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Simulation Model of Integrated OTEC and Desalination Plant and Its Application
Syo Nakamura,Satoru Goto,Takenao Sugi,Yusuke Ikegami,Masatoshi Nakamura 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
Water and energy are indispensable for human life. Fossil fuels such as oil and coal are usually used for power generation. However, the environment impact of these thermal power generatio is releatively large. Moreover, the shortage of water caused by a population increaase and global warming also becoames serial problem. In dorder to solve these energy and water problems at the ame time, an integrated plant of ocean thermal energy conversion (OTEC) system and desalination system has been developed. In this research, a simulation model of the integrated OTEC and desalination plant was consturcted.
Coal Type Selection for Thermal Power Plants through Combustion State Estimation
Satoru GOTO,Shinji KATAFUCHI,Mitsuhiro SUEYOSHI,Toshihiko FURUE,Yoshitaka UCHIDA,Hironori HATAZAKI,Masatoshi NAKAMURA 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper, a coal type selection method for a coal fired boiler in a thermal power station is proposed. Combustion of coal and fusibility of fly ash are evaluated by using coal and fly ash properties. Combustion state in a coalfired boiler is estimated by the evaluated combustibility of coal and fusibility of fly ash. Applicable coal type is selected by the estimated combustion state. The proposed coal type selection method is evaluated by the data collected in an actual thermal power plant.
Review : Kinetics of Absorption of Hydrogen Sulfide Into Aqueous Fe(3) Solutions
( Satoru Asai ),( Hidemi Nakamura ),( Yasuhiro Konishi ) 한국화학공학회 1997 Korean Journal of Chemical Engineering Vol.14 No.5
In our recent studies, absorption of H₂S into the aqueous Fe₂(SO₄)₃and FeCl₃, solutions with various values of ionic strength and pH was investigated in an agitated vessel with a flat interface. The experimental results for both systems revealed that the species which reacts with H₂S is FeOH^(2+). The absorption rates were explained by the theory of gas absorption with an irreversible (1, 1)-th order reaction between H₂S and FeOH^(2+). The reaction rate constants were independent of the ionic strength of the solution and correlated as a function of temperature. In this paper, kinetics and mechanism of these absorption reactions are reviewed and the identity for both systems is emphasized.
A Method for Evaluating of Asymmetry on Cleft Lip Using Symmetry Plane
Satoru Sawada,Tohru Kamiya,Namiko Kimura-Nomoto,Takako Okawachi,Etsuro Nozoe,Norifumi Nakamura 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
Cleft lip is one of the most common morphological abnormalities that occur when the fetal lips are torn. Cleft lip is treated with multiple surgical procedures. However, there is a problem that the evaluation of surgical results depends on the subjectivity of doctors and the degree of symmetry is difficult to evaluate quantitatively. Therefore, as a previous study, a method for detecting and evaluating the plane of symmetry of the face with an asymmetric region was proposed, however, there remained a problem with the accuracy of separation of the asymmetry between patients and healthy subjects. In this paper, we propose an asymmetry evaluation method with high separation accuracy using the plane of symmetry of the face. The plane of symmetry used as the evaluation standard is obtained by adjusting the plane of symmetry of the entire face to the plane of symmetry of the surgical region. The asymmetry is evaluated by the evaluation index using the depth information with the plane of symmetry as the reference. By comparing the proposed method with the conventional method, the degree of separation of asymmetry between patients and healthy subjects was improved, and more useful results were obtained as an evaluation index.