The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
yong qi ya ji ce ding tong feng zu li de ji zhong fang fa
Author(s): 
Pages: 21-22+20
Year: Issue:  6
Journal: Safety in Coal Mines

Keyword:  气压计通风阻力测定方法静压差阻力测定巷道干扰误差干扰因素读数示值;
Abstract: <正> 用气压计测定阻力的实质是:利用气压计读数测算巷道的静压差 h_s。静压差 h_s和位压差 h_z、速压差 h_v 构成巷道的通风阻力 h_r。在巷道静压差 h_s 的测算中,因多种干扰因素的影响,气压计示值极不稳定,误差较大,如果测定方法选择得当,可以大大提高测定精度,减小干扰误差,并能给测定工作带来方便。为进一步做好阻力测定工作,完善测定方法,现介绍目前常用的两大类的五种测定方法。
Related Articles
No related articles found