【摘要】 本文将管道接头漏风视为孔口流,建立了漏风管数学模型,得到漏风量与静压、漏缝尺寸、管段水力特性等因素间的关系,提出“综合漏风参数”x作为设计与管理长隧道管道式通风的控制因子。更多还原

【Abstract】 This paper proposes a mathematic model of joint leakage pipe flow, the leakage is considered as an orifieeflow, The relationshap between the air leakage to the pressure drop, the dimension of joint sean and the hy-draulic characteristic of pipe sections is obtained from this model. The composite leakagparameter x can beused as a control factor for design and manage the air pipe ventilatoin of long tunnel construction.更多还原