Power Generation Technology ›› 2024, Vol. 45 ›› Issue (1): 79-89.DOI: 10.12096/j.2096-4528.pgt.22094
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Tao GUO1, Haiyang YU1, Haibo FENG2, Hanchuan YUAN2, Bing TIAN1, Yujie YANG3, Yuanbin ZHAO4, Qian ZHAO4
Received:
2023-09-13
Published:
2024-02-29
Online:
2024-02-29
Contact:
Yuanbin ZHAO
Supported by:
CLC Number:
Tao GUO, Haiyang YU, Haibo FENG, Hanchuan YUAN, Bing TIAN, Yujie YANG, Yuanbin ZHAO, Qian ZHAO. Experimental Study on the Influence of Air Side Equalizing Device on the Flow Heat Transfer Characteristics of Cooling Delta Unit[J]. Power Generation Technology, 2024, 45(1): 79-89.
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URL: https://www.pgtjournal.com/EN/10.12096/j.2096-4528.pgt.22094
测量参数 | 仪表 | 测量范围 | 测量精度 |
---|---|---|---|
环境风向 | WD4510风向传感器 | 0~360° | ±1° |
环境风速 | WD4510风速传感器 | 0~10 m/s | ±0.02 m/s |
环境风温 | 温度传感器 | -40~+80 ℃ | ±0.05 ℃ |
迎风风速 | 管道式风速仪 | 0~20 m/s | ±0.02 m/s |
迎风风温 | PT100探针式温度传感器 | -50~200 ℃ | ±0.1 ℃ |
迎风壁温 | PT100贴片贴片温度传感器 | -50~200 ℃ | ±0.1 ℃ |
Tab. 1 Experimental measurement parameters and instruments
测量参数 | 仪表 | 测量范围 | 测量精度 |
---|---|---|---|
环境风向 | WD4510风向传感器 | 0~360° | ±1° |
环境风速 | WD4510风速传感器 | 0~10 m/s | ±0.02 m/s |
环境风温 | 温度传感器 | -40~+80 ℃ | ±0.05 ℃ |
迎风风速 | 管道式风速仪 | 0~20 m/s | ±0.02 m/s |
迎风风温 | PT100探针式温度传感器 | -50~200 ℃ | ±0.1 ℃ |
迎风壁温 | PT100贴片贴片温度传感器 | -50~200 ℃ | ±0.1 ℃ |
冷却三角 | 测点迎风风速 | |||
---|---|---|---|---|
L-V1 | L-V2 | R-V1 | R-V2 | |
8号 | 2.31~4.86 | 1.57~3.45 | 1.65~3.77 | 1.37~5.36 |
9号 | 1.39~4.00 | 3.02~4.01 | 1.71~5.29 | 1.57~3.45 |
Tab. 2 Range of wind velocity in sector 3
冷却三角 | 测点迎风风速 | |||
---|---|---|---|---|
L-V1 | L-V2 | R-V1 | R-V2 | |
8号 | 2.31~4.86 | 1.57~3.45 | 1.65~3.77 | 1.37~5.36 |
9号 | 1.39~4.00 | 3.02~4.01 | 1.71~5.29 | 1.57~3.45 |
冷却三角 | 测点迎风风温 | |||
---|---|---|---|---|
L-V1 | L-V2 | R-V1 | R-V2 | |
8号 | 10.51~13.07 | 11.36~13.74 | 10.20~12.83 | 10.45~13.20 |
9号 | 10.20~12.95 | 12.22~14.84 | 8.49~11.18 | 11.18~13.93 |
Tab. 3 The range of wind temperature in sector 3
冷却三角 | 测点迎风风温 | |||
---|---|---|---|---|
L-V1 | L-V2 | R-V1 | R-V2 | |
8号 | 10.51~13.07 | 11.36~13.74 | 10.20~12.83 | 10.45~13.20 |
9号 | 10.20~12.95 | 12.22~14.84 | 8.49~11.18 | 11.18~13.93 |
位置 | 测点编号 | 8号冷却三角 | 9号冷却三角 |
---|---|---|---|
左侧冷却柱迎风壁温/℃ | L-T1 | 18.64~21.33 | 19.49~25.29 |
L-T2 | 18.52~20.96 | 17.72~20.78 | |
L-T3 | 16.44~19.19 | 17.60~20.47 | |
右侧冷却柱迎风壁温/℃ | R-T1 | 19.43~22.30 | 19.80~22.55 |
R-T2 | 18.82~21.45 | 18.52~20.96 | |
R-T3 | 17.85~20.59 | 16.44~19.19 |
Tab. 4 Range of windward wall temperature in sector 3
位置 | 测点编号 | 8号冷却三角 | 9号冷却三角 |
---|---|---|---|
左侧冷却柱迎风壁温/℃ | L-T1 | 18.64~21.33 | 19.49~25.29 |
L-T2 | 18.52~20.96 | 17.72~20.78 | |
L-T3 | 16.44~19.19 | 17.60~20.47 | |
右侧冷却柱迎风壁温/℃ | R-T1 | 19.43~22.30 | 19.80~22.55 |
R-T2 | 18.82~21.45 | 18.52~20.96 | |
R-T3 | 17.85~20.59 | 16.44~19.19 |
时间 | 1号出水柱壁温/℃ | 2号出水柱壁温/℃ | 环境风速/(m/s) | 环境温度/℃ | 环境风向/(°) |
---|---|---|---|---|---|
13:00 | 25.23 | 22.51 | 2.72 | -1.82 | 199.48 |
14:00 | 25.23 | 22.28 | 2.95 | -1.18 | 210.15 |
15:00 | 24.85 | 22.86 | 2.93 | -1.20 | 181.97 |
16:00 | 25.07 | 22.36 | 2.70 | -1.37 | 168.46 |
17:00 | 25.53 | 22.39 | 3.14 | -1.64 | 143.36 |
18:00 | 26.96 | 22.31 | 4.65 | -1.88 | 137.50 |
19:00 | 28.27 | 22.59 | 5.68 | -2.14 | 132.70 |
20:00 | 28.46 | 22.36 | 6.10 | -2.16 | 156.71 |
21:00 | 28.76 | 22.15 | 6.61 | -2.14 | 158.84 |
Tab. 5 Outlet wall temperature of 1 and 2 cooling delta in sector 11 and the data of the environment
时间 | 1号出水柱壁温/℃ | 2号出水柱壁温/℃ | 环境风速/(m/s) | 环境温度/℃ | 环境风向/(°) |
---|---|---|---|---|---|
13:00 | 25.23 | 22.51 | 2.72 | -1.82 | 199.48 |
14:00 | 25.23 | 22.28 | 2.95 | -1.18 | 210.15 |
15:00 | 24.85 | 22.86 | 2.93 | -1.20 | 181.97 |
16:00 | 25.07 | 22.36 | 2.70 | -1.37 | 168.46 |
17:00 | 25.53 | 22.39 | 3.14 | -1.64 | 143.36 |
18:00 | 26.96 | 22.31 | 4.65 | -1.88 | 137.50 |
19:00 | 28.27 | 22.59 | 5.68 | -2.14 | 132.70 |
20:00 | 28.46 | 22.36 | 6.10 | -2.16 | 156.71 |
21:00 | 28.76 | 22.15 | 6.61 | -2.14 | 158.84 |
时间 | 1号冷却三角 | 2号冷却三角 | ||||
---|---|---|---|---|---|---|
左侧 | 右侧 | 差值 | 左侧 | 右侧 | 差值 | |
13:00 | 25.34 | 25.12 | 0.22 | 22.64 | 22.38 | 0.26 |
14:00 | 25.29 | 25.17 | 0.12 | 22.33 | 22.23 | 0.11 |
15:00 | 24.70 | 25.00 | 0.30 | 21.66 | 22.07 | 0.42 |
16:00 | 25.03 | 25.11 | 0.08 | 22.32 | 22.41 | 0.09 |
17:00 | 25.43 | 25.62 | 0.19 | 22.31 | 22.47 | 0.16 |
18:00 | 26.86 | 27.06 | 0.21 | 22.26 | 22.36 | 0.11 |
19:00 | 28.38 | 28.15 | 0.23 | 22.65 | 22.53 | 0.12 |
20:00 | 28.84 | 28.09 | 0.75 | 22.68 | 22.04 | 0.65 |
21:00 | 28.90 | 28.63 | 0.27 | 22.39 | 21.91 | 0.48 |
Tab. 6 Single side outlet wall temperature of 1 and 2 cooling delta in sector 11
时间 | 1号冷却三角 | 2号冷却三角 | ||||
---|---|---|---|---|---|---|
左侧 | 右侧 | 差值 | 左侧 | 右侧 | 差值 | |
13:00 | 25.34 | 25.12 | 0.22 | 22.64 | 22.38 | 0.26 |
14:00 | 25.29 | 25.17 | 0.12 | 22.33 | 22.23 | 0.11 |
15:00 | 24.70 | 25.00 | 0.30 | 21.66 | 22.07 | 0.42 |
16:00 | 25.03 | 25.11 | 0.08 | 22.32 | 22.41 | 0.09 |
17:00 | 25.43 | 25.62 | 0.19 | 22.31 | 22.47 | 0.16 |
18:00 | 26.86 | 27.06 | 0.21 | 22.26 | 22.36 | 0.11 |
19:00 | 28.38 | 28.15 | 0.23 | 22.65 | 22.53 | 0.12 |
20:00 | 28.84 | 28.09 | 0.75 | 22.68 | 22.04 | 0.65 |
21:00 | 28.90 | 28.63 | 0.27 | 22.39 | 21.91 | 0.48 |
Fig. 16 Change trend of the outlet water column and the temperature water difference of the inlet and outlet water on both sides of the 1 and 2 cooling delta units
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