Defense Electromechanical
2023 年第 5 期(总刊第 173 期)2023 年 10 月 10 日出版 Editor Group of Water Field(In no particular order)
Chief Director: Song Weimin
Deputy Director:Zhao Li Qin Yongxin Chen Baoxu Liu Jie
Editorial Board:Cheng Hongwei Wang Guanjun Wang Yan
Liu Weirong Huang Xiaojia Huang Jianshe Guan Xingwang
Ren Xiangdong Cai Changming Zheng Changhua
Huang Xiankui Ma long He Mingqing Liu Zhijun
Wu Qiyong Du Dejian Cao lie Liu Fengnian
Gao Shenghua Chen Yinghua
Chief Editor:Qin Yongxin
Associate Editor:Li kai Ruan Xianglin
Editor:Tan Qing Ge Xin Jia Xiaowei
Overseas consultant:Henry Hung
Edited and published: Water Field Editor Group
Address: No.8, Chegongzhuang West Road,Haidian Distict, Beijing, China
Post Code: 100037
Tel: (010)68472086
E-mail: ccbw2000@163.com
Website: //www.ccbw.com.cn
Be in charged by China Construction Metal Structure
Association
Hosted by Pluming Facilities Committee of China
Construction Metal Structure Association
Defense System Mechanical and Electrical Design
Branch of China Construction Metal Structure
Association
Provided assistance by World Plumbing Council
An implicit formula for the final limit flow rate in the smooth zone of the water film flow force in a water
holding riser based on the formula of imitating the Nikolai Ran smooth tube./ Zhang Zhili…………1
Application of Quality Control Technology and Methods for Valve Ductile Iron Castings./ Zhang Yan…10
Discussion on the selection of fire stabilizing pumps for stable high-pressure fire water supply systems
/Qi Fenru……………………………………………………………………………………14