激光衍射、PDA和摄影测量在气溶胶测量中的比较

MATEC Web of Conferences Pub Date : 2023-01-01 DOI:10.1051/matecconf/202338300011

Adam Huněk, Ondřej Bartoš

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引用次数: 0

摘要

光学方法被确立为气溶胶尺寸测量的标准工具。本文的目的是比较两种基于相位多普勒测风(PDA)和激光衍射(LD)的商用光学仪器与室内光学摄影测量方法的测量结果。为此，利用MATLAB脚本开发了一个新的内部图像处理程序。在多个校准颗粒样品上测试了该方法的准确性，与PDA和LD商用仪器有充分的一致性。然后，用这三种方法对两相喷嘴的水滴分布进行了评价。喷嘴中液滴尺寸分布的详细信息将用于开发研究非均相液滴成核的新设备。此外，这些结果对于确定这些方法在更广泛的气溶胶技术领域中的应用的优缺点是有用的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Comparison of Laser Diffraction, PDA and Photogrammetry for Aerosol Measurement

Optical methods are established as a standard tool for aerosol size measurement. The aim of this paper is to compare the results of two commercial optical instruments based on the phase-Doppler anemometry (PDA) and laser diffraction (LD) with the inhouse optical photogrammetric measurement method. For the purpose of this measurement, a new inhouse image processing procedure was developed with the use of MATLAB script. The accuracy of this method was tested on several calibration particle samples with a sufficient agreement with the PDA and LD commercial instruments. Subsequently, the water droplet distributions of a two-phase nozzle were evaluated by all three methods. The knowledge of the detailed droplet size distribution of the nozzle is then to be used for the development of a new facility for the study of heterogeneous droplet nucleation. Moreover, these results are useful for determining the advantages and disadvantages of these methods for their application in the wider field of aerosol technology.

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来源期刊

MATEC Web of Conferences

自引率

0.00%

发文量

342

审稿时长

6 weeks

期刊介绍： MATEC Web of Conferences is an Open Access publication series dedicated to archiving conference proceedings dealing with all fundamental and applied research aspects related to Materials science, Engineering and Chemistry. All engineering disciplines are covered by the aims and scope of the journal: civil, naval, mechanical, chemical, and electrical engineering as well as nanotechnology and metrology. The journal concerns also all materials in regard to their physical-chemical characterization, implementation, resistance in their environment… Other subdisciples of chemistry, such as analytical chemistry, petrochemistry, organic chemistry…, and even pharmacology, are also welcome. MATEC Web of Conferences offers a wide range of services from the organization of the submission of conference proceedings to the worldwide dissemination of the conference papers. It provides an efficient archiving solution, ensuring maximum exposure and wide indexing of scientific conference proceedings. Proceedings are published under the scientific responsibility of the conference editors.