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朴魯參,崔倫榮 慶一大學校 1997 論文集 Vol.14 No.2
In this study, the intercept wall was presented in order to establish the plan to control stable water security effectively by the hydrological analysis and analyzing draw down of groundwater level using finite element method. The analysis of falling groundwater levels caused by the groundwater flow after 30 days in the construction site was performed. From the results of this anaysis, also the other analysis of falling groundwater levels after 30 days was performed in the case of setting up the flow interception wall with the height of 7-8meters at the upper area of the construction site. These two analyses were performed by three ways of explicit method, implicit method, and Crank-Nicolson method. In comparison of these three ways, explicit method & Crank-Nicolson method were discriminated as more proper to analyze falling groundwater levels.
朴魯參 慶一大學校 1993 論文集 Vol.9 No.1
In this paper, artificial samples which containe ABS of 2 mg/ℓare treated with Ozone. The experiments are performed with respect to Ozone injection rate of 0.55, 0.63, 0.75 mg/ℓ, and the samples are selected after 5, 10, 15 and 20 minutes. The results are as follows : 1. When contact time is 20 minutes, the removal effect of ABS by Ozone is 42~44% for upflow, and 94~95% for downflow. So downflow injection is prefer to upflow injection. 2. When in the ABS concentration of less than 2 mg/ℓ, Ozone 1 mg/ℓhas decomposed ABS of 1.13~1.52 mg/ℓfor upflow, and 2.55~3.42 mg/ℓ for downflow.
金三泰,盧載粲 麗水水産大學校産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
第一境堺値問題 (1) Δu(x)=f(x,u(x)) for x∈k, (2) D?u(x)-h(x,u(x))=f₁(x,u(x)) for x∈ ∂k,와 第二境堺値 問題 (1') Δ²u(x)=f(x,u(x)) for x∈k, (3) D?u(x)=f₂(x,u(x)) for x∈∂k, (4) D?Δu(x)+h(x,u(x)=f₃(x,u(x)) for x∈∂k, k={x: ⅠxⅠ 〈R}, R은 주어진 常數, x=(x₁, x₂, x₃), Δ는 E₃에서 Laplace 演算子이며 f, h, f₂, f₂, f₃는 주어진 函數임. Ball k에서 임의의 点 X 와 E₃에서 임의의 点 Y=(y₁, y₂, y₃)에서 範圍를 다음과 같이 定하였다. r²(x;Y)=∑³?=₁(Y?-X?)², ?={x: ⅠxⅠ ≤r}, D={x:0〈R₁〈 ⅠxⅠ ≤r}, D₁={(x,u):x∈D, u∈[ -r,r] }, D₂={(x,u):x∈k, u∈[ -r,r] }, ?₂={(x,u):x∈?, u∈[ -r,r] }. 定義 1에서는 不等式 ⅠuⅠ ≤r를 滿足하는 X에 대하여 모든 u(x)의 涵數類를 (A)라고 定義 하였으며 定義 2, 3에서도 같은 方法으로 (F)와 (H)를 각각 定義하였다. 定義 4에서는 G₁와 G₂에 대하여 Green 函數를 생각했다. 즉 G₁(x;y)=(4π)?[2r?(x;y)-R?1n(R+r(x;y)-r(0;x)cos a)], x≠y, G₂(x;y)=∫∫∫?G1(x;y)G₁(z;y)dz. 定義 1에서 函數 u₁, u₂가 class c²(k)∩c¹(?) 內에 存在하는 (BP-1) 問題의 해라고 하면 1?. D?f(x,u)≥0 for (x,u)∈?, 2?. D?h(x,u)≤0 for (x,u)∈? for (x,u)∈?이면 u₁≡u₂ for x∈?, 즉 평균치 定理와 一意性 定理를 利用해서 u₁와 n₂가 같음을 證明하였다. 定理 2에서는 函數 u, f, h는 각각 class (A), (F), (H)에 屬하고 函數 u₁, u₂가 c⁴(k)∩c³(?)內에 存在하는 (BP-2)의 解라고 하면 u₁≡u₂임을 보여 解가 一意的으로 存在함을 基本定理와 坪均値 定理를 利用하여 證明하였다.
金三泰,盧載粲 麗水水産大學校産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
分數 이데알의 類 中에서 因子라고 하는 重要한 部分類를 分類하여 그 性質을 조사 硏究하는 것은 重要한 일이다. 本 論文에서는 Krull 環의 因子에 關한 다음 두 定理를 證明하였다. (1) 零아닌 素이데알은 高度가 1일때만 因子가 된다. (2) 이데알이 因子가 될 必要充分條件은 그것이 高度가 1인 有限個의 準素이데알들의 交集合으로 나타내어진다.
朴魯參,李曾錫,長仁洙 慶一大學校 1987 論文集 Vol.3 No.1
The aim of this study is to improve the present methodology estimating the storage-yield-return period relationship for a reservoir design on a reservoir operation. Non-sequential mass curve method is reviewed and examined to calculate the reservoir storage-yield-return period-effective stage curve. The historical data are utilized to examine the reservoir storage capacity, those are monthly runoff data during 1917∼1940 at the Hong chun damsite.
朴魯參,李曾錫,安勝燮 慶一大學校 1993 論文集 Vol.9 No.1
This study has been aimmed at the development of the analytical model for the hydraulic characteristics of miter bend by Finite Element Method(FEM). In this study, velocity potential function is defined such that the negative of its derivative with to distance in any direction yields the velocity in that direction. Thus all practical flow must satisfy the Laplacian equation in terms of velocity potential function. Therefore, the Finite element method for the solution of the Laplace equation is presented. The proposed analytical technique which deal with the potential flow was applied to the bend-type pipe, and which was computed velocity compotent for the finite element mesh. From results of this study, the velocity modulus for elements of corner region indicates the flow perturbation.
金三泰,盧載粲 麗水水産大學校産業技術硏究所 1997 産業基術硏究所 論文集 Vol.6 No.-
本 論文에서는 代數幾何學에서 나타난 한 定理 즉 "아핀多樣體가 한 点에서 非特異일 必要充分條件은 그 点 近傍에서 正則函數들의 눈(芽)의 環이 Norther 局所環이다"를 線型寫像을 利用한 새로운 證明을 試圖하였다.
接觸材를 利用한 糞尿의 好氣性 消化에 있어서 窒素除去에 關한 硏究
朴魯參,李曾錫,徐正仁 慶一大學校 1987 論文集 Vol.3 No.1
Nitrogen removal is gathering strength as a major problem seriously in wastewater treatments. This study, therefore, was carried out in a semi-batch and in an aerobic digestion process by using contacting material (plasticnet) with night soil to contrast and analyse the efficienties of nitrofication and denitrofication, removal rate of T-N for three digestion tanks which were different in experiment condition. Briefly describing the digestion tanks erected for this research, they are stated below; a) A digestion tank was unsubmerged any material operated at air volume of mixed liquor 1ℓ air/min. b) B, C digestion tanks were submerged plastic net as a contacting material opereated at air volume of mixed of liquor 1ℓ per 1ℓair/min, 0.5L air/min. the result of this research indicated that over 98% T-N was removed for C digestion tank.