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작은보가 미시공된 철근콘크리트 구조물의 열화 성상에 관한 연구
한성필 ( Han Seong-pil ),안형준 ( Ahn Hyung-joon ) 한국구조물진단유지관리공학회 1997 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.1 No.1
The objective of this study is to investigate the R.C structure is omited beam. In the investigation items, there are the crack, the deflection, the size of member, the location of reinforcement etc. The struture in this study was carried out to observe the defect.
한성필(Sung-Phil Han),박태균(Tae-Gyoon Park),김내현(Nae-Hyun Kim),박형채(Hyung-Chae Park) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.11
Performance of the CO₂ slush maker operating with R-404A was experimentally investigated. The slush maker had three evaporator, and test was conducted at standard outdoor condition (32℃, 65 RH). The optimum refrigerant charge was obtained to be 400g. The time required for slush making was 53 minutes and the power consumption was 1.33 ㎾. The effect of the number of operating evaporators was also investigated. The slush making time and the power consumption increased as the number of operating evaporators increased.
한성필(S.-P. Han),박태균(T.-K. Park),김내현(N.-H. Kim) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
Thermal performance analysis was conducted for the cross-flow enthalpy heat exchanger. Appropriate heat transfer coefficient and friction factor equations for laminar channel flow were selected, and the heat exchanger was analyzed using the unmixed cross-flow ε-NTU relationship. It is shown that the simple approach reasonably predict the available heat transfer and the pressure drop data. Additional issues on the entrance length, fin efficiency, mass transfer through the membrane paper are discussed.
Graves 씨 병에서 Thyroglobulin 치의 의의
한현석(Hyeon Seok Han),한성필(Sung Pil Han),송민호(Min Ho Song),노흥규(Heung Kyu Ro) 대한내과학회 1987 대한내과학회지 Vol.33 No.5
N/A Serum thyroglobulin (Tg) levels were measured by radioimmunoassay in patients with Graves` disease before and after antithyroid drug therapy in an attempt to evaluate the clinical significance of the serum Tg. The result were as follows: 1) The serum Tg level in untreated patients (n=29) was 45.6±21ng/ml, which was significantly higher than that of normal controls (n=15), 9.2±3.2ng/ml. 2) The serum Tg levels in treated TRH-responsive patients (n=25) and in treated TRH-nonresponsive patients (n=29) were 18.5±10.7ng/ml, 25.2±12.9ng/ml respectively, which were significantly lower than that of untreated patients. The serum Tg level in TRH-responsive patients was significantly lower than that of TRH-nonresponsive patients. 3) There were no correlation between serum Tg level and serum T3 T4 or the duration of therapy. Above results suggest that serum Tg levels change according to the degree of activity of Graves disease and could be used as an index for evaluation of remission.
이현직(Lee Hyun-Jik),한성필(Han Seong-Pil),김상연(Kim Sang youn) 대한공간정보학회 2010 한국지형공간정보학회 학술대회 Vol.2010 No.3
본 연구에서는 환경분야 및 국토개발계획 수립을 위한 기초자료인 토지피복도의 건물 추출에 대한 실험을 수행하였다. LiDAR 데이터를 이용하여 제작한 격자 크기 1m의 DSM과 DEM을 이용하여 nDSM을 제작하고, 이를 참조 데이터로 건물 추출 실험을 수행하였다. 실험결과 영상만을 이용한 건물 추출에 비하여 영상에 LiDAR 데이터를 참조할 경우 높은 분류 정확도를 얻을 수 있었다.
혼합냉매 (R290/DME)를 사용하는 소프트 아이스크림 제조기 최적화
박태균(Park Tae-Gyun),한성필(Han Sung-Phil),신태룡(Shin Tae-Ryong),함정호(Ham Jung-Ho),김내현(Kim Nae-Hyun),박형채(Park Hyung-Chae) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.11
Drop-in tests were conducted using R290/DME (65:35) mixture in a ice-cream maker for possible replacement of R-502 and R-404A. At the standard room temperature (20℃), the time required for initial ice-cream making was 4’ 59” for R290/DME. The electric energy consumed was 439 kJ for R290/DME. The mass flow rate as well as the temperature and pressure data are also provided.