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주파수영역 3차원 패널법을 이용한 항공기의 비정상 공력해석
김창희,조진수,염찬홍 대한기계학회 1994 대한기계학회논문집 Vol.18 No.7
Unsteady aerodynamic analysis of an aircraft is done using a frequency domian 3-D panel method. The method is based on an unsteady linear compressible lifting surface theory. The lifting surface is placed in a flight patch, and angle of attack and camber effects are implemented in upwash. Fuselage effects are not considered. The unsteady solutions of the code are validated by comparing with the solutions of a hybrid doublet lattice-doublet point method and a doublet point method for various wing configurations at subsonic and supersonic flow conditions. The calculated results of dynamic stability derivatives for aircraft are shown without comparision due to lack of available measured data or calculated results.
3-Channel Vaginal Ovoids의 선량분포 특성
김창희,윤상모,김성규,신세원,Kim Chang Hee,Yun Sang Mo,Kim Sung Kyu,Shin Sei One 한국의학물리학회 2004 의학물리 Vol.15 No.3
This study was aimed to develop a new ovoid applicator for vaginal high-dose rate intracavitary radiation therapy, evaluate uniformity of dose distribution, and assess clinical applicability. The authors evaluated dose uniformity of vaginal mucosa according to 5-different ovoid-separation using 2-channel and modified 3-channel ovoid applicator. There were no significant differences in the dose distribution along the vaginal mucosa with 2 and 2.5 cm separations, but there were between the 2-channel and 3-channel ovoid applicator with a separation of 3 cm or more. Although a low dose area was shown between two ovoid applicators with the 2-channel ovoid applicator, the dose distribution along the vaginal mucosa with the 3-channel ovoid applicator was very uniform.
김창희,이재서,Kim, Chang-Hee,Rhee, Chae-Seo 대한수면의학회 2004 수면·정신생리 Vol.11 No.1
Nasal congestion is one of the most common symptoms of medical complaints. Snoring is caused by vibration of the uvula and the soft palate. Nasal obstruction may contribute not only to snoring and obstructive sleep apnea (OSA) but also impair application of continuous nasal positive airway pressure (CPAP), which is the most widely employed treatment for OSA. Total or near-total nasal obstruction leads to mouth breathing and has been shown to cause increased airway resistance. However, the exact role of the nasal airway in the pathogenesis of OSA is not clear and there is no consensus about the role of nasal obstruction in snoring and sleep apnea. Some reports have failed to demonstrate any correlation between snoring and nasal obstruction. On the other hand, opposing reports suggest that nasal disease may cause sleep disorders and that snoring can be improved after nasoseptal surgery. Reduced cross-sectional area causes increased nasal resistance and predisposes the patient to inspiratory collapse of the oropharynx, hypopharynx, or both. Discrete abnormalities of the nasal airway, such as septal deformities, nasal polyps, and choanal atresia and with certain mucosal conditions such as sinusitis, allergic rhinitis and inferior turbinate hypertrophy can cause snoring or OSA. Thus, these sources of nasal obstruction should be corrected medically or surgically for the effective management of OSA and adjunctive for CPAP.
김창희,임병묵,박해모,정명수,황귀서,신용철,고성규,장보형,이해웅,이영준,신헌태,박선주,현민경,이상재,Kim, Changhee,Lim, Byungmook,Park, Haemo,Jung, Myungsu,Hwang, Guiseo,Shin, Yongchul,Go, Sunggyu,Jang, Bohyung,Lee, Haewoong,Lee, Youngjun,Shin, 대한예방한의학회 2015 대한예방한의학회지 Vol.19 No.1
Objective : This study aimed to develop a new category system of Yanseng(養生) for traditional Korean Medicine in order to prepare the ground for organizing the resources of Yangseng systematically. Method : We reviewed the existing medical books containing Yangseng contents. Based on the experts' consensus, we drew the new category system of Yangseng in consideration of a national trait of Korea and use of Yanseng in modern society. Results : First, We devided Yangseng category into two parts: methods and applications. Methods are divided into 5 parts: mind, diet, herb, Doinangyo(導引按蹻), life. A broad use of herbs in daily life is a national trait of Korea. Doinangyo contains relaxation methods like breathing, massages and exercises like Qigong and is also very popular way to maintain health in modern western society. Applications are divided into 6 parts: type of constitution, life cycle, seasons, type of symptoms and signs, type of Mibyung(未病) and diseases. We drew this 6 parts in consideration of use in the field of health care. Conclusion : The new category system of yangseng is based on existing theories and reflects Korean national trait and use of Yanseng in modern society. We hope this new category system play a role of foundation for organizing the resources of Yangseng systematically.
창의적 캡스톤 디자인을 활용한 팀 프로젝트수업 운영에 따른 학습만족도 및 이해도 변화에 관한 연구
김창희 (사)디지털산업정보학회 2017 디지털산업정보학회논문지 Vol.13 No.4
The purpose of this study is to investigate the change of comprehension degree about learning satisfaction and capstone class by applying the subject which draws idea for team project task in college to creative capstone design program. The Capstone Design Program is designed to train fieldworkers with creative problem solving skills and is widely applied as a problem-solving course in team-based projects. In this paper, based on the case study of the 'fusion capstone design' operated in the first semester of 2015 ~ 2017, the capstone design course was established in the course of designing ideas for problem solving. The results of this study are as follows: First, the questionnaire about capstone design instruction process, instruction method, and learning achievement satisfaction were analyzed. As a result, understanding of capstone design was found to be higher than that of class before class, and satisfaction of performance course, method of teaching performance and learning outcome were obtained.
간호대학생의 임상실습교육환경, 셀프리더십, 실습소속감이 간호전문직관에 미치는 영향
김창희,김정이 한국간호교육학회 2019 한국간호교육학회지 Vol.25 No.1
Purpose: This exploratory study aims to identify various factors influencing the level of nursing professionalism among nursing students. Methods: This study surveyed 246 senior nursing students in U city with a structured self-report questionnaire analyzed with SPSS 22.0. Results: The average scores for clinical practice learning environment, self-leadership, clinical practice belonging, and nursing professionalism were 3.16, 3.77, 3.53, and 3.60, respectively. There were significant differences in nursing professionalism according to the subjects' satisfaction with the nursing major and satisfaction with the amount of nursing. The most significant factors affecting nursing professionalism included clinical practice learning environment (β=.40, p<.001), self-leadership (β=.21, p=.001), and clinical practice belonging (β=.16, p=.011). These variables explained 39% of the total variance in nursing professionalism. Conclusion: Clinical practice learning environment, self-leadership, and clinical practice belonging are factors in the nursing professionalism of senior nursing students. Collaborative efforts by universities and clinics are needed to improve the clinical training environment and to produce good nurses. Particularly since few studies have been conducted in Korea on clinical practice belonging, it is meaningful to explore how clinical practice belonging affects nursing professionalism. 본 연구는 4학년 간호대학생의 임상실습교육환경, 셀프리더십, 실습소속감이 간호전문직관에 미치는 요인을 규명하기 위해 실시한 탐색적 조사연구이다. 본 연구 대상자인 간호학과 4학년 학생들의 일반적 특성에서 전공 만족도와 실습량 만족도가 높은 학생이 간호전문직관이 높음을 알 수 있었다. 이는 전공 적성을 고려해 입학한 학생이 아니라 하더라도 그들의 전공 만족도를 향상시켜 간호전문직관을 높여주는 것이 중요함을 시사하였다. 본 연구결과, 임상실습교육환경(β=.40), 셀프리더십(β=.21)과 실습소속감(β=.16)이 간호대학생의 간호전문직관에 유의한 영향을 주는 것으로 나타났다. 따라서 학과 차원에서는 학생들의 전공 만족도를 높일 수 있는 방안 마련과 임상실습교육환경에 대한 투자와 재평가를 통해 실습 교육의 질을 향상시키는 것이 중요하며, 더불어 임상실습 현장에서도 미래 간호사로서 학생들의 적응을 위한 지도 방법의 변화, 임상실습 교육간호사 육성의 필요성 인식과 학생지도를 위한 명확한 지침을 마련함으로써 학생들의 실습소속감을 향상시켜 주고, 학생들의 간호전문직관 형성에 일익을 담당하고자 하는 노력이 절실히 요구된다. 본 연구를 토대로 다음과 같이 제언한다. 대상자를 확대한 반복연구를 시행할 필요가 있으며 전공 만족도를 높이기 위한 프로그램과 효과검증 연구를 제안하며, 실습소속감 개념에 대해 한국 실정에 맞는 새로운 개념 분석이나 측정도구 개발 연구를 제언한다.

김창희,김혜숙,조혜성,이순옥,함형미,박미미 성인간호학회 2000 성인간호학회지 Vol.12 No.4
The purpose of this study was to examine the effect of preceptorship on On the Job Training of new nurses. The research design was a retrospective survey and one group pre-rost test design. The subjects were 49 entry nurses and 49 preceptors The data were collected from Feburary 1, 1998 to December 1, 1998. One questionnair applied in this study consisted of general characteristics, the responses of new entry nurses and their preceptors and their qualities. The other questionnair consisted of job satisfaction of new entry nurses and Preceptors and their competencies. The data were analyzed for frequencies, mean score, standard deviation, t-test, and ANOVA. The results of the study were as follows : 1) Preceptees's responses were that the nurses' affiliation of unit. cooperation of other nurses, and competencies of nursing skills improved after OJT applied preceptorship. 2) Preceptors's answers were that preceptorship had a positive effect on their continuing education. 3) While preceptees's job satisfaction scores were high in interaction, administration, and organization, they were low in autonomy and pay. 4) Pre-competency scores were the same as post-competency scores. 5) After preceptorship, preceptors responded that their nursing skill & communication competency increased, but their nursing administration competency decreased. 6) Finally, preceptorship's other effects were as follows: ① Checklists for preceptee education at the nursing unit were developed separately. ② It was proved that 'preceptor interview note' was effective on manage preceptorship. ③ We obtained duty orierlap periods, medical-surgical units-1 month. 5 ICU-2 months. operaction room-3 months ④ We prepared a preceptor program based on the study results.
스마트러닝 환경에서 모바일 콘텐츠가 학습자의 학습만족도에 미치는 영향
김창희 (사)디지털산업정보학회 2013 디지털산업정보학회논문지 Vol.9 No.4
Since the world entered the age called "Smart Revolution", there has also been a lot of changes in the field of education. In educational environment, there is a growing interest in smart learning based on mobile contents, with the development of Smart Devices and ubiquitous technology. This paper is about a research on what effects smart learning has on leaner side when learners make active use of mobile contents in this age of Smart Revolution. First, we embodied teaching plans for some practical classes in forms of mobile contents using M-bizmaker. After the learning process based on the embodied contents for students, we analyzed the survey results on 4 sections―their use of apps, screen composition, technical support, interactions. We also studied the results of a questionnaire on 4 sections―contents, information offering, feedback systems, learner assessment―to evaluate their satisfaction. The research suggests that learner satisfaction can be improved with smart learning based on mobile contents embodied for leaners.
김창희,Won Sug SHIN 한국해운물류학회 2019 The Asian journal of shipping and Logistics Vol.35 No.1
The efficiency of logistics innovation is a challenging task for logistics companies competing in rapid environmental changes. It is also essentially crucial for logistics companies to understand the importance of various sources of information to achieve innovation efficiently. Thus, this study measured the innovation efficiency of 72 logistics firms in South Korea by using ‘the sales’ as an output factor, and ‘the number of employees’ and ‘the innovative activity cost’ as an input factor. In particular, this study tested whether the distribution of measured innovation efficiency value differs in terms of the degree of consideration of higher education institutes and research and development (R & D) institutes as sources of information. To investigate the innovation efficiency of Korean logistics firms, we used a combined method of the input-oriented data envelopment analysis (DEA) with constant return to scale and Kruskal Wallis one-way ANOVA (analysis of variance) techniques. The findings in the study suggest that the logistics firms in Korea tend not to seriously consider higher education institutes and R & D institutes as crucial sources of information for achieving their logistics innovation. However, the results show that the innovation efficiency of logistics firms may be low if they completely exclude or do not consider the information sources for their innovation activities.