표제지
목차
Nomenclatures 8
Subscripts 9
Greeks 9
Abstract 10
제1장 서론 13
1.1. 연구배경 및 동향 13
1.2. 연구범위 및 목적 15
제2장 PIV 실험 17
2.1. 입자영상유속계(PIV) 개요 17
2.2. 실험 장치 19
2.3. 실험 조건 25
2.4. 영상처리 33
제3장 결과 및 고찰 35
3.1. 유동균일도 지수(Flow uniformity index) 35
3.2. 다공판 형상에 따른 정류효과 36
3.3. 다공판 설치 위치에 따른 정류효과 55
3.4. 유속에 따른 정류효과 67
제4장 결론 83
참고문헌 85
Table 2.2.1. Equipments Specification of PIV 23
Table 2.3.1. Type of Perforated Plate 31
Table 2.3.2. Velocity & Reynolds numbers for each case of flow rate 31
Table 2.3.3. Measuring condition of Equipments 32
Table 3.2.1. Cases of based on perforated plate grid type 38
Table 3.2.2. Flow uniformity based on perforated plate grid type 38
Table 3.3.1. Cases of based on perforated plate installation position 57
Table 3.3.2. Flow uniformity based on perforated plate installation position 57
Table 3.4.1. Cases of based on flow velocity 69
Table 3.4.2. Flow uniformity based on flow velocity 69
Fig. 2.1.1. Measuring principle of velocity vector in PIV 18
Fig. 2.2.1. Photo of circulating water chamber with accessories 21
Fig. 2.2.2. Photo of SLOC laser with cylindrical lens 21
Fig. 2.2.3. Photo of fast CAM-X 22
Fig. 2.2.4. Photo of filter out particles with strainer 22
Fig. 2.2.5. Schematic drawing of PIV system arrangement 24
Fig. 2.3.1. Schematic drawing of test devices 28
Fig. 2.3.2. Photo of flow visualization 30
Fig. 2.3.3. Photo of PIV system arrangement 30
Fig. 2.4.1. Processing procedure of PIV image 34
Fig. 3.2.1. Velocity vector distribution based on perforated... 39
Fig. 3.2.2. Velocity distribution of u-velocity vector based on... 42
Fig. 3.2.3. Velocity distribution of v-velocity vector based on... 45
Fig. 3.2.4. U-velocity vector distribution graph based on perforated... 48
Fig. 3.2.5. U-velocity vector distribution graph based on perforated... 51
Fig. 3.2.6. Bar graph of flow uniformity based on perforated... 54
Fig. 3.2.7. Bar graph of flow uniformity based on perforated... 54
Fig. 3.3.1. Velocity vector distribution based on perforated plate... 58
Fig. 3.3.2. Velocity distribution of u-velocity vector based on... 60
Fig. 3.3.3. U-velocity vector distribution graph... 62
Fig. 3.3.4. U-velocity vector distribution graph based on... 64
Fig. 3.3.5. Bar graph of flow uniformity based on perforated... 66
Fig. 3.3.6. Bar graph of flow uniformity based on perforated... 66
Fig. 3.4.1. Velocity vector distribution based on flow velocity 70
Fig. 3.4.2. Velocity distribution of u-velocity vector based on... 73
Fig. 3.4.3. U-velocity vector distribution graph based... 76
Fig. 3.4.4. U-velocity vector distribution graph... 79
Fig. 3.4.5. Bar graph of flow uniformity based on... 82
Fig. 3.4.6. Bar graph of flow uniformity based on... 82