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이동상(移動床) 수리모형실험(水理模型實驗)에 있어서의 상사율(相似律)에 관한 연구(硏究)
민병형 ( Byung Hyung Min ) 東亞大學校附設 石堂傳統文化硏究院 1983 石堂論叢 Vol.7 No.-
In this study, the method to determine the values of both bed-sand scale and time scale of movable bed hydraulic model experiments on beach deformation has been proposed and the results of the experiments reveal the verification of similarity between the proto type and the model.
해안 잠재 수변공간 개발 대상지 선정에 관한 연구 - 기장군을 중심으로
민병형(Min Byung-hyung),김가현(Kim Ga-Hyun),유상호(Yu Sang-Ho),민상철(Min Sang-Chul),이승휘(Lee Seoung-Hwi) 동아대학교 해양자원연구소 2002 동아대학교 해양자원연구소 연구논문집 Vol.14 No.-
This study is to determin digging and development preferential ranking which is the potential area of seafront in Busan Kijanggun according to rise citizen of literary life and increase desire of culture life.<BR> Obtained results of this study are summarized as follows.<BR> 1. Decide to development preferential program that eight area selected from the potential area of seafront to position in Busan kijjanggun.<BR> 2. Appraisal standardⅠ decided to development preferential program which is Yunhwa gigu, Yonggung temple, Juksung estuary, Sirangdae, MunJung? Mundong harbor, Seoam harbor, Hoyamlee and Sinpyung harbor.<BR> 3. Appraisal standardⅡ decided to development preferential program which Yunhwa gigu, Yonggung temple, Juksung estuary, Hoyamlee and Sirangdae, Seoam harbor, Sinpyung harbor and MunJung?Mundong harbor get the same grade.<BR> 4. As a result of comparative appraisal standardⅠ,Ⅱ is that first~third program is equal but it was changed from fourth program.<BR> 5. When potential area in seafront appraised by Lee unit, appraisal standardⅠ is superior than appraisal standardⅡ.
海雲臺 海水浴場에 있어서의 養濱工法에 관한 實驗的 硏究
閔丙亨(Byung-Hyung Min),玉致律(Chi-Yul Ok),劉相昊(Sang-Ho Yu) 한국해양공학회 1987 韓國海洋工學會誌 Vol.1 No.1
A beach nourishment method can be used as one of the beach erosion protection methods which may keep coastal environments whithout constructing coastal structures on the HAE UN DAE beach.<br/> The beach nourishmens is affected by a natural condition and artificial condition; a natural condition includes conditions of bottom slope, diameter of bottom materials and waves, and artificial conditions include deposit position, method, diameter and quantity of the nourishing sand.<br/> It has been accomplished to obtain the deposit position and the best diameter of the nourishing sand from a two-dimensional hydraulic model test, which simulates the erosional HAE UN DAE beach.<br/> In this study, the protection of the beach erosion can be maximized when the nourishing sand of 3.3㎜ in diameter, which is about 5.5 times of the bottom materials in diameter, is deposited layerly in front of the breaker zone which has a water depth of 4.6m.
연안역 구조물 주위에서의 해빈류의 수치해석에 관한 연구
민병형(Byung-Hyung Min),이상화(Sang-Hwa Lee),김인철(In-Chul Kim) 한국해양공학회 1991 韓國海洋工學會誌 Vol.5 No.1
This study is to predict accurately the wave induced current accuring by the radiation stress which acts as the driving force around Nearshore structure.<br/> For the wave induced current, the depth integrated and time averaged governing equation of an unsteady nonlinear form is derived from the continuity and momentum equation of an incompressible fluid. Numerical solutions are obtained by a finite difference method for the governing equation.<br/> In the vicinity of a structure, computed flow patterns show good agreement with the hydraulic experimental data. The numerical results obtained by neglecting the convective term show a large change of alongshore and offshore current.
閔丙亨(Byung-Hyung Min),金佳鉉(Ka-Hyun Kim),金嘉也(Ga-Ya Kim),金震生(Jin-Saeng Kim) 한국해양공학회 1987 韓國海洋工學會誌 Vol.1 No.2
The object of this study is to investigate behaviors of beach fill replenished at three coasts of different configurations by analyzing successively measured beach profiles.<br/> The main results obtained in this study are summarized as follows;<br/> 1) The amount of nourishing sand moved in the longshore direction surpasses the amount of nourishing sand transported in the cross-shore direction regardless of shapes of the coasts and types of the structures.<br/> 2) A clear correlation between displacements of shoreline and changes of sectional areas can be found soon after the placement of beach fill in the fields. This implies that the deformation of the artificial nourishment and dissipation or remaining rate of nourishing sand can be predicated by the one-line theory.<br/> 3) The patterns of sediment movements in the artificially nourished beaches are clearly found by the analysis of empirical eignfunctions.
閔丙亨(Byung-Hyung Min),玉致律(Chi-Youl Ok),金佳鉉(Ga-Hyun Kim),崔道碩(Do-Seok Choi) 한국해양공학회 1988 韓國海洋工學會誌 Vol.2 No.1
A beach nourishment method can be used as one of the beach erosion protection methods which may keep coastal environments without constructing coastal structures on the beach. The beach nourishment is affected br a natural condition and an artificial condition; a natural condtion include conditions of bottom slope, diameter of bottom materials and wave, and an artificial condition include deposit position, method, diameter and quantity of the nourishing sand.<br/> To obtain and the best diameter of the nourishing sand a two-dimensional hydraulic model test, which simulates the erosional beach, has been accomplished.<br/> In this study the protection of the beach erosion can be maximized when the nourishing sand of 0.84㎜ in diameter, which is about 2.5~3.5 times of the natural bottom materials in diameter.
민병형(Byung-Hyung Min),민일규(Ill-Kyu Min),이동수(Dong-Soo Lee) 한국해양공학회 1994 韓國海洋工學會誌 Vol.8 No.1
In recent years Jin-ha Beach and Hyeya River mouth have experienced severe erosion phenomena. The cause of erosion is examined using a 3-dimensional numerical sediment transport model.<br/> The model is composed of three components : wave model, wave-induced current model and 3-dimensional sediment transport model.<br/> In the wave analysis component we consider refraction, diffraction and reflection based on Maruyama and Kajima method. For the wave-induced current model we use depth-integrated continuty equation and momentum equations. For the 3-dimensional sediment transport model we consider bed load and suspended load simutaneously.<br/> Model results obtained for Jin-ha Beach and Hyeya River mouth agreed well with experimental results.
홍도항의 방파제 배치에 따른 정온도에 관한 실험적 연구
민병형(Byung-hyung Min),민일규(ILL-kyu Min),박한기(Han-ki Park),이명우(Myung-Woo Lee) 동아대학교 해양자원연구소 1998 동아대학교 해양자원연구소 연구논문집 Vol.11 No.-
Through a study as hydraulic model test that applied a calmness test to the coast of Hongdo harbor as an optimal surface arrangement we could reach the following conclusion<BR> 1. In case of proposal 1, if an invaded wave is H<SUB>1/3</SUB> = 8.46m, T<SUB>1/3</SUB> = 13.0sec of an each wave direction the harbor calmness is as follows.<BR> The wave height ratio is about 0.6 at the entrance of a harbor 0.2~0.3 anchor area in general and the value under 0.1 when the wave(H<SUB>1/3</SUB>=2.0m) is invaded as usual.<BR> 2. The calmness effect is more favorable by breakwater extension as proposal 2 & 3, but if the high wave is assaulted the wave height ratio of anchor area is 0.1~0.2 owing to the diffraction wave at a SSE, SE direction.<BR> 3. In case of proposal 4 the harbor calmness is considerable satisfactory at all direction and the wave height ratio of harbor under 0.1 when the high wave is invaded.<BR> Thereafter, a study that analyze and compare with the hydraulic model test by numerical analysis about the problem of harbor calmness that a short period wave has superiority will be continued.
민병형(Byung-hyung Min),민일규(ILL-kyu Min),이정환(Jeong-Hwan Lee),김창동(Chang-dong Kim) 동아대학교 해양자원연구소 1998 동아대학교 해양자원연구소 연구논문집 Vol.11 No.-
The necessity of development of the Nearshore zone and land reclamation has greatly emphasis in resent years.<BR> In this study, I investigated on the overtopping in the frontside of the reclamation and distance from revetment when dredging operations.<BR> Obtained results are summarized as follows.<BR> 1. In the result of the wave deformation model application, a significant wave height is 1.0m at reclamation the front revetment.<BR> 2. Experiment result of revetment section overtopping is in the permitted range of HUKUDA.<BR> 3. In the purpose of decision safety of revetment, I have been discovered the highest effect at 25m~40m distance.