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권오붕,윤창현 대한기계학회 1982 大韓機械學會誌 Vol.22 No.5
메탄화-재생반응을 화학열파이프사이클에 이용할 때 장애요인의 하나인 탄소 석출 문제는 주어진 온도에 따라 초기 주입가스 몰비를 적절히 택함으로써 피할 수 있으며 초기 주입가스 CO량에 비해 $CO_{2}$량을 줄이고 $H_{2}$량을 과잉 공급하면 넓은 온도범위에서 탄소 석출을 막을 수 있다. 메탄화-재생반응을 이용한 열수송효율은 송전효율보다 다소 떨어지나 최종으로 필요한 에너지 형태가 열인 경우, 화학열파이프 시스템을 이용하는 것이 더 유리하다고 생각한다.
오차수정법을 도입한 비압축성 유체유동 해석을 위한 수치적 방법
권오붕,Gwon, O-Bung 대한기계학회 1997 大韓機械學會論文集B Vol.21 No.3
The characteristics of defect correction method are discussed in a sample heat conduction problem showing the numerical solution of the error correction equation can predict the error of the numerical solution of the original governing equation. A way of using defect correction method combined with the existing algorithm for the incompressible fluid flow, is proposed and subsequently tested for the driven square cavity problem. The error correction equations for the continuity equation and the momentum equations are considered to estimate the errors of the numerical solutions of the original governing equations. With this new approach, better velocity and pressure fields can be obtained by correcting the original numerical solutions using the estimated errors. These calculated errors also can be used to estimate the orders of magnitude of the errors of the original numerical solutions.
권오붕 釜山水産大學校 1985 釜山水産大學 硏究報告 Vol.25 No.1
The concept of available energy is taken into acucont in this analysis. The rational efficiencies of parallel-flow and counterflow in double-pipe heat exchanger, are obtained as a function of number-of-transfer unit ??, heat capacity ratio C, dimensionless temperatures ?? and ??. The efficiency of counterflow heat exchanger is higher than that of parallel-flow heat exchanger under the same condition. The larger the values of ?? and ?? are, the higher the efficiency of double-pipe heat exchanger becomes. The larger the values of C and ?? are, the lower the efficiency becomes.