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현신우 ( Shinwoo Hyun ),황우성 ( Woosung Hwang ),유희진 ( Heejin You ),김광수 ( Kwang Soo Kim ) 한국농림기상학회 2021 한국농림기상학회지 Vol.23 No.1
The agricultural ecosystem is one of the major sources of greenhouse gas (GHG) emissions. In order to search for climate change adaptation options which mitigate GHG emissions while maintaining crop yield, it is advantageous to integrate multiple models at a high spatial resolution. The objective of this study was to develop a tool to support integrated assessment of climate change impact by coupling the D SSAT model and the D NDC model. DNDC Regional Input File Tool(DRIFT) was developed to prepare input data for the regional mode of DNDC model using input data and output data of the DSSAT model. In a case study, GHG emissions under the climate change conditions were simulated using the input data prepared by the D RIFT. The time to prepare the input data was increased by increasing the number of grid points. Most of the process took a relatively short time, while it took most of the time to convert the daily flood depth data of the DSSAT model to the flood period of the DNDC model. Still, processing a large amount of data would require a long time, which could be reduced by parallelizing some calculation processes. Expanding the DRIFT to other models would help reduce the time required to prepare input data for the models.
정재원(Chung ChaeWeon),황은경(Hwang EunKyung),황신우(Hwang ShinWoo) 대한종양간호학회 2009 Asian Oncology Nursing Vol.9 No.2
Purpose: The study was aimed to investigate the levels of marital intimacy and quality of life (QOL) among women with breast cancer. Methods: As a descriptive study, a total of 67 married women with breast cancer was recruited via convenient sampling from a breast clinic in an university hospital. A structured, self-reported questionnaire was administered to the participants. Results: The most participants were housewives in their 40s and 50s, and were in high socioeconomic status. Two thirds of women perceived the marital intimacy with their spouse were increased after the diagnosis of breast cancer. Women’s marital intimacy significantly differed by their levels of education. The level of cognitive intimacy was the highest among the subscales, whereas, sexual intimacy was the lowest. The family factor of QOL showed the highest score, and there were differences in QOL by employment status and cancer stage. The QOL and marital intimacy were not correlated significantly. Conclusion: Further research on the couples with breast cancer and intervention for increasing their marital intimacy are needed in the future.
스월-안정화 연소기에서 혼합기 공진모드가 동적 연소특성에 미치는 영향
한선우 ( Sunwoo Han ),이신우 ( Shinwoo Lee ),황동현 ( Donghyun Hwang ),안규복 ( Kyubok Ahn ) 한국분무공학회 2022 한국액체미립화학회지 Vol.27 No.1
Hot-firing tests were performed to experimentally confirm the effect of the eigenmode in the fuel-air mixing section on combustion instability by changing mixing section length, inlet mean velocity, equivalence ratio, and swirler geometry. A premixed gas composed of air and ethylene was supplied to the combustion chamber through an mixing section and an axial swirler. As the mixing section length increased, the inlet velocity perturbation decreased, but the combustion instability increased more. It was found that the resonance frequency of the first longitudinal mode in the mixing section shifted to the third longitudinal mode as the length of the mixing section increased. The results implied that the transition of the resonace frquency by changing the length of the mixing section might cause combustion instability.
김영란 ( Younglan Kim ),황신우 ( Shinwoo Hwang ) 한국보건정보통계학회(구 한국보건통계학회) 2018 보건정보통계학회지 Vol.43 No.4
Objectives: The purpose of this study was to test and validate a model to predict antenatal depression. Methods: Data were collected from a self-administered questionnaire of 251 pregnant women in D metropolitan city. Exogenous variables were self-esteem, social support, and high risk pregnancy. Endogenous variables consisted of pregnancy stress, pregnancy coping, and antenatal depression. Data were analyzed by SPSS 23.0 and AMOS 21.0. Results: Model fit indices for the hypotheoretical model fitted to the recommended levels. Out of 12 paths, 6 were statistically significant. Variables accounted for 72.6% of antenatal depression. Predictors of antenatal depression were pregnancy stress (t=7.64), self-esteem (t=-2.03), and social support (t=-2.06). Conclusions: Results indicate that an intervention program which increases self-esteem would be useful for pregnant women to decrease antenatal depression level. Antenatal program are needed to be applied to spouse and family members as well. To decrease pregnancy stress in pregnant women contributes to antenatal depression.
윤근호,심신우,황종수,Yun, Keunho,Shim, Shinwoo,Hwang, Jongsu 한국군사과학기술학회 2014 한국군사과학기술학회지 Vol.17 No.5
In the development of the weapon systems, utilization of Modeling & Simulation is growing in every aspect of development process. For the higher utilization of M&S, reuse of the M&S resources is needed to reduce the cost of M&S. I propose the M&S architecture framework that can enhance the reusability of the M&S resources in developing surface-to-air weapon systems. This M&S architecture design framework enables interoperability between the system and sub-systems. In this paper, the advantage and the necessity of the M&S architecture design framework will be described by introducing the cases that the M&S architecture framework reused in the combat experiments, the system development tests, the system operational tests and the concept developments in real projects. These cases will show the high reusability and efficiency of the M&S architecture design framework.