| 大圆筒天然气加热炉流场研究及传热面优化 |
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| 引用本文： | 严平,曹伟武,钱尚源,郭韵,于彩霞.大圆筒天然气加热炉流场研究及传热面优化[J].天然气工业,2010,30(2):119-122. |
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| 作者姓名： | 严平 曹伟武 钱尚源 郭韵 于彩霞 |
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| 作者单位： | 1.上海工程技术大学；2.上海理工大学 |
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| 基金项目： | 上海市科委科技攻关项目(编号:072112015); 上海市重点学科建设项目(编号:P1401) |
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| 摘 要： | 在天然气运输和应用过程中，天然气加热炉的使用面大量广，提高天然气加热炉的热效率，降低其能耗，显得尤为重要。为此，对大圆筒天然气加热炉内加热元件偏心布置时的流场进行了研究，引入双极坐标系将不规则的偏心圆区域转化成规则的矩形区域，为数值计算创造了良好的算法环境。通过数值计算，得到了大圆筒内加热元件偏心布置时的温度分布和速度矢量分布，并设计了可视化流场实验装置，通过实验研究验证了数值计算结果，在此基础上，优化了大圆筒内火筒、烟管、被加热管束的相对位置，提高了加热炉的热效率，降低了能耗，节省了钢耗量和初投资，具有较好的节能降耗效果。
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| 关 键 词： | 大圆筒天然气加热炉 流场 温度 速度矢量 传热面 优化 双极坐标系 |
Research of flow field in large cylinder natural gas heating furnace and optimized arrangement of heat exchanging areas |
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| Yan Ping
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Cao Weiwu
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Qian Shangyuan
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Guo Yun
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Yu Caixia.Research of flow field in large cylinder natural gas heating furnace and optimized arrangement of heat exchanging areas[J].Natural Gas Industry,2010,30(2):119-122. |
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| Authors: | Yan Ping Cao Weiwu Qian Shangyuan Guo Yun Yu Caixia |
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| Affiliation: | 1.Shanghai University of Engineering Science, Shanghai 201620, China； 2.University of Shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | During the process of transportation and utilization of natural gas,a great number of natural gas heating furnaces have been widely used,so it is very important to improve their thermal efficiency and reduce energy consumption.Therefore,a study was carried out on the flow field in the off-center arrangement of heating elements in a large cylinder natural gas heating furnace,and a bipolar coordinate was introduced to change the irregular eccentric area into the regular rectangular one,providing a good condit... |
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| Keywords: | large cylinder natural gas heating furnace flow field temperature velocity vector heat exchanging areas optimization bipolar coordinate |
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