| 高压加热器传递分析 |
| |
| 引用本文： | 张明智,魏博,任敬科.高压加热器传递分析[J].发电设备,2010,24(1):37-40. |
| |
| 作者姓名： | 张明智 魏博 任敬科 |
| |
| 作者单位： | 华北电力大学,电站设备状态检测与控制教育部重点实验室,保定,071003 |
| |
| 摘 要： | 基于热力学第一、第二定律和非平衡热力学理论,从传递的观点出发,对高压加热器稳定运行工况下的换热过程进行了研究;推导出流动状态下的传递方程,得到局部传系数和平均传系数计算公式,并计算出加热器各段在运行时的传量,验证了凝结段为加热器换热的主要单元,还可对加热器传效果进行有效评价。
|
| 关 键 词： | 高压加热器 传递 传系数 结构优化 |
Analysis of Exergy Transmission in HP Heater |
| |
| ZHANG Ming-zhi,WEI Bo,REN Jing-ke.Analysis of Exergy Transmission in HP Heater[J].Power Equipment,2010,24(1):37-40. |
| |
| Authors: | ZHANG Ming-zhi WEI Bo REN Jing-ke |
| |
| Affiliation: | Key Laboratory of State Testing and Control of Education Ministry;North China ElectricPower University;Baoding 071003;China |
| |
| Abstract: | Based on the first,second law of thermodynamics and the theory of non-equilibrium thermodynamics,from the viewpoint of exergy transmission,the heat exchanging process on steady operation condition for HP heater is researched.The equation of exergy transmission on flow station is derived,the calculation of local and average factor of exergy transmission is given and the exergy transmission quantity during operating the each stage of heater is calculated.The main unit of heat exchanging in the condensing stag... |
| |
| Keywords: | HP heater exergy transmission factor of exergy transmission optimization of structure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
