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自洁式餐饮油烟颗粒物浓度测量管段设计及影响因素分析

秦金为 周骛 蔡小舒 汪文涛

秦金为, 周骛, 蔡小舒, 汪文涛. 自洁式餐饮油烟颗粒物浓度测量管段设计及影响因素分析[J]. 环境工程技术学报, 2020, 10(2): 183-191. doi: 10.12153/j.issn.1674-991X.20190107
引用本文: 秦金为, 周骛, 蔡小舒, 汪文涛. 自洁式餐饮油烟颗粒物浓度测量管段设计及影响因素分析[J]. 环境工程技术学报, 2020, 10(2): 183-191. doi: 10.12153/j.issn.1674-991X.20190107
QIN Jinwei, ZHOU Wu, CAI Xiaoshu, WANG Wentao. Design of self-cleaning pipe segment for concentration measurement of cooking fume particulate matter and analysis of influencing factors[J]. Journal of Environmental Engineering Technology, 2020, 10(2): 183-191. doi: 10.12153/j.issn.1674-991X.20190107
Citation: QIN Jinwei, ZHOU Wu, CAI Xiaoshu, WANG Wentao. Design of self-cleaning pipe segment for concentration measurement of cooking fume particulate matter and analysis of influencing factors[J]. Journal of Environmental Engineering Technology, 2020, 10(2): 183-191. doi: 10.12153/j.issn.1674-991X.20190107

自洁式餐饮油烟颗粒物浓度测量管段设计及影响因素分析

doi: 10.12153/j.issn.1674-991X.20190107
详细信息
    作者简介:

    秦金为(1994—),男,硕士研究生,主要研究方向为油烟颗粒物浓度在线监测,qinjinwei_hwj@163.com。

    通讯作者:

    周骛 E-mail: zhouwu@usst.edu.cn

  • 中图分类号: X701

Design of self-cleaning pipe segment for concentration measurement of cooking fume particulate matter and analysis of influencing factors

More Information
    Corresponding author: Wu ZHOU E-mail: zhouwu@usst.edu.cn
  • 摘要: 针对光散射法餐饮油烟颗粒物浓度在线测量,考虑到测量中系统易受油烟污染的问题,以截面尺寸450 mm×400 mm的矩形油烟管段为例,设计了自洁式餐饮油烟颗粒物浓度测量管段,利用文丘里效应引射洁净空气以保护光学元件。采用流体力学(CFD)方法比较分析线性、维式、双三次曲线和五次曲线4种型面测量管段的压力分布特征和喉部压力水平,发现相同工况下维式型面测量管段压力损失最小,比线性和五次曲线型面测量管段分别降低41%和35%。基于维式型面搭建试验测量系统,利用不同工况下的喉部压力试验数据进行仿真模型的验证,比较测量区域苯浓度的实测值和模拟值。结果表明:测量元件附近压力实测值和模拟值误差在20%以内;最低设计流量下,喉部负压满足要求;最佳测量位置为距离两侧壁面20 mm之间的主流区域。

     

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出版历程
  • 收稿日期:  2019-06-19
  • 刊出日期:  2020-03-20

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