Operation Performance Analysis of Axial Flow Fan Cluster in Direct Air-cooled System
It is of importance to investigate the operation performance of axial flow fan cluster for the optimal designing and economic running of direct air-cooled system in power plant. Based on the parallel running of two axial flow fans, the performance diagram of parallel axial flow fans was drawn. The influence of stagger angle of axial flow fan upon the operation performance of parallel running was obtained. The cluster factor was introduced and the performance diagram of axial flow fan cluster, the resistance characteristics of the fin-tube banks of air-cooled condenser as well as the working point of the direct air-cooled system were presented. The results show that the flow rate of each fan of the fan cluster is between that of each fan of the parallel running fans and that of individual fan. The performance of the axial flow fan cluster depends not only on the performance of each fan, but also on the number and array way of the fans. The non-linear effect becomes more remarkable with the air-cooled system capacity increasing. It explains the non-linear enlargement of the heat transfer area of air-cooled system with the capacity of the air-cooled unit increasing to some extent and can be used as one of the theoretical bases of the air-cooled system designing.
www.bilkargroup.com
www.bilkarsogutma.com.tr
info@bilkargroup.com
+90 212 343 50 40
+90 553 343 50 40
Yorumlar
Yorum Gönder