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신준수,박용걸 한국철도학회 2019 한국철도학회논문집 Vol.22 No.7
There are several perceptible causes of track irregularity for high-speed railroad maintenance. However,there is an indefinite defect spot where the cause of discontamination is unclear. This paper recognizes the necessityof research on this subject and tries to find its cause in speed and track alignment, which are related to train operation . We perform a precise survey on the causes of uncertainty to grasp the current track alignment shape, numerically analyzethe difference from the original design at the time of completion of the track, and compute the absolute alignmentby comparing it with the actual track constructed on site. This study will be able to improve the accuracy of repair workand contribute to ride comfort and stability of the train by inputting the optimal line specification value for leveling-liningin equipment work. By adding long-wavelength orbital linearity management to absolute linearity, it will be possibleto narrow the gap in the causes of trajectory discrepancy.
DDES를 사용한 이중연소 램제트 엔진의 통합 수치해석
신준수,문규환,성홍계,길현용 한국항공우주학회 2014 한국항공우주학회 학술발표회 논문집 Vol.2014 No.4
이중연소 램제트 엔진은 아음속 연소기와 초음속 연소기, 2 개의 연소기로 이루어져 있다. 따라서 하나의 엔진에 전체적으로 아음속인 연소기와 초음속인 연소기가 동시에 작동하기 때문에, 엔진 구성부품 사이에 상호간섭이 존재하게 된다. 본 연구에서는 이러한 이중램제트 엔진의 연소특성을 파악하기 위해 이중연소 램제트 엔진의 전 영역인 흡입구에서부터 연소실과 노즐까지 통합하여 비정상 연소수치해석을 수행하였다. 또한 하이브리드 기법인 Delayed Detached Eddy Simulation (DDES)을 사용하여 혼합 및 연소의 동적거동을 모사하였다. Dual Combustion Ramjet (DCR) has two combustors, subsonic and supersonic combustors in tandem. Thus, there is an interaction between engine module components because whole subsonic combustor and supersonic combustor are operating simultaneously in the single engine. In this study, unsteady numerical analysis of an entire DCR engine from intake through nozzle was conducted to identify combustion characteristics. Also, hybrid scheme, Delayed Detached Eddy Simulation (DDES) is implemented to the simulation for capturing dynamics of mixing and combustion.
신준수 한국체육정책학회 2011 한국체육정책학회지 Vol.9 No.2
The purpose of this research is to vitalize the domestic golf tourism industry based on academic resources, such as thesises, research and other statistics that can further improves the industry to attract foreign investment and develop as high potential industry. In this research, it will critically analyze the problems by evaluating current status of Golf Country Clubs in Choong Nam Province and further look for better solution, so that enables the steady development of Golf Tourism in Choong Buk where has similar climate and environmental condition like Jeju Island. As a result, this research will provide a few suggestions that could bring positive impacts on Golf Industry in Choong Chung Province. 1. Beautiful eco-friendly golf courses should be developed and constructed. Beautifully established Golf Courses have enough potential and strengths to attract Golf fans from both domestic and international perspectives. 2 .Government policy should encourage and allow constructing residential or accomodation within golf courses that can turn golf resort into eco-friendly recreational facility. 3. Golf Resort should be changed into family-centered resort, not only for golfers. 4. Country Clubs for professional golfers should be constructed 5. By holding famous domestic golf competitions or regular golf events, it is crucial to build impression that Choong Buk is the centre of Golf in Korea 6. In comparison with international golf tour, reasonable price of Green Fee and 36 holes of rounding with accomodation should be provided in domestic golf tour. 7. Differentiated prices depending on day, time and number of people should be applied. Also for golfers who do not have sufficient time to play in weekdays, 2 people play should be allowed and more flexible system to run night rounding is necessary.
신준수,박형섭,안을섭 한국체육정책학회 2010 한국체육정책학회지 Vol.8 No.2
The purpose of this research was to identify how the satisfaction of screen golf-driving range customers effects on the revisiting. To accomplish the purpose, 250 participants among screen golf-driving range customers were sampled by convenient sampling method. 229 sheets of questionnaires out of 250 sheets distributed excluding 29 questionnaires which were no-response and be responded improperly were selected by self-administration method. The cases were collected and analyzed to present descriptive statistics, reliability, and the results of one-way-ANOVA, multiple regression. Also a post-hoc test using Scheffe’s test was administered to examine the significance level. The results of the study showed that visitors with higher income tended to interested in coaches and staffs more. The participants usually tended to come along with friends and co-workers when they visited the screen golf driving range and be interested in facility. When they were asked why they played in screen golf, they frequently answered they want to make better use of leisure time and to improve their golf skills. The factors that influence their intention to revisit the screen golf driving range were their satisfaction with coach, facility, and the staff in the order named.
신준수,김경순,정기화,정춘식,고광호,박정일,허훈,김박광,Shin, Joon-Su,Kim, Kyoung-Soon,Jeong, Gi-Hwa,Cheong, Chun-Sik,Ko, Kwang-Ho,Park, Jeong-Hill,Huh, Hoon,Kim, Bak-Kwang 한국생약학회 1997 생약학회지 Vol.28 No.3
To elucidate antidiabetic activity of Lycii Fructus. The extract of the Lycii Fructus was subjected to bioactivity-guided fractionation. The extract of the Lycii Fructus was partitioned suceesively with hexane, dichloromethane, ethylacetate and butanol. The butanol fraction, which is most abundant in the Lycii Fructus was subjected to silica gel column chromatography and resulted in seven fractions namely Fr. I - Fr. VII. Among tested several subfractions, Fr IV. Showed the highest antidiabetic activity in the streptozotocin-induced model rat.