[1]侯娜娜,李树谦,张 东,等.微细通道内过冷水温度对蒸汽直接接触间歇凝结界面波动的影响研究[J].南京师大学报(自然科学版),2022,(01):22-31.[doi:10.3969/j.issn.1001-4616.2022.01.005]
 Hou Nana,Li Shuqian,Zhang Dong,et al.Study of Sub-cooled Water Temperature on the Interface Wave for Direct Contact Condensation in a Micro Channel[J].Journal of Nanjing Normal University(Natural Science Edition),2022,(01):22-31.[doi:10.3969/j.issn.1001-4616.2022.01.005]
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微细通道内过冷水温度对蒸汽直接接触间歇凝结界面波动的影响研究()
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《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

卷:
期数:
2022年01期
页码:
22-31
栏目:
·物理学·
出版日期:
2022-03-15

文章信息/Info

Title:
Study of Sub-cooled Water Temperature on the Interface Wave for Direct Contact Condensation in a Micro Channel
文章编号:
1001-4616(2022)01-0022-10
作者:
侯娜娜134李树谦134张 东2张强武2马坤茹2
(1.河北水利电力学院土木工程学院,河北 沧州 061001)(2.河北科技大学建筑工程学院,河北 石家庄 050018)(3.河北省数据中心相变热管理技术创新中心,河北 沧州 061001)(4.沧州市储热及低品位余热利用型电磁供热技术创新中心,河北 沧州 061001)
Author(s):
Hou Nana134Li Shuqian134Zhang Dong2Zhang Qiangwu2Ma Kunru2
(1.The Civil Engineering College,Hebei University of Water Resources and Electric Engineering,Cangzhou 061001,China)(2.The Construction Engineering College,Hebei University of Science and Technology,Shijiazhuang 050018,China)(3.Hebei Technology Innovation Center of Phase Change Thermal Management of Internet Data Center,Cangzhou 061001,China)(4.Cangzhou Technology Innovation Center of Thermal Storage and Low-grade Waste Heat Utilization of Electromagnetic Heating,Cangzhou 061001,China)
关键词:
T型微细通道间歇凝结过冷水温度“颈缩”“内爆”凝结频率
Keywords:
T-type micro channelchuggingsub-cooled water temperature“necking”“implosion”condensation frequencies
分类号:
TK124
DOI:
10.3969/j.issn.1001-4616.2022.01.005
文献标志码:
A
摘要:
为了探究过冷水温度对T型微细通道内蒸汽直接接触间歇凝结过程的影响,开展了可视化实验研究. 采用高速摄像机(帧率为5 000 fps)捕捉到了蒸汽温度100 ℃、蒸汽体积流量550 μL/min及过冷水体积流量 14 758 μL/min等参数恒定且过冷水温度分别为30 ℃、40 ℃和50 ℃工况下,1 000 ms内汽液界面瞬时演变行为. 研究发现,微细通道条件下蒸汽泡在间歇凝结过程中会相继发生多次“颈缩”和“内爆”现象,且随过冷水温度升高“内爆”后的汽液两相区面积逐渐增加; 此外,随过冷水温度的升高凝结频率总体减低,而1 000 ms内每个间歇凝结周期所需时间的变化趋势与该周期内的汽液两相区最大面积的变化趋势基本一致.
Abstract:
The visualization experiments were carried out in order to investigate the influence of sub-cooled water temperature on the chugging for steam direct condensation in a T-ype micro channel. Steam-water interface transient evolution process in 1000ms was obtained through a high-speed camera(5 000 fps),under the condition of steam temperature of 100 ℃,steam volume flow rate 550 μL/min,and sub-cooled water volume flow rate 14 758 μL/min with different sub-cooled water temperature(i.e. 30 ℃,40 ℃ and 50 ℃). The research indicates that there exists continually“necking”and“implosion”during steam bubble condensation in the micro channel. Additionally,steam-water two-phase areas after“implosion”increase,while the condensation frequencies decrease with the increase of sub-cooled water temperature. The changes of times which needed for each chugging period in 1 000 ms are generally consistent with the variation tendency of largest steam-water two-phase areas.

参考文献/References:

[1] GUPTA M K,KAUSHIK S C. Exergy analysis and investigation for various feed water heaters of direct steam generation solar-thermal power plant[J]. Renewable energy,2010,35(6):1228-1235.
[2]SHAH A,CHUGHTAI I R,INAYAT M H. Experimental and numerical investigation of the effect of mixing section length on direct-contact condensation in steam jet pump[J]. International journal of heat and mass transfer,2014,72:430-439.
[3]陈学俊. 气液两相流与传热基础[M]. 北京:科学出版社,1995.
[4]郭烈锦. 两相与多相流动力学[M]. 西安:西安交通大学出版社,2002.
[5]林宗虎. 能源动力中多相流热物理基础理论与技术研究[M]. 北京:中国电力出版社,2010.
[6]WANG W W,SU G H,QIU S Z,et al. Thermal hydraulic phenomena related to small break LOCAs in AP1000[J]. Progress in nuclear energy,2011,53(4):407-419.
[7]WITH A P D,CALAY R K,WITH G D. Three-dimensional condensation regime diagram for direct contact condensation of steam injected into water[J]. International journal of heat & mass transfer,2007,50:1762-1770.
[8]陈琦禺,徐强,郭烈锦,等. 垂直管内逆流蒸汽射流凝结流型特性分析[J]. 工程热物理学报,2019,40(3):573-578.
[9]叶书艳,徐强,郭烈锦,等. 基于压力特性的管内蒸汽射流凝结流型识别[J]. 工程热物理学报,2019,40(2):328-334.
[10]URBAN C,SCHLüTER M. Investigations on the stochastic nature of condensation induced water hammer[J]. International journal of multiphase flow,2014,67:1-9.
[11]HUJALA E,TANSKANEN V,RINEN J. Pattern recognition algorithm for analysis of chugging direct contact condensation[J]. Nuclear engineering and design,2018,332:202-212.
[12]ARINOBU M,SUZUKI I,SHIHO E,et al. uation of dynamic loads induced by chugging[J]. Journal of nuclear science and technology,1982,19(11):881-888.
[13]LI W C,WANG J J,SUN Z N,et al. Experimental investigation on thermal stratification induced by steam direct contact condensation with non-condensable gas[J]. Applied thermal engineering,2019,154:628-636.
[14]PUUSTINEN M,KOSKIAHO J,PELTONEN K. Influence of cultivation methods on suspended solids and phosphorus concentrations in surface runoff on clayey sloped fields in boreal climate[J]. Agriculture,ecosystems & environment,2005,105(4):565-579.
[15]GREGU G,TAKAHASHI M,PELLEGRINI M,et al. Experimental study on steam chugging phenomenon in a vertical sparger[J]. International journal of multiphase flow,2017,88:87-98.
[16]李树谦. T型圆管内蒸汽直接接触凝结的实验研究与数值模拟[D]. 北京:北京化工大学,2016.
[17]YANG F H,DAI X M,LI C. High frequency microbubble-switched oscillations modulated by microfluidic transistors[J]. Applied physics letters,2012,101(7):91-95.
[18]YANG F,DAI X,KUO C J,et al. Enhanced flow boiling in microchannels by self-sustained high frequency two-phase oscillations[J]. International journal of heat and mass transfer,2013,58:402-412.
[19]LI W M,YANG F H,ALAM T,et al. Experimental and theoretical studies of critical heat flux of flow boiling in microchannels with microbubble-excited high-frequency two-phase oscillations[J]. International journal of heat and mass transfer,2015,88:368-378.
[20]TONG Z H,LIU H T,LIU Y X,et al. A study on the dynamic behavior of macromolecular suspension flow in micro-channel under thermal gradient using energy-conserving dissipative particle dynamics simulation[J]. Microfluidics and nanofluidics,2020,24(5):1-11.
[21]JO H,JO D. Experimental studies of condensing vapor bubbles in subcooled pool water using visual and acoustic analysis methods[J]. Annals of nuclear energy,2017,110:171-185.
[22]STEINKE M E,KANDLIKAR S G. An Experimental investigation of flow boiling characteristics of water in parallel micro-channels[J]. Journal of heat transfer,2004,126(4):518-526.

备注/Memo

备注/Memo:
收稿日期:2020-11-18.
基金项目:国家自然科学基金项目(51976052)、河北省自然科学基金项目(E2020412176)、沧州市自然科学基金项目(197000004)、2020年河北省高等学校基本科研业务费研究项目.
通讯作者:李树谦,博士,副教授,研究方向:相变流动与传热研究. E-mail:lsqtcc@163.com
更新日期/Last Update: 1900-01-01