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收稿日期:
2024-04-26
修回日期:
2024-05-27
出版日期:
2024-06-26
通讯作者:
刘世杰
作者简介:
尹应德(1978—),男,博士,副研究员,yinyingde@guet.edu.cn
基金资助:
Ying'de YIN1(), Ya'shan NONG1, Yuan'yu LI1, Shi'jie LIU2(
)
Received:
2024-04-26
Revised:
2024-05-27
Online:
2024-06-26
Contact:
Shi'jie LIU
摘要:
开发一种新型扭曲管同轴套管换热器,对其传热和流动特性进行实验测试,并拟合管程及壳程的Nusselt数(
中图分类号:
尹应德, 农雅善, 李远羽, 刘世杰. 扭曲管同轴套管换热器强化传热和流阻特性[J]. 化工学报, DOI: 10.11949/0438-1157.20240459.
Ying'de YIN, Ya'shan NONG, Yuan'yu LI, Shi'jie LIU. Enhanced heat transfer and flow resistance characteristics of twisted tube double-pipe heat exchangers[J]. CIESC Journal, DOI: 10.11949/0438-1157.20240459.
长轴A/mm | 短轴B/mm | 扭矩S/mm | |
---|---|---|---|
型号 | 22.86 | 14.82 | 200 |
表1 扭曲管几何参数
Table 1 Twisted tube geometric parameters
长轴A/mm | 短轴B/mm | 扭矩S/mm | |
---|---|---|---|
型号 | 22.86 | 14.82 | 200 |
名称 | 规格/型号 | 数量 |
---|---|---|
变频离心泵 | 25WBS 2-8-0.25 | 2 |
水箱 | 0.8 m*0.8 m*0.7 m | 2 |
半导体制冷片 | DC12 V,30 A,制冷功率 288 W | 3 |
电加热棒 | 304不锈钢,其中 220 V,2 KW一台;380 V,5 KW一台, 380 V,6 KW两台 | 4 |
测温球阀 | DN32 | 4 |
闸阀 | De32 | 4 |
表2 实验装置主要部件
Table 2 The main components of the experimental device
名称 | 规格/型号 | 数量 |
---|---|---|
变频离心泵 | 25WBS 2-8-0.25 | 2 |
水箱 | 0.8 m*0.8 m*0.7 m | 2 |
半导体制冷片 | DC12 V,30 A,制冷功率 288 W | 3 |
电加热棒 | 304不锈钢,其中 220 V,2 KW一台;380 V,5 KW一台, 380 V,6 KW两台 | 4 |
测温球阀 | DN32 | 4 |
闸阀 | De32 | 4 |
名称 | 型号 | 数量 | 量程 | 精度 |
---|---|---|---|---|
温度传感器 | PT100 | 4 | 0~100℃ | ±0.1℃ |
压差传感器 | CYYZ3051-X-3-B3 | 2 | 0~20 kPa | ±2% |
超声波流量计 | DN32 | 2 | 0-12 m3/h | ±1% |
超声波能量计 | HU32 | 2 | 0.06-12 m3/h | 2级 |
表3 实验测量仪器及精度
Table 3 Experimental measuring instruments and accuracy
名称 | 型号 | 数量 | 量程 | 精度 |
---|---|---|---|---|
温度传感器 | PT100 | 4 | 0~100℃ | ±0.1℃ |
压差传感器 | CYYZ3051-X-3-B3 | 2 | 0~20 kPa | ±2% |
超声波流量计 | DN32 | 2 | 0-12 m3/h | ±1% |
超声波能量计 | HU32 | 2 | 0.06-12 m3/h | 2级 |
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