CIESC Journal ›› 2020, Vol. 71 ›› Issue (3): 997-1008.DOI: 10.11949/0438-1157.20190630
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
Tingliang LI1,2,3,4,Jiwen CEN1,2,3,Wenbo HUANG1,2,3,Wenjiong CAO1,2,3,Fangming JIANG1,2,3()
Received:
2019-06-10
Revised:
2019-10-29
Online:
2020-03-05
Published:
2020-03-05
Contact:
Fangming JIANG
李庭樑1,2,3,4,岑继文1,2,3,黄文博1,2,3,曹文炅1,2,3,蒋方明1,2,3()
通讯作者:
蒋方明
基金资助:
CLC Number:
Tingliang LI, Jiwen CEN, Wenbo HUANG, Wenjiong CAO, Fangming JIANG. Experimental study on heat transfer performance of super long gravity heat pipe[J]. CIESC Journal, 2020, 71(3): 997-1008.
李庭樑, 岑继文, 黄文博, 曹文炅, 蒋方明. 超长重力热管传热性能实验研究[J]. 化工学报, 2020, 71(3): 997-1008.
充液量/ml | 积液深度/cm | 采出功率/W |
---|---|---|
200 | 88.2 | 460.4 |
300 | 132.2 | 474.8 |
400 | 176.4 | 499.8 |
600 | 264.5 | 451.9 |
800 | 352.6 | 446.6 |
1000 | 440.9 | 445.5 |
1300 | 573.0 | 434.9 |
1600 | 705.3 | 418.6 |
2500 | 1102.0 | 286.2 |
5000 | 2204.0 | 0 |
Table 1 Depth of filling water and production power at different liquid fillings (heating power is 600 W, cooling water flow rate is 5.5 ml/s)
充液量/ml | 积液深度/cm | 采出功率/W |
---|---|---|
200 | 88.2 | 460.4 |
300 | 132.2 | 474.8 |
400 | 176.4 | 499.8 |
600 | 264.5 | 451.9 |
800 | 352.6 | 446.6 |
1000 | 440.9 | 445.5 |
1300 | 573.0 | 434.9 |
1600 | 705.3 | 418.6 |
2500 | 1102.0 | 286.2 |
5000 | 2204.0 | 0 |
充液量/ml | 积液深度/cm | 静水压/kPa | 绝热段温度/℃ | 绝热段饱和蒸汽压力/kPa | 蒸发段总压力/kPa | 理论蒸发温度/℃ | 热管实际蒸发温度/℃ |
---|---|---|---|---|---|---|---|
200 | 88.2 | 8.8 | 53.2 | 14.5 | 23.3 | 63.4 | 68.2 |
300 | 132.2 | 13.2 | 50.8 | 12.9 | 26.1 | 65.9 | 66.8 |
400 | 176.4 | 17.6 | 51.4 | 13.2 | 30.9 | 69.8 | 71.8 |
600 | 264.5 | 26.5 | 50.9 | 12.9 | 39.3 | 75.5 | 74.7 |
800 | 352.6 | 35.3 | 51.3 | 13.2 | 48.5 | 80.5 | 81.5 |
1000 | 440.9 | 44.1 | 61.2 | 21.1 | 65.2 | 88.1 | 90.1 |
1300 | 573.0 | 57.3 | 50.4 | 12.6 | 69.9 | 89.9 | 90.8 |
1600 | 705.3 | 70.5 | 48.2 | 11.3 | 81.8 | 94.1 | 95.3 |
2500 | 1102 | 110.2 | 46.0 | 10.1 | 120.3 | 104.8 | 102.5 |
Table 2 Theoretical and actual evaporation temperature (heating power is 600 W, circulating flow rate is 5.5 ml/s)
充液量/ml | 积液深度/cm | 静水压/kPa | 绝热段温度/℃ | 绝热段饱和蒸汽压力/kPa | 蒸发段总压力/kPa | 理论蒸发温度/℃ | 热管实际蒸发温度/℃ |
---|---|---|---|---|---|---|---|
200 | 88.2 | 8.8 | 53.2 | 14.5 | 23.3 | 63.4 | 68.2 |
300 | 132.2 | 13.2 | 50.8 | 12.9 | 26.1 | 65.9 | 66.8 |
400 | 176.4 | 17.6 | 51.4 | 13.2 | 30.9 | 69.8 | 71.8 |
600 | 264.5 | 26.5 | 50.9 | 12.9 | 39.3 | 75.5 | 74.7 |
800 | 352.6 | 35.3 | 51.3 | 13.2 | 48.5 | 80.5 | 81.5 |
1000 | 440.9 | 44.1 | 61.2 | 21.1 | 65.2 | 88.1 | 90.1 |
1300 | 573.0 | 57.3 | 50.4 | 12.6 | 69.9 | 89.9 | 90.8 |
1600 | 705.3 | 70.5 | 48.2 | 11.3 | 81.8 | 94.1 | 95.3 |
2500 | 1102 | 110.2 | 46.0 | 10.1 | 120.3 | 104.8 | 102.5 |
Fig.9 Temperature of heat pipe changes with time when the heating power is 600 W (a) and heating power is stopped (b) (filling water volume is 5000 ml, cooling water flow rate is 5.5 ml/s)
Fig.11 Evaporation section temperature and adiabatic section temperature evolution with increasing cooling water flow rate (filling water volume is 400 ml, heating power is 800 W)
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