化工学报 ›› 2023, Vol. 74 ›› Issue (12): 4820-4828.DOI: 10.11949/0438-1157.20230861
收稿日期:
2023-08-21
修回日期:
2023-10-05
出版日期:
2023-12-25
发布日期:
2024-02-19
通讯作者:
怀英
作者简介:
李佳旭(1994—),女,博士研究生,lijiaxu@dicp.ac.cn
基金资助:
Jiaxu LI1,2(), Ying HUAI1(), Tingting LIU1, Yingchun LIU1
Received:
2023-08-21
Revised:
2023-10-05
Online:
2023-12-25
Published:
2024-02-19
Contact:
Ying HUAI
摘要:
缠绕管式换热器由于结构紧凑、换热效率高,在化工领域有广泛的应用,但其复杂性也为研究带来困难。利用mixture模型和相变模型构建了全三维尺度下的数值方法,实现了缠绕管式换热器壳程和管程流动、传热过程的计算。搭建了米级换热器实验及测试平台,建立了相应的全三维、同尺寸数值模型;采用Lee相间传质模型,实现了蒸发-冷凝模拟,获得换热器器件尺度传热系数和相变总量。计算的传热系数与实验测量值的相对误差为4.98%。基于所构建的全模型,数值研究了操作条件对传热特性和相变的影响,分析了换热段长度和缠绕管层数对传热性能的影响,为缠绕管式换热器的设计开发提供了数据和平台支持。
中图分类号:
李佳旭, 怀英, 刘婷婷, 刘应春. 缠绕管式换热器全模型研究[J]. 化工学报, 2023, 74(12): 4820-4828.
Jiaxu LI, Ying HUAI, Tingting LIU, Yingchun LIU. Study on the full model of spiral wound heat exchanger[J]. CIESC Journal, 2023, 74(12): 4820-4828.
层数 | N | ||
---|---|---|---|
1 | 37.5 | 14.3 | 4 |
2 | 51.0 | 15.7 | 6 |
3 | 64.5 | 14.5 | 7 |
4 | 78.0 | 15.4 | 9 |
5 | 91.5 | 14.6 | 10 |
6 | 105.0 | 15.3 | 12 |
表1 缠绕管式换热器详细结构参数
Table 1 Structural parameter of the spiral wound heat exchanger
层数 | N | ||
---|---|---|---|
1 | 37.5 | 14.3 | 4 |
2 | 51.0 | 15.7 | 6 |
3 | 64.5 | 14.5 | 7 |
4 | 78.0 | 15.4 | 9 |
5 | 91.5 | 14.6 | 10 |
6 | 105.0 | 15.3 | 12 |
参数 | 仪器 | 不确定度 |
---|---|---|
测量参数 | ||
缠绕管长l | 米尺 | ± 0.5 mm |
缠绕管外径 | 游标卡尺 | ±0.02 mm |
所有温度 | 温度传感器 | ± 0.01℃ |
空气流量 | 蒸汽流量计 | ±0.01 m3·h-1 |
水滴流量 | 电磁流量计 | ±0.01 m3·h-1 |
计算参数 | ||
换热量 | 0.00135% | |
有效传热面积 | 0.25% | |
对数平均温差 | 0.00223% | |
总传热系数 | 0.25% |
表2 参数的不确定性
Table 2 Uncertainties of parameters
参数 | 仪器 | 不确定度 |
---|---|---|
测量参数 | ||
缠绕管长l | 米尺 | ± 0.5 mm |
缠绕管外径 | 游标卡尺 | ±0.02 mm |
所有温度 | 温度传感器 | ± 0.01℃ |
空气流量 | 蒸汽流量计 | ±0.01 m3·h-1 |
水滴流量 | 电磁流量计 | ±0.01 m3·h-1 |
计算参数 | ||
换热量 | 0.00135% | |
有效传热面积 | 0.25% | |
对数平均温差 | 0.00223% | |
总传热系数 | 0.25% |
1 | Weikl M C, Braun K, Weiss J. Coil-wound heat exchangers for molten salt applications[J]. Energy Procedia, 2014, 49: 1054-1060. |
2 | Dehghan B B. Experimental and computational investigation of the spiral ground heat exchangers for ground source heat pump applications[J]. Applied Thermal Engineering, 2017, 121: 908-921. |
3 | Ren Y, Cai W H, Chen J, et al. The heat transfer characteristic of shell-side film flow in spiral wound heat exchanger under rolling working conditions[J]. Applied Thermal Engineering, 2018, 132: 233-244. |
4 | Wu J X, Liu S L, Wang M Q. Process calculation method and optimization of the spiral-wound heat exchanger with bilateral phase change[J]. Applied Thermal Engineering, 2018, 134: 360-368. |
5 | Wu J X, Tian Q H, Sun X Z, et al. Numerical simulation and experimental research on the comprehensive performance of the shell side of the spiral wound heat exchanger[J]. Applied Thermal Engineering, 2019, 163: 114381. |
6 | Niu X J, Luo S S, Fan L L, et al. Numerical simulation on the flow and heat transfer characteristics in the one-side heating helically coiled tubes[J]. Applied Thermal Engineering, 2016, 106: 579-587. |
7 | Neeraas B O, Fredheim A O, Aunan B. Experimental shell-side heat transfer and pressure drop in gas flow for spiral-wound LNG heat exchanger[J]. International Journal of Heat and Mass Transfer, 2004, 47(2): 353-361. |
8 | Neeraas B O, Fredheim A O, Aunan B. Experimental data and model for heat transfer, in liquid falling film flow on shell-side, for spiral-wound LNG heat exchanger[J]. International Journal of Heat and Mass Transfer, 2004, 47(14/15/16): 3565-3572. |
9 | Moawed M. Experimental study of forced convection from helical coiled tubes with different parameters[J]. Energy Conversion and Management, 2011, 52(2): 1150-1156. |
10 | Genić S B, Jaćimović B M, Jarić M S, et al. Research on the shell-side thermal performances of heat exchangers with helical tube coils[J]. International Journal of Heat and Mass Transfer, 2012, 55(15/16): 4295-4300. |
11 | Hwang K W, Kim D E, Yang K H, et al. Experimental study of flow boiling heat transfer and dryout characteristics at low mass flux in helically-coiled tubes[J]. Nuclear Engineering and Design, 2014, 273: 529-541. |
12 | Xu X X, Zhang Y D, Liu C, et al. Experimental investigation of heat transfer of supercritical CO2 cooled in helically coiled tubes based on exergy analysis[J]. International Journal of Refrigeration, 2018, 89: 177-185. |
13 | Wu J X, Wang L, Liu Y H. Research on film condensation heat transfer of the shell side of the spiral coil heat exchanger[J]. International Journal of Heat and Mass Transfer, 2018, 125: 1349-1355. |
14 | Hu H T, Ding C, Ding G L, et al. Heat transfer characteristics of two-phase mixed hydrocarbon refrigerants flow boiling in shell side of LNG spiral wound heat exchanger[J]. International Journal of Heat and Mass Transfer, 2019, 131: 611-622. |
15 | Vashisth S, Nigam K D P. Prediction of flow profiles and interfacial phenomena for two-phase flow in coiled tubes[J]. Chemical Engineering and Processing: Process Intensification, 2009, 48(1): 452-463. |
16 | Luo L C, Zhang G M, Pan J H, et al. Flow and heat transfer characteristics of falling water film on horizontal circular and non-circular cylinders[J]. Journal of Hydrodynamics, Ser. B, 2013, 25(3): 404-414. |
17 | 李剑锐,陈杰,浦晖,等. 绕管式换热器壳侧降膜流动和相变传热的数值模拟[J]. 化工学报, 2015, 66(S2): 40-49. |
Li J R, Chen J, Pu H, et al. Simulation of falling film flow and heat transfer at shell-side of coil-wound heat exchanger[J]. CIESC Journal, 2015, 66(S2): 40-49. | |
18 | Wu Z Y, Wang H, Cai W H, et al. Numerical investigation of boiling heat transfer on the shell-side of spiral wound heat exchanger[J]. Heat and Mass Transfer, 2016, 52(9): 1973-1982. |
19 | Ren Y, Jiang Y Q, Cai W H, et al. Numerical study on shell-side saturated boiling heat transfer in spiral wound heat exchanger[J]. Applied Thermal Engineering, 2018, 140: 657-670. |
20 | Wang S M, Jian G P, Xiao J A, et al. Fluid-thermal-structural analysis and structural optimization of spiral-wound heat exchanger[J]. International Communications in Heat and Mass Transfer, 2018, 95: 42-52. |
21 | Wang S M, Jian G P, Wang J R, et al. Application of entransy-dissipation-based thermal resistance for performance optimization of spiral-wound heat exchanger[J]. International Journal of Heat and Mass Transfer, 2018, 116: 743-750. |
22 | Zeng M, Zhang G P, Li Y, et al. Geometrical parametric analysis of flow and heat transfer in the shell side of a spiral-wound heat exchanger[J]. Heat Transfer Engineering, 2015, 36(9): 790-805. |
23 | Lu X, Zhang G P, Chen Y T, et al. Effect of geometrical parameters on flow and heat transfer performances in multi-stream spiral-wound heat exchangers[J]. Applied Thermal Engineering, 2015, 89: 1104-1116. |
24 | Wang G H, Wang D B, Peng X, et al. Experimental and numerical study on heat transfer and flow characteristics in the shell side of helically coiled trilobal tube heat exchanger[J]. Applied Thermal Engineering, 2019, 149: 772-787. |
25 | 吴增发, 徐宏, 徐鹏. 缠绕管式换热器壳程参数的流动换热数值研究[J]. 化学工程, 2019, 47(9): 12-17. |
Wu Z F, Xu H, Xu P. Numerical studies on geometric parametric analysis of helical-wound tube heat exchangers[J]. Chemical Engineering (China), 2019, 47(9): 12-17. | |
26 | 徐启, 刘家森, 李书金, 等. 缠绕管式换热器流体流动换热性能分析[J]. 能源研究与管理, 2022, 14(4): 122-128. |
Xu Q, Liu J S, Li S J, et al. Analysis of fluid flow heat transfer performance of wound tube heat exchangers[J]. Energy Research and Management, 2022, 14(4): 122-128. | |
27 | Yang Z, Peng X F, Ye P. Numerical and experimental investigation of two phase flow during boiling in a coiled tube[J]. International Journal of Heat and Mass Transfer, 2008, 51(5/6): 1003-1016. |
28 | Kharat R, Bhardwaj N, Jha R S. Development of heat transfer coefficient correlation for concentric helical coil heat exchanger[J]. International Journal of Thermal Sciences, 2009, 48(12): 2300-2308. |
29 | Lee W H. A pressure iteration scheme for two-phase flow modeling[M]//Multiphase Transport Fundamentals, Reactor Safety, Applications. Washington D C, USA: Hemisphere Publishing, 1980: 407-431. |
30 | Xie L Y, Xie Y Q, Yu J Z. Phase distributions of boiling flow in helical coils in high gravity[J]. International Journal of Heat and Mass Transfer, 2015, 80: 7-15. |
[1] | 叶展羽, 山訸, 徐震原. 用于太阳能蒸发的折纸式蒸发器性能仿真[J]. 化工学报, 2023, 74(S1): 132-140. |
[2] | 张双星, 刘舫辰, 张义飞, 杜文静. R-134a脉动热管相变蓄放热实验研究[J]. 化工学报, 2023, 74(S1): 165-171. |
[3] | 张义飞, 刘舫辰, 张双星, 杜文静. 超临界二氧化碳用印刷电路板式换热器性能分析[J]. 化工学报, 2023, 74(S1): 183-190. |
[4] | 陈爱强, 代艳奇, 刘悦, 刘斌, 吴翰铭. 基板温度对HFE7100液滴蒸发过程的影响研究[J]. 化工学报, 2023, 74(S1): 191-197. |
[5] | 刘明栖, 吴延鹏. 导光管直径和长度对传热影响的模拟分析[J]. 化工学报, 2023, 74(S1): 206-212. |
[6] | 王志国, 薛孟, 董芋双, 张田震, 秦晓凯, 韩强. 基于裂隙粗糙性表征方法的地热岩体热流耦合数值模拟与分析[J]. 化工学报, 2023, 74(S1): 223-234. |
[7] | 江河, 袁俊飞, 王林, 邢谷雨. 均流腔结构对微细通道内相变流动特性影响的实验研究[J]. 化工学报, 2023, 74(S1): 235-244. |
[8] | 吴延鹏, 刘乾隆, 田东民, 陈凤君. 相变材料与热管耦合的电子器件热管理研究进展[J]. 化工学报, 2023, 74(S1): 25-31. |
[9] | 宋嘉豪, 王文. 斯特林发动机与高温热管耦合运行特性研究[J]. 化工学报, 2023, 74(S1): 287-294. |
[10] | 张思雨, 殷勇高, 贾鹏琦, 叶威. 双U型地埋管群跨季节蓄热特性研究[J]. 化工学报, 2023, 74(S1): 295-301. |
[11] | 晁京伟, 许嘉兴, 李廷贤. 基于无管束蒸发换热强化策略的吸附热池的供热性能研究[J]. 化工学报, 2023, 74(S1): 302-310. |
[12] | 程成, 段钟弟, 孙浩然, 胡海涛, 薛鸿祥. 表面微结构对析晶沉积特性影响的格子Boltzmann模拟[J]. 化工学报, 2023, 74(S1): 74-86. |
[13] | 李艺彤, 郭航, 陈浩, 叶芳. 催化剂非均匀分布的质子交换膜燃料电池操作条件研究[J]. 化工学报, 2023, 74(9): 3831-3840. |
[14] | 王玉兵, 李杰, 詹宏波, 朱光亚, 张大林. R134a在菱形离散肋微小通道内的流动沸腾换热实验研究[J]. 化工学报, 2023, 74(9): 3797-3806. |
[15] | 李科, 文键, 忻碧平. 耦合蒸气冷却屏的真空多层绝热结构对液氢储罐自增压过程的影响机制研究[J]. 化工学报, 2023, 74(9): 3786-3796. |
阅读次数 | ||||||
全文 |
|
|||||
摘要 |
|
|||||