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【目的】了解卷烟气流特性的内在演进规律，提高卷烟质量设计与维护的数字化水平。【方法】分析卷烟物理结构的多重固定床串联属性，讨论不同类型固定床的气流特性的数字模型及其主要应用场景。【结果】(1)卷烟是封闭床、直漏床和渗漏床的组合，“阻流”是建立通风流量与沿程流量关联的中介参数；(2)流量配比（m）是影响卷烟气流分配的直接参数，并间接影响压降的沿程分布，是渗漏床流配指数（e-m,记作“Ψ”）的核心；(3)渗漏床（裸烟区）是卷烟气流特性（沿程气流量、渗漏流量、沿程压降、段压差）数字化表征的关键，具有沿程二阶递归的演进规律（斐波那契数列），气流特性的分布与黄金比（≈0.618，记作“Ф”）有关；(4)基于直漏床流量配比（m）、渗漏床流配指数（Ψ）的构建，搭建了以17个条件参数为支撑的卷烟气流特性数字化通用表征模型。【结论】可在设计变更、质量维护和市场评估等应用场景中实现基于计算机处理系统的卷烟气流特性的系统性分析、定量化预测和即时性呈现。
Abstract：[Objective] This study aims to master the internal law of cigarette airflow characteristics and improve the digitization level of cigarette quality design and maintenance. [Methods] By analyzing the serial attributes of the multiple fixed beds in the physical structure of cigarettes, the digital models of airflow characteristics in different types of fixed beds and their main application scenarios were discussed.[Results] 1) Cigarettes are a combination of closed beds, direct leakage beds, and seepage beds, with “flow resistance” acting as the intermediary parameter establishing the correlation between ventilation flow and flow along the path; 2) Flow ratio(m) is the direct parameter affecting the distribution of cigarette airflow and indirectly influences the distribution of pressure drop along the path. It is the core of the seepage bed flow index(e-m, denoted as "Ψ"); 3) The seepage bed(bare tobacco area) is the key to the digital characterization of cigarette airflow characteristics(along-path airflow, seepage flow, along-path pressure drop, section pressure difference), featuring an evolutionary pattern of second-order recursion along the path(Fibonacci sequence). The distribution of airflow characteristics is related to the golden ratio(≈ 0.618, marked “Ф”); 4) Based on the construction of the direct leakage bed flow ratio(m) and seepage bed flow index(Ψ), a generalized digital characterization model for cigarette airflow characteristics supported by 17 condition parameters was established.[Conclusion] This model enables systematic analysis, quantitative prediction, and real-time presentation of cigarette airflow characteristics based on a computer processing system in application scenarios such as design changes, quality maintenance, and market evaluation.
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基本信息:
DOI：10.16472/j.chinatobacco.2023.T0249
中图分类号:TS452
引用信息:
[1]孙东亮,李倩,张金钢,等.卷烟气流特性通用数字化表征模型的建立及应用[J].中国烟草学报,2025,31(02):19-29.DOI:10.16472/j.chinatobacco.2023.T0249.
基金信息:
中国烟草总公司重大科技项目“卷烟通风特性模型构建及燃烧效应表征技术研究”（110202401037(SZ-11)）
2024-10-24
2024-10-24
2024-10-24