摘要
螺旋隔板换热器主要包括两种不同类型的结构形式,即没有中心管的非整体连续的螺旋隔板换热器和有中心管的整体连续的螺旋隔板换热器。总结了国内外学者对螺旋隔板换热器所做的主要研究工作,包括壳程流体的动力学研究、传热与压降性能研究和数值模拟,并介绍了整体连续型螺旋隔板强化管换热器在工业中的应用。最后,对螺旋隔板换热器的下一步研究工作进行了展望。
The helically baffled heat exchanger mainly includes two kinds of different geometry designs. The first is that helical baffles are not integrally continuous and a central tube is not placed in the exchanger, the second is that helical baffles are integrally continuous and a central tube is placed in the exchanger. The research works concerning hydrodynamic studies, heat transfer and pressure drop testes and numerical simulations in the shell side of helically baffled heat exchanger are reviewed, and the application on the helically baffled heat exchangers combined with different enhanced tubes are presented. Eventually, the expected aspects of further investigations on helically baffled heat exchanger are put forward.
出处
《机电工程技术》
2008年第7期52-53,125,共3页
Mechanical & Electrical Engineering Technology
关键词
壳管式换热器
螺旋隔板
传热强化
shell-and-tube heat exchanger
helical baffles
heat enhancement
