불균일성이 있는 타이어의 모달 파라메타 연구

박상규,송상기 여수대학교 1998 論文集 Vol.13 No.2

The manufacturing process is very complicated work. It remains nonuniformity in its manufactured goods. Nonuniformity has a bed effect on the stability and the vibration noise of passenger car in driving. Especially according to the high-speed and light-weight of a vehicle, nonuniformity of tire is more and more important. This paper investigated the influence of tire uniformity on tire's modal parameters with the method of experimental modal analysis. The study shows evident interrelatiion of experimental modal parameters and tire nonuniformity.

진로지도 및 상담을 위한 대상 집단의 지각태도 분석

이규성 신라대학교 교육과학연구소 2004 교육과학연구 Vol.- No.9

赤外線 體熱 診斷器를 利用한 心下部諸症의 分類

安圭錫,石聖化 대한동의병리학회 1993 동의생리병리학회지 Vol.8 No.-

연구배경 : 적외선체열진단기는 赤外線의 형태로 인체에서 방출되는 열에너지를 測定하여 病的 異常을 판단하는 진단장비이다. 따라서 한열의 변화를 동반하는 질환이 있을 경우 병증의 양상과 크기 및 열의 성질을 판별할 수 있다. 한의학의 경락이론에 의하면 內裏에 발생한 질환은 반드시 경락계통을 따라서 밖으로 드러나게 되어 있으므로, 인체 내부의 이상상태를 가시적 영상으로 포착하여 인체의 질병양태를 관찰하기 위하여 이에 대한 연구를 하게 되었다. 방법 : 본한의원에 내원한 환자 중 심하비에 정상과 다른 소견을 보인 경우에 심하비와 유관한 경우를 골라 연구대상으로 삼았다. 測定은 안부와 흉복부의 映像을 얻기 위하여 이마에서부터 치골연접면에 이르기까지 완전히 노출시킨 다음 25℃를 유지하는 원내에 20분 이상 적응시킨 후 22-23℃를 유지하는 촬영실에서 5분간 적응 시킨다음 촬영하였고 이의 온도분포를 분석하여 心下諸症의 성질을 변증하였다. 결과 : 상하에 발생하는 諸症候에 대하여 병인병기의 湯證을 心下諸症에 대하여 가장 상세하게 설명하고 있는 傷寒論을 중심으로 살펴본 결과 허실수열기의 5가지로 요약할 수 있으며 이 요인들은 독립적으로 발생하는 것이 아니라 대개 두가지 이상의 증이 결합하여 발생하여 心下諸症은 기전상 허든 실이든 열을 동반함을 알 수 있다. 결론 : 心下諸症의 보조진단에 赤外線 體熱映像診斷器를 적절히 이용하면 많은 도움이 될 것으로 판단된다.

분무특성에 미치는 난류모델의 영향

박상규 麗水水産大學校 産業技術硏究所 1996 産業基術硏究所 論文集 Vol.5 No.-

In this study, the numerical simulations of the spray characteristics within the combustion chamber of direct injection diesel engine were performed to examine the applicability of turbulence model. The turbulence models used were the RNG model and the modified ?? model which included the compressiblity effect due to the compression/expansion of the piston. The spray model was based on the stochastic particle technique and accounted for droplet breakup, collision and coalescence, evaporation and the turbulence interactions with the gas phase. The finite volume method was employed to discretize the governing equation of the gas phase and Euler implicit algorithm was utilized to discretize the Lagrangian equation of the liquid phase. The PISO algorithm which strengthened the velocity-pressure coupling was used and the SIP method was used as a matrix solver. The predicted results in the quiescent condition showed reasonable trends comparing with experimental data. The application of the RNG model seemed to have some potential for the simulations of the spray characteristics over the ?? model.

1980學年度 新入生 實態調査 硏究

李揆成 新羅大學校 1981 論文集 Vol.10 No.-

The present study aims to investigate the current status and characteristics of 1980 freshmen of Busan women's University(BWU), and also to find out what problems the BWU freshmen have begining their four year academic lives. To achive mentioned aims, questionair method was applyed to this study. The questionair included items on their personal and family backgrounds, interpersonal relationships, high school backgrounds, major choice in the forthcoming college life, and altitudes toward several issues, etc. The questionair was performed to all BWU freshmen during the orientation period from March 8 to 12, 1980. The results of this study can be summerized as follow; 1) The freshmen of BWU come from 93 girl's high schools all over country. 2) About 67.12% of the freshmen finished highschool this year, about 25.78% in '79 and about 4,9% in'78 or even earlier. 3) Most of them live in their own houses but there are some students who live in their relatives' houses or live by themselves. All of of them come to school by bus except those who can walk to school. 4) Most of them have been brought up in Busan and KyungNam area. 5) About 52.62% of the freshmen have visual power of 0.8, about 17.46% even worse sight 0.1 to 0,2. 6) What motived them to choose BWU was the judgement that this university fit well the level of their aspirations and academic abilities. 7) The areas expected to achive the forthcoming college life are to enhance the level of their cultures, career plannings, personality and socil adjustment, developments academic pursuits, etc. 8) Most of them indicated that the most serious psychological problem facing them how to adjust to the new environment and the next is how to develop study methodologies. 9) Most of them did not know much about BWU they determinid to take the latter entrance examination. 10) Most of them are fully satisfied with the fact that they are attending at BWU and they feel satisfied with their majors and departments. 11) The influenceing sources in their choice of BWU were mascom, friends and elders, highschool teachers and others.

초음파를 이용한 표재성 신경초종의 분석 : 초음파기기 주파수 및 종양의 변성이 후방음파증강에 미치는 영향 The Influence of Sonographic Frequency and the Degenerative Change of Tumor on the Posterior Acoustic Enhancement

차상훈,설혜영,정규병 고려대학교 의과대학 1994 고려대 의대 잡지 Vol.31 No.2

We retrospectively analyzed the sonographic findings of 18 pathologically proven superficial neurilemmomas in 17 patients during recent 5 years. We evaluated the contuor, size and internal echo pattern of the tumor, the presence of tumor capsule, and the degree of acoustic enhancement behind the tumor. We correlated the posterior acoustic enhancement with the pathologic features. Eighteen tumors showed oval or round in contuor and 9 tumors revealed hypoechoic pattern, 3 tumors revealed homogenously echogenic pattern and 6 tumors revealed heterogenously echogenic pattern. Sixteen tumors showed the capsule of tumor. Fourteen tumors showed posterior acoustic enhancement. Grade Ⅰ posterior acoustic enhancements were noted at 10 MHz transducer examination only and Grade Ⅱ posterior acoustic enhancements were noted at 5 MHz or 7.5 MHz tranducer examination. No definite correlation between hemorrhagic or cystic degenerations of superficial neurilemmomas and Grade Ⅱ posterior acoustic enhancements were noted. The mean size of hypoechoic superficial neurilemmoma was smallest and that of heterogenously echogenic superficial neurilemmoma was largest. We conclude that sonographic exammination was useful for evaluation of superficial neurilemmoma.

분사각에 따른 크리스탈 제조 후드 내의 유동장 해석

박상규 여수대학교 산업기술지역개발연구소 2001 産業基術硏究所 論文集 Vol.10 No.-

In case of crystal manufacturing, the quartz powder leaked out interior area is attacked to interior wall, machinery and filter by solidified quartz. To compare exhaust hood system with bet-assisted hood system for thermal and fluid characteristics is performed by numerical analysis. Test model is composed of three exhaust outlet, two supply inlet and jet nozzle. In result, double jet-assisted hood system is more effective than exhaust system for air leakage and exhaust effect.

모형을 이용한 미호천 유역의 하천수질 예측

정상만,박정규,박영기,김이형 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3

The QUAL2E and Box-Jenkins time series model were applied to the Miho river, a main tributary of the Geum river, to predict water quality. The models are widely used to predict water quality in rivers and watersheds because of its accuracy. As results of the study, we concluded as follows: Pollutant loadings in upper stream of Miho river were determined to 57,811 ㎏BOD/d, 19,350 ㎏TN/d, and 5,013 ㎏TP/d. The loading of TN in Mushim river was 19,450 ㎏TN/d, respectively. As the mass loadings were compared with pollutant sources, it concluded that the farming livestock contributed highly to mass emissions of BOD and TP and the population contributed to TN mass loading. The observed water quality values were applied to the models to verify and the models were used to predict the water quality. The QUAL2E Model predicted the concentrations of DO, BOD, TN and TP with high accuracy, but not for E-Coli. The Box-Jenkins time series model also showed high prediction for DO, BOD and TN. However, the concentrations of TP and E-Coli were poorly predicted. The result shows that the QUAL2E model is more applicable in Miho basin for prediction of water quality compared to Box-Jenkins time series model.

고관절수술후 적혈구침강속도의 변화

노성만,송은규 全南大醫大 1985 전남의대학술지 Vol.22 No.4

비구 골절의 보존적 치료

송은규,노성만,전철홍 全南大醫大 1987 전남의대학술지 Vol.24 No.2