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系统平衡裕度分析方法及其应用实例

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讨论了裕度概念在科学研究、工程设计、系统运行以及日常生活中的应用情况.分析了裕度概念在各学科间的差别以及其固有的本质内涵,将裕度概念与系统概念、系统平衡概念及平衡临界性相联系,提出了系统平衡域和平衡裕度的新概念并给出了系统平衡域和平衡裕度的定义.在此基础上,提出了对系统平衡域进行分区、按照实际系统裕度值对系统安全性进行评价和监控的理论.以化学反应放热系统为例,给出了利用裕度分析方法对系统进行潜在风险评价的一般思路.
Theory of Equilibrium Margin of Systems and Its Applications
Applications of the concept of margin in science, engineering design, system operation and in daily life are discussed. Key meanings of the concept of margin are analyzed in detail. New concepts and definitions of equilibrium-domain and equilibrium margin of systems are put forward. A method of dividing the equilibrium-domain into four sub-areas, and the general way of thinking of calculating the values of equilibrium margin for complex systems is provided. A new method of risk assessment for systems—the method of safety margin analysis is established. As an example, the potential thermal explosion risks of high explosives in storage are calculated. The safety for different explosives under different conditions of storage is appraised quantitatively by means of the method.

system equilibriummarginsafety margincalculation of risk

杜志明

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北京理工大学,爆炸科学与技术国家重点实验室,北京,100081

系统平衡 裕度 安全裕度 风险评价方法

2005

北京理工大学学报
北京理工大学

北京理工大学学报

CSCD北大核心
影响因子:0.609
ISSN:1001-0645
年,卷(期):2005.25(10)
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