, No.4, pp.25-35, IWA Publishing, 2007
• (23)Kim, S.H., Choi, S.H., Koo, J.Y., Choi, S.I., Hyun, I.H., "Trend analysis of domestic water consumption depending upon social, cultural, economic parameters", Water Science and Technology, Vol.7, No.5-6, pp.61-68, IWA Publishing, 2007
• (24)Koo, J.Y,, Inakazu T., Koizumi A., Arai Y., Kim, K.P., Ahn, J.C., "Application of Artificial Neural Network for Reducing of Chlorine Residual Concentration in Water Distribution Network", Water Practice and Technology, Vol.3, No.2, 2008
• (25)Arai Y., Koizumi A., Inakazu T., Koo, J.Y., "Optimization model for water distribution network considering minimization of total replacement cost and stabilization of flow velocity in pipeline", Desalination and Water Treatment, Vol.2, 2009
• (26)Kim, K.P., Koo, J.Y., Kim, M.J., "Probability model for risks of burst water pipes: a case study in Seoul", Desalination and Water Treatment, Vol2, 2009
• (27)Lee, S.H., Kim. J.G., Koo, J.Y., “Investigation of pitting corrosion of a copper tube in a heating system", Engineering Failure Analysis, Vol.17, pp.1424-1435, 2010
• (28)Ahn, J.C., Lee, S.W., Choi, K.Y., Koo, J.Y., Jang, H.J., "Application of unidirectional flushing in water distribution pipes“, Journal of Water Supply, Vol.60, No.1, pp.40-50, 2011
• (29)Ahn, J.C., Lee, S.W., Choi K.Y., Koo, J.Y., "Application of EPANET for the determination of chlorine dose and prediction of THMs in a water distribution system", Sustainable Environment Research, Vol.22, No.1, pp.31-38, 2012
• (30)Kim, M.C., Inakazu T., Koizumi A., Koo, J.Y., "Estimation of Priority Rank of Water Pipeline Replacement through Risk Analysis", Journal of the Japan Society of Civil Engineers (Environment), Vol.69, No.6, ppⅡ343-350, 2013
• (31)Kim, M.C., Inakazu T., Koizumi A., Koo, J.Y., "A long term planing of water pipeline rehabilitation considering preventive maintenance", Journal of Water Supply : Research and Technology-AQUA, Vol.63, No.2, pp.131-138, 2014
• (32)Kim, H.J., Kim, S.H., Koo, J.Y., “Prediction of chlorine concentration in various hydraulic conditions for a pilot scale water distribution system”, Procedia Engineering, Vol.70, pp.934-942, 2014
• (33)Kim, K.B., Kim, M.H., Choi, S.I., Koo, J.Y., “A study on economic evaluation for pipeline renewal using contingent valuation method and forecasting pipeline burst”, Procedia Engineering, Vol.89, pp.870-877, 2014
• (34)Choi, T.H., Hyun I.H., Kim, D.I., Kim, M.C., Koo, J.Y., “A study on the water supply risk assessment and optimal design for new water distribution network” Procidia Engineering.
• (35)Kim, M.C., Choi, T.H., Kim, M.H., Han, S.S., Koo, J.Y., “Optimal operation efficiency and control of water pumps in multiple water reservoir system:case study in Korea”, Water Science & Technology : Water Supply, Vol.15, No.1, pp.59-65, 2015
• (36)Choi T.H.,, Kyunghwa Kang, Koo, J.Y., “Efficiency Evaluation of Leakage Management Using Data Envelopment Analysis in water distribution systems”, Journal – American Water Works Association, Vol.107, pp.E11-E11, 2015
• (37)Choi, T.H., Han, J.B., Koo, J.Y., “Decision method for rehabilitation priority of water distribution system using ELECTRE method”, Desalination and Water Treatment, Vol.53, Issue.9, pp.2369-2377, 2015
• (38)Choi, T.H., Hong, M.J., Kim, J.K., Koo, J.Y., “Efficient minimum night flow analysis using Bayesian inference”, Journal of Water Supply: Research and Technology-AQUA, Vol.64, No.1, pp.10-18, 2015
• (39)Choi, T.H., Koo, J.Y., “A water supply risk assessment model for water distribution network”, Desalination and Water Treatment, Vol.54, pp.1410-1420, 2015
• (40)Kim, H.J., Koo, J.Y., Kim, S.H., “A general framework of chlorine decay modeling at a pilot-scale water distribution system”, Journal of Water Supply: Research and Technology-AQUA, Vol.64, No.5, 2015
• (41)Seo, J.W., Koo, M.S., Kim, K.B., Koo, J.Y., “A Study on the Probability of Failure Model Based on the Safety Factor for Risk Assessment in a Water Supply Network”, Procedia Engineering 119, 206-215, 2015
• (42)Park, S.H., Koo, J.Y., “Application of Transfer Function ARIMA Modeling for the Sedimentation Process on Water Treatment Plant”, International Journal of Control and Automation, Vol.8, No.10, pp.135-144, 2015
• (43)Shin, H.S., Kobayashi K., Koo, J.Y., M. Do,, “Estimating burst probability of water pipelines with a competing hazard model”, Journal of Hydroinformatics, Vol.18, No.1, pp.126-135, 2016
• (44)Kim, K.B., Kim, M.C., Seo, J.W., Koo, J.Y., “Renewal prioritization of multi-regional water supply pipelines through water supply risk assessment”, Water Science & Technology: water supply, Vol.16, No.2, pp506-5
• (45)Shin, H.S., Joo, C.N., Koo, J.Y., “Optimal rehabilitation model for water pipeline systems with genetic algorithm”, Procedia Engineering, 154 (2016) 384-390
• (46)Hyung, J.S., Kim, K.B., Kim, M.C., Lee, I.S., Koo, J.Y., “ A study on prediction method for ozone dosage and residyal ozone concentration in advanced ozone water treatment”, water practice & technology Vol 12 No 1, IWA Publishing 2017
• (47)Choi T.H., Bae, C.H., Shin, H.S., Koo, J.Y., “ Optimal design of a new water distribution network using a water supply risk assessment ”, Desalination and Water Treatment, 65 (2017) 153–162