1) four-stream plate-fin heat exchanger
四股流板翅式换热器
1.
Model algorithm and cascade control for four-stream plate-fin heat exchanger;
四股流板翅式换热器的模型算法和串级控制
2) multi stream plate fin heat exchanger
多股流板翅式换热器
1.
With a parallel multi stream plate fin heat exchanger serving as a target of study the authors have presented an energy equation for both the fluid and fins of the said heat exchanger, taking into account the bypass effect of the fins.
以平行多股流板翅式换热器为研究对象,给出了考虑翅片旁通作用的多股流板翅式换热器流体和翅片的能量方程。
3) Plate-fin heat exchanger
板翅式换热器
1.
Dynamic performance simulation of plate-fin heat exchangers in small scale MRC-LNG plant;
小型MRC天然气液化装置中板翅式换热器动态特性仿真研究
2.
Research progress of plate-fin heat exchanger in china;
板翅式换热器的研究进展
3.
Three dimensional numerical simulation on surface performance of a plate-fin heat exchanger.;
板翅式换热器翅片表面性能的三维数值模拟
4) plate-fin heat exchanger
铝板翅式换热器
1.
Experimental Investigation of surface performance of aluminum fins on plate-fin heat exchanger;
铝板翅式换热器翅片表面性能的试验研究
5) Plate Fin Heat Exchanger
板翅式换热器
1.
Efficiency study of plate fin heat exchanger with principle of field synergy;
场协同下板翅式换热器效率的研究
2.
A technical development of developing, designing and manufacturing of plate fin heat exchanger for petroleum and chemical engineering are described.
阐述石油化工板翅式换热器的开发设计和制造技术进展。
3.
The flow nonumiformity and effects of different distributior s configuration on flow distribution performance in plate fin heat exchanger was studied.
分析了不同结构导流片对板翅式换热器内部物流分配不均匀性的影响 ,通过改变导流片的内部结构 ,对其导流性能进行了研究 。
6) plate-fin heat exchangers
板翅式换热器
1.
Based on the study of the flow maldistribution in (plate-fin) heat exchanger,the effect of staggered(perforated) plate header configuration on outlet flow and heat transfer in plate-fin heat exchangers was experimentally studied.
在对板翅式换热器内部物流分配研究的基础上,研究了错排孔板型结构封头对板翅式换热器出口流动与换热的影响。
2.
This general solution can be used to analyze the dynamic response of plate-fin heat exchangers by simplifying the dynamic behavior of fins with Pingaud model.
应用Pingaud模型对板翅式换热器翅片的动态特性进行简化,从而使该通用解可用来求解多股流板翅式换热器的动态特性。
补充资料:板翅式换热器
以平板和翅片作为传热元件的换热器。它主要由板束和封头等构成(见图)。板束中有若干通道。在每层通道的两平板间放置翅片,并在两侧用封条密封。根据流体流动方式不同,冷、热流体通道间隔迭置、排列并钎焊成整体,即制成板束。两流体流动方式有逆流、错流和错逆流等。A、B流体分别由入口封头经一分配段的导流片导入各自的板束通道,再经另一分配段的导流片导至出口封头而引出,两流体呈逆流间壁换热。常用的翅片有平直、多孔、锯齿和波纹等形式。板翅式换热器的主要优点是:①效能高。因翅片对流体的扰动,使构成热阻的边界层不断更新,传热系数一般为管壳式换热器的3倍;而且在小温差(1.5~2℃)下,热(冷)量回收效果好。用于气-气换热时效果最好。②紧凑。因大部分热量是经翅片通过平板传递,设备单位体积的传热面积可达1500米2/米3。③重量轻。传热面积相同时,重量近于管壳式换热器的 1/5。④坚固。因板束为一整体件而且翅片在两平板间起支承作用,故可承受较高的工作压力。此外,还可在同一设备中实现多种流体同时换热。但板翅式换热器通道狭小、易堵塞,清洗维修较困难,制造工艺较复杂。它大多用铝合金制造,也可用铜、不锈钢和钛等。由于铝具有良好的低温性能、重量又轻,故铝制板翅式换热器特别适用于制氧、乙烯和氦液化等深低温设备,也可用于动力装置中。铝制板翅式换热器一般用于设计压力小于 6.3兆帕、设计温度为+200~-270℃的场合。中国、美国、英国和日本等都已生产板翅式换热器。板翅式换热器的发展趋势是:提高翅片精度和钎焊质量,增加品种和规格,加强对翅片性能、多股流和有相变工况下的传热机理研究等。
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