CIESC Journal ›› 2019, Vol. 70 ›› Issue (7): 2456-2471.DOI: 10.11949/0438-1157.20181534
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
Xinghui GAO(),Guoyan ZHOU(),Shandong TU
Received:
2019-01-02
Revised:
2019-04-12
Online:
2019-07-05
Published:
2019-07-05
Contact:
Guoyan ZHOU
通讯作者:
周帼彦
作者简介:
高兴辉(1993—),男,硕士研究生,<email>961277609@qq.com</email>
CLC Number:
Xinghui GAO, Guoyan ZHOU, Shandong TU. Study on effects of structural parameters on shell-side heat transfer enhancement in spiral wound heat exchangers[J]. CIESC Journal, 2019, 70(7): 2456-2471.
高兴辉, 周帼彦, 涂善东. 缠绕管式换热器壳程强化传热性能影响因素分析[J]. 化工学报, 2019, 70(7): 2456-2471.
Structural parameter | Numerical value/mm |
---|---|
shell length H | 400 |
shell diameter Ds | 150 |
central cylinder diameter Dc | 60 |
heat exchange height h | 270 |
winding tube diameter d | 6—15 |
pitch S | 10—20 |
average winding diameter D | 99—111 |
Table 1 Main structure parameters of spiral wound heat exchanger
Structural parameter | Numerical value/mm |
---|---|
shell length H | 400 |
shell diameter Ds | 150 |
central cylinder diameter Dc | 60 |
heat exchange height h | 270 |
winding tube diameter d | 6—15 |
pitch S | 10—20 |
average winding diameter D | 99—111 |
Structural parameter | Numerical value |
---|---|
shell length/mm | 606 |
shell diameter/mm | 159 |
central cylinder diameter/mm | 68 |
winding tube diameter/mm | 12 |
winding angle/(°) | 20 |
inner winding diameter/mm | 92 |
outer winding diameter/mm | 126 |
Table 2 Main structure parameters of spiral wound heat exchanger prototype in Ref. [30]
Structural parameter | Numerical value |
---|---|
shell length/mm | 606 |
shell diameter/mm | 159 |
central cylinder diameter/mm | 68 |
winding tube diameter/mm | 12 |
winding angle/(°) | 20 |
inner winding diameter/mm | 92 |
outer winding diameter/mm | 126 |
Error | Output temperature To/℃ | Pressure drop ΔP/Pa | ||||
---|---|---|---|---|---|---|
Standard k-ε | RNG k-ε | Realizable k-ε | Standard k-ε | RNG k-ε | Realizable k-ε | |
maximum error | 6.80 | 6.77 | 5.31 | 17.90 | 17.20 | 17.05 |
minimum error | 5.50 | 4.93 | 4.37 | 0.72 | 0.26 | 0.86 |
average error | 6.30 | 5.96 | 5.12 | 8.52 | 8.40 | 8.29 |
Table 3 Error analysis/%
Error | Output temperature To/℃ | Pressure drop ΔP/Pa | ||||
---|---|---|---|---|---|---|
Standard k-ε | RNG k-ε | Realizable k-ε | Standard k-ε | RNG k-ε | Realizable k-ε | |
maximum error | 6.80 | 6.77 | 5.31 | 17.90 | 17.20 | 17.05 |
minimum error | 5.50 | 4.93 | 4.37 | 0.72 | 0.26 | 0.86 |
average error | 6.30 | 5.96 | 5.12 | 8.52 | 8.40 | 8.29 |
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